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发表于 2006-7-25 17:28:44
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显示全部楼层
Data Type DXF Group Code Range Group Code Description
Strings 1-4, 7, 9, 300 - 309 255 characters maximum; less for Unicode strings
. ; 100 Must only be used for Subclass data markers (255 characters maximum; less for Unicode strings)
102 Control string (255 characters maximum; less for Unicode strings). A control sting is either "{ <arbitrary name>" or "}".
Points, Vectors, and Scale objects (2D & 3D double precision) 10 - 17 Double precision 2D & 3D point, vector, or scale
20 - 27, 30 - 37 Y & Z 3D point coordinates. These group codes are automatically generated or absorbed by the ObjectARX internal filers when filing to or from a DXF file
Double precision values 40 - 47, 49, 140 - 147 General purpose
50 - 59 For angles. Must be in radians when passed-to or read-from the filer. The filer converts to or from degrees when filing out-to or in-from DXF files
Integers 61, 63 - 66, 68 - 79, 170 - 175 16-bit integer value
90 - 99 32-bit integer value
280 - 289 8-bit integer value
Binary chunks 310 - 319 String representing hex value of binary chunk
ObjectIds 320 - 329 Arbitrary IDs. No translation during INSERT and XREF operations
330 - 339 Soft Pointer ID. Translated during INSERT and XREF operations
340 - 349 Hard Pointer ID. Translated during INSERT and XREF operations
350 - 359 Soft Ownership ID. Translated during INSERT and XREF operations
360 - 369 Hard Ownership ID. Translated during INSERT and XREF operations |
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