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TopoExport
  • il y a 7 semaines
In this Rhino 3D tutorial I’ll show you how to create a 3D shape on a topographic surface using road outlines projected directly onto terrain. This technique is perfect for urban architecture and site modeling.

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00:00Hello everyone, in this video I will show you how to create a 3D shape on a
00:05topographic surface in Rhino. If you don't know how to download the road outline
00:10and the topographic surface I'm using in this video, just go to topoxport.com.
00:15The link is in the description. So let's get started. First I will switch to the
00:21perspective view and set the display mode to shade it. Next I will turn off all the
00:26layers except for ground and road outlines. To make the process clear I will
00:33move the road outline 50 meters up. Now I will convert the terrain mesh into a
00:38polysurface. Meshes in Rhino are harder to work with rather than polysurface. To do
00:45this I select the mesh, type point on, then sealpt and finally use the patch command.
00:57I will leave the default parameters and click OK. Next I will move this new polysurface
01:03into a new layer called ground 2. And hide the original mesh. Now I can project the road
01:16outlines onto the polysurface using the project command. In this tutorial I can trim the polysurface
01:27using the trim tool. Then I will create a new shape that follows the exact road outline
01:36by running the patch command. And now I will extrude the new patch by 0.5 meters to make the
01:46road clearly visible on the ground. And there we go. The roads are now easy to read in 3D.
01:53I can turn the buildings and trees layers back on to add more context.
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