AutoCAD DXF (Drawing Interchange Format, or Drawing Exchange Format)
is a CAD data file format, developed by Autodesk as their solution for enabling
data interoperability between AutoCAD and other programs.
File structure
ASCII versions of DXF can be read with a text-editor.
The basic organization of a DXF file is as follows:
| • | HEADER section |
| • | CLASSES section |
| • | TABLES section |
Application ID (APPID) table
Block Recod (BLOCK_RECORD) table
Dimension Style (DIMSTYPE) table
Layer (LAYER) table
Linetype (LTYPE) table
Text style (STYLE) table
User Coordinate System (UCS) table
View (VIEW)table
Viewport configuration (VPORT) table
| • | BLOCKS section |
| • | ENTITIES section |
| • | OBJECTS section |
| • | THUMBNAILIMAGE |
| • | END OF FILE |