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CAD tip CAD tip # 6563:

Question CAD 
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Q - question

Creating an intersection curve of two terrain surfaces.

A - answer When you have two terrain models, or a terrain plus a 3D object (e.g. a DTM touching a building object), you can create an intersection line where both surfaces touch.

The procedure for getting such 3D curve entity - using a volume surface and its zero contour - is described in the first part of the posting "How to to cut surface of a 3D body" (in Czech, and its Google translation) on the blog

Prùseènice povrchù

100% *  CAD 
5.3.2009    9546×  
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applies to: Civil 3D 2009 ·

See also:
Tip 13150:How to hatch selected objects including overlays and islands?
Tip 13087:3DintCurves - intersections of curves with 3D solids.
Tip 12836:How to suppress snapping when inserting symbols and families in Revit?
Tip 12771:Simplification of an assembly in Fusion 360 - the shrinkwrap function
Tip 12766:Lines with a single grip, incorrect osnaps, intersections, offsets, hatches - CheckLarge

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Use Google Earth images in your AutoCAD projects with the Plex.Earth Tools More info

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