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CAD tip CAD tip # 7216:

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If you need to create a terrain model (DTM) from a source drawing containing 3DFACE entities, you may need to first convert these entities to another object type.

With the LISP utility 3DF2L (see DL Download) you can convert (explode) 3D faces to polylines or 3D lines (LINE), which can be used as definition data for computing or analysis of terrain surfaces.

Civil2010Civil2009ACAD
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13.2.2010   16555×  
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this tip shared by ARKANCE experts applies to: Civil 3D 2010 · Civil 3D 2009 · AutoCAD ·

See also:
Tip 14889:Unfolding of general polygonal 3D meshes (mesh unfolder).
Tip 14072:How to import an STL, OBJ or 3DS file to an AutoCAD 3D model?
Tip 14056:How to move blocks in the Z axis to the terrain model surface?
Tip 13683:Limitations of the LISP language (AutoLISP, VisualLISP) in AutoCAD LT - what to watch out for
Tip 13038:How to explode 3D faces (3DFACE) into outline polyline?
Selected tip: Parts of Explorer are in a different language after installing AutoCAD.


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