Draping onto Autocad 3dD Mesh
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Hi Everyone
I posted recently about an Autocad 3d mesh I was trying to import and create terrain from. Using the Sandbox 'from contours' tool, I was able to create a surface skin to cover the mesh.
Im now trying to drape the OS plan onto this surface. The OS plan is also an Autocad file I have imported, though it is all on a flat plane. In the past I have been able to drape plans onto simple surfaces bit by bit, but the surface I created from the initial mesh is so complex it just freezes or bug splats everytime I try, unless I drape about a foot square at a time (the model is about a mile square, so this method will take me forever!)
Has anyone else come across this problem before with complex terrain models? I guess its maybe just to much for Sketchup too handle. Is there a way to project the OS plan onto the Mesh in Autocad or another program? I also have access to Rhino and Viz, though Ive not used Viz much apart from rendering.
Any thoughts suggestions much appreciated!
Cheers
Zootsuit
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Hi Zootsuit,
Would simplifying your mesh be too much of a sacrifice in order to be able to work with it or would you like to keep its details by all means?
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Use a routine in AutoCAD to simplify the contours before importing? I don't know of such a lisp etc. but my application has one, you should be able to find one for AutoCAD. Perhaps you don't need the level of detail if you are modeling a square mile?
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There is also a simplify contours plugin by Google (well, @Last) but there is one by Didier Bur that can create a simpler (and more regular!) terrain from an existing one in SU.
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Thanks
I tried the Reduce polygons plug-in but it didnt seem to work. Ill have a search form something in AutoCAd, I dont use it much to be honest so Im a bit unfamiliar with its operations. Would the simplfy contours tool work on the surface or the actual mesh? Sorry , Im not too experienced with terrina models!
thanks
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Simplify contours works on contour lines before you make the mesh. Didier's plugin, Terrain reshaper works with already existing meshes.
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