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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 Civil3D.cz.

Průsečnice povrchů

Civil2009
100% *  CAD 
5.3.2009    8958×  
Prices - CAD eShop:
applies to: Civil 3D 2009 ·

See also:
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
Tip 12710:Boolean subtraction of 3D mesh objects in Meshmixer.
Tip 12687:How to find the intersection curve of two surfaces in Fusion 360?
Tip 11830:How to influence linetype scale or color for hidden edges in documentation views?


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