DXF \u7ec4\u7801\u5b8c\u5168\u53c2\u8003\u624b\u518c<\/span>DXF Group Codes Complete Reference Manual<\/span><\/title>\n<style>\n:root {\n --bg: #f5faf7;\n --bg2: #eef6f1;\n --ink: #1a2e23;\n --muted: #5a7a6e;\n --rule: #c0d8cc;\n --accent: #059669;\n --accent2: #0d9488;\n --code-bg: #1e2d26;\n --code-fg: #d1fae5;\n}\n\n* { box-sizing: border-box; margin: 0; padding: 0; }\n\nhtml { scroll-behavior: smooth; }\n\nbody {\n font-family: \"Microsoft YaHei\", \"PingFang SC\", system-ui, -apple-system, sans-serif;\n background: var(--bg);\n color: var(--ink);\n line-height: 1.8;\n}\n\nbody.en-active { font-family: system-ui, -apple-system, sans-serif; }\n\n\/* Language Switcher Bar *\/\n.lang-bar {\n position: sticky;\n top: 0;\n z-index: 1000;\n background: var(--accent);\n display: flex;\n justify-content: center;\n gap: 1rem;\n padding: 0.6rem 1rem;\n box-shadow: 0 2px 8px rgba(0,0,0,0.15);\n}\n\n.lang-bar button {\n background: rgba(255,255,255,0.2);\n border: 2px solid transparent;\n color: #fff;\n padding: 0.4rem 1.2rem;\n border-radius: 4px;\n cursor: pointer;\n font-size: 0.95rem;\n font-weight: 600;\n transition: all 0.2s;\n}\n\n.lang-bar button:hover {\n background: rgba(255,255,255,0.35);\n}\n\n.lang-bar button.active {\n background: #fff;\n color: var(--accent);\n border-color: #fff;\n}\n\n\/* Container *\/\n.container {\n max-width: 1100px;\n margin: 0 auto;\n padding: 0 1.5rem;\n}\n\n\/* Cover *\/\n.cover {\n text-align: center;\n padding: 4rem 1rem 3rem;\n background: var(--bg2);\n border-bottom: 1px solid var(--rule);\n}\n\n.cover h1 {\n font-size: 2.2rem;\n color: var(--ink);\n margin-bottom: 0.8rem;\n font-weight: 700;\n}\n\n.cover .subtitle {\n font-size: 1.3rem;\n color: var(--accent);\n font-weight: 600;\n margin-bottom: 0.6rem;\n}\n\n.cover .desc {\n font-size: 1rem;\n color: var(--muted);\n}\n\n\/* Search box *\/\n.search-box {\n max-width: 400px;\n margin: 1.5rem auto 0;\n}\n\n.search-box input {\n width: 100%;\n padding: 0.6rem 1rem;\n border: 2px solid var(--rule);\n border-radius: 6px;\n font-size: 1rem;\n font-family: inherit;\n outline: none;\n transition: border-color 0.2s;\n}\n\n.search-box input:focus {\n border-color: var(--accent);\n}\n\n\/* TOC *\/\n.toc {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n padding: 1.5rem 2rem;\n margin: 2rem 0;\n}\n\n.toc h2 {\n font-size: 1.3rem;\n margin-bottom: 1rem;\n color: var(--accent);\n}\n\n.toc ol, .toc ul {\n padding-left: 1.5rem;\n}\n\n.toc li {\n margin: 0.4rem 0;\n}\n\n.toc a {\n color: var(--ink);\n text-decoration: none;\n transition: color 0.2s;\n}\n\n.toc a:hover {\n color: var(--accent);\n text-decoration: underline;\n}\n\n\/* Stats bar *\/\n.stats-bar {\n display: flex;\n gap: 1.5rem;\n margin: 2rem 0;\n flex-wrap: wrap;\n justify-content: center;\n}\n\n.stat-card {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n padding: 1rem 1.4rem;\n text-align: center;\n min-width: 120px;\n flex: 1;\n max-width: 160px;\n}\n\n.stat-num {\n font-size: 1.8rem;\n font-weight: 700;\n color: var(--accent);\n}\n\n.stat-label {\n font-size: 0.85rem;\n color: var(--muted);\n}\n\n\/* Sections *\/\nsection {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n padding: 2rem 2.5rem;\n margin: 2rem 0;\n}\n\nsection h2 {\n font-size: 1.6rem;\n color: var(--accent);\n margin-bottom: 1.2rem;\n padding-bottom: 0.5rem;\n border-bottom: 2px solid var(--rule);\n}\n\nsection h3 {\n font-size: 1.25rem;\n color: var(--accent2);\n margin: 1.5rem 0 0.8rem;\n}\n\nsection p {\n margin-bottom: 0.9rem;\n text-align: justify;\n}\n\n\/* Tables *\/\ntable {\n width: 100%;\n border-collapse: collapse;\n margin: 1.2rem 0;\n font-size: 0.95rem;\n}\n\nth, td {\n border: 1px solid var(--rule);\n padding: 0.7rem 0.9rem;\n text-align: left;\n}\n\nth {\n background: var(--bg2);\n font-weight: 600;\n color: var(--ink);\n}\n\ntr:nth-child(even) { background: var(--bg); }\n\n\/* Code *\/\npre {\n background: var(--code-bg);\n color: var(--code-fg);\n padding: 1.2rem 1.5rem;\n border-radius: 6px;\n overflow-x: auto;\n font-family: Consolas, \"Courier New\", monospace;\n font-size: 0.9rem;\n line-height: 1.6;\n margin: 1rem 0;\n}\n\ncode {\n font-family: Consolas, \"Courier New\", monospace;\n background: rgba(5,150,105,0.1);\n padding: 0.15rem 0.4rem;\n border-radius: 3px;\n font-size: 0.9em;\n color: var(--accent);\n}\n\npre code {\n background: transparent;\n padding: 0;\n color: inherit;\n}\n\n\/* Group code highlight *\/\n.gc {\n font-family: Consolas, \"Courier New\", monospace;\n font-weight: 700;\n color: var(--accent2);\n}\n\n\/* Type badges *\/\n.type-badge {\n display: inline-block;\n padding: 0.15em 0.5em;\n border-radius: 4px;\n font-size: 0.72rem;\n font-weight: 600;\n white-space: nowrap;\n}\n\n.type-str { background: #d1fae5; color: #065f46; }\n.type-float { background: #e0e7ff; color: #3730a3; }\n.type-int { background: #fef3c7; color: #92400e; }\n.type-bool { background: #dbeafe; color: #1e40af; }\n.type-handle { background: #fef9c3; color: #854d0e; }\n.type-binary { background: #fce7f3; color: #9d174d; }\n.type-special { background: #f3f4f6; color: #4b5563; }\n\n\/* Filter chips *\/\n.filter-bar {\n display: flex;\n gap: 0.5rem;\n margin-bottom: 1rem;\n flex-wrap: wrap;\n}\n\n.filter-chip {\n padding: 0.3rem 0.8rem;\n font-size: 0.85rem;\n font-weight: 600;\n border: 1px solid var(--rule);\n border-radius: 20px;\n background: transparent;\n color: var(--muted);\n cursor: pointer;\n transition: all 0.15s;\n font-family: inherit;\n}\n\n.filter-chip:hover { border-color: var(--accent); color: var(--ink); }\n\n.filter-chip.active {\n background: var(--accent);\n color: #fff;\n border-color: var(--accent);\n}\n\n\/* Entity cards grid *\/\n.entity-grid {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));\n gap: 1.2rem;\n margin-top: 1.5rem;\n}\n\n.entity-card {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n overflow: hidden;\n transition: border-color 0.2s, box-shadow 0.2s;\n}\n\n.entity-card:hover {\n border-color: var(--accent);\n box-shadow: 0 4px 12px rgba(5,150,105,0.1);\n}\n\n.entity-card-header {\n padding: 0.8rem 1.2rem;\n background: var(--bg2);\n border-bottom: 1px solid var(--rule);\n display: flex;\n align-items: center;\n gap: 0.6rem;\n}\n\n.entity-card-header .entity-name {\n font-family: Consolas, \"Courier New\", monospace;\n font-weight: 700;\n font-size: 0.95rem;\n color: var(--accent);\n}\n\n.entity-card-header .entity-name-cn {\n font-size: 0.82rem;\n color: var(--muted);\n}\n\n.entity-card table {\n font-size: 0.85rem;\n margin: 0;\n}\n\n.entity-card th, .entity-card td {\n padding: 0.5rem 0.7rem;\n}\n\n\/* Tip box *\/\n.tip-box {\n background: #ecfdf5;\n border-left: 4px solid var(--accent);\n padding: 1rem 1.2rem;\n margin: 1.2rem 0;\n border-radius: 0 6px 6px 0;\n font-size: 0.95rem;\n}\n\n.tip-box strong { color: var(--accent); }\n\n\/* No results *\/\n.no-results {\n text-align: center;\n padding: 2rem 1rem;\n color: var(--muted);\n font-size: 0.95rem;\n display: none;\n}\n\n\/* Footnotes *\/\n.footnotes {\n font-size: 0.85rem;\n color: var(--muted);\n border-top: 1px solid var(--rule);\n margin-top: 2rem;\n padding-top: 1rem;\n text-align: center;\n}\n\n\/* Table wrap for scrolling *\/\n.table-wrap {\n overflow-x: auto;\n margin-bottom: 1rem;\n}\n\n\/* Section icon *\/\n.section-icon {\n width: 32px;\n height: 32px;\n border-radius: 8px;\n background: var(--bg2);\n display: inline-flex;\n align-items: center;\n justify-content: center;\n font-size: 1rem;\n margin-right: 0.6rem;\n vertical-align: middle;\n}\n\n\/* Responsive *\/\n@media (max-width: 768px) {\n .cover h1 { font-size: 1.5rem; }\n .cover .subtitle { font-size: 1.05rem; }\n section { padding: 1.2rem 1rem; }\n section h2 { font-size: 1.3rem; }\n .entity-grid { grid-template-columns: 1fr; }\n table { font-size: 0.85rem; }\n th, td { padding: 0.5rem; }\n}\n\n\/* Language display control *\/\n[data-lang=\"en\"] { display: none; }\nhtml[lang=\"en\"] [data-lang=\"zh\"] { display: none; }\nhtml[lang=\"en\"] [data-lang=\"en\"] { display: inline; }\n\n\/* For block elements *\/\nh2 [data-lang=\"en\"], h3 [data-lang=\"en\"], p [data-lang=\"en\"], li [data-lang=\"en\"], th [data-lang=\"en\"], td [data-lang=\"en\"], div [data-lang=\"en\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] h2 [data-lang=\"zh\"], html[lang=\"en\"] h3 [data-lang=\"zh\"], html[lang=\"en\"] p [data-lang=\"zh\"], html[lang=\"en\"] li [data-lang=\"zh\"], html[lang=\"en\"] th [data-lang=\"zh\"], html[lang=\"en\"] td [data-lang=\"zh\"], html[lang=\"en\"] div [data-lang=\"zh\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] h2 [data-lang=\"en\"], html[lang=\"en\"] h3 [data-lang=\"en\"], html[lang=\"en\"] p [data-lang=\"en\"], html[lang=\"en\"] li [data-lang=\"en\"], html[lang=\"en\"] th [data-lang=\"en\"], html[lang=\"en\"] td [data-lang=\"en\"], html[lang=\"en\"] div [data-lang=\"en\"] {\n display: inline;\n}\n\n\/* Inline fix for block-level multilingual wrappers *\/\n.toc h2 span, .cover h1 span, .cover .subtitle span, .cover .desc span, section h2 span, section h3 span, .code-label span, .entity-name-cn span, .stat-label span {\n display: inline;\n}\n\nhtml[lang=\"en\"] .toc h2 [data-lang=\"zh\"], html[lang=\"en\"] .cover h1 [data-lang=\"zh\"], html[lang=\"en\"] .cover .subtitle [data-lang=\"zh\"], html[lang=\"en\"] .cover .desc [data-lang=\"zh\"], html[lang=\"en\"] section h2 [data-lang=\"zh\"], html[lang=\"en\"] section h3 [data-lang=\"zh\"], html[lang=\"en\"] .code-label [data-lang=\"zh\"], html[lang=\"en\"] .entity-name-cn [data-lang=\"zh\"], html[lang=\"en\"] .stat-label [data-lang=\"zh\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] .toc h2 [data-lang=\"en\"], html[lang=\"en\"] .cover h1 [data-lang=\"en\"], html[lang=\"en\"] .cover .subtitle [data-lang=\"en\"], html[lang=\"en\"] .cover .desc [data-lang=\"en\"], html[lang=\"en\"] section h2 [data-lang=\"en\"], html[lang=\"en\"] section h3 [data-lang=\"en\"], html[lang=\"en\"] .code-label [data-lang=\"en\"], html[lang=\"en\"] .entity-name-cn [data-lang=\"en\"], html[lang=\"en\"] .stat-label [data-lang=\"en\"] {\n display: inline;\n}\n<\/style>\n<\/head>\n<body>\n\n\n<div class=\"lang-bar\">\n <button id=\"btn-zh\" class=\"active\" onclick=\"switchLanguage('zh')\">\n \u4e2d\u6587<\/span>Chinese<\/span>\n <\/button>\n <button id=\"btn-en\" onclick=\"switchLanguage('en')\">\n English<\/span>English<\/span>\n <\/button>\n<\/div>\n\n<div class=\"container\">\n\n\n<div class=\"cover\">\n <h1>DXF \u7ec4\u7801\u5b8c\u5168\u53c2\u8003\u624b\u518c<\/span>DXF Group Codes Complete Reference Manual<\/span><\/h1>\n <div class=\"subtitle\">DXF Reference<\/div>\n <div class=\"desc\">\u6db5\u76d6 AutoCAD DXF \u6587\u4ef6\u683c\u5f0f\u7684\u6240\u6709\u7ec4\u7801\u5b9a\u4e49\u3001\u6570\u636e\u7c7b\u578b\u3001\u5b9e\u4f53\u7f16\u7801\u89c4\u5219\u4e0e\u5206\u7c7b\u8be6\u89e3<\/span>Comprehensive reference covering all group code definitions, data types, entity encoding rules, and classifications for AutoCAD DXF files<\/span><\/div>\n <div class=\"search-box\">\n <input type=\"text\" id=\"searchInput\" placeholder=\"\u641c\u7d22\u7ec4\u7801\u6216\u5173\u952e\u8bcd...\" data-placeholder-zh=\"\u641c\u7d22\u7ec4\u7801\u6216\u5173\u952e\u8bcd...\" data-placeholder-en=\"Search group code or keyword...\">\n <\/div>\n<\/div>\n\n\n<nav class=\"toc\">\n <h2>\u76ee\u5f55<\/span>Table of Contents<\/span><\/h2>\n <ol>\n <li><a href=\"#datatype\">\u6570\u636e\u7c7b\u578b\u603b\u8868<\/span>Data Type Summary<\/span><\/a><\/li>\n <li><a href=\"#special\">\u7279\u6b8a\/\u5185\u90e8\u7ec4\u7801<\/span>Special \/ Internal Codes<\/span><\/a><\/li>\n <li><a href=\"#common\">\u901a\u7528\u5b9e\u4f53\u7ec4\u7801 (0~99)<\/span>Common Entity Codes (0-99)<\/span><\/a><\/li>\n <li><a href=\"#subclass\">\u5b50\u7c7b\u6807\u8bb0\u4e0e\u5bf9\u8c61\u5f15\u7528 (100~399)<\/span>Subclass Markers & Object References (100-399)<\/span><\/a><\/li>\n <li><a href=\"#color\">\u989c\u8272\u4e0e\u6253\u5370\u6837\u5f0f (400~479)<\/span>Color & Plot Style (400-479)<\/span><\/a><\/li>\n <li><a href=\"#xdata\">\u6269\u5c55\u6570\u636e XDATA (1000~1071)<\/span>Extended Data XDATA (1000-1071)<\/span><\/a><\/li>\n <li><a href=\"#entities\">\u5b9e\u4f53\u7ec4\u7801\u8be6\u89e3<\/span>Entity Group Codes Detail<\/span><\/a><\/li>\n <li><a href=\"#all-entities\">\u5168\u90e8\u5b9e\u4f53\u7c7b\u578b\u5217\u8868<\/span>Complete Entity Type List<\/span><\/a><\/li>\n <li><a href=\"#section-struct\">DXF \u6587\u4ef6\u8282\u7ed3\u6784<\/span>DXF File Section Structure<\/span><\/a><\/li>\n <\/ol>\n<\/nav>\n\n\n<div class=\"stats-bar\">\n <div class=\"stat-card\">\n <div class=\"stat-num\">200+<\/div>\n <div class=\"stat-label\">\u5df2\u5b9a\u4e49\u7ec4\u7801<\/span>Defined Group Codes<\/span><\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"stat-num\">18<\/div>\n <div class=\"stat-label\">\u6570\u636e\u7c7b\u578b<\/span>Data Types<\/span><\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"stat-num\">30+<\/div>\n <div class=\"stat-label\">\u5b9e\u4f53\u7c7b\u578b<\/span>Entity Types<\/span><\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"stat-num\">6<\/div>\n <div class=\"stat-label\">DXF \u6587\u4ef6\u8282<\/span>DXF Sections<\/span><\/div>\n <\/div>\n<\/div>\n\n<section class=\"section\" id=\"datatype\">\n\n<div class=\"section-icon\">\ud83d\udcd0<\/div>\n<h2>\u6570\u636e\u7c7b\u578b\u603b\u8868<\/span>Data Type Summary<\/span><\/h2>\n\nDXF \u4e2d\u6bcf\u4e2a\u7ec4\u7801\u8303\u56f4\u5bf9\u5e94\u56fa\u5b9a\u7684\u6570\u636e\u7c7b\u578b\u3002\u4e0b\u8868\u5217\u51fa\u6240\u6709\u7ec4\u7801\u8303\u56f4\u53ca\u5176\u5bf9\u5e94\u7684\u6570\u636e\u7c7b\u578b\u3002<\/span>Each group code range in DXF maps to a fixed data type. The following table lists all ranges and their corresponding types.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u7ec4\u7801\u8303\u56f4<\/span>Code Range<\/span><\/th>\n<th>\u6570\u636e\u7c7b\u578b<\/span>Data Type<\/span><\/th>\n<th>\u8bf4\u660e<\/span>Description<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td>-5 ~ -1<\/span><\/td><td>\u7279\u6b8a<\/span><\/td><td>\u4ec5\u5728 AutoLISP\/ObjectARX \u4e2d\u4f7f\u7528<\/span>Used only in AutoLISP\/ObjectARX<\/span><\/td><\/tr>\n<tr><td>0 ~ 9<\/span><\/td><td>String<\/span><\/td><td>\u5b57\u7b26\u4e32\uff0cAutoCAD 2000 \u8d77\u4e0a\u9650 2049 \u5b57\u7b26<\/span>String, max 2049 chars since AutoCAD 2000<\/span><\/td><\/tr>\n<tr><td>10 ~ 39<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u4e09\u7ef4\u70b9\uff08X=10, Y=20, Z=30 \u7cfb\u5217\uff09<\/span>Double precision 3D point (X=10, Y=20, Z=30 series)<\/span><\/td><\/tr>\n<tr><td>40 ~ 59<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u503c\uff08\u534a\u5f84\u3001\u9ad8\u5ea6\u3001\u89d2\u5ea6\u7b49\u6807\u91cf\uff09<\/span>Double precision float (radius, height, angles, etc.)<\/span><\/td><\/tr>\n<tr><td>60 ~ 79<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570\uff08\u6807\u5fd7\u4f4d\u3001\u6a21\u5f0f\u3001\u91cd\u590d\u8ba1\u6570\uff09<\/span>16-bit integer (flags, modes, repeat counts)<\/span><\/td><\/tr>\n<tr><td>90 ~ 99<\/span><\/td><td>Int32<\/span><\/td><td>32 \u4f4d\u6574\u6570\uff08\u9876\u70b9\u6570\u3001\u5143\u7d20\u6570\u91cf\u7b49\uff09<\/span>32-bit integer (vertex counts, element counts)<\/span><\/td><\/tr>\n<tr><td>100<\/span><\/td><td>String<\/span><\/td><td>\u5b50\u7c7b\u6807\u8bb0\uff08Subclass Marker\uff09\uff0c\u5982 “AcDbCircle”<\/span>Subclass Marker, e.g. “AcDbCircle”<\/span><\/td><\/tr>\n<tr><td>102<\/span><\/td><td>String<\/span><\/td><td>\u63a7\u5236\u5b57\u7b26\u4e32 “{name}” \/ “}”<\/span>Control string “{name}” \/ “}”<\/span><\/td><\/tr>\n<tr><td>105<\/span><\/td><td>Handle<\/span><\/td><td>DIMVAR \u7b26\u53f7\u8868\u5bf9\u8c61\u53e5\u67c4<\/span>DIMVAR symbol table object handle<\/span><\/td><\/tr>\n<tr><td>110 ~ 139<\/span><\/td><td>Double<\/span><\/td><td>UCS \u539f\u70b9\/\u8f74\u65b9\u5411\u5411\u91cf\uff08X=110, Y=120, Z=130\uff09<\/span>UCS origin\/axis direction (X=110, Y=120, Z=130)<\/span><\/td><\/tr>\n<tr><td>140 ~ 149<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u6807\u91cf\u503c\uff08DIMSTYLE \u8bbe\u7f6e\u7b49\uff09<\/span>Double precision scalar (DIMSTYLE settings, etc.)<\/span><\/td><\/tr>\n<tr><td>170 ~ 179<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570\uff08DIMSTYLE \u6807\u5fd7\u4f4d\uff09<\/span>16-bit integer (DIMSTYLE flags)<\/span><\/td><\/tr>\n<tr><td>210 ~ 239<\/span><\/td><td>Double<\/span><\/td><td>\u62c9\u4f38\u65b9\u5411\u5411\u91cf\uff08X=210, Y=220, Z=230\uff09<\/span>Extrusion direction vector (X=210, Y=220, Z=230)<\/span><\/td><\/tr>\n<tr><td>270 ~ 289<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570\uff08\u6742\u9879\u6807\u5fd7\uff09<\/span>16-bit integer (miscellaneous flags)<\/span><\/td><\/tr>\n<tr><td>290 ~ 299<\/span><\/td><td>Boolean<\/span><\/td><td>\u5e03\u5c14\u6807\u5fd7\u503c\uff080=False, 1=True\uff09<\/span>Boolean flag (0=False, 1=True)<\/span><\/td><\/tr>\n<tr><td>300 ~ 309<\/span><\/td><td>String<\/span><\/td><td>\u4efb\u610f\u5b57\u7b26\u4e32<\/span>Arbitrary string<\/span><\/td><\/tr>\n<tr><td>310 ~ 319<\/span><\/td><td>Binary<\/span><\/td><td>\u4e8c\u8fdb\u5236\u6570\u636e\u5757\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff0c\u6700\u591a 127 \u5b57\u8282\uff09<\/span>Binary chunk (hex string, max 127 bytes)<\/span><\/td><\/tr>\n<tr><td>320 ~ 329<\/span><\/td><td>Handle<\/span><\/td><td>\u539f\u59cb\u53e5\u67c4\u503c\uff08INSERT\/XREF \u65f6\u4e0d\u8f6c\u6362\uff09<\/span>Raw handle (no translation on INSERT\/XREF)<\/span><\/td><\/tr>\n<tr><td>330 ~ 339<\/span><\/td><td>Soft Ptr<\/span><\/td><td>\u8f6f\u6307\u9488\u53e5\u67c4\uff08\u6307\u5411\u5176\u4ed6\u5bf9\u8c61\u7684\u5f15\u7528\uff09<\/span>Soft pointer handle (reference to other objects)<\/span><\/td><\/tr>\n<tr><td>340 ~ 349<\/span><\/td><td>Hard Ptr<\/span><\/td><td>\u786c\u6307\u9488\u53e5\u67c4\uff08\u5f3a\u5f15\u7528\uff0c\u4e0d\u53ef\u4e3a NULL\uff09<\/span>Hard pointer handle (strong reference, non-NULL)<\/span><\/td><\/tr>\n<tr><td>350 ~ 359<\/span><\/td><td>Soft Own<\/span><\/td><td>\u8f6f\u6240\u6709\u8005\u53e5\u67c4<\/span>Soft owner handle<\/span><\/td><\/tr>\n<tr><td>360 ~ 369<\/span><\/td><td>Hard Own<\/span><\/td><td>\u786c\u6240\u6709\u8005\u53e5\u67c4<\/span>Hard owner handle<\/span><\/td><\/tr>\n<tr><td>370 ~ 379<\/span><\/td><td>Int16<\/span><\/td><td>\u7ebf\u5bbd\u679a\u4e3e\u503c\uff08LineWeight\uff09<\/span>Lineweight enum value<\/span><\/td><\/tr>\n<tr><td>380 ~ 389<\/span><\/td><td>Int16<\/span><\/td><td>\u6253\u5370\u6837\u5f0f\u540d\u7c7b\u578b\u679a\u4e3e<\/span>Plot style name type enum<\/span><\/td><\/tr>\n<tr><td>390 ~ 399<\/span><\/td><td>Handle<\/span><\/td><td>\u6253\u5370\u6837\u5f0f\u5bf9\u8c61\u53e5\u67c4<\/span>Plot style object handle<\/span><\/td><\/tr>\n<tr><td>400 ~ 409<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570<\/span>16-bit integer<\/span><\/td><\/tr>\n<tr><td>410 ~ 419<\/span><\/td><td>String<\/span><\/td><td>\u5e94\u7528\u7a0b\u5e8f\u540d\u79f0\uff08\u5982 “ACAD”\uff09<\/span>Application name (e.g. “ACAD”)<\/span><\/td><\/tr>\n<tr><td>420 ~ 429<\/span><\/td><td>Int32<\/span><\/td><td>\u771f\u5f69\u8272\u503c\uff080x00RRGGBB\uff09<\/span>True color value (0x00RRGGBB)<\/span><\/td><\/tr>\n<tr><td>430 ~ 439<\/span><\/td><td>String<\/span><\/td><td>\u989c\u8272\u540d\u79f0<\/span>Color name<\/span><\/td><\/tr>\n<tr><td>440 ~ 449<\/span><\/td><td>Int32<\/span><\/td><td>\u900f\u660e\u5ea6\u503c<\/span>Transparency value<\/span><\/td><\/tr>\n<tr><td>450 ~ 459<\/span><\/td><td>Int64<\/span><\/td><td>64 \u4f4d\u957f\u6574\u6570<\/span>64-bit long integer<\/span><\/td><\/tr>\n<tr><td>460 ~ 469<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u503c<\/span>Double precision float<\/span><\/td><\/tr>\n<tr><td>470 ~ 479<\/span><\/td><td>String<\/span><\/td><td>\u5b57\u7b26\u4e32<\/span>String<\/span><\/td><\/tr>\n<tr><td>999<\/span><\/td><td>String<\/span><\/td><td>DXF \u6ce8\u91ca\uff08OPEN \u5ffd\u7565\uff0cSAVEAS \u4e0d\u8f93\u51fa\uff09<\/span>DXF comment (ignored by OPEN, not output by SAVEAS)<\/span><\/td><\/tr>\n<tr><td>1000 ~ 1009<\/span><\/td><td>String<\/span><\/td><td>\u6269\u5c55\u6570\u636e XDATA \u5b57\u7b26\u4e32<\/span>XDATA string<\/span><\/td><\/tr>\n<tr><td>1010 ~ 1059<\/span><\/td><td>Double<\/span><\/td><td>XDATA \u4e2d\u7684\u70b9\/\u6d6e\u70b9\u503c<\/span>XDATA point\/float values<\/span><\/td><\/tr>\n<tr><td>1060 ~ 1070<\/span><\/td><td>Int16<\/span><\/td><td>XDATA \u4e2d\u7684\u6574\u6570\u503c<\/span>XDATA integer values<\/span><\/td><\/tr>\n<tr><td>1071<\/span><\/td><td>Int32<\/span><\/td><td>XDATA \u4e2d\u7684\u957f\u6574\u6570\u503c<\/span>XDATA long integer<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"tip-box\">\n\u4e09\u7ef4\u70b9\u89c4\u5219<\/span>3D Point Rule<\/span><\/strong>\n\u7ec4\u7801 10~39 \u91c7\u7528 X\/Y\/Z \u62c6\u5206\u7f16\u7801\uff1aX \u7ec4\u7801 = \u57fa\u503c\uff08\u5982 10\uff09\uff0cY \u7ec4\u7801 = \u57fa\u503c + 10\uff08\u5982 20\uff09\uff0cZ \u7ec4\u7801 = \u57fa\u503c + 20\uff08\u5982 30\uff09\u3002\u82e5\u7701\u7565 Z\uff0c\u9ed8\u8ba4\u503c\u4e3a 0\u3002<\/span>Group codes 10-39 use X\/Y\/Z split encoding: X code = base (e.g. 10), Y code = base + 10 (e.g. 20), Z code = base + 20 (e.g. 30). If Z is omitted, default is 0.<\/span><\/span>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"special\">\n\n<div class=\"section-icon\">\ud83d\udd12<\/div>\n<h2>\u7279\u6b8a\/\u5185\u90e8\u7ec4\u7801<\/span>Special \/ Internal Codes<\/span><\/h2>\n\n\u8fd9\u4e9b\u7ec4\u7801\u4ec5\u7528\u4e8e AutoLISP \u548c ObjectARX \u5e94\u7528\u7a0b\u5e8f\u5185\u90e8\uff0c\u4e0d\u4f1a\u51fa\u73b0\u5728 DXF \u6587\u4ef6\u4e2d\u3002<\/span>These codes are used internally by AutoLISP and ObjectARX applications and do not appear in DXF files.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>-5<\/span><\/td><td>Persistent Reactor Chain<\/span>Persistent Reactor Chain<\/span><\/td><td>\u6c38\u4e45\u53cd\u5e94\u5668\u94fe<\/span>Persistent Reactor Chain<\/span><\/td><\/tr>\n<tr><td>-4<\/span><\/td><td>Conditional Operator (ssget)<\/span>Conditional Operator (ssget)<\/span><\/td><td>\u6761\u4ef6\u8fd0\u7b97\u7b26\uff08\u4ec5 ssget \u4f7f\u7528\uff09<\/span>Conditional Operator (ssget only)<\/span><\/td><\/tr>\n<tr><td>-3<\/span><\/td><td>XDATA Marker<\/span>XDATA Marker<\/span><\/td><td>\u6269\u5c55\u6570\u636e\u6807\u8bb0<\/span>XDATA Marker<\/span><\/td><\/tr>\n<tr><td>-2<\/span><\/td><td>Entity Name Reference<\/span>Entity Name Reference<\/span><\/td><td>\u56fe\u5143\u540d\u53c2\u7167<\/span>Entity Name Reference<\/span><\/td><\/tr>\n<tr><td>-1<\/span><\/td><td>Entity Name<\/span>Entity Name<\/span><\/td><td>\u56fe\u5143\u540d\uff08\u8fd0\u884c\u65f6\u52a8\u6001\u5206\u914d\uff09<\/span>Entity name (runtime dynamic)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"common\">\n\n<div class=\"section-icon\">\u2699\ufe0f<\/div>\n<h2>\u901a\u7528\u5b9e\u4f53\u7ec4\u7801 (0~99)<\/span>Common Entity Codes (0-99)<\/span><\/h2>\n\n\u6bcf\u4e2a\u56fe\u5f62\u5b9e\u4f53\uff08\u56fe\u5143\uff09\u5171\u6709\u7684\u5c5e\u6027\u7ec4\u7801\u3002\u6807\u6ce8\u4e3a”\u56fa\u5b9a”\u7684\u7ec4\u7801\u51e0\u4e4e\u5728\u6bcf\u4e2a\u5b9e\u4f53\u4e2d\u51fa\u73b0\u3002<\/span>Attribute codes common to every graphical entity. Codes marked “fixed” appear in nearly every entity.<\/span><\/p>\n\n<div class=\"filter-bar\">\n<button class=\"filter-chip active\" data-filter=\"all\" onclick=\"filterTable('common-table','all')\">\u5168\u90e8<\/span>All<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"string\" onclick=\"filterTable('common-table','string')\">\u5b57\u7b26\u4e32<\/span>String<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"point\" onclick=\"filterTable('common-table','point')\">\u5750\u6807\u70b9<\/span>Point<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"float\" onclick=\"filterTable('common-table','float')\">\u6d6e\u70b9\u503c<\/span>Float<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"integer\" onclick=\"filterTable('common-table','integer')\">\u6574\u6570<\/span>Integer<\/span><\/button>\n<\/div>\n<div class=\"table-wrap\">\n<table id=\"common-table\">\n<thead>\n<tr>\n<th>\u7ec4\u7801<\/span>Code<\/span><\/th>\n<th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th>\n<th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th>\n<th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th>\n<th>\u56fa\u5b9a<\/span>Fixed<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-cat=\"string\"><td>0<\/span><\/td><td>Entity Type<\/td><td>\u5b9e\u4f53\u7c7b\u578b\uff08\u5982 LINE, CIRCLE \u7b49\uff09<\/span>Entity type (e.g. LINE, CIRCLE)<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>1<\/span><\/td><td>Primary Text Value<\/td><td>\u5b9e\u4f53\u7684\u4e3b\u6587\u5b57\u503c<\/span>Primary text value of entity<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>2<\/span><\/td><td>Name<\/td><td>\u540d\u79f0\uff08\u5c5e\u6027\u6807\u8bb0\u3001\u5757\u540d\u3001\u6807\u6ce8\u6837\u5f0f\u540d\u7b49\uff09<\/span>Name (attribute tag, block name, dimstyle, etc.)<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>3<\/span><\/td><td>Supplementary Text<\/td><td>\u8f85\u52a9\u6587\u672c\uff08\u5c5e\u6027\u63d0\u793a\u3001\u9644\u52a0\u6587\u5b57\u7b49\uff09<\/span>Supplementary text (attribute prompts, extra text)<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>4<\/span><\/td><td>Other Text\/Name<\/td><td>\u5176\u4ed6\u6587\u5b57\u6216\u540d\u79f0\u503c<\/span>Other text or name value<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>5<\/span><\/td><td>Handle<\/td><td>\u5b9e\u4f53\u53e5\u67c4\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff09<\/span>Entity handle (hex string)<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>6<\/span><\/td><td>Linetype Name<\/td><td>\u7ebf\u578b\u540d\u79f0<\/span>Linetype name<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>7<\/span><\/td><td>Text Style Name<\/td><td>\u6587\u5b57\u6837\u5f0f\u540d\u79f0<\/span>Text style name<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>8<\/span><\/td><td>Layer Name<\/td><td>\u56fe\u5c42\u540d\u79f0<\/span>Layer name<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>9<\/span><\/td><td>Variable Name Identifier<\/td><td>DXF HEADER \u6bb5\u53d8\u91cf\u540d\uff08\u5982 $ACADVER\uff09<\/span>DXF HEADER variable name (e.g. $ACADVER)<\/span><\/td><td>String<\/span><\/td><td>\u4ec5 HEADER<\/span>HEADER only<\/span><\/td><\/tr>\n<tr data-cat=\"point\"><td>10<\/span><\/td><td>Primary Point X<\/td><td>\u4e3b\u70b9 X\uff08\u5706\u5fc3\u3001\u8d77\u70b9\u3001\u63d2\u5165\u70b9\u7b49\uff09<\/span>Primary point X (center, start, insert point)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>11<\/span><\/td><td>Other Point X<\/td><td>\u5176\u4ed6\u70b9 X\uff08\u7ec8\u70b9\u3001\u7b2c\u4e8c\u70b9\u7b49\uff09<\/span>Other point X (end point, second point)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>12<\/span><\/td><td>Other Point X<\/td><td>\u5176\u4ed6\u70b9 X<\/span>Other point X<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>13~18<\/span><\/td><td>Other Points X<\/td><td>\u5176\u4ed6\u70b9 X \u503c\uff08\u6807\u6ce8\u5b9a\u4e49\u70b9\u7b49\uff09<\/span>Other point X values (dimension definition points)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>20<\/span><\/td><td>Primary Point Y<\/td><td>\u4e3b\u70b9 Y<\/span>Primary point Y<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>21~28<\/span><\/td><td>Other Points Y<\/td><td>\u5176\u4ed6\u70b9 Y \u503c<\/span>Other point Y values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>30<\/span><\/td><td>Primary Point Z<\/td><td>\u4e3b\u70b9 Z<\/span>Primary point Z<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>31~37<\/span><\/td><td>Other Points Z<\/td><td>\u5176\u4ed6\u70b9 Z \u503c<\/span>Other point Z values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>38<\/span><\/td><td>Entity Elevation<\/td><td>\u5b9e\u4f53\u6807\u9ad8\uff08\u975e\u96f6\u65f6\u6709\u6548\uff09<\/span>Entity elevation (when non-zero)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>39<\/span><\/td><td>Entity Thickness<\/td><td>\u5b9e\u4f53\u539a\u5ea6\uff08\u975e\u96f6\u65f6\u6709\u6548\uff09<\/span>Entity thickness (when non-zero)<\/span><\/td><td>Double<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"float\"><td>40<\/span><\/td><td>Double Float Value<\/td><td>\u6d6e\u70b9\u503c\uff08\u534a\u5f84\u3001\u9ad8\u5ea6\u3001\u7f29\u653e\u7b49\uff09<\/span>Float value (radius, height, scale)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>41<\/span><\/td><td>Double Float Value<\/td><td>X \u65b9\u5411\u7f29\u653e\u3001\u5bbd\u5ea6\u7b49<\/span>X scale factor, width<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>42<\/span><\/td><td>Double Float Value<\/td><td>\u51f8\u5ea6\uff08LWPOLYLINE\uff09\u3001Y \u7f29\u653e\u7b49<\/span>Bulge (LWPOLYLINE), Y scale<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>43<\/span><\/td><td>Double Float Value<\/td><td>Z \u65b9\u5411\u7f29\u653e\u3001\u5217\u95f4\u8ddd\u7b49<\/span>Z scale, column spacing<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>44<\/span><\/td><td>Double Float Value<\/td><td>\u6807\u6ce8\u7bad\u5934\u5927\u5c0f\u7b49<\/span>Dimension arrow size<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>45~47<\/span><\/td><td>Double Float Value<\/td><td>\u5176\u4ed6\u6807\u91cf\u503c<\/span>Other scalar values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>48<\/span><\/td><td>Linetype Scale<\/td><td>\u7ebf\u578b\u6bd4\u4f8b<\/span>Linetype scale factor<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>49<\/span><\/td><td>Repeated Double Value<\/td><td>\u91cd\u590d\u6d6e\u70b9\u503c\uff08\u5982\u7ebf\u578b\u865a\u7ebf\u957f\u5ea6\uff09<\/span>Repeated float (e.g. linetype dash lengths)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>50<\/span><\/td><td>Angle (degrees)<\/td><td>\u89d2\u5ea6\u503c\uff08DXF \u4e2d\u4ee5\u5ea6\u4e3a\u5355\u4f4d\uff09<\/span>Angle in degrees<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>51<\/span><\/td><td>Angle (degrees)<\/td><td>\u89d2\u5ea6\u503c\uff08\u7ec8\u70b9\u89d2\u5ea6\u7b49\uff09<\/span>Angle (end angle, etc.)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>52~58<\/span><\/td><td>Angle (degrees)<\/td><td>\u5176\u4ed6\u89d2\u5ea6\u503c<\/span>Other angle values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>60<\/span><\/td><td>Entity Visibility<\/td><td>\u5b9e\u4f53\u53ef\u89c1\u6027\uff080=\u53ef\u89c1, 1=\u4e0d\u53ef\u89c1\uff09<\/span>Visibility (0=visible, 1=invisible)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>62<\/span><\/td><td>Color Number<\/td><td>\u989c\u8272\u53f7\uff080=ByBlock, 256=ByLayer\uff09<\/span>Color number (0=ByBlock, 256=ByLayer)<\/span><\/td><td>Int16<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"integer\"><td>66<\/span><\/td><td>Entity Follow Flag<\/td><td>\u5b9e\u4f53\u8ddf\u968f\u6807\u5fd7\uff08\u5982 VERTEX \u8ddf\u968f POLYLINE\uff09<\/span>Entity follow flag (e.g. VERTEX follows POLYLINE)<\/span><\/td><td>Int16<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"integer\"><td>67<\/span><\/td><td>Space Flag<\/td><td>\u7a7a\u95f4\u6807\u5fd7\uff080=\u6a21\u578b\u7a7a\u95f4, 1=\u56fe\u7eb8\u7a7a\u95f4\uff09<\/span>Space flag (0=model space, 1=paper space)<\/span><\/td><td>Int16<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"integer\"><td>68<\/span><\/td><td>Viewport State<\/td><td>\u89c6\u53e3\u72b6\u6001\uff08\u6253\u5f00\/\u5173\u95ed\/\u672a\u6fc0\u6d3b\uff09<\/span>Viewport state (on\/off\/not active)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>69<\/span><\/td><td>Viewport Number<\/td><td>\u89c6\u53e3\u6807\u8bc6\u53f7<\/span>Viewport identification number<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>70<\/span><\/td><td>Integer Value<\/td><td>\u6574\u6570\u503c\uff08\u6807\u5fd7\u4f4d\u3001\u91cd\u590d\u8ba1\u6570\u3001\u95ed\u5408\u6807\u5fd7\u7b49\uff09<\/span>Integer (flags, repeat count, closed flag)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>71~78<\/span><\/td><td>Integer Values<\/td><td>\u6574\u6570\u503c\uff08\u5217\u6570\/\u884c\u6570\u3001\u6807\u6ce8\u7c7b\u578b\u3001\u6587\u5b57\u5bf9\u9f50\u7b49\uff09<\/span>Integer (col\/row count, dim type, text alignment)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>90<\/span><\/td><td>32-bit Integer<\/td><td>32 \u4f4d\u6574\u6570\uff08\u9876\u70b9\u603b\u6570\u7b49\uff09<\/span>32-bit integer (total vertex count)<\/span><\/td><td>Int32<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>91~99<\/span><\/td><td>32-bit Integers<\/td><td>32 \u4f4d\u6574\u6570<\/span>32-bit integers<\/span><\/td><td>Int32<\/span><\/td><td>–<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"no-results\">\u672a\u627e\u5230\u5339\u914d\u7684\u7ec4\u7801<\/span>No matching group codes found<\/span><\/div>\n<\/section>\n\n<section class=\"section\" id=\"subclass\">\n\n<div class=\"section-icon\">\ud83d\udd17<\/div>\n<h2>\u5b50\u7c7b\u6807\u8bb0\u4e0e\u5bf9\u8c61\u5f15\u7528 (100~399)<\/span>Subclass Markers & Object References (100-399)<\/span><\/h2>\n\n\u5b50\u7c7b\u6807\u8bb0\u7528\u4e8e\u6807\u8bc6\u5b9e\u4f53\u6240\u5c5e\u7684 DXF \u7c7b\u5c42\u6b21\uff0c\u5bf9\u8c61\u5f15\u7528\u7ec4\u7801\u7528\u4e8e\u5efa\u7acb\u5b9e\u4f53\u95f4\u7684\u5173\u7cfb\u94fe\u63a5\u3002<\/span>Subclass markers identify the DXF class hierarchy of entities. Object reference codes establish relationship links between entities.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>100<\/span><\/td><td>Subclass Marker<\/td><td>\u5b50\u7c7b\u6570\u636e\u6807\u8bb0\uff08\u5982 “AcDbEntity”, “AcDbCircle”\uff09<\/span>Subclass data marker (e.g. “AcDbEntity”, “AcDbCircle”)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>102<\/span><\/td><td>Control String<\/td><td>\u63a7\u5236\u5b57\u7b26\u4e32 “{<name>}” \u6216 “}”<\/span>Control string “{<name>}” or “}”<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>105<\/span><\/td><td>Object Handle (DIMVAR)<\/td><td>DIMVAR \u7b26\u53f7\u8868\u6761\u76ee\u5bf9\u8c61\u53e5\u67c4<\/span>DIMVAR symbol table entry handle<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<tr><td>110<\/span><\/td><td>UCS Origin X<\/td><td>UCS \u539f\u70b9 X \u503c<\/span>UCS origin X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>111<\/span><\/td><td>UCS X-Axis X<\/td><td>UCS X \u8f74\u65b9\u5411 X \u5206\u91cf<\/span>UCS X-axis direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>112<\/span><\/td><td>UCS Y-Axis X<\/td><td>UCS Y \u8f74\u65b9\u5411 X \u5206\u91cf<\/span>UCS Y-axis direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>120~122<\/span><\/td><td>UCS Origin\/Axis Y<\/td><td>UCS \u539f\u70b9\/\u8f74 Y \u503c<\/span>UCS origin\/axis Y<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>130~132<\/span><\/td><td>UCS Origin\/Axis Z<\/td><td>UCS \u539f\u70b9\/\u8f74 Z \u503c<\/span>UCS origin\/axis Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>140~149<\/span><\/td><td>Scalar Float Values<\/td><td>\u53cc\u7cbe\u5ea6\u6807\u91cf\u503c\uff08DIMSTYLE \u8bbe\u7f6e\u7b49\uff09<\/span>Scalar floats (DIMSTYLE settings)<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>170~179<\/span><\/td><td>16-bit Integers<\/td><td>16 \u4f4d\u6574\u6570\uff08DIMSTYLE \u6807\u5fd7\u4f4d\uff09<\/span>16-bit integers (DIMSTYLE flags)<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>210<\/span><\/td><td>Extrusion Direction X<\/td><td>\u62c9\u4f38\u65b9\u5411 X \u5206\u91cf<\/span>Extrusion direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>220<\/span><\/td><td>Extrusion Direction Y<\/td><td>\u62c9\u4f38\u65b9\u5411 Y \u5206\u91cf<\/span>Extrusion direction Y<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>230<\/span><\/td><td>Extrusion Direction Z<\/td><td>\u62c9\u4f38\u65b9\u5411 Z \u5206\u91cf<\/span>Extrusion direction Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>270~279<\/span><\/td><td>16-bit Integers<\/td><td>\u6742\u9879 16 \u4f4d\u6574\u6570\u6807\u5fd7<\/span>Miscellaneous 16-bit flags<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>280~289<\/span><\/td><td>16-bit Integers<\/td><td>\u6742\u9879 16 \u4f4d\u6574\u6570\u6807\u5fd7<\/span>Miscellaneous 16-bit flags<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>290~299<\/span><\/td><td>Boolean Flags<\/td><td>\u5e03\u5c14\u6807\u5fd7\u503c\uff080=False, 1=True\uff09<\/span>Boolean flags (0=False, 1=True)<\/span><\/td><td>Boolean<\/span><\/td><\/tr>\n<tr><td>300~309<\/span><\/td><td>Arbitrary Strings<\/td><td>\u4efb\u610f\u5b57\u7b26\u4e32<\/span>Arbitrary strings<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>310~319<\/span><\/td><td>Binary Data Chunks<\/td><td>\u4e8c\u8fdb\u5236\u6570\u636e\u5757\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff0c\u6700\u591a 127 \u5b57\u8282\uff09<\/span>Binary data (hex string, max 127 bytes)<\/span><\/td><td>Binary<\/span><\/td><\/tr>\n<tr><td>320~329<\/span><\/td><td>Hard Handles<\/td><td>\u539f\u59cb\u53e5\u67c4\u503c\uff08INSERT\/XREF \u65f6\u4e0d\u8f6c\u6362\uff09<\/span>Raw handles (no translation on INSERT\/XREF)<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<tr><td>330~339<\/span><\/td><td>Soft Pointers<\/td><td>\u8f6f\u6307\u9488\u53e5\u67c4\uff08\u6307\u5411\u5176\u4ed6\u5bf9\u8c61\u7684\u5f31\u5f15\u7528\uff09<\/span>Soft pointer (weak reference to other objects)<\/span><\/td><td>Soft Ptr<\/span><\/td><\/tr>\n<tr><td>340~349<\/span><\/td><td>Hard Pointers<\/td><td>\u786c\u6307\u9488\u53e5\u67c4\uff08\u5f3a\u5f15\u7528\uff0c\u4e0d\u53ef\u4e3a NULL\uff09<\/span>Hard pointer (strong reference, non-NULL)<\/span><\/td><td>Hard Ptr<\/span><\/td><\/tr>\n<tr><td>350~359<\/span><\/td><td>Soft Owners<\/td><td>\u8f6f\u6240\u6709\u8005\u53e5\u67c4<\/span>Soft owner handles<\/span><\/td><td>Soft Own<\/span><\/td><\/tr>\n<tr><td>360~369<\/span><\/td><td>Hard Owners<\/td><td>\u786c\u6240\u6709\u8005\u53e5\u67c4<\/span>Hard owner handles<\/span><\/td><td>Hard Own<\/span><\/td><\/tr>\n<tr><td>370<\/span><\/td><td>Lineweight<\/td><td>\u7ebf\u5bbd\u679a\u4e3e\u503c<\/span>Lineweight enum value<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>380<\/span><\/td><td>PlotStyleName Type<\/td><td>\u6253\u5370\u6837\u5f0f\u540d\u7c7b\u578b\u679a\u4e3e<\/span>Plot style name type enum<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>390<\/span><\/td><td>PlotStyleName Handle<\/td><td>\u6253\u5370\u6837\u5f0f\u5bf9\u8c61\u53e5\u67c4<\/span>Plot style object handle<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"color\">\n\n<div class=\"section-icon\">\ud83c\udfa8<\/div>\n<h2>\u989c\u8272\u4e0e\u6253\u5370\u6837\u5f0f (400~479)<\/span>Color & Plot Style (400-479)<\/span><\/h2>\n\n\u771f\u5f69\u8272\u3001\u989c\u8272\u540d\u79f0\u3001\u900f\u660e\u5ea6\u53ca\u6253\u5370\u6837\u5f0f\u76f8\u5173\u7ec4\u7801\u3002<\/span>Group codes for true color, color names, transparency, and plot styles.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>400~409<\/span><\/td><td>16-bit Integers<\/td><td>16 \u4f4d\u6574\u6570\uff08\u9884\u7559\uff09<\/span>16-bit integers (reserved)<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>410<\/span><\/td><td>App Name<\/td><td>\u5e94\u7528\u7a0b\u5e8f\u540d\u79f0\uff08\u5982 “ACAD”\uff09<\/span>Application name (e.g. “ACAD”)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>420<\/span><\/td><td>True Color (RGB)<\/td><td>\u771f\u5f69\u8272 32 \u4f4d\u503c (0x00RRGGBB)<\/span>True color 32-bit (0x00RRGGBB)<\/span><\/td><td>Int32<\/span><\/td><\/tr>\n<tr><td>430<\/span><\/td><td>Color Name<\/td><td>\u989c\u8272\u540d\u79f0\u5b57\u7b26\u4e32<\/span>Color name string<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>440<\/span><\/td><td>Transparency<\/td><td>\u900f\u660e\u5ea6\u503c<\/span>Transparency value<\/span><\/td><td>Int32<\/span><\/td><\/tr>\n<tr><td>450~459<\/span><\/td><td>Long Integers<\/td><td>64 \u4f4d\u957f\u6574\u6570<\/span>64-bit long integers<\/span><\/td><td>Int64<\/span><\/td><\/tr>\n<tr><td>460~469<\/span><\/td><td>Double Floats<\/td><td>\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u503c<\/span>Double precision floats<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>470~479<\/span><\/td><td>Strings<\/td><td>\u5b57\u7b26\u4e32<\/span>Strings<\/span><\/td><td>String<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"xdata\">\n\n<div class=\"section-icon\">\ud83d\udce6<\/div>\n<h2>\u6269\u5c55\u6570\u636e XDATA (1000~1071)<\/span>Extended Data XDATA (1000-1071)<\/span><\/h2>\n\n\u6269\u5c55\u6570\u636e\u662f\u5e94\u7528\u7a0b\u5e8f\u9644\u52a0\u5230 DXF \u5b9e\u4f53\u4e0a\u7684\u81ea\u5b9a\u4e49\u6570\u636e\uff0c\u4ee5\u7ec4\u7801 1000~1071 \u7f16\u7801\u3002<\/span>Extended data is custom data attached to DXF entities by applications, encoded with group codes 1000-1071.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1000<\/span><\/td><td>XDATA String<\/td><td>ASCII \u5b57\u7b26\u4e32\uff08\u6700\u591a 255 \u5b57\u8282\uff09<\/span>ASCII string (max 255 bytes)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1001<\/span><\/td><td>Registered App Name<\/td><td>\u6ce8\u518c\u7684\u5e94\u7528\u7a0b\u5e8f\u540d\uff08\u6700\u591a 31 \u5b57\u8282\uff09<\/span>Registered app name (max 31 bytes)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1002<\/span><\/td><td>XDATA Control String<\/td><td>\u63a7\u5236\u5b57\u7b26\u4e32 “{” \u6216 “}”<\/span>Control string “{” or “}”<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1003<\/span><\/td><td>XDATA Layer Name<\/td><td>XDATA \u56fe\u5c42\u540d<\/span>XDATA layer name<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1004<\/span><\/td><td>XDATA Binary Chunk<\/td><td>\u4e8c\u8fdb\u5236\u6570\u636e\u5757\uff08\u6700\u591a 127 \u5b57\u8282\uff09<\/span>Binary chunk (max 127 bytes)<\/span><\/td><td>Binary<\/span><\/td><\/tr>\n<tr><td>1005<\/span><\/td><td>XDATA Handle<\/td><td>\u5b9e\u4f53\u53e5\u67c4\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff09<\/span>Entity handle (hex string)<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<tr><td>1010<\/span><\/td><td>XDATA Point<\/td><td>XDATA \u70b9 X \u503c<\/span>XDATA point X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1011<\/span><\/td><td>XDATA 3D World Position<\/td><td>\u4e16\u754c\u7a7a\u95f4\u4f4d\u7f6e X<\/span>3D world space position X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1012<\/span><\/td><td>XDATA 3D World Displacement<\/td><td>\u4e16\u754c\u7a7a\u95f4\u4f4d\u79fb X<\/span>3D world space displacement X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1013<\/span><\/td><td>XDATA 3D World Direction<\/td><td>\u4e16\u754c\u7a7a\u95f4\u65b9\u5411 X<\/span>3D world space direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1020,1030<\/span><\/td><td>XDATA Point Y\/Z<\/td><td>XDATA \u70b9 Y\/Z \u503c<\/span>XDATA point Y\/Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1021~1033<\/span><\/td><td>XDATA Position Y\/Z<\/td><td>XDATA \u4f4d\u7f6e\/\u4f4d\u79fb\/\u65b9\u5411 Y\/Z<\/span>XDATA position\/displacement\/direction Y\/Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1040<\/span><\/td><td>XDATA Float<\/td><td>XDATA \u6d6e\u70b9\u503c<\/span>XDATA float value<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1041<\/span><\/td><td>XDATA Distance<\/td><td>XDATA \u8ddd\u79bb\u503c<\/span>XDATA distance value<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1042<\/span><\/td><td>XDATA Scale<\/td><td>XDATA \u7f29\u653e\u6bd4\u4f8b<\/span>XDATA scale factor<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1070<\/span><\/td><td>XDATA 16-bit Integer<\/td><td>16 \u4f4d\u6709\u7b26\u53f7\u6574\u6570<\/span>16-bit signed integer<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>1071<\/span><\/td><td>XDATA 32-bit Integer<\/td><td>32 \u4f4d\u6709\u7b26\u53f7\u957f\u6574\u6570<\/span>32-bit signed long integer<\/span><\/td><td>Int32<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"entities\">\n\n<div class=\"section-icon\">\ud83e\uddf1<\/div>\n<h2>\u5b9e\u4f53\u7ec4\u7801\u8be6\u89e3<\/span>Entity Group Codes Detail<\/span><\/h2>\n\n\u6bcf\u79cd DXF \u56fe\u5f62\u5b9e\u4f53\u6709\u81ea\u5df1\u7279\u6709\u7684\u7ec4\u7801\u7ec4\u5408\u3002\u4ee5\u4e0b\u6309\u5b9e\u4f53\u7c7b\u578b\u9010\u4e00\u5217\u51fa\u6240\u6709\u4e13\u5c5e\u7ec4\u7801\u3002<\/span>Each DXF entity type has its own specific combination of group codes. The following lists all dedicated codes by entity type.<\/span><\/p>\n<div class=\"entity-grid\">\n\n<div class=\"entity-card\" id=\"ent-line\">\n<div class=\"entity-card-header\">\nLINE<\/span>\n\u76f4\u7ebf<\/span>Line<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Start Point<\/td><td>\u8d77\u70b9 (\u914d\u5408 20,30)<\/span>Start point (with 20,30)<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>End Point<\/td><td>\u7ec8\u70b9 (\u914d\u5408 21,31)<\/span>End point (with 21,31)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-circle\">\n<div class=\"entity-card-header\">\nCIRCLE<\/span>\n\u5706<\/span>Circle<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Center Point<\/td><td>\u5706\u5fc3 (\u914d\u5408 20,30)<\/span>Center (with 20,30)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Radius<\/td><td>\u534a\u5f84<\/span>Radius<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-arc\">\n<div class=\"entity-card-header\">\nARC<\/span>\n\u5706\u5f27<\/span>Arc<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Center Point<\/td><td>\u5706\u5fc3 (\u914d\u5408 20,30)<\/span>Center (with 20,30)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Radius<\/td><td>\u534a\u5f84<\/span>Radius<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Start Angle<\/td><td>\u8d77\u59cb\u89d2\u5ea6\uff08\u5ea6\uff09<\/span>Start angle (degrees)<\/span><\/td><\/tr>\n<tr><td>51<\/span><\/td><td>End Angle<\/td><td>\u7ec8\u6b62\u89d2\u5ea6\uff08\u5ea6\uff09<\/span>End angle (degrees)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-text\">\n<div class=\"entity-card-header\">\nTEXT<\/span>\n\u5355\u884c\u6587\u5b57<\/span>Single-line Text<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Text Value<\/td><td>\u6587\u5b57\u5185\u5bb9<\/span>Text content<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Text Height<\/td><td>\u6587\u5b57\u9ad8\u5ea6<\/span>Text height<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Width Factor<\/td><td>\u5bbd\u5ea6\u6bd4\u4f8b\u56e0\u5b50<\/span>Width factor<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Rotation Angle<\/td><td>\u65cb\u8f6c\u89d2\u5ea6<\/span>Rotation angle<\/span><\/td><\/tr>\n<tr><td>51<\/span><\/td><td>Oblique Angle<\/td><td>\u503e\u659c\u89d2\u5ea6<\/span>Oblique angle<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Text Generation Flags<\/td><td>\u6587\u5b57\u751f\u6210\u6807\u5fd7\uff082=\u5012\u7f6e, 4=\u53cd\u5411\uff09<\/span>Text gen flags (2=upside-down, 4=backward)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Horizontal Justification<\/td><td>\u6c34\u5e73\u5bf9\u9f50\u65b9\u5f0f<\/span>H-justification<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Vertical Justification<\/td><td>\u5782\u76f4\u5bf9\u9f50\u65b9\u5f0f<\/span>V-justification<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-mtext\">\n<div class=\"entity-card-header\">\nMTEXT<\/span>\n\u591a\u884c\u6587\u5b57<\/span>Multiline Text<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Text Value<\/td><td>\u591a\u884c\u6587\u5b57\u5185\u5bb9\uff08\u542b\u683c\u5f0f\u4ee3\u7801\uff09<\/span>Text content (with format codes)<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Additional Text<\/td><td>\u9644\u52a0\u6587\u5b57\uff08\u8d85\u957f\u65f6\u7eed\u63a5\uff09<\/span>Additional text (continuation)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Nominal Text Height<\/td><td>\u6807\u79f0\u6587\u5b57\u9ad8\u5ea6<\/span>Nominal text height<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Reference Rectangle Width<\/td><td>\u53c2\u8003\u77e9\u5f62\u5bbd\u5ea6<\/span>Reference rect width<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>Reference Rectangle Height<\/td><td>\u53c2\u8003\u77e9\u5f62\u9ad8\u5ea6<\/span>Reference rect height<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Attachment Point<\/td><td>\u6587\u5b57\u5bf9\u9f50\u9644\u7740\u70b9<\/span>Attachment point<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Drawing Direction<\/td><td>\u6587\u5b57\u7ed8\u5236\u65b9\u5411<\/span>Drawing direction<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>MText Line Spacing Style<\/td><td>\u884c\u95f4\u8ddd\u6837\u5f0f<\/span>Line spacing style<\/span><\/td><\/tr>\n<tr><td>90<\/span><\/td><td>Column Type<\/td><td>\u5206\u680f\u7c7b\u578b (R2018+)<\/span>Column type (R2018+)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-dim\">\n<div class=\"entity-card-header\">\nDIMENSION<\/span>\n\u6807\u6ce8<\/span>Dimension<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Dimension Text<\/td><td>\u7528\u6237\u8986\u76d6\u7684\u6807\u6ce8\u6587\u5b57<\/span>User-overridden dimension text<\/span><\/td><\/tr>\n<tr><td>2<\/span><\/td><td>Block Name<\/td><td>\u6807\u6ce8\u5757\u540d<\/span>Dimension block name<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Dimension Style Name<\/td><td>\u6807\u6ce8\u6837\u5f0f\u540d<\/span>Dimension style name<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Definition Point<\/td><td>\u5b9a\u4e49\u70b9\uff08\u6240\u6709\u7c7b\u578b\u5171\u7528\u7b2c\u4e00\u4e2a\uff09<\/span>Definition point (first, common to all)<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Text Midpoint<\/td><td>\u6807\u6ce8\u6587\u5b57\u4e2d\u70b9<\/span>Text midpoint<\/span><\/td><\/tr>\n<tr><td>13<\/span><\/td><td>First Extension Line Origin<\/td><td>\u7b2c\u4e00\u6761\u5ef6\u4f38\u7ebf\u539f\u70b9<\/span>1st extension line origin<\/span><\/td><\/tr>\n<tr><td>14<\/span><\/td><td>Second Extension Line Origin<\/td><td>\u7b2c\u4e8c\u6761\u5ef6\u4f38\u7ebf\u539f\u70b9<\/span>2nd extension line origin<\/span><\/td><\/tr>\n<tr><td>15<\/span><\/td><td>Diameter\/Radius Def. Point<\/td><td>\u76f4\u5f84\/\u534a\u5f84\u5b9a\u4e49\u70b9<\/span>Diameter\/radius definition point<\/span><\/td><\/tr>\n<tr><td>16<\/span><\/td><td>Angular Arc Point<\/td><td>\u89d2\u5ea6\u6807\u6ce8\u5f27\u7ebf\u5b9a\u4e49\u70b9<\/span>Angular arc definition point<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Dimension Line Angle<\/td><td>\u6807\u6ce8\u7ebf\u65cb\u8f6c\u89d2\u5ea6<\/span>Dimension line angle<\/span><\/td><\/tr>\n<tr><td>51<\/span><\/td><td>Horizontal Direction<\/td><td>\u6c34\u5e73\u65b9\u5411\u89d2\u5ea6<\/span>Horizontal direction angle<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Dimension Type<\/td><td>\u6807\u6ce8\u7c7b\u578b\uff080=\u7ebf\u6027, 1=\u5bf9\u9f50, 2=\u89d2\u5ea6, 3=\u76f4\u5f84, 4=\u534a\u5f84\uff09<\/span>Dim type (0=linear, 1=aligned, 2=angular, 3=diameter, 4=radius)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-polyline\">\n<div class=\"entity-card-header\">\nPOLYLINE \/ LWPOLYLINE<\/span>\n\u591a\u6bb5\u7ebf \/ \u8f7b\u91cf\u591a\u6bb5\u7ebf<\/span>Polyline \/ Lightweight<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>90<\/span><\/td><td>Number of Vertices<\/td><td>\u9876\u70b9\u603b\u6570<\/span>Total vertex count<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Polyline Flags<\/td><td>\u6807\u5fd7\u4f4d\uff081=\u95ed\u5408, 128=Plinegen\uff09<\/span>Flags (1=closed, 128=Plinegen)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Vertex X<\/td><td>\u5404\u9876\u70b9 X \u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Vertex X (repeating)<\/span><\/td><\/tr>\n<tr><td>20<\/span><\/td><td>Vertex Y<\/td><td>\u5404\u9876\u70b9 Y \u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Vertex Y (repeating)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Start Width<\/td><td>\u8d77\u59cb\u5bbd\u5ea6<\/span>Start width<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>End Width<\/td><td>\u7ec8\u6b62\u5bbd\u5ea6<\/span>End width<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>Bulge<\/td><td>\u51f8\u5ea6\uff080=\u76f4\u7ebf, \u6b63=\u9006\u65f6\u9488\u5f27, \u8d1f=\u987a\u65f6\u9488\u5f27\uff09<\/span>Bulge (0=line, +=CCW arc, -=CW arc)<\/span><\/td><\/tr>\n<tr><td>43<\/span><\/td><td>Constant Width<\/td><td>\u6052\u5b9a\u5bbd\u5ea6\uff08\u5168\u5c40\uff09<\/span>Constant width (global)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-insert\">\n<div class=\"entity-card-header\">\nINSERT<\/span>\n\u5757\u5f15\u7528<\/span>Block Insert<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>2<\/span><\/td><td>Block Name<\/td><td>\u5757\u5b9a\u4e49\u540d\u79f0<\/span>Block definition name<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>X Scale Factor<\/td><td>X \u65b9\u5411\u7f29\u653e\u6bd4\u4f8b<\/span>X scale factor<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>Y Scale Factor<\/td><td>Y \u65b9\u5411\u7f29\u653e\u6bd4\u4f8b<\/span>Y scale factor<\/span><\/td><\/tr>\n<tr><td>43<\/span><\/td><td>Z Scale Factor<\/td><td>Z \u65b9\u5411\u7f29\u653e\u6bd4\u4f8b<\/span>Z scale factor<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Rotation Angle<\/td><td>\u65cb\u8f6c\u89d2\u5ea6\uff08\u5ea6\uff09<\/span>Rotation angle (degrees)<\/span><\/td><\/tr>\n<tr><td>66<\/span><\/td><td>Entity Follow Flag<\/td><td>\u5c5e\u6027\u8ddf\u968f\u6807\u5fd7\uff081=\u6709\u540e\u7eed ATTRIB\uff09<\/span>Attribute follow (1=has ATTRIBs)<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Column Count<\/td><td>\u5217\u6570\uff08\u9635\u5217\uff09<\/span>Column count (array)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Row Count<\/td><td>\u884c\u6570\uff08\u9635\u5217\uff09<\/span>Row count (array)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-spline\">\n<div class=\"entity-card-header\">\nSPLINE<\/span>\n\u6837\u6761\u66f2\u7ebf<\/span>Spline Curve<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>70<\/span><\/td><td>Spline Flags<\/td><td>\u6807\u5fd7\u4f4d\uff081=\u95ed\u5408, 2=\u5468\u671f, 4=\u5e73\u9762, 8=\u7ebf\u6027\uff09<\/span>Flags (1=closed, 2=periodic, 4=planar, 8=linear)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Degree<\/td><td>\u66f2\u7ebf\u9636\u6570\uff08\u901a\u5e38\u4e3a 3=\u4e09\u6b21 B \u6837\u6761\uff09<\/span>Degree (typically 3=cubic B-spline)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Number of Knots<\/td><td>\u8282\u70b9\u6570<\/span>Knot count<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Number of Control Points<\/td><td>\u63a7\u5236\u70b9\u6570<\/span>Control point count<\/span><\/td><\/tr>\n<tr><td>74<\/span><\/td><td>Number of Fit Points<\/td><td>\u62df\u5408\u70b9\u6570<\/span>Fit point count<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Knot Value<\/td><td>\u8282\u70b9\u503c\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Knot value (repeating)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Control Point<\/td><td>\u63a7\u5236\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Control point (repeating)<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Fit Point<\/td><td>\u62df\u5408\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Fit point (repeating)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-ellipse\">\n<div class=\"entity-card-header\">\nELLIPSE<\/span>\n\u692d\u5706<\/span>Ellipse<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Center Point<\/td><td>\u692d\u5706\u4e2d\u5fc3<\/span>Ellipse center<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Major Axis Endpoint<\/td><td>\u957f\u8f74\u7aef\u70b9\u5411\u91cf\uff08\u76f8\u5bf9\u4e8e\u4e2d\u5fc3\uff09<\/span>Major axis endpoint vector (relative to center)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Minor Axis Ratio<\/td><td>\u77ed\u8f74\u4e0e\u957f\u8f74\u6bd4\u503c\uff080<ratio<=1\uff09<\/span>Minor-to-major axis ratio (0<ratio<=1)<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Start Parameter<\/td><td>\u8d77\u59cb\u53c2\u6570\u89d2\u5ea6<\/span>Start parameter angle<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>End Parameter<\/td><td>\u7ec8\u6b62\u53c2\u6570\u89d2\u5ea6<\/span>End parameter angle<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-hatch\">\n<div class=\"entity-card-header\">\nHATCH<\/span>\n\u586b\u5145<\/span>Hatch Fill<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>2<\/span><\/td><td>Pattern Name<\/td><td>\u586b\u5145\u56fe\u6848\u540d\uff08\u5982 ANSI31, SOLID\uff09<\/span>Pattern name (e.g. ANSI31, SOLID)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Elevation Point<\/td><td>\u6807\u9ad8\u70b9\uff08\u4ec5\u5b9e\u4f53\u586b\u5145\uff09<\/span>Elevation point (solid only)<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Pattern Scale<\/td><td>\u56fe\u6848\u7f29\u653e\u6bd4\u4f8b<\/span>Pattern scale factor<\/span><\/td><\/tr>\n<tr><td>52<\/span><\/td><td>Pattern Angle<\/td><td>\u56fe\u6848\u65cb\u8f6c\u89d2\u5ea6<\/span>Pattern rotation angle<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Hatch Style<\/td><td>\u586b\u5145\u6837\u5f0f\uff080=\u666e\u901a, 1=\u5916\u90e8, 2=\u5ffd\u7565\uff09<\/span>Hatch style (0=normal, 1=outer, 2=ignore)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Associativity Flag<\/td><td>\u5173\u8054\u6807\u5fd7\uff081=\u5173\u8054\uff09<\/span>Associativity (1=associative)<\/span><\/td><\/tr>\n<tr><td>75<\/span><\/td><td>Hatch Pattern Type<\/td><td>\u56fe\u6848\u7c7b\u578b\uff080=\u7528\u6237\u5b9a\u4e49, 1=\u9884\u5b9a\u4e49, 2=\u81ea\u5b9a\u4e49\uff09<\/span>Pattern type (0=user, 1=predefined, 2=custom)<\/span><\/td><\/tr>\n<tr><td>76<\/span><\/td><td>Boundary Path Count<\/td><td>\u8fb9\u754c\u8def\u5f84\u6570\u91cf<\/span>Boundary path count<\/span><\/td><\/tr>\n<tr><td>91<\/span><\/td><td>Pattern Definition Lines<\/td><td>\u56fe\u6848\u5b9a\u4e49\u7ebf\u6570\u91cf<\/span>Pattern definition line count<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-attrib\">\n<div class=\"entity-card-header\">\nATTRIB \/ ATTDEF<\/span>\n\u5c5e\u6027 \/ \u5c5e\u6027\u5b9a\u4e49<\/span>Attribute \/ Attrib Def<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Attribute Value<\/td><td>\u5c5e\u6027\u503c (ATTRIB) \/ \u9ed8\u8ba4\u503c (ATTDEF)<\/span>Value (ATTRIB) \/ Default (ATTDEF)<\/span><\/td><\/tr>\n<tr><td>2<\/span><\/td><td>Attribute Tag<\/td><td>\u5c5e\u6027\u6807\u8bb0\u540d<\/span>Attribute tag name<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Attribute Prompt<\/td><td>\u5c5e\u6027\u63d0\u793a\u6587\u5b57<\/span>Attribute prompt text<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Text Height<\/td><td>\u6587\u5b57\u9ad8\u5ea6<\/span>Text height<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Width Factor<\/td><td>\u5bbd\u5ea6\u6bd4\u4f8b\u56e0\u5b50<\/span>Width factor<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Rotation Angle<\/td><td>\u65cb\u8f6c\u89d2\u5ea6<\/span>Rotation angle<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Attribute Flags<\/td><td>\u6807\u5fd7\uff081=\u4e0d\u53ef\u89c1, 2=\u5e38\u91cf, 4=\u9a8c\u8bc1, 8=\u9884\u7f6e\uff09<\/span>Flags (1=invisible, 2=constant, 4=verify, 8=preset)<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Field Length<\/td><td>\u5b57\u6bb5\u957f\u5ea6<\/span>Field length<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-leader\">\n<div class=\"entity-card-header\">\nLEADER<\/span>\n\u5f15\u7ebf<\/span>Leader<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Leader Vertex<\/td><td>\u5f15\u7ebf\u9876\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Leader vertex (repeating)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Annotation Type<\/td><td>\u6ce8\u91ca\u7c7b\u578b\uff080=\u65e0, 1=\u6587\u5b57, 2=\u516c\u5dee, 3=\u5757\u53c2\u7167\uff09<\/span>Annotation type (0=none, 1=text, 2=tolerance, 3=block)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Path Type<\/td><td>\u8def\u5f84\u7c7b\u578b<\/span>Path type<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Annotation Placement<\/td><td>\u6ce8\u91ca\u653e\u7f6e\u65b9\u5f0f<\/span>Annotation placement<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-3dface\">\n<div class=\"entity-card-header\">\n3DFACE<\/span>\n\u4e09\u7ef4\u9762<\/span>3D Face<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>First Corner<\/td><td>\u7b2c\u4e00\u89d2\u70b9<\/span>First corner<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Second Corner<\/td><td>\u7b2c\u4e8c\u89d2\u70b9<\/span>Second corner<\/span><\/td><\/tr>\n<tr><td>12<\/span><\/td><td>Third Corner<\/td><td>\u7b2c\u4e09\u89d2\u70b9<\/span>Third corner<\/span><\/td><\/tr>\n<tr><td>13<\/span><\/td><td>Fourth Corner<\/td><td>\u7b2c\u56db\u89d2\u70b9\uff08\u53ef\u9009\uff09<\/span>Fourth corner (optional)<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Invisible Edge Flags<\/td><td>\u4e0d\u53ef\u89c1\u8fb9\u6807\u5fd7\uff08\u4f4d\u7801\uff1a1\/2\/4\/8\uff09<\/span>Invisible edge flags (bit: 1\/2\/4\/8)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-solid\">\n<div class=\"entity-card-header\">\nSOLID<\/span>\n\u5b9e\u5fc3\u9762 \/ \u4e8c\u7ef4\u586b\u5145<\/span>Solid \/ 2D Fill<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>First Corner<\/td><td>\u7b2c\u4e00\u70b9<\/span>First point<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Second Corner<\/td><td>\u7b2c\u4e8c\u70b9<\/span>Second point<\/span><\/td><\/tr>\n<tr><td>12<\/span><\/td><td>Third Corner<\/td><td>\u7b2c\u4e09\u70b9<\/span>Third point<\/span><\/td><\/tr>\n<tr><td>13<\/span><\/td><td>Fourth Corner<\/td><td>\u7b2c\u56db\u70b9\uff08\u53ef\u9009\uff0c\u9ed8\u8ba4=\u7b2c\u4e09\u70b9\uff09<\/span>Fourth point (optional, defaults to 3rd)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-mline\">\n<div class=\"entity-card-header\">\nMLINE<\/span>\n\u591a\u91cd\u5e73\u884c\u7ebf<\/span>Multiline<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Start Point<\/td><td>\u8d77\u59cb\u9876\u70b9\u5750\u6807<\/span>Start vertex<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Vertex Points<\/td><td>\u5404\u9876\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Vertices (repeating)<\/span><\/td><\/tr>\n<tr><td>19<\/span><\/td><td>End Point<\/td><td>\u7ec8\u6b62\u9876\u70b9\u5750\u6807<\/span>End vertex<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Justification<\/td><td>\u5bf9\u9f50\u65b9\u5f0f\uff080=\u9876, 1=\u96f6, 2=\u5e95\uff09<\/span>Justification (0=top, 1=zero, 2=bottom)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Drawing Flags<\/td><td>\u7ed8\u5236\u6807\u5fd7\uff081=\u95ed\u5408, 2=\u5f00\u59cb\u622a\u65ad, 4=\u7ed3\u675f\u622a\u65ad\uff09<\/span>Flags (1=closed, 2=start cap, 4=end cap)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-tolerance\">\n<div class=\"entity-card-header\">\nTOLERANCE<\/span>\n\u516c\u5dee<\/span>Tolerance<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Feature Control Frame<\/td><td>\u7279\u5f81\u63a7\u5236\u6846\u67b6\u6587\u5b57<\/span>Feature control frame text<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Feature Control Frame (cont.)<\/td><td>\u9644\u52a0\u7279\u5f81\u63a7\u5236\u6846\u67b6\u6587\u5b57\uff08\u53ef\u7eed\u63a5\uff09<\/span>Additional FCF text (continuation)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Leader Vertexes<\/td><td>\u5f15\u7ebf\u9876\u70b9\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Leader vertices (repeating)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-point\">\n<div class=\"entity-card-header\">\nPOINT<\/span>\n\u70b9<\/span>Point<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Point Location<\/td><td>\u70b9\u5750\u6807<\/span>Point coordinates<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Angle (for UCS)<\/td><td>\u89d2\u5ea6\uff08UCS \u76f8\u5173\uff09<\/span>Angle (UCS related)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"all-entities\">\n\n<div class=\"section-icon\">\ud83d\udccb<\/div>\n<h2>\u5168\u90e8\u5b9e\u4f53\u7c7b\u578b\u5217\u8868<\/span>Complete Entity Type List<\/span><\/h2>\n\nDXF \u4e2d\u6240\u6709\u5df2\u5b9a\u4e49\u7684\u56fe\u5f62\u5b9e\u4f53\u7c7b\u578b\uff08\u5373\u7ec4\u7801 0 \u53ef\u53d6\u7684\u503c\uff09\uff1a<\/span>All defined graphical entity types in DXF (values for group code 0):<\/span><\/p>\n<div class=\"subsection\">\n<h3>\u57fa\u7840\u51e0\u4f55\u5b9e\u4f53<\/span>Basic Geometry Entities<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>LINE<\/code> <code>POINT<\/code> <code>CIRCLE<\/code> <code>ARC<\/code> <code>ELLIPSE<\/code> <code>RAY<\/code> <code>XLINE<\/code> <code>HELIX<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u591a\u6bb5\u7ebf\u4e0e\u66f2\u7ebf<\/span>Polylines & Curves<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>POLYLINE<\/code> <code>LWPOLYLINE<\/code> <code>SPLINE<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u9762\u4e0e\u4f53<\/span>Faces & Bodies<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>3DFACE<\/code> <code>SOLID<\/code> <code>TRACE<\/code> <code>3DSOLID<\/code> <code>BODY<\/code> <code>REGION<\/code> <code>SURFACE<\/code> <code>MESH<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u6587\u5b57\u4e0e\u6807\u6ce8<\/span>Text & Dimensions<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>TEXT<\/code> <code>MTEXT<\/code> <code>DIMENSION<\/code> <code>ARC_DIMENSION<\/code> <code>TOLERANCE<\/code> <code>LEADER<\/code> <code>MULTILEADER<\/code> <code>SHAPE<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u5757\u4e0e\u5c5e\u6027<\/span>Blocks & Attributes<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>INSERT<\/code> <code>MINSERT<\/code> <code>ATTRIB<\/code> <code>ATTDEF<\/code> <code>BLOCK<\/code> <code>ENDBLK<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u586b\u5145\u4e0e\u56fe\u6848<\/span>Hatches & Patterns<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>HATCH<\/code> <code>MPOLYGON<\/code> <code>MLINE<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u5176\u4ed6<\/span>Others<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>VIEWPORT<\/code> <code>UNDERLAY<\/code> <code>WIPEOUT<\/code> <code>ACAD_PROXY_ENTITY<\/code> <code>LIGHT<\/code> <code>OFRAME<\/code> <code>ACAD_TABLE<\/code>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"section-struct\">\n\n<div class=\"section-icon\">\ud83d\udcc1<\/div>\n<h2>DXF \u6587\u4ef6\u8282\u7ed3\u6784<\/span>DXF File Section Structure<\/span><\/h2>\n\nDXF \u6587\u4ef6\u7531\u82e5\u5e72\u8282\uff08SECTION\uff09\u7ec4\u6210\uff0c\u6bcf\u8282\u4ee5 <code>0 SECTION<\/code> \u5f00\u59cb\u3001<code>0 ENDSEC<\/code> \u7ed3\u675f\u3002\u7ec4\u7801 2 \u6307\u5b9a\u8282\u540d\u3002<\/span>A DXF file consists of several sections. Each starts with <code>0 SECTION<\/code> and ends with <code>0 ENDSEC<\/code>. Group code 2 specifies the section name.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u8282\u540d<\/span>Section Name<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u5173\u952e\u7ec4\u7801<\/span>Key Codes<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td><code>HEADER<\/code><\/td><td>Header Section<\/td><td>\u5168\u5c40\u53d8\u91cf\u5b9a\u4e49\uff08\u7248\u672c\u3001\u7cbe\u5ea6\u3001\u5750\u6807\u7cfb\u7b49\uff09<\/span>Global variable definitions (version, precision, coordinate system)<\/span><\/td><td>9\uff08\u53d8\u91cf\u540d\uff09, \u5bf9\u5e94\u53d8\u91cf\u7684\u503c\u7ec4\u7801<\/span>9 (var name), variable value codes<\/span><\/td><\/tr>\n<tr><td><code>CLASSES<\/code><\/td><td>Classes Section<\/td><td>\u975e\u5185\u7f6e\u7c7b\u5b9a\u4e49\uff08C++ \u7c7b\u4fe1\u606f\uff09<\/span>Non-built-in class definitions (C++ class info)<\/span><\/td><td>100<\/span> 1<\/span> 2<\/span><\/td><\/tr>\n<tr><td><code>TABLES<\/code><\/td><td>Tables Section<\/td><td>\u7b26\u53f7\u8868\u5b9a\u4e49\uff08\u56fe\u5c42\u3001\u7ebf\u578b\u3001\u6587\u5b57\u6837\u5f0f\u3001\u6807\u6ce8\u6837\u5f0f\u7b49\uff09<\/span>Symbol table definitions (layers, linetypes, text styles, etc.)<\/span><\/td><td>0<\/span> 2<\/span> 70<\/span><\/td><\/tr>\n<tr><td><code>BLOCKS<\/code><\/td><td>Blocks Section<\/td><td>\u5757\u5b9a\u4e49\uff0c\u542b\u5b9e\u4f53\u6570\u636e<\/span>Block definitions, containing entity data<\/span><\/td><td>0<\/span> 2<\/span> 8<\/span><\/td><\/tr>\n<tr><td><code>ENTITIES<\/code><\/td><td>Entities Section<\/td><td>\u56fe\u5f62\u5b9e\u4f53\u6570\u636e\uff08\u6838\u5fc3\u7ed8\u56fe\u5185\u5bb9\uff09<\/span>Graphical entity data (core drawing content)<\/span><\/td><td>0<\/span> 8<\/span><\/td><\/tr>\n<tr><td><code>OBJECTS<\/code><\/td><td>Objects Section<\/td><td>\u975e\u56fe\u5f62\u5bf9\u8c61\uff08\u5b57\u5178\u3001XRECORD \u7b49\uff09<\/span>Non-graphical objects (dictionaries, XRECORD, etc.)<\/span><\/td><td>100<\/span> 0<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"tip-box\">\nDXF \u7ed3\u6784\u793a\u610f<\/span>DXF Structure<\/span><\/strong><br\/>\n<code>0 SECTION<\/code><br\/>\n<code>2 HEADER<\/code><br\/>\n<code>9 $ACADVER<\/code><br\/>\n<code>1 AC1027<\/code><br\/>\n<code>...\uff08\u66f4\u591a\u53d8\u91cf\uff09<\/code><br\/>\n<code>0 ENDSEC<\/code><br\/>\n<code>0 SECTION<\/code><br\/>\n<code>2 CLASSES<\/code><br\/>\n<code>...\uff08\u7c7b\u5b9a\u4e49\uff09<\/code><br\/>\n<code>0 ENDSEC<\/code><br\/>\n<code>...\uff08TABLES, BLOCKS, ENTITIES, OBJECTS\uff09<\/code><br\/>\n<code>0 EOF<\/code>\n<\/div>\n<\/section>\n\n<div class=\"footnotes\">\n DXF \u7ec4\u7801\u5b8c\u5168\u53c2\u8003\u624b\u518c | \u57fa\u4e8e AutoCAD DXF Reference \u7f16\u5236<\/span>DXF Group Codes Complete Reference | Based on AutoCAD DXF Reference<\/span><\/p>\n<\/div>\n\n<\/div>\n\n\n<script>\nfunction switchLanguage(lang) {\n document.documentElement.lang = lang;\n document.body.className = (lang === 'en') ? 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{"id":268,"date":"2026-06-30T09:21:23","date_gmt":"2026-06-30T01:21:23","guid":{"rendered":"https:\/\/numsimlab.com\/?p=268"},"modified":"2026-06-30T14:50:47","modified_gmt":"2026-06-30T06:50:47","slug":"dxf-%e7%bb%84%e7%a0%81%e5%ae%8c%e5%85%a8%e5%8f%82%e8%80%83%e6%89%8b%e5%86%8c","status":"publish","type":"post","link":"https:\/\/numsimlab.com\/?p=268","title":{"rendered":"DXF \u7ec4\u7801\u5b8c\u5168\u53c2\u8003\u624b\u518c"},"content":{"rendered":"\n\n\n\n\n\nDXF \u7ec4\u7801\u5b8c\u5168\u53c2\u8003\u624b\u518c<\/span>DXF Group Codes Complete Reference Manual<\/span><\/title>\n<style>\n:root {\n --bg: #f5faf7;\n --bg2: #eef6f1;\n --ink: #1a2e23;\n --muted: #5a7a6e;\n --rule: #c0d8cc;\n --accent: #059669;\n --accent2: #0d9488;\n --code-bg: #1e2d26;\n --code-fg: #d1fae5;\n}\n\n* { box-sizing: border-box; margin: 0; padding: 0; }\n\nhtml { scroll-behavior: smooth; }\n\nbody {\n font-family: \"Microsoft YaHei\", \"PingFang SC\", system-ui, -apple-system, sans-serif;\n background: 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border-bottom: 1px solid var(--rule);\n}\n\n.cover h1 {\n font-size: 2.2rem;\n color: var(--ink);\n margin-bottom: 0.8rem;\n font-weight: 700;\n}\n\n.cover .subtitle {\n font-size: 1.3rem;\n color: var(--accent);\n font-weight: 600;\n margin-bottom: 0.6rem;\n}\n\n.cover .desc {\n font-size: 1rem;\n color: var(--muted);\n}\n\n\/* Search box *\/\n.search-box {\n max-width: 400px;\n margin: 1.5rem auto 0;\n}\n\n.search-box input {\n width: 100%;\n padding: 0.6rem 1rem;\n border: 2px solid var(--rule);\n border-radius: 6px;\n font-size: 1rem;\n font-family: inherit;\n outline: none;\n transition: border-color 0.2s;\n}\n\n.search-box input:focus {\n border-color: var(--accent);\n}\n\n\/* TOC *\/\n.toc {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n padding: 1.5rem 2rem;\n margin: 2rem 0;\n}\n\n.toc h2 {\n font-size: 1.3rem;\n margin-bottom: 1rem;\n color: var(--accent);\n}\n\n.toc ol, .toc ul {\n padding-left: 1.5rem;\n}\n\n.toc li {\n margin: 0.4rem 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var(--accent2);\n margin: 1.5rem 0 0.8rem;\n}\n\nsection p {\n margin-bottom: 0.9rem;\n text-align: justify;\n}\n\n\/* Tables *\/\ntable {\n width: 100%;\n border-collapse: collapse;\n margin: 1.2rem 0;\n font-size: 0.95rem;\n}\n\nth, td {\n border: 1px solid var(--rule);\n padding: 0.7rem 0.9rem;\n text-align: left;\n}\n\nth {\n background: var(--bg2);\n font-weight: 600;\n color: var(--ink);\n}\n\ntr:nth-child(even) { background: var(--bg); }\n\n\/* Code *\/\npre {\n background: var(--code-bg);\n color: var(--code-fg);\n padding: 1.2rem 1.5rem;\n border-radius: 6px;\n overflow-x: auto;\n font-family: Consolas, \"Courier New\", monospace;\n font-size: 0.9rem;\n line-height: 1.6;\n margin: 1rem 0;\n}\n\ncode {\n font-family: Consolas, \"Courier New\", monospace;\n background: rgba(5,150,105,0.1);\n padding: 0.15rem 0.4rem;\n border-radius: 3px;\n font-size: 0.9em;\n color: var(--accent);\n}\n\npre code {\n background: transparent;\n padding: 0;\n color: inherit;\n}\n\n\/* Group code highlight *\/\n.gc {\n font-family: Consolas, \"Courier New\", monospace;\n font-weight: 700;\n color: var(--accent2);\n}\n\n\/* Type badges *\/\n.type-badge {\n display: inline-block;\n padding: 0.15em 0.5em;\n border-radius: 4px;\n font-size: 0.72rem;\n font-weight: 600;\n white-space: nowrap;\n}\n\n.type-str { background: #d1fae5; color: #065f46; }\n.type-float { background: #e0e7ff; color: #3730a3; }\n.type-int { background: #fef3c7; color: #92400e; }\n.type-bool { background: #dbeafe; color: #1e40af; }\n.type-handle { background: #fef9c3; color: #854d0e; }\n.type-binary { background: #fce7f3; color: #9d174d; }\n.type-special { background: #f3f4f6; color: #4b5563; }\n\n\/* Filter chips *\/\n.filter-bar {\n display: flex;\n gap: 0.5rem;\n margin-bottom: 1rem;\n flex-wrap: wrap;\n}\n\n.filter-chip {\n padding: 0.3rem 0.8rem;\n font-size: 0.85rem;\n font-weight: 600;\n border: 1px solid var(--rule);\n border-radius: 20px;\n background: transparent;\n color: var(--muted);\n cursor: pointer;\n transition: all 0.15s;\n font-family: inherit;\n}\n\n.filter-chip:hover { border-color: var(--accent); color: var(--ink); }\n\n.filter-chip.active {\n background: var(--accent);\n color: #fff;\n border-color: var(--accent);\n}\n\n\/* Entity cards grid *\/\n.entity-grid {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));\n gap: 1.2rem;\n margin-top: 1.5rem;\n}\n\n.entity-card {\n background: #fff;\n border: 1px solid var(--rule);\n border-radius: 8px;\n overflow: hidden;\n transition: border-color 0.2s, box-shadow 0.2s;\n}\n\n.entity-card:hover {\n border-color: var(--accent);\n box-shadow: 0 4px 12px rgba(5,150,105,0.1);\n}\n\n.entity-card-header {\n padding: 0.8rem 1.2rem;\n background: var(--bg2);\n border-bottom: 1px solid var(--rule);\n display: flex;\n align-items: center;\n gap: 0.6rem;\n}\n\n.entity-card-header .entity-name {\n font-family: Consolas, \"Courier New\", monospace;\n font-weight: 700;\n font-size: 0.95rem;\n color: var(--accent);\n}\n\n.entity-card-header .entity-name-cn {\n font-size: 0.82rem;\n color: var(--muted);\n}\n\n.entity-card table {\n font-size: 0.85rem;\n margin: 0;\n}\n\n.entity-card th, .entity-card td {\n padding: 0.5rem 0.7rem;\n}\n\n\/* Tip box *\/\n.tip-box {\n background: #ecfdf5;\n border-left: 4px solid var(--accent);\n padding: 1rem 1.2rem;\n margin: 1.2rem 0;\n border-radius: 0 6px 6px 0;\n font-size: 0.95rem;\n}\n\n.tip-box strong { color: var(--accent); }\n\n\/* No results *\/\n.no-results {\n text-align: center;\n padding: 2rem 1rem;\n color: var(--muted);\n font-size: 0.95rem;\n display: none;\n}\n\n\/* Footnotes *\/\n.footnotes {\n font-size: 0.85rem;\n color: var(--muted);\n border-top: 1px solid var(--rule);\n margin-top: 2rem;\n padding-top: 1rem;\n text-align: center;\n}\n\n\/* Table wrap for scrolling *\/\n.table-wrap {\n overflow-x: auto;\n margin-bottom: 1rem;\n}\n\n\/* Section icon *\/\n.section-icon {\n width: 32px;\n height: 32px;\n border-radius: 8px;\n background: var(--bg2);\n display: inline-flex;\n align-items: center;\n justify-content: center;\n font-size: 1rem;\n margin-right: 0.6rem;\n vertical-align: middle;\n}\n\n\/* Responsive *\/\n@media (max-width: 768px) {\n .cover h1 { font-size: 1.5rem; }\n .cover .subtitle { font-size: 1.05rem; }\n section { padding: 1.2rem 1rem; }\n section h2 { font-size: 1.3rem; }\n .entity-grid { grid-template-columns: 1fr; }\n table { font-size: 0.85rem; }\n th, td { padding: 0.5rem; }\n}\n\n\/* Language display control *\/\n[data-lang=\"en\"] { display: none; }\nhtml[lang=\"en\"] [data-lang=\"zh\"] { display: none; }\nhtml[lang=\"en\"] [data-lang=\"en\"] { display: inline; }\n\n\/* For block elements *\/\nh2 [data-lang=\"en\"], h3 [data-lang=\"en\"], p [data-lang=\"en\"], li [data-lang=\"en\"], th [data-lang=\"en\"], td [data-lang=\"en\"], div [data-lang=\"en\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] h2 [data-lang=\"zh\"], html[lang=\"en\"] h3 [data-lang=\"zh\"], html[lang=\"en\"] p [data-lang=\"zh\"], html[lang=\"en\"] li [data-lang=\"zh\"], html[lang=\"en\"] th [data-lang=\"zh\"], html[lang=\"en\"] td [data-lang=\"zh\"], html[lang=\"en\"] div [data-lang=\"zh\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] h2 [data-lang=\"en\"], html[lang=\"en\"] h3 [data-lang=\"en\"], html[lang=\"en\"] p [data-lang=\"en\"], html[lang=\"en\"] li [data-lang=\"en\"], html[lang=\"en\"] th [data-lang=\"en\"], html[lang=\"en\"] td [data-lang=\"en\"], html[lang=\"en\"] div [data-lang=\"en\"] {\n display: inline;\n}\n\n\/* Inline fix for block-level multilingual wrappers *\/\n.toc h2 span, .cover h1 span, .cover .subtitle span, .cover .desc span, section h2 span, section h3 span, .code-label span, .entity-name-cn span, .stat-label span {\n display: inline;\n}\n\nhtml[lang=\"en\"] .toc h2 [data-lang=\"zh\"], html[lang=\"en\"] .cover h1 [data-lang=\"zh\"], html[lang=\"en\"] .cover .subtitle [data-lang=\"zh\"], html[lang=\"en\"] .cover .desc [data-lang=\"zh\"], html[lang=\"en\"] section h2 [data-lang=\"zh\"], html[lang=\"en\"] section h3 [data-lang=\"zh\"], html[lang=\"en\"] .code-label [data-lang=\"zh\"], html[lang=\"en\"] .entity-name-cn [data-lang=\"zh\"], html[lang=\"en\"] .stat-label [data-lang=\"zh\"] {\n display: none;\n}\n\nhtml[lang=\"en\"] .toc h2 [data-lang=\"en\"], html[lang=\"en\"] .cover h1 [data-lang=\"en\"], html[lang=\"en\"] .cover .subtitle [data-lang=\"en\"], html[lang=\"en\"] .cover .desc [data-lang=\"en\"], html[lang=\"en\"] section h2 [data-lang=\"en\"], html[lang=\"en\"] section h3 [data-lang=\"en\"], html[lang=\"en\"] .code-label [data-lang=\"en\"], html[lang=\"en\"] .entity-name-cn [data-lang=\"en\"], html[lang=\"en\"] .stat-label [data-lang=\"en\"] {\n display: inline;\n}\n<\/style>\n<\/head>\n<body>\n\n\n<div class=\"lang-bar\">\n <button id=\"btn-zh\" class=\"active\" onclick=\"switchLanguage('zh')\">\n \u4e2d\u6587<\/span>Chinese<\/span>\n <\/button>\n <button id=\"btn-en\" onclick=\"switchLanguage('en')\">\n English<\/span>English<\/span>\n <\/button>\n<\/div>\n\n<div class=\"container\">\n\n\n<div class=\"cover\">\n <h1>DXF \u7ec4\u7801\u5b8c\u5168\u53c2\u8003\u624b\u518c<\/span>DXF Group Codes Complete Reference Manual<\/span><\/h1>\n <div class=\"subtitle\">DXF Reference<\/div>\n <div class=\"desc\">\u6db5\u76d6 AutoCAD DXF \u6587\u4ef6\u683c\u5f0f\u7684\u6240\u6709\u7ec4\u7801\u5b9a\u4e49\u3001\u6570\u636e\u7c7b\u578b\u3001\u5b9e\u4f53\u7f16\u7801\u89c4\u5219\u4e0e\u5206\u7c7b\u8be6\u89e3<\/span>Comprehensive reference covering all group code definitions, data types, entity encoding rules, and classifications for AutoCAD DXF files<\/span><\/div>\n <div class=\"search-box\">\n <input type=\"text\" id=\"searchInput\" placeholder=\"\u641c\u7d22\u7ec4\u7801\u6216\u5173\u952e\u8bcd...\" data-placeholder-zh=\"\u641c\u7d22\u7ec4\u7801\u6216\u5173\u952e\u8bcd...\" data-placeholder-en=\"Search group code or keyword...\">\n <\/div>\n<\/div>\n\n\n<nav class=\"toc\">\n <h2>\u76ee\u5f55<\/span>Table of Contents<\/span><\/h2>\n <ol>\n <li><a href=\"#datatype\">\u6570\u636e\u7c7b\u578b\u603b\u8868<\/span>Data Type Summary<\/span><\/a><\/li>\n <li><a href=\"#special\">\u7279\u6b8a\/\u5185\u90e8\u7ec4\u7801<\/span>Special \/ Internal Codes<\/span><\/a><\/li>\n <li><a href=\"#common\">\u901a\u7528\u5b9e\u4f53\u7ec4\u7801 (0~99)<\/span>Common Entity Codes (0-99)<\/span><\/a><\/li>\n <li><a href=\"#subclass\">\u5b50\u7c7b\u6807\u8bb0\u4e0e\u5bf9\u8c61\u5f15\u7528 (100~399)<\/span>Subclass Markers & Object References (100-399)<\/span><\/a><\/li>\n <li><a href=\"#color\">\u989c\u8272\u4e0e\u6253\u5370\u6837\u5f0f (400~479)<\/span>Color & Plot Style (400-479)<\/span><\/a><\/li>\n <li><a href=\"#xdata\">\u6269\u5c55\u6570\u636e XDATA (1000~1071)<\/span>Extended Data XDATA (1000-1071)<\/span><\/a><\/li>\n <li><a href=\"#entities\">\u5b9e\u4f53\u7ec4\u7801\u8be6\u89e3<\/span>Entity Group Codes Detail<\/span><\/a><\/li>\n <li><a href=\"#all-entities\">\u5168\u90e8\u5b9e\u4f53\u7c7b\u578b\u5217\u8868<\/span>Complete Entity Type List<\/span><\/a><\/li>\n <li><a href=\"#section-struct\">DXF \u6587\u4ef6\u8282\u7ed3\u6784<\/span>DXF File Section Structure<\/span><\/a><\/li>\n <\/ol>\n<\/nav>\n\n\n<div class=\"stats-bar\">\n <div class=\"stat-card\">\n <div class=\"stat-num\">200+<\/div>\n <div class=\"stat-label\">\u5df2\u5b9a\u4e49\u7ec4\u7801<\/span>Defined Group Codes<\/span><\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"stat-num\">18<\/div>\n <div class=\"stat-label\">\u6570\u636e\u7c7b\u578b<\/span>Data Types<\/span><\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"stat-num\">30+<\/div>\n <div class=\"stat-label\">\u5b9e\u4f53\u7c7b\u578b<\/span>Entity Types<\/span><\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"stat-num\">6<\/div>\n <div class=\"stat-label\">DXF \u6587\u4ef6\u8282<\/span>DXF Sections<\/span><\/div>\n <\/div>\n<\/div>\n\n<section class=\"section\" id=\"datatype\">\n\n<div class=\"section-icon\">\ud83d\udcd0<\/div>\n<h2>\u6570\u636e\u7c7b\u578b\u603b\u8868<\/span>Data Type Summary<\/span><\/h2>\n\nDXF \u4e2d\u6bcf\u4e2a\u7ec4\u7801\u8303\u56f4\u5bf9\u5e94\u56fa\u5b9a\u7684\u6570\u636e\u7c7b\u578b\u3002\u4e0b\u8868\u5217\u51fa\u6240\u6709\u7ec4\u7801\u8303\u56f4\u53ca\u5176\u5bf9\u5e94\u7684\u6570\u636e\u7c7b\u578b\u3002<\/span>Each group code range in DXF maps to a fixed data type. The following table lists all ranges and their corresponding types.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u7ec4\u7801\u8303\u56f4<\/span>Code Range<\/span><\/th>\n<th>\u6570\u636e\u7c7b\u578b<\/span>Data Type<\/span><\/th>\n<th>\u8bf4\u660e<\/span>Description<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td>-5 ~ -1<\/span><\/td><td>\u7279\u6b8a<\/span><\/td><td>\u4ec5\u5728 AutoLISP\/ObjectARX \u4e2d\u4f7f\u7528<\/span>Used only in AutoLISP\/ObjectARX<\/span><\/td><\/tr>\n<tr><td>0 ~ 9<\/span><\/td><td>String<\/span><\/td><td>\u5b57\u7b26\u4e32\uff0cAutoCAD 2000 \u8d77\u4e0a\u9650 2049 \u5b57\u7b26<\/span>String, max 2049 chars since AutoCAD 2000<\/span><\/td><\/tr>\n<tr><td>10 ~ 39<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u4e09\u7ef4\u70b9\uff08X=10, Y=20, Z=30 \u7cfb\u5217\uff09<\/span>Double precision 3D point (X=10, Y=20, Z=30 series)<\/span><\/td><\/tr>\n<tr><td>40 ~ 59<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u503c\uff08\u534a\u5f84\u3001\u9ad8\u5ea6\u3001\u89d2\u5ea6\u7b49\u6807\u91cf\uff09<\/span>Double precision float (radius, height, angles, etc.)<\/span><\/td><\/tr>\n<tr><td>60 ~ 79<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570\uff08\u6807\u5fd7\u4f4d\u3001\u6a21\u5f0f\u3001\u91cd\u590d\u8ba1\u6570\uff09<\/span>16-bit integer (flags, modes, repeat counts)<\/span><\/td><\/tr>\n<tr><td>90 ~ 99<\/span><\/td><td>Int32<\/span><\/td><td>32 \u4f4d\u6574\u6570\uff08\u9876\u70b9\u6570\u3001\u5143\u7d20\u6570\u91cf\u7b49\uff09<\/span>32-bit integer (vertex counts, element counts)<\/span><\/td><\/tr>\n<tr><td>100<\/span><\/td><td>String<\/span><\/td><td>\u5b50\u7c7b\u6807\u8bb0\uff08Subclass Marker\uff09\uff0c\u5982 “AcDbCircle”<\/span>Subclass Marker, e.g. “AcDbCircle”<\/span><\/td><\/tr>\n<tr><td>102<\/span><\/td><td>String<\/span><\/td><td>\u63a7\u5236\u5b57\u7b26\u4e32 “{name}” \/ “}”<\/span>Control string “{name}” \/ “}”<\/span><\/td><\/tr>\n<tr><td>105<\/span><\/td><td>Handle<\/span><\/td><td>DIMVAR \u7b26\u53f7\u8868\u5bf9\u8c61\u53e5\u67c4<\/span>DIMVAR symbol table object handle<\/span><\/td><\/tr>\n<tr><td>110 ~ 139<\/span><\/td><td>Double<\/span><\/td><td>UCS \u539f\u70b9\/\u8f74\u65b9\u5411\u5411\u91cf\uff08X=110, Y=120, Z=130\uff09<\/span>UCS origin\/axis direction (X=110, Y=120, Z=130)<\/span><\/td><\/tr>\n<tr><td>140 ~ 149<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u6807\u91cf\u503c\uff08DIMSTYLE \u8bbe\u7f6e\u7b49\uff09<\/span>Double precision scalar (DIMSTYLE settings, etc.)<\/span><\/td><\/tr>\n<tr><td>170 ~ 179<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570\uff08DIMSTYLE \u6807\u5fd7\u4f4d\uff09<\/span>16-bit integer (DIMSTYLE flags)<\/span><\/td><\/tr>\n<tr><td>210 ~ 239<\/span><\/td><td>Double<\/span><\/td><td>\u62c9\u4f38\u65b9\u5411\u5411\u91cf\uff08X=210, Y=220, Z=230\uff09<\/span>Extrusion direction vector (X=210, Y=220, Z=230)<\/span><\/td><\/tr>\n<tr><td>270 ~ 289<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570\uff08\u6742\u9879\u6807\u5fd7\uff09<\/span>16-bit integer (miscellaneous flags)<\/span><\/td><\/tr>\n<tr><td>290 ~ 299<\/span><\/td><td>Boolean<\/span><\/td><td>\u5e03\u5c14\u6807\u5fd7\u503c\uff080=False, 1=True\uff09<\/span>Boolean flag (0=False, 1=True)<\/span><\/td><\/tr>\n<tr><td>300 ~ 309<\/span><\/td><td>String<\/span><\/td><td>\u4efb\u610f\u5b57\u7b26\u4e32<\/span>Arbitrary string<\/span><\/td><\/tr>\n<tr><td>310 ~ 319<\/span><\/td><td>Binary<\/span><\/td><td>\u4e8c\u8fdb\u5236\u6570\u636e\u5757\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff0c\u6700\u591a 127 \u5b57\u8282\uff09<\/span>Binary chunk (hex string, max 127 bytes)<\/span><\/td><\/tr>\n<tr><td>320 ~ 329<\/span><\/td><td>Handle<\/span><\/td><td>\u539f\u59cb\u53e5\u67c4\u503c\uff08INSERT\/XREF \u65f6\u4e0d\u8f6c\u6362\uff09<\/span>Raw handle (no translation on INSERT\/XREF)<\/span><\/td><\/tr>\n<tr><td>330 ~ 339<\/span><\/td><td>Soft Ptr<\/span><\/td><td>\u8f6f\u6307\u9488\u53e5\u67c4\uff08\u6307\u5411\u5176\u4ed6\u5bf9\u8c61\u7684\u5f15\u7528\uff09<\/span>Soft pointer handle (reference to other objects)<\/span><\/td><\/tr>\n<tr><td>340 ~ 349<\/span><\/td><td>Hard Ptr<\/span><\/td><td>\u786c\u6307\u9488\u53e5\u67c4\uff08\u5f3a\u5f15\u7528\uff0c\u4e0d\u53ef\u4e3a NULL\uff09<\/span>Hard pointer handle (strong reference, non-NULL)<\/span><\/td><\/tr>\n<tr><td>350 ~ 359<\/span><\/td><td>Soft Own<\/span><\/td><td>\u8f6f\u6240\u6709\u8005\u53e5\u67c4<\/span>Soft owner handle<\/span><\/td><\/tr>\n<tr><td>360 ~ 369<\/span><\/td><td>Hard Own<\/span><\/td><td>\u786c\u6240\u6709\u8005\u53e5\u67c4<\/span>Hard owner handle<\/span><\/td><\/tr>\n<tr><td>370 ~ 379<\/span><\/td><td>Int16<\/span><\/td><td>\u7ebf\u5bbd\u679a\u4e3e\u503c\uff08LineWeight\uff09<\/span>Lineweight enum value<\/span><\/td><\/tr>\n<tr><td>380 ~ 389<\/span><\/td><td>Int16<\/span><\/td><td>\u6253\u5370\u6837\u5f0f\u540d\u7c7b\u578b\u679a\u4e3e<\/span>Plot style name type enum<\/span><\/td><\/tr>\n<tr><td>390 ~ 399<\/span><\/td><td>Handle<\/span><\/td><td>\u6253\u5370\u6837\u5f0f\u5bf9\u8c61\u53e5\u67c4<\/span>Plot style object handle<\/span><\/td><\/tr>\n<tr><td>400 ~ 409<\/span><\/td><td>Int16<\/span><\/td><td>16 \u4f4d\u6574\u6570<\/span>16-bit integer<\/span><\/td><\/tr>\n<tr><td>410 ~ 419<\/span><\/td><td>String<\/span><\/td><td>\u5e94\u7528\u7a0b\u5e8f\u540d\u79f0\uff08\u5982 “ACAD”\uff09<\/span>Application name (e.g. “ACAD”)<\/span><\/td><\/tr>\n<tr><td>420 ~ 429<\/span><\/td><td>Int32<\/span><\/td><td>\u771f\u5f69\u8272\u503c\uff080x00RRGGBB\uff09<\/span>True color value (0x00RRGGBB)<\/span><\/td><\/tr>\n<tr><td>430 ~ 439<\/span><\/td><td>String<\/span><\/td><td>\u989c\u8272\u540d\u79f0<\/span>Color name<\/span><\/td><\/tr>\n<tr><td>440 ~ 449<\/span><\/td><td>Int32<\/span><\/td><td>\u900f\u660e\u5ea6\u503c<\/span>Transparency value<\/span><\/td><\/tr>\n<tr><td>450 ~ 459<\/span><\/td><td>Int64<\/span><\/td><td>64 \u4f4d\u957f\u6574\u6570<\/span>64-bit long integer<\/span><\/td><\/tr>\n<tr><td>460 ~ 469<\/span><\/td><td>Double<\/span><\/td><td>\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u503c<\/span>Double precision float<\/span><\/td><\/tr>\n<tr><td>470 ~ 479<\/span><\/td><td>String<\/span><\/td><td>\u5b57\u7b26\u4e32<\/span>String<\/span><\/td><\/tr>\n<tr><td>999<\/span><\/td><td>String<\/span><\/td><td>DXF \u6ce8\u91ca\uff08OPEN \u5ffd\u7565\uff0cSAVEAS \u4e0d\u8f93\u51fa\uff09<\/span>DXF comment (ignored by OPEN, not output by SAVEAS)<\/span><\/td><\/tr>\n<tr><td>1000 ~ 1009<\/span><\/td><td>String<\/span><\/td><td>\u6269\u5c55\u6570\u636e XDATA \u5b57\u7b26\u4e32<\/span>XDATA string<\/span><\/td><\/tr>\n<tr><td>1010 ~ 1059<\/span><\/td><td>Double<\/span><\/td><td>XDATA \u4e2d\u7684\u70b9\/\u6d6e\u70b9\u503c<\/span>XDATA point\/float values<\/span><\/td><\/tr>\n<tr><td>1060 ~ 1070<\/span><\/td><td>Int16<\/span><\/td><td>XDATA \u4e2d\u7684\u6574\u6570\u503c<\/span>XDATA integer values<\/span><\/td><\/tr>\n<tr><td>1071<\/span><\/td><td>Int32<\/span><\/td><td>XDATA \u4e2d\u7684\u957f\u6574\u6570\u503c<\/span>XDATA long integer<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"tip-box\">\n\u4e09\u7ef4\u70b9\u89c4\u5219<\/span>3D Point Rule<\/span><\/strong>\n\u7ec4\u7801 10~39 \u91c7\u7528 X\/Y\/Z \u62c6\u5206\u7f16\u7801\uff1aX \u7ec4\u7801 = \u57fa\u503c\uff08\u5982 10\uff09\uff0cY \u7ec4\u7801 = \u57fa\u503c + 10\uff08\u5982 20\uff09\uff0cZ \u7ec4\u7801 = \u57fa\u503c + 20\uff08\u5982 30\uff09\u3002\u82e5\u7701\u7565 Z\uff0c\u9ed8\u8ba4\u503c\u4e3a 0\u3002<\/span>Group codes 10-39 use X\/Y\/Z split encoding: X code = base (e.g. 10), Y code = base + 10 (e.g. 20), Z code = base + 20 (e.g. 30). If Z is omitted, default is 0.<\/span><\/span>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"special\">\n\n<div class=\"section-icon\">\ud83d\udd12<\/div>\n<h2>\u7279\u6b8a\/\u5185\u90e8\u7ec4\u7801<\/span>Special \/ Internal Codes<\/span><\/h2>\n\n\u8fd9\u4e9b\u7ec4\u7801\u4ec5\u7528\u4e8e AutoLISP \u548c ObjectARX \u5e94\u7528\u7a0b\u5e8f\u5185\u90e8\uff0c\u4e0d\u4f1a\u51fa\u73b0\u5728 DXF \u6587\u4ef6\u4e2d\u3002<\/span>These codes are used internally by AutoLISP and ObjectARX applications and do not appear in DXF files.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>-5<\/span><\/td><td>Persistent Reactor Chain<\/span>Persistent Reactor Chain<\/span><\/td><td>\u6c38\u4e45\u53cd\u5e94\u5668\u94fe<\/span>Persistent Reactor Chain<\/span><\/td><\/tr>\n<tr><td>-4<\/span><\/td><td>Conditional Operator (ssget)<\/span>Conditional Operator (ssget)<\/span><\/td><td>\u6761\u4ef6\u8fd0\u7b97\u7b26\uff08\u4ec5 ssget \u4f7f\u7528\uff09<\/span>Conditional Operator (ssget only)<\/span><\/td><\/tr>\n<tr><td>-3<\/span><\/td><td>XDATA Marker<\/span>XDATA Marker<\/span><\/td><td>\u6269\u5c55\u6570\u636e\u6807\u8bb0<\/span>XDATA Marker<\/span><\/td><\/tr>\n<tr><td>-2<\/span><\/td><td>Entity Name Reference<\/span>Entity Name Reference<\/span><\/td><td>\u56fe\u5143\u540d\u53c2\u7167<\/span>Entity Name Reference<\/span><\/td><\/tr>\n<tr><td>-1<\/span><\/td><td>Entity Name<\/span>Entity Name<\/span><\/td><td>\u56fe\u5143\u540d\uff08\u8fd0\u884c\u65f6\u52a8\u6001\u5206\u914d\uff09<\/span>Entity name (runtime dynamic)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"common\">\n\n<div class=\"section-icon\">\u2699\ufe0f<\/div>\n<h2>\u901a\u7528\u5b9e\u4f53\u7ec4\u7801 (0~99)<\/span>Common Entity Codes (0-99)<\/span><\/h2>\n\n\u6bcf\u4e2a\u56fe\u5f62\u5b9e\u4f53\uff08\u56fe\u5143\uff09\u5171\u6709\u7684\u5c5e\u6027\u7ec4\u7801\u3002\u6807\u6ce8\u4e3a”\u56fa\u5b9a”\u7684\u7ec4\u7801\u51e0\u4e4e\u5728\u6bcf\u4e2a\u5b9e\u4f53\u4e2d\u51fa\u73b0\u3002<\/span>Attribute codes common to every graphical entity. Codes marked “fixed” appear in nearly every entity.<\/span><\/p>\n\n<div class=\"filter-bar\">\n<button class=\"filter-chip active\" data-filter=\"all\" onclick=\"filterTable('common-table','all')\">\u5168\u90e8<\/span>All<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"string\" onclick=\"filterTable('common-table','string')\">\u5b57\u7b26\u4e32<\/span>String<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"point\" onclick=\"filterTable('common-table','point')\">\u5750\u6807\u70b9<\/span>Point<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"float\" onclick=\"filterTable('common-table','float')\">\u6d6e\u70b9\u503c<\/span>Float<\/span><\/button>\n<button class=\"filter-chip\" data-filter=\"integer\" onclick=\"filterTable('common-table','integer')\">\u6574\u6570<\/span>Integer<\/span><\/button>\n<\/div>\n<div class=\"table-wrap\">\n<table id=\"common-table\">\n<thead>\n<tr>\n<th>\u7ec4\u7801<\/span>Code<\/span><\/th>\n<th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th>\n<th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th>\n<th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th>\n<th>\u56fa\u5b9a<\/span>Fixed<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-cat=\"string\"><td>0<\/span><\/td><td>Entity Type<\/td><td>\u5b9e\u4f53\u7c7b\u578b\uff08\u5982 LINE, CIRCLE \u7b49\uff09<\/span>Entity type (e.g. LINE, CIRCLE)<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>1<\/span><\/td><td>Primary Text Value<\/td><td>\u5b9e\u4f53\u7684\u4e3b\u6587\u5b57\u503c<\/span>Primary text value of entity<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>2<\/span><\/td><td>Name<\/td><td>\u540d\u79f0\uff08\u5c5e\u6027\u6807\u8bb0\u3001\u5757\u540d\u3001\u6807\u6ce8\u6837\u5f0f\u540d\u7b49\uff09<\/span>Name (attribute tag, block name, dimstyle, etc.)<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>3<\/span><\/td><td>Supplementary Text<\/td><td>\u8f85\u52a9\u6587\u672c\uff08\u5c5e\u6027\u63d0\u793a\u3001\u9644\u52a0\u6587\u5b57\u7b49\uff09<\/span>Supplementary text (attribute prompts, extra text)<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>4<\/span><\/td><td>Other Text\/Name<\/td><td>\u5176\u4ed6\u6587\u5b57\u6216\u540d\u79f0\u503c<\/span>Other text or name value<\/span><\/td><td>String<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"string\"><td>5<\/span><\/td><td>Handle<\/td><td>\u5b9e\u4f53\u53e5\u67c4\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff09<\/span>Entity handle (hex string)<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>6<\/span><\/td><td>Linetype Name<\/td><td>\u7ebf\u578b\u540d\u79f0<\/span>Linetype name<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>7<\/span><\/td><td>Text Style Name<\/td><td>\u6587\u5b57\u6837\u5f0f\u540d\u79f0<\/span>Text style name<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>8<\/span><\/td><td>Layer Name<\/td><td>\u56fe\u5c42\u540d\u79f0<\/span>Layer name<\/span><\/td><td>String<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"string\"><td>9<\/span><\/td><td>Variable Name Identifier<\/td><td>DXF HEADER \u6bb5\u53d8\u91cf\u540d\uff08\u5982 $ACADVER\uff09<\/span>DXF HEADER variable name (e.g. $ACADVER)<\/span><\/td><td>String<\/span><\/td><td>\u4ec5 HEADER<\/span>HEADER only<\/span><\/td><\/tr>\n<tr data-cat=\"point\"><td>10<\/span><\/td><td>Primary Point X<\/td><td>\u4e3b\u70b9 X\uff08\u5706\u5fc3\u3001\u8d77\u70b9\u3001\u63d2\u5165\u70b9\u7b49\uff09<\/span>Primary point X (center, start, insert point)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>11<\/span><\/td><td>Other Point X<\/td><td>\u5176\u4ed6\u70b9 X\uff08\u7ec8\u70b9\u3001\u7b2c\u4e8c\u70b9\u7b49\uff09<\/span>Other point X (end point, second point)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>12<\/span><\/td><td>Other Point X<\/td><td>\u5176\u4ed6\u70b9 X<\/span>Other point X<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>13~18<\/span><\/td><td>Other Points X<\/td><td>\u5176\u4ed6\u70b9 X \u503c\uff08\u6807\u6ce8\u5b9a\u4e49\u70b9\u7b49\uff09<\/span>Other point X values (dimension definition points)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>20<\/span><\/td><td>Primary Point Y<\/td><td>\u4e3b\u70b9 Y<\/span>Primary point Y<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>21~28<\/span><\/td><td>Other Points Y<\/td><td>\u5176\u4ed6\u70b9 Y \u503c<\/span>Other point Y values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>30<\/span><\/td><td>Primary Point Z<\/td><td>\u4e3b\u70b9 Z<\/span>Primary point Z<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"point\"><td>31~37<\/span><\/td><td>Other Points Z<\/td><td>\u5176\u4ed6\u70b9 Z \u503c<\/span>Other point Z values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>38<\/span><\/td><td>Entity Elevation<\/td><td>\u5b9e\u4f53\u6807\u9ad8\uff08\u975e\u96f6\u65f6\u6709\u6548\uff09<\/span>Entity elevation (when non-zero)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>39<\/span><\/td><td>Entity Thickness<\/td><td>\u5b9e\u4f53\u539a\u5ea6\uff08\u975e\u96f6\u65f6\u6709\u6548\uff09<\/span>Entity thickness (when non-zero)<\/span><\/td><td>Double<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"float\"><td>40<\/span><\/td><td>Double Float Value<\/td><td>\u6d6e\u70b9\u503c\uff08\u534a\u5f84\u3001\u9ad8\u5ea6\u3001\u7f29\u653e\u7b49\uff09<\/span>Float value (radius, height, scale)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>41<\/span><\/td><td>Double Float Value<\/td><td>X \u65b9\u5411\u7f29\u653e\u3001\u5bbd\u5ea6\u7b49<\/span>X scale factor, width<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>42<\/span><\/td><td>Double Float Value<\/td><td>\u51f8\u5ea6\uff08LWPOLYLINE\uff09\u3001Y \u7f29\u653e\u7b49<\/span>Bulge (LWPOLYLINE), Y scale<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>43<\/span><\/td><td>Double Float Value<\/td><td>Z \u65b9\u5411\u7f29\u653e\u3001\u5217\u95f4\u8ddd\u7b49<\/span>Z scale, column spacing<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>44<\/span><\/td><td>Double Float Value<\/td><td>\u6807\u6ce8\u7bad\u5934\u5927\u5c0f\u7b49<\/span>Dimension arrow size<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>45~47<\/span><\/td><td>Double Float Value<\/td><td>\u5176\u4ed6\u6807\u91cf\u503c<\/span>Other scalar values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>48<\/span><\/td><td>Linetype Scale<\/td><td>\u7ebf\u578b\u6bd4\u4f8b<\/span>Linetype scale factor<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>49<\/span><\/td><td>Repeated Double Value<\/td><td>\u91cd\u590d\u6d6e\u70b9\u503c\uff08\u5982\u7ebf\u578b\u865a\u7ebf\u957f\u5ea6\uff09<\/span>Repeated float (e.g. linetype dash lengths)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>50<\/span><\/td><td>Angle (degrees)<\/td><td>\u89d2\u5ea6\u503c\uff08DXF \u4e2d\u4ee5\u5ea6\u4e3a\u5355\u4f4d\uff09<\/span>Angle in degrees<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>51<\/span><\/td><td>Angle (degrees)<\/td><td>\u89d2\u5ea6\u503c\uff08\u7ec8\u70b9\u89d2\u5ea6\u7b49\uff09<\/span>Angle (end angle, etc.)<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"float\"><td>52~58<\/span><\/td><td>Angle (degrees)<\/td><td>\u5176\u4ed6\u89d2\u5ea6\u503c<\/span>Other angle values<\/span><\/td><td>Double<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>60<\/span><\/td><td>Entity Visibility<\/td><td>\u5b9e\u4f53\u53ef\u89c1\u6027\uff080=\u53ef\u89c1, 1=\u4e0d\u53ef\u89c1\uff09<\/span>Visibility (0=visible, 1=invisible)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>62<\/span><\/td><td>Color Number<\/td><td>\u989c\u8272\u53f7\uff080=ByBlock, 256=ByLayer\uff09<\/span>Color number (0=ByBlock, 256=ByLayer)<\/span><\/td><td>Int16<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"integer\"><td>66<\/span><\/td><td>Entity Follow Flag<\/td><td>\u5b9e\u4f53\u8ddf\u968f\u6807\u5fd7\uff08\u5982 VERTEX \u8ddf\u968f POLYLINE\uff09<\/span>Entity follow flag (e.g. VERTEX follows POLYLINE)<\/span><\/td><td>Int16<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"integer\"><td>67<\/span><\/td><td>Space Flag<\/td><td>\u7a7a\u95f4\u6807\u5fd7\uff080=\u6a21\u578b\u7a7a\u95f4, 1=\u56fe\u7eb8\u7a7a\u95f4\uff09<\/span>Space flag (0=model space, 1=paper space)<\/span><\/td><td>Int16<\/span><\/td><td>\u662f<\/span>Yes<\/span><\/td><\/tr>\n<tr data-cat=\"integer\"><td>68<\/span><\/td><td>Viewport State<\/td><td>\u89c6\u53e3\u72b6\u6001\uff08\u6253\u5f00\/\u5173\u95ed\/\u672a\u6fc0\u6d3b\uff09<\/span>Viewport state (on\/off\/not active)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>69<\/span><\/td><td>Viewport Number<\/td><td>\u89c6\u53e3\u6807\u8bc6\u53f7<\/span>Viewport identification number<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>70<\/span><\/td><td>Integer Value<\/td><td>\u6574\u6570\u503c\uff08\u6807\u5fd7\u4f4d\u3001\u91cd\u590d\u8ba1\u6570\u3001\u95ed\u5408\u6807\u5fd7\u7b49\uff09<\/span>Integer (flags, repeat count, closed flag)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>71~78<\/span><\/td><td>Integer Values<\/td><td>\u6574\u6570\u503c\uff08\u5217\u6570\/\u884c\u6570\u3001\u6807\u6ce8\u7c7b\u578b\u3001\u6587\u5b57\u5bf9\u9f50\u7b49\uff09<\/span>Integer (col\/row count, dim type, text alignment)<\/span><\/td><td>Int16<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>90<\/span><\/td><td>32-bit Integer<\/td><td>32 \u4f4d\u6574\u6570\uff08\u9876\u70b9\u603b\u6570\u7b49\uff09<\/span>32-bit integer (total vertex count)<\/span><\/td><td>Int32<\/span><\/td><td>–<\/td><\/tr>\n<tr data-cat=\"integer\"><td>91~99<\/span><\/td><td>32-bit Integers<\/td><td>32 \u4f4d\u6574\u6570<\/span>32-bit integers<\/span><\/td><td>Int32<\/span><\/td><td>–<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"no-results\">\u672a\u627e\u5230\u5339\u914d\u7684\u7ec4\u7801<\/span>No matching group codes found<\/span><\/div>\n<\/section>\n\n<section class=\"section\" id=\"subclass\">\n\n<div class=\"section-icon\">\ud83d\udd17<\/div>\n<h2>\u5b50\u7c7b\u6807\u8bb0\u4e0e\u5bf9\u8c61\u5f15\u7528 (100~399)<\/span>Subclass Markers & Object References (100-399)<\/span><\/h2>\n\n\u5b50\u7c7b\u6807\u8bb0\u7528\u4e8e\u6807\u8bc6\u5b9e\u4f53\u6240\u5c5e\u7684 DXF \u7c7b\u5c42\u6b21\uff0c\u5bf9\u8c61\u5f15\u7528\u7ec4\u7801\u7528\u4e8e\u5efa\u7acb\u5b9e\u4f53\u95f4\u7684\u5173\u7cfb\u94fe\u63a5\u3002<\/span>Subclass markers identify the DXF class hierarchy of entities. Object reference codes establish relationship links between entities.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>100<\/span><\/td><td>Subclass Marker<\/td><td>\u5b50\u7c7b\u6570\u636e\u6807\u8bb0\uff08\u5982 “AcDbEntity”, “AcDbCircle”\uff09<\/span>Subclass data marker (e.g. “AcDbEntity”, “AcDbCircle”)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>102<\/span><\/td><td>Control String<\/td><td>\u63a7\u5236\u5b57\u7b26\u4e32 “{<name>}” \u6216 “}”<\/span>Control string “{<name>}” or “}”<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>105<\/span><\/td><td>Object Handle (DIMVAR)<\/td><td>DIMVAR \u7b26\u53f7\u8868\u6761\u76ee\u5bf9\u8c61\u53e5\u67c4<\/span>DIMVAR symbol table entry handle<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<tr><td>110<\/span><\/td><td>UCS Origin X<\/td><td>UCS \u539f\u70b9 X \u503c<\/span>UCS origin X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>111<\/span><\/td><td>UCS X-Axis X<\/td><td>UCS X \u8f74\u65b9\u5411 X \u5206\u91cf<\/span>UCS X-axis direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>112<\/span><\/td><td>UCS Y-Axis X<\/td><td>UCS Y \u8f74\u65b9\u5411 X \u5206\u91cf<\/span>UCS Y-axis direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>120~122<\/span><\/td><td>UCS Origin\/Axis Y<\/td><td>UCS \u539f\u70b9\/\u8f74 Y \u503c<\/span>UCS origin\/axis Y<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>130~132<\/span><\/td><td>UCS Origin\/Axis Z<\/td><td>UCS \u539f\u70b9\/\u8f74 Z \u503c<\/span>UCS origin\/axis Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>140~149<\/span><\/td><td>Scalar Float Values<\/td><td>\u53cc\u7cbe\u5ea6\u6807\u91cf\u503c\uff08DIMSTYLE \u8bbe\u7f6e\u7b49\uff09<\/span>Scalar floats (DIMSTYLE settings)<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>170~179<\/span><\/td><td>16-bit Integers<\/td><td>16 \u4f4d\u6574\u6570\uff08DIMSTYLE \u6807\u5fd7\u4f4d\uff09<\/span>16-bit integers (DIMSTYLE flags)<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>210<\/span><\/td><td>Extrusion Direction X<\/td><td>\u62c9\u4f38\u65b9\u5411 X \u5206\u91cf<\/span>Extrusion direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>220<\/span><\/td><td>Extrusion Direction Y<\/td><td>\u62c9\u4f38\u65b9\u5411 Y \u5206\u91cf<\/span>Extrusion direction Y<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>230<\/span><\/td><td>Extrusion Direction Z<\/td><td>\u62c9\u4f38\u65b9\u5411 Z \u5206\u91cf<\/span>Extrusion direction Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>270~279<\/span><\/td><td>16-bit Integers<\/td><td>\u6742\u9879 16 \u4f4d\u6574\u6570\u6807\u5fd7<\/span>Miscellaneous 16-bit flags<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>280~289<\/span><\/td><td>16-bit Integers<\/td><td>\u6742\u9879 16 \u4f4d\u6574\u6570\u6807\u5fd7<\/span>Miscellaneous 16-bit flags<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>290~299<\/span><\/td><td>Boolean Flags<\/td><td>\u5e03\u5c14\u6807\u5fd7\u503c\uff080=False, 1=True\uff09<\/span>Boolean flags (0=False, 1=True)<\/span><\/td><td>Boolean<\/span><\/td><\/tr>\n<tr><td>300~309<\/span><\/td><td>Arbitrary Strings<\/td><td>\u4efb\u610f\u5b57\u7b26\u4e32<\/span>Arbitrary strings<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>310~319<\/span><\/td><td>Binary Data Chunks<\/td><td>\u4e8c\u8fdb\u5236\u6570\u636e\u5757\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff0c\u6700\u591a 127 \u5b57\u8282\uff09<\/span>Binary data (hex string, max 127 bytes)<\/span><\/td><td>Binary<\/span><\/td><\/tr>\n<tr><td>320~329<\/span><\/td><td>Hard Handles<\/td><td>\u539f\u59cb\u53e5\u67c4\u503c\uff08INSERT\/XREF \u65f6\u4e0d\u8f6c\u6362\uff09<\/span>Raw handles (no translation on INSERT\/XREF)<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<tr><td>330~339<\/span><\/td><td>Soft Pointers<\/td><td>\u8f6f\u6307\u9488\u53e5\u67c4\uff08\u6307\u5411\u5176\u4ed6\u5bf9\u8c61\u7684\u5f31\u5f15\u7528\uff09<\/span>Soft pointer (weak reference to other objects)<\/span><\/td><td>Soft Ptr<\/span><\/td><\/tr>\n<tr><td>340~349<\/span><\/td><td>Hard Pointers<\/td><td>\u786c\u6307\u9488\u53e5\u67c4\uff08\u5f3a\u5f15\u7528\uff0c\u4e0d\u53ef\u4e3a NULL\uff09<\/span>Hard pointer (strong reference, non-NULL)<\/span><\/td><td>Hard Ptr<\/span><\/td><\/tr>\n<tr><td>350~359<\/span><\/td><td>Soft Owners<\/td><td>\u8f6f\u6240\u6709\u8005\u53e5\u67c4<\/span>Soft owner handles<\/span><\/td><td>Soft Own<\/span><\/td><\/tr>\n<tr><td>360~369<\/span><\/td><td>Hard Owners<\/td><td>\u786c\u6240\u6709\u8005\u53e5\u67c4<\/span>Hard owner handles<\/span><\/td><td>Hard Own<\/span><\/td><\/tr>\n<tr><td>370<\/span><\/td><td>Lineweight<\/td><td>\u7ebf\u5bbd\u679a\u4e3e\u503c<\/span>Lineweight enum value<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>380<\/span><\/td><td>PlotStyleName Type<\/td><td>\u6253\u5370\u6837\u5f0f\u540d\u7c7b\u578b\u679a\u4e3e<\/span>Plot style name type enum<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>390<\/span><\/td><td>PlotStyleName Handle<\/td><td>\u6253\u5370\u6837\u5f0f\u5bf9\u8c61\u53e5\u67c4<\/span>Plot style object handle<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"color\">\n\n<div class=\"section-icon\">\ud83c\udfa8<\/div>\n<h2>\u989c\u8272\u4e0e\u6253\u5370\u6837\u5f0f (400~479)<\/span>Color & Plot Style (400-479)<\/span><\/h2>\n\n\u771f\u5f69\u8272\u3001\u989c\u8272\u540d\u79f0\u3001\u900f\u660e\u5ea6\u53ca\u6253\u5370\u6837\u5f0f\u76f8\u5173\u7ec4\u7801\u3002<\/span>Group codes for true color, color names, transparency, and plot styles.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>400~409<\/span><\/td><td>16-bit Integers<\/td><td>16 \u4f4d\u6574\u6570\uff08\u9884\u7559\uff09<\/span>16-bit integers (reserved)<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>410<\/span><\/td><td>App Name<\/td><td>\u5e94\u7528\u7a0b\u5e8f\u540d\u79f0\uff08\u5982 “ACAD”\uff09<\/span>Application name (e.g. “ACAD”)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>420<\/span><\/td><td>True Color (RGB)<\/td><td>\u771f\u5f69\u8272 32 \u4f4d\u503c (0x00RRGGBB)<\/span>True color 32-bit (0x00RRGGBB)<\/span><\/td><td>Int32<\/span><\/td><\/tr>\n<tr><td>430<\/span><\/td><td>Color Name<\/td><td>\u989c\u8272\u540d\u79f0\u5b57\u7b26\u4e32<\/span>Color name string<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>440<\/span><\/td><td>Transparency<\/td><td>\u900f\u660e\u5ea6\u503c<\/span>Transparency value<\/span><\/td><td>Int32<\/span><\/td><\/tr>\n<tr><td>450~459<\/span><\/td><td>Long Integers<\/td><td>64 \u4f4d\u957f\u6574\u6570<\/span>64-bit long integers<\/span><\/td><td>Int64<\/span><\/td><\/tr>\n<tr><td>460~469<\/span><\/td><td>Double Floats<\/td><td>\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u503c<\/span>Double precision floats<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>470~479<\/span><\/td><td>Strings<\/td><td>\u5b57\u7b26\u4e32<\/span>Strings<\/span><\/td><td>String<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"xdata\">\n\n<div class=\"section-icon\">\ud83d\udce6<\/div>\n<h2>\u6269\u5c55\u6570\u636e XDATA (1000~1071)<\/span>Extended Data XDATA (1000-1071)<\/span><\/h2>\n\n\u6269\u5c55\u6570\u636e\u662f\u5e94\u7528\u7a0b\u5e8f\u9644\u52a0\u5230 DXF \u5b9e\u4f53\u4e0a\u7684\u81ea\u5b9a\u4e49\u6570\u636e\uff0c\u4ee5\u7ec4\u7801 1000~1071 \u7f16\u7801\u3002<\/span>Extended data is custom data attached to DXF entities by applications, encoded with group codes 1000-1071.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u6570\u636e\u7c7b\u578b<\/span>Type<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1000<\/span><\/td><td>XDATA String<\/td><td>ASCII \u5b57\u7b26\u4e32\uff08\u6700\u591a 255 \u5b57\u8282\uff09<\/span>ASCII string (max 255 bytes)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1001<\/span><\/td><td>Registered App Name<\/td><td>\u6ce8\u518c\u7684\u5e94\u7528\u7a0b\u5e8f\u540d\uff08\u6700\u591a 31 \u5b57\u8282\uff09<\/span>Registered app name (max 31 bytes)<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1002<\/span><\/td><td>XDATA Control String<\/td><td>\u63a7\u5236\u5b57\u7b26\u4e32 “{” \u6216 “}”<\/span>Control string “{” or “}”<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1003<\/span><\/td><td>XDATA Layer Name<\/td><td>XDATA \u56fe\u5c42\u540d<\/span>XDATA layer name<\/span><\/td><td>String<\/span><\/td><\/tr>\n<tr><td>1004<\/span><\/td><td>XDATA Binary Chunk<\/td><td>\u4e8c\u8fdb\u5236\u6570\u636e\u5757\uff08\u6700\u591a 127 \u5b57\u8282\uff09<\/span>Binary chunk (max 127 bytes)<\/span><\/td><td>Binary<\/span><\/td><\/tr>\n<tr><td>1005<\/span><\/td><td>XDATA Handle<\/td><td>\u5b9e\u4f53\u53e5\u67c4\uff08\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff09<\/span>Entity handle (hex string)<\/span><\/td><td>Handle<\/span><\/td><\/tr>\n<tr><td>1010<\/span><\/td><td>XDATA Point<\/td><td>XDATA \u70b9 X \u503c<\/span>XDATA point X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1011<\/span><\/td><td>XDATA 3D World Position<\/td><td>\u4e16\u754c\u7a7a\u95f4\u4f4d\u7f6e X<\/span>3D world space position X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1012<\/span><\/td><td>XDATA 3D World Displacement<\/td><td>\u4e16\u754c\u7a7a\u95f4\u4f4d\u79fb X<\/span>3D world space displacement X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1013<\/span><\/td><td>XDATA 3D World Direction<\/td><td>\u4e16\u754c\u7a7a\u95f4\u65b9\u5411 X<\/span>3D world space direction X<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1020,1030<\/span><\/td><td>XDATA Point Y\/Z<\/td><td>XDATA \u70b9 Y\/Z \u503c<\/span>XDATA point Y\/Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1021~1033<\/span><\/td><td>XDATA Position Y\/Z<\/td><td>XDATA \u4f4d\u7f6e\/\u4f4d\u79fb\/\u65b9\u5411 Y\/Z<\/span>XDATA position\/displacement\/direction Y\/Z<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1040<\/span><\/td><td>XDATA Float<\/td><td>XDATA \u6d6e\u70b9\u503c<\/span>XDATA float value<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1041<\/span><\/td><td>XDATA Distance<\/td><td>XDATA \u8ddd\u79bb\u503c<\/span>XDATA distance value<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1042<\/span><\/td><td>XDATA Scale<\/td><td>XDATA \u7f29\u653e\u6bd4\u4f8b<\/span>XDATA scale factor<\/span><\/td><td>Double<\/span><\/td><\/tr>\n<tr><td>1070<\/span><\/td><td>XDATA 16-bit Integer<\/td><td>16 \u4f4d\u6709\u7b26\u53f7\u6574\u6570<\/span>16-bit signed integer<\/span><\/td><td>Int16<\/span><\/td><\/tr>\n<tr><td>1071<\/span><\/td><td>XDATA 32-bit Integer<\/td><td>32 \u4f4d\u6709\u7b26\u53f7\u957f\u6574\u6570<\/span>32-bit signed long integer<\/span><\/td><td>Int32<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"entities\">\n\n<div class=\"section-icon\">\ud83e\uddf1<\/div>\n<h2>\u5b9e\u4f53\u7ec4\u7801\u8be6\u89e3<\/span>Entity Group Codes Detail<\/span><\/h2>\n\n\u6bcf\u79cd DXF \u56fe\u5f62\u5b9e\u4f53\u6709\u81ea\u5df1\u7279\u6709\u7684\u7ec4\u7801\u7ec4\u5408\u3002\u4ee5\u4e0b\u6309\u5b9e\u4f53\u7c7b\u578b\u9010\u4e00\u5217\u51fa\u6240\u6709\u4e13\u5c5e\u7ec4\u7801\u3002<\/span>Each DXF entity type has its own specific combination of group codes. The following lists all dedicated codes by entity type.<\/span><\/p>\n<div class=\"entity-grid\">\n\n<div class=\"entity-card\" id=\"ent-line\">\n<div class=\"entity-card-header\">\nLINE<\/span>\n\u76f4\u7ebf<\/span>Line<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Start Point<\/td><td>\u8d77\u70b9 (\u914d\u5408 20,30)<\/span>Start point (with 20,30)<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>End Point<\/td><td>\u7ec8\u70b9 (\u914d\u5408 21,31)<\/span>End point (with 21,31)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-circle\">\n<div class=\"entity-card-header\">\nCIRCLE<\/span>\n\u5706<\/span>Circle<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Center Point<\/td><td>\u5706\u5fc3 (\u914d\u5408 20,30)<\/span>Center (with 20,30)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Radius<\/td><td>\u534a\u5f84<\/span>Radius<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-arc\">\n<div class=\"entity-card-header\">\nARC<\/span>\n\u5706\u5f27<\/span>Arc<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Center Point<\/td><td>\u5706\u5fc3 (\u914d\u5408 20,30)<\/span>Center (with 20,30)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Radius<\/td><td>\u534a\u5f84<\/span>Radius<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Start Angle<\/td><td>\u8d77\u59cb\u89d2\u5ea6\uff08\u5ea6\uff09<\/span>Start angle (degrees)<\/span><\/td><\/tr>\n<tr><td>51<\/span><\/td><td>End Angle<\/td><td>\u7ec8\u6b62\u89d2\u5ea6\uff08\u5ea6\uff09<\/span>End angle (degrees)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-text\">\n<div class=\"entity-card-header\">\nTEXT<\/span>\n\u5355\u884c\u6587\u5b57<\/span>Single-line Text<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Text Value<\/td><td>\u6587\u5b57\u5185\u5bb9<\/span>Text content<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Text Height<\/td><td>\u6587\u5b57\u9ad8\u5ea6<\/span>Text height<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Width Factor<\/td><td>\u5bbd\u5ea6\u6bd4\u4f8b\u56e0\u5b50<\/span>Width factor<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Rotation Angle<\/td><td>\u65cb\u8f6c\u89d2\u5ea6<\/span>Rotation angle<\/span><\/td><\/tr>\n<tr><td>51<\/span><\/td><td>Oblique Angle<\/td><td>\u503e\u659c\u89d2\u5ea6<\/span>Oblique angle<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Text Generation Flags<\/td><td>\u6587\u5b57\u751f\u6210\u6807\u5fd7\uff082=\u5012\u7f6e, 4=\u53cd\u5411\uff09<\/span>Text gen flags (2=upside-down, 4=backward)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Horizontal Justification<\/td><td>\u6c34\u5e73\u5bf9\u9f50\u65b9\u5f0f<\/span>H-justification<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Vertical Justification<\/td><td>\u5782\u76f4\u5bf9\u9f50\u65b9\u5f0f<\/span>V-justification<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-mtext\">\n<div class=\"entity-card-header\">\nMTEXT<\/span>\n\u591a\u884c\u6587\u5b57<\/span>Multiline Text<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Text Value<\/td><td>\u591a\u884c\u6587\u5b57\u5185\u5bb9\uff08\u542b\u683c\u5f0f\u4ee3\u7801\uff09<\/span>Text content (with format codes)<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Additional Text<\/td><td>\u9644\u52a0\u6587\u5b57\uff08\u8d85\u957f\u65f6\u7eed\u63a5\uff09<\/span>Additional text (continuation)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Nominal Text Height<\/td><td>\u6807\u79f0\u6587\u5b57\u9ad8\u5ea6<\/span>Nominal text height<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Reference Rectangle Width<\/td><td>\u53c2\u8003\u77e9\u5f62\u5bbd\u5ea6<\/span>Reference rect width<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>Reference Rectangle Height<\/td><td>\u53c2\u8003\u77e9\u5f62\u9ad8\u5ea6<\/span>Reference rect height<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Attachment Point<\/td><td>\u6587\u5b57\u5bf9\u9f50\u9644\u7740\u70b9<\/span>Attachment point<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Drawing Direction<\/td><td>\u6587\u5b57\u7ed8\u5236\u65b9\u5411<\/span>Drawing direction<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>MText Line Spacing Style<\/td><td>\u884c\u95f4\u8ddd\u6837\u5f0f<\/span>Line spacing style<\/span><\/td><\/tr>\n<tr><td>90<\/span><\/td><td>Column Type<\/td><td>\u5206\u680f\u7c7b\u578b (R2018+)<\/span>Column type (R2018+)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-dim\">\n<div class=\"entity-card-header\">\nDIMENSION<\/span>\n\u6807\u6ce8<\/span>Dimension<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Dimension Text<\/td><td>\u7528\u6237\u8986\u76d6\u7684\u6807\u6ce8\u6587\u5b57<\/span>User-overridden dimension text<\/span><\/td><\/tr>\n<tr><td>2<\/span><\/td><td>Block Name<\/td><td>\u6807\u6ce8\u5757\u540d<\/span>Dimension block name<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Dimension Style Name<\/td><td>\u6807\u6ce8\u6837\u5f0f\u540d<\/span>Dimension style name<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Definition Point<\/td><td>\u5b9a\u4e49\u70b9\uff08\u6240\u6709\u7c7b\u578b\u5171\u7528\u7b2c\u4e00\u4e2a\uff09<\/span>Definition point (first, common to all)<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Text Midpoint<\/td><td>\u6807\u6ce8\u6587\u5b57\u4e2d\u70b9<\/span>Text midpoint<\/span><\/td><\/tr>\n<tr><td>13<\/span><\/td><td>First Extension Line Origin<\/td><td>\u7b2c\u4e00\u6761\u5ef6\u4f38\u7ebf\u539f\u70b9<\/span>1st extension line origin<\/span><\/td><\/tr>\n<tr><td>14<\/span><\/td><td>Second Extension Line Origin<\/td><td>\u7b2c\u4e8c\u6761\u5ef6\u4f38\u7ebf\u539f\u70b9<\/span>2nd extension line origin<\/span><\/td><\/tr>\n<tr><td>15<\/span><\/td><td>Diameter\/Radius Def. Point<\/td><td>\u76f4\u5f84\/\u534a\u5f84\u5b9a\u4e49\u70b9<\/span>Diameter\/radius definition point<\/span><\/td><\/tr>\n<tr><td>16<\/span><\/td><td>Angular Arc Point<\/td><td>\u89d2\u5ea6\u6807\u6ce8\u5f27\u7ebf\u5b9a\u4e49\u70b9<\/span>Angular arc definition point<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Dimension Line Angle<\/td><td>\u6807\u6ce8\u7ebf\u65cb\u8f6c\u89d2\u5ea6<\/span>Dimension line angle<\/span><\/td><\/tr>\n<tr><td>51<\/span><\/td><td>Horizontal Direction<\/td><td>\u6c34\u5e73\u65b9\u5411\u89d2\u5ea6<\/span>Horizontal direction angle<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Dimension Type<\/td><td>\u6807\u6ce8\u7c7b\u578b\uff080=\u7ebf\u6027, 1=\u5bf9\u9f50, 2=\u89d2\u5ea6, 3=\u76f4\u5f84, 4=\u534a\u5f84\uff09<\/span>Dim type (0=linear, 1=aligned, 2=angular, 3=diameter, 4=radius)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-polyline\">\n<div class=\"entity-card-header\">\nPOLYLINE \/ LWPOLYLINE<\/span>\n\u591a\u6bb5\u7ebf \/ \u8f7b\u91cf\u591a\u6bb5\u7ebf<\/span>Polyline \/ Lightweight<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>90<\/span><\/td><td>Number of Vertices<\/td><td>\u9876\u70b9\u603b\u6570<\/span>Total vertex count<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Polyline Flags<\/td><td>\u6807\u5fd7\u4f4d\uff081=\u95ed\u5408, 128=Plinegen\uff09<\/span>Flags (1=closed, 128=Plinegen)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Vertex X<\/td><td>\u5404\u9876\u70b9 X \u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Vertex X (repeating)<\/span><\/td><\/tr>\n<tr><td>20<\/span><\/td><td>Vertex Y<\/td><td>\u5404\u9876\u70b9 Y \u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Vertex Y (repeating)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Start Width<\/td><td>\u8d77\u59cb\u5bbd\u5ea6<\/span>Start width<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>End Width<\/td><td>\u7ec8\u6b62\u5bbd\u5ea6<\/span>End width<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>Bulge<\/td><td>\u51f8\u5ea6\uff080=\u76f4\u7ebf, \u6b63=\u9006\u65f6\u9488\u5f27, \u8d1f=\u987a\u65f6\u9488\u5f27\uff09<\/span>Bulge (0=line, +=CCW arc, -=CW arc)<\/span><\/td><\/tr>\n<tr><td>43<\/span><\/td><td>Constant Width<\/td><td>\u6052\u5b9a\u5bbd\u5ea6\uff08\u5168\u5c40\uff09<\/span>Constant width (global)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-insert\">\n<div class=\"entity-card-header\">\nINSERT<\/span>\n\u5757\u5f15\u7528<\/span>Block Insert<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>2<\/span><\/td><td>Block Name<\/td><td>\u5757\u5b9a\u4e49\u540d\u79f0<\/span>Block definition name<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>X Scale Factor<\/td><td>X \u65b9\u5411\u7f29\u653e\u6bd4\u4f8b<\/span>X scale factor<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>Y Scale Factor<\/td><td>Y \u65b9\u5411\u7f29\u653e\u6bd4\u4f8b<\/span>Y scale factor<\/span><\/td><\/tr>\n<tr><td>43<\/span><\/td><td>Z Scale Factor<\/td><td>Z \u65b9\u5411\u7f29\u653e\u6bd4\u4f8b<\/span>Z scale factor<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Rotation Angle<\/td><td>\u65cb\u8f6c\u89d2\u5ea6\uff08\u5ea6\uff09<\/span>Rotation angle (degrees)<\/span><\/td><\/tr>\n<tr><td>66<\/span><\/td><td>Entity Follow Flag<\/td><td>\u5c5e\u6027\u8ddf\u968f\u6807\u5fd7\uff081=\u6709\u540e\u7eed ATTRIB\uff09<\/span>Attribute follow (1=has ATTRIBs)<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Column Count<\/td><td>\u5217\u6570\uff08\u9635\u5217\uff09<\/span>Column count (array)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Row Count<\/td><td>\u884c\u6570\uff08\u9635\u5217\uff09<\/span>Row count (array)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-spline\">\n<div class=\"entity-card-header\">\nSPLINE<\/span>\n\u6837\u6761\u66f2\u7ebf<\/span>Spline Curve<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>70<\/span><\/td><td>Spline Flags<\/td><td>\u6807\u5fd7\u4f4d\uff081=\u95ed\u5408, 2=\u5468\u671f, 4=\u5e73\u9762, 8=\u7ebf\u6027\uff09<\/span>Flags (1=closed, 2=periodic, 4=planar, 8=linear)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Degree<\/td><td>\u66f2\u7ebf\u9636\u6570\uff08\u901a\u5e38\u4e3a 3=\u4e09\u6b21 B \u6837\u6761\uff09<\/span>Degree (typically 3=cubic B-spline)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Number of Knots<\/td><td>\u8282\u70b9\u6570<\/span>Knot count<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Number of Control Points<\/td><td>\u63a7\u5236\u70b9\u6570<\/span>Control point count<\/span><\/td><\/tr>\n<tr><td>74<\/span><\/td><td>Number of Fit Points<\/td><td>\u62df\u5408\u70b9\u6570<\/span>Fit point count<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Knot Value<\/td><td>\u8282\u70b9\u503c\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Knot value (repeating)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Control Point<\/td><td>\u63a7\u5236\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Control point (repeating)<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Fit Point<\/td><td>\u62df\u5408\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Fit point (repeating)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-ellipse\">\n<div class=\"entity-card-header\">\nELLIPSE<\/span>\n\u692d\u5706<\/span>Ellipse<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Center Point<\/td><td>\u692d\u5706\u4e2d\u5fc3<\/span>Ellipse center<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Major Axis Endpoint<\/td><td>\u957f\u8f74\u7aef\u70b9\u5411\u91cf\uff08\u76f8\u5bf9\u4e8e\u4e2d\u5fc3\uff09<\/span>Major axis endpoint vector (relative to center)<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Minor Axis Ratio<\/td><td>\u77ed\u8f74\u4e0e\u957f\u8f74\u6bd4\u503c\uff080<ratio<=1\uff09<\/span>Minor-to-major axis ratio (0<ratio<=1)<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Start Parameter<\/td><td>\u8d77\u59cb\u53c2\u6570\u89d2\u5ea6<\/span>Start parameter angle<\/span><\/td><\/tr>\n<tr><td>42<\/span><\/td><td>End Parameter<\/td><td>\u7ec8\u6b62\u53c2\u6570\u89d2\u5ea6<\/span>End parameter angle<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-hatch\">\n<div class=\"entity-card-header\">\nHATCH<\/span>\n\u586b\u5145<\/span>Hatch Fill<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>2<\/span><\/td><td>Pattern Name<\/td><td>\u586b\u5145\u56fe\u6848\u540d\uff08\u5982 ANSI31, SOLID\uff09<\/span>Pattern name (e.g. ANSI31, SOLID)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Elevation Point<\/td><td>\u6807\u9ad8\u70b9\uff08\u4ec5\u5b9e\u4f53\u586b\u5145\uff09<\/span>Elevation point (solid only)<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Pattern Scale<\/td><td>\u56fe\u6848\u7f29\u653e\u6bd4\u4f8b<\/span>Pattern scale factor<\/span><\/td><\/tr>\n<tr><td>52<\/span><\/td><td>Pattern Angle<\/td><td>\u56fe\u6848\u65cb\u8f6c\u89d2\u5ea6<\/span>Pattern rotation angle<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Hatch Style<\/td><td>\u586b\u5145\u6837\u5f0f\uff080=\u666e\u901a, 1=\u5916\u90e8, 2=\u5ffd\u7565\uff09<\/span>Hatch style (0=normal, 1=outer, 2=ignore)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Associativity Flag<\/td><td>\u5173\u8054\u6807\u5fd7\uff081=\u5173\u8054\uff09<\/span>Associativity (1=associative)<\/span><\/td><\/tr>\n<tr><td>75<\/span><\/td><td>Hatch Pattern Type<\/td><td>\u56fe\u6848\u7c7b\u578b\uff080=\u7528\u6237\u5b9a\u4e49, 1=\u9884\u5b9a\u4e49, 2=\u81ea\u5b9a\u4e49\uff09<\/span>Pattern type (0=user, 1=predefined, 2=custom)<\/span><\/td><\/tr>\n<tr><td>76<\/span><\/td><td>Boundary Path Count<\/td><td>\u8fb9\u754c\u8def\u5f84\u6570\u91cf<\/span>Boundary path count<\/span><\/td><\/tr>\n<tr><td>91<\/span><\/td><td>Pattern Definition Lines<\/td><td>\u56fe\u6848\u5b9a\u4e49\u7ebf\u6570\u91cf<\/span>Pattern definition line count<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-attrib\">\n<div class=\"entity-card-header\">\nATTRIB \/ ATTDEF<\/span>\n\u5c5e\u6027 \/ \u5c5e\u6027\u5b9a\u4e49<\/span>Attribute \/ Attrib Def<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Attribute Value<\/td><td>\u5c5e\u6027\u503c (ATTRIB) \/ \u9ed8\u8ba4\u503c (ATTDEF)<\/span>Value (ATTRIB) \/ Default (ATTDEF)<\/span><\/td><\/tr>\n<tr><td>2<\/span><\/td><td>Attribute Tag<\/td><td>\u5c5e\u6027\u6807\u8bb0\u540d<\/span>Attribute tag name<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Attribute Prompt<\/td><td>\u5c5e\u6027\u63d0\u793a\u6587\u5b57<\/span>Attribute prompt text<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>40<\/span><\/td><td>Text Height<\/td><td>\u6587\u5b57\u9ad8\u5ea6<\/span>Text height<\/span><\/td><\/tr>\n<tr><td>41<\/span><\/td><td>Width Factor<\/td><td>\u5bbd\u5ea6\u6bd4\u4f8b\u56e0\u5b50<\/span>Width factor<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Rotation Angle<\/td><td>\u65cb\u8f6c\u89d2\u5ea6<\/span>Rotation angle<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Attribute Flags<\/td><td>\u6807\u5fd7\uff081=\u4e0d\u53ef\u89c1, 2=\u5e38\u91cf, 4=\u9a8c\u8bc1, 8=\u9884\u7f6e\uff09<\/span>Flags (1=invisible, 2=constant, 4=verify, 8=preset)<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Field Length<\/td><td>\u5b57\u6bb5\u957f\u5ea6<\/span>Field length<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-leader\">\n<div class=\"entity-card-header\">\nLEADER<\/span>\n\u5f15\u7ebf<\/span>Leader<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Leader Vertex<\/td><td>\u5f15\u7ebf\u9876\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Leader vertex (repeating)<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Annotation Type<\/td><td>\u6ce8\u91ca\u7c7b\u578b\uff080=\u65e0, 1=\u6587\u5b57, 2=\u516c\u5dee, 3=\u5757\u53c2\u7167\uff09<\/span>Annotation type (0=none, 1=text, 2=tolerance, 3=block)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Path Type<\/td><td>\u8def\u5f84\u7c7b\u578b<\/span>Path type<\/span><\/td><\/tr>\n<tr><td>73<\/span><\/td><td>Annotation Placement<\/td><td>\u6ce8\u91ca\u653e\u7f6e\u65b9\u5f0f<\/span>Annotation placement<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-3dface\">\n<div class=\"entity-card-header\">\n3DFACE<\/span>\n\u4e09\u7ef4\u9762<\/span>3D Face<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>First Corner<\/td><td>\u7b2c\u4e00\u89d2\u70b9<\/span>First corner<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Second Corner<\/td><td>\u7b2c\u4e8c\u89d2\u70b9<\/span>Second corner<\/span><\/td><\/tr>\n<tr><td>12<\/span><\/td><td>Third Corner<\/td><td>\u7b2c\u4e09\u89d2\u70b9<\/span>Third corner<\/span><\/td><\/tr>\n<tr><td>13<\/span><\/td><td>Fourth Corner<\/td><td>\u7b2c\u56db\u89d2\u70b9\uff08\u53ef\u9009\uff09<\/span>Fourth corner (optional)<\/span><\/td><\/tr>\n<tr><td>70<\/span><\/td><td>Invisible Edge Flags<\/td><td>\u4e0d\u53ef\u89c1\u8fb9\u6807\u5fd7\uff08\u4f4d\u7801\uff1a1\/2\/4\/8\uff09<\/span>Invisible edge flags (bit: 1\/2\/4\/8)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-solid\">\n<div class=\"entity-card-header\">\nSOLID<\/span>\n\u5b9e\u5fc3\u9762 \/ \u4e8c\u7ef4\u586b\u5145<\/span>Solid \/ 2D Fill<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>First Corner<\/td><td>\u7b2c\u4e00\u70b9<\/span>First point<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Second Corner<\/td><td>\u7b2c\u4e8c\u70b9<\/span>Second point<\/span><\/td><\/tr>\n<tr><td>12<\/span><\/td><td>Third Corner<\/td><td>\u7b2c\u4e09\u70b9<\/span>Third point<\/span><\/td><\/tr>\n<tr><td>13<\/span><\/td><td>Fourth Corner<\/td><td>\u7b2c\u56db\u70b9\uff08\u53ef\u9009\uff0c\u9ed8\u8ba4=\u7b2c\u4e09\u70b9\uff09<\/span>Fourth point (optional, defaults to 3rd)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-mline\">\n<div class=\"entity-card-header\">\nMLINE<\/span>\n\u591a\u91cd\u5e73\u884c\u7ebf<\/span>Multiline<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Start Point<\/td><td>\u8d77\u59cb\u9876\u70b9\u5750\u6807<\/span>Start vertex<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Vertex Points<\/td><td>\u5404\u9876\u70b9\u5750\u6807\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Vertices (repeating)<\/span><\/td><\/tr>\n<tr><td>19<\/span><\/td><td>End Point<\/td><td>\u7ec8\u6b62\u9876\u70b9\u5750\u6807<\/span>End vertex<\/span><\/td><\/tr>\n<tr><td>71<\/span><\/td><td>Justification<\/td><td>\u5bf9\u9f50\u65b9\u5f0f\uff080=\u9876, 1=\u96f6, 2=\u5e95\uff09<\/span>Justification (0=top, 1=zero, 2=bottom)<\/span><\/td><\/tr>\n<tr><td>72<\/span><\/td><td>Drawing Flags<\/td><td>\u7ed8\u5236\u6807\u5fd7\uff081=\u95ed\u5408, 2=\u5f00\u59cb\u622a\u65ad, 4=\u7ed3\u675f\u622a\u65ad\uff09<\/span>Flags (1=closed, 2=start cap, 4=end cap)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-tolerance\">\n<div class=\"entity-card-header\">\nTOLERANCE<\/span>\n\u516c\u5dee<\/span>Tolerance<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>1<\/span><\/td><td>Feature Control Frame<\/td><td>\u7279\u5f81\u63a7\u5236\u6846\u67b6\u6587\u5b57<\/span>Feature control frame text<\/span><\/td><\/tr>\n<tr><td>3<\/span><\/td><td>Feature Control Frame (cont.)<\/td><td>\u9644\u52a0\u7279\u5f81\u63a7\u5236\u6846\u67b6\u6587\u5b57\uff08\u53ef\u7eed\u63a5\uff09<\/span>Additional FCF text (continuation)<\/span><\/td><\/tr>\n<tr><td>10<\/span><\/td><td>Insertion Point<\/td><td>\u63d2\u5165\u70b9<\/span>Insertion point<\/span><\/td><\/tr>\n<tr><td>11<\/span><\/td><td>Leader Vertexes<\/td><td>\u5f15\u7ebf\u9876\u70b9\uff08\u8fde\u7eed\u51fa\u73b0\uff09<\/span>Leader vertices (repeating)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<div class=\"entity-card\" id=\"ent-point\">\n<div class=\"entity-card-header\">\nPOINT<\/span>\n\u70b9<\/span>Point<\/span><\/span>\n<\/div>\n<div class=\"table-wrap\" style=\"max-height:none;border:none;border-radius:0\">\n<table>\n<thead><tr><th>\u7ec4\u7801<\/span>Code<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td>10<\/span><\/td><td>Point Location<\/td><td>\u70b9\u5750\u6807<\/span>Point coordinates<\/span><\/td><\/tr>\n<tr><td>50<\/span><\/td><td>Angle (for UCS)<\/td><td>\u89d2\u5ea6\uff08UCS \u76f8\u5173\uff09<\/span>Angle (UCS related)<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"all-entities\">\n\n<div class=\"section-icon\">\ud83d\udccb<\/div>\n<h2>\u5168\u90e8\u5b9e\u4f53\u7c7b\u578b\u5217\u8868<\/span>Complete Entity Type List<\/span><\/h2>\n\nDXF \u4e2d\u6240\u6709\u5df2\u5b9a\u4e49\u7684\u56fe\u5f62\u5b9e\u4f53\u7c7b\u578b\uff08\u5373\u7ec4\u7801 0 \u53ef\u53d6\u7684\u503c\uff09\uff1a<\/span>All defined graphical entity types in DXF (values for group code 0):<\/span><\/p>\n<div class=\"subsection\">\n<h3>\u57fa\u7840\u51e0\u4f55\u5b9e\u4f53<\/span>Basic Geometry Entities<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>LINE<\/code> <code>POINT<\/code> <code>CIRCLE<\/code> <code>ARC<\/code> <code>ELLIPSE<\/code> <code>RAY<\/code> <code>XLINE<\/code> <code>HELIX<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u591a\u6bb5\u7ebf\u4e0e\u66f2\u7ebf<\/span>Polylines & Curves<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>POLYLINE<\/code> <code>LWPOLYLINE<\/code> <code>SPLINE<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u9762\u4e0e\u4f53<\/span>Faces & Bodies<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>3DFACE<\/code> <code>SOLID<\/code> <code>TRACE<\/code> <code>3DSOLID<\/code> <code>BODY<\/code> <code>REGION<\/code> <code>SURFACE<\/code> <code>MESH<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u6587\u5b57\u4e0e\u6807\u6ce8<\/span>Text & Dimensions<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>TEXT<\/code> <code>MTEXT<\/code> <code>DIMENSION<\/code> <code>ARC_DIMENSION<\/code> <code>TOLERANCE<\/code> <code>LEADER<\/code> <code>MULTILEADER<\/code> <code>SHAPE<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u5757\u4e0e\u5c5e\u6027<\/span>Blocks & Attributes<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>INSERT<\/code> <code>MINSERT<\/code> <code>ATTRIB<\/code> <code>ATTDEF<\/code> <code>BLOCK<\/code> <code>ENDBLK<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u586b\u5145\u4e0e\u56fe\u6848<\/span>Hatches & Patterns<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>HATCH<\/code> <code>MPOLYGON<\/code> <code>MLINE<\/code>\n<\/div>\n<\/div>\n<div class=\"subsection\">\n<h3>\u5176\u4ed6<\/span>Others<\/span><\/h3>\n<div class=\"tip-box\" style=\"display:flex;flex-wrap:wrap;gap:0.4rem\">\n<code>VIEWPORT<\/code> <code>UNDERLAY<\/code> <code>WIPEOUT<\/code> <code>ACAD_PROXY_ENTITY<\/code> <code>LIGHT<\/code> <code>OFRAME<\/code> <code>ACAD_TABLE<\/code>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"section\" id=\"section-struct\">\n\n<div class=\"section-icon\">\ud83d\udcc1<\/div>\n<h2>DXF \u6587\u4ef6\u8282\u7ed3\u6784<\/span>DXF File Section Structure<\/span><\/h2>\n\nDXF \u6587\u4ef6\u7531\u82e5\u5e72\u8282\uff08SECTION\uff09\u7ec4\u6210\uff0c\u6bcf\u8282\u4ee5 <code>0 SECTION<\/code> \u5f00\u59cb\u3001<code>0 ENDSEC<\/code> \u7ed3\u675f\u3002\u7ec4\u7801 2 \u6307\u5b9a\u8282\u540d\u3002<\/span>A DXF file consists of several sections. Each starts with <code>0 SECTION<\/code> and ends with <code>0 ENDSEC<\/code>. Group code 2 specifies the section name.<\/span><\/p>\n<div class=\"table-wrap\">\n<table>\n<thead><tr><th>\u8282\u540d<\/span>Section Name<\/span><\/th><th>\u82f1\u6587\u540d\u79f0<\/span>English Name<\/span><\/th><th>\u4e2d\u6587\u8bf4\u660e<\/span>Chinese Description<\/span><\/th><th>\u5173\u952e\u7ec4\u7801<\/span>Key Codes<\/span><\/th><\/tr><\/thead>\n<tbody>\n<tr><td><code>HEADER<\/code><\/td><td>Header Section<\/td><td>\u5168\u5c40\u53d8\u91cf\u5b9a\u4e49\uff08\u7248\u672c\u3001\u7cbe\u5ea6\u3001\u5750\u6807\u7cfb\u7b49\uff09<\/span>Global variable definitions (version, precision, coordinate system)<\/span><\/td><td>9\uff08\u53d8\u91cf\u540d\uff09, \u5bf9\u5e94\u53d8\u91cf\u7684\u503c\u7ec4\u7801<\/span>9 (var name), variable value codes<\/span><\/td><\/tr>\n<tr><td><code>CLASSES<\/code><\/td><td>Classes Section<\/td><td>\u975e\u5185\u7f6e\u7c7b\u5b9a\u4e49\uff08C++ \u7c7b\u4fe1\u606f\uff09<\/span>Non-built-in class definitions (C++ class info)<\/span><\/td><td>100<\/span> 1<\/span> 2<\/span><\/td><\/tr>\n<tr><td><code>TABLES<\/code><\/td><td>Tables Section<\/td><td>\u7b26\u53f7\u8868\u5b9a\u4e49\uff08\u56fe\u5c42\u3001\u7ebf\u578b\u3001\u6587\u5b57\u6837\u5f0f\u3001\u6807\u6ce8\u6837\u5f0f\u7b49\uff09<\/span>Symbol table definitions (layers, linetypes, text styles, etc.)<\/span><\/td><td>0<\/span> 2<\/span> 70<\/span><\/td><\/tr>\n<tr><td><code>BLOCKS<\/code><\/td><td>Blocks Section<\/td><td>\u5757\u5b9a\u4e49\uff0c\u542b\u5b9e\u4f53\u6570\u636e<\/span>Block definitions, containing entity data<\/span><\/td><td>0<\/span> 2<\/span> 8<\/span><\/td><\/tr>\n<tr><td><code>ENTITIES<\/code><\/td><td>Entities Section<\/td><td>\u56fe\u5f62\u5b9e\u4f53\u6570\u636e\uff08\u6838\u5fc3\u7ed8\u56fe\u5185\u5bb9\uff09<\/span>Graphical entity data (core drawing content)<\/span><\/td><td>0<\/span> 8<\/span><\/td><\/tr>\n<tr><td><code>OBJECTS<\/code><\/td><td>Objects Section<\/td><td>\u975e\u56fe\u5f62\u5bf9\u8c61\uff08\u5b57\u5178\u3001XRECORD \u7b49\uff09<\/span>Non-graphical objects (dictionaries, XRECORD, etc.)<\/span><\/td><td>100<\/span> 0<\/span><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"tip-box\">\nDXF \u7ed3\u6784\u793a\u610f<\/span>DXF Structure<\/span><\/strong><br\/>\n<code>0 SECTION<\/code><br\/>\n<code>2 HEADER<\/code><br\/>\n<code>9 $ACADVER<\/code><br\/>\n<code>1 AC1027<\/code><br\/>\n<code>...\uff08\u66f4\u591a\u53d8\u91cf\uff09<\/code><br\/>\n<code>0 ENDSEC<\/code><br\/>\n<code>0 SECTION<\/code><br\/>\n<code>2 CLASSES<\/code><br\/>\n<code>...\uff08\u7c7b\u5b9a\u4e49\uff09<\/code><br\/>\n<code>0 ENDSEC<\/code><br\/>\n<code>...\uff08TABLES, BLOCKS, ENTITIES, OBJECTS\uff09<\/code><br\/>\n<code>0 EOF<\/code>\n<\/div>\n<\/section>\n\n<div class=\"footnotes\">\n DXF \u7ec4\u7801\u5b8c\u5168\u53c2\u8003\u624b\u518c | \u57fa\u4e8e AutoCAD DXF Reference \u7f16\u5236<\/span>DXF Group Codes Complete Reference | Based on AutoCAD DXF Reference<\/span><\/p>\n<\/div>\n\n<\/div>\n\n\n<script>\nfunction switchLanguage(lang) {\n document.documentElement.lang = lang;\n document.body.className = (lang === 'en') ? 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