DXF terrain model format

Saving a terrain model or square grid in DXF format as a surface model. A file extension has to be *.DXF for transfer to AutoCAD.

In case no Seedfile is given in settings, the default header shown in example will be used.

Area coding

When writing with area coding, each triangle inside closed breakline uses line's code as a layer. Triangles outside of these areas use default layer 9211. Without area coding model surface is used as a layer for all triangles.

Example

  0
SECTION
  2
HEADER
  9
$ACADVER
  1
AC1009
  0
ENDSEC
  0
SECTION
  2
ENTITIES
  0
3DFACE
  8
TRIANGLE
 10
3444132.886
 20
6697101.785
 30
      9.004
 11
3444136.431
 21
6697095.630
 31
      8.716
 12
3444134.693
 22
6697101.311
 32
      8.937
 13
3444132.886
 23
6697101.785
 33
      9.004

Special settings

See also: Common special settings