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remove coplainer/non-visible polygons
show user profile  topofsteel
I am getting meshes of a building from another modeling program. Many of the polygons are not visible. Is there a way to select all polygons that are not visible? Foe example, when I lightmap the mesh, many of the polygons are black. I would want to remove all polygons that wouldn't receive lightmap data. A script would be great. But i'm not even able to manually select the polys because they are behind other meshes. Would would work is to be able to unwrap a lightmapped mesh and see each poly and erase the black ones. How can I accomplish this? Thanks.
read 299 times
8/13/2014 11:13:19 PM (last edit: 8/13/2014 11:13:19 PM)
show user profile  FX
Have you tried xView? , it should let you select the offending poly's, Face Orientation or Overlapping Faces should do it.
read 293 times
8/14/2014 12:23:09 AM (last edit: 8/14/2014 12:23:09 AM)
show user profile  ScotlandDave
Somebody on here I`m sure wrote or linked to a script that selected or removed polygons and/or objects based on occlusion.. Sorry i can`t be more specific but i`m sure it does exist.

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read 289 times
8/14/2014 1:42:24 AM (last edit: 8/14/2014 1:42:46 AM)
show user profile  Dave
"Dub." wrote the script to help me, it won't be of any use in this particular case though as the script matches face centres and selects any faces that share the same centres as other faces.

The thread is here if you want to take a gander:

However, you're on the right lines with the lightmap, it's how I used to do it but that method didn't work for the example in the thread.. to quote myself:

"I've done similar things on less complex objects where I would bake a shadow map out from an auto-unwrap and use this in a Vol.Select modifier."

"I flew over Egypt once"

read 273 times
8/14/2014 3:23:49 PM (last edit: 8/14/2014 3:23:56 PM)
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