Costinbos77 Posted November 7, 2012 Share Posted November 7, 2012 (edited) I succeeded one to write a lisp routine to build 3D terrain model (DTM = digital terrain model) using autocad 3DFACE based on a text file with coordinates: point number, x, y, z. This issue concerns me greatly. What sorting algorithm is necessary to point? Any ideas? Costin TIN Model.dwg Edited February 9, 2014 by Costinbos77 add attachment Quote Link to comment Share on other sites More sharing options...
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