Select faces by material?
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Is there any way I can take a model, with a bunch of groups, and select only the faces that have a given material (with every face in the entire model regardless of group being checked)?
I have found several scripts, one in particular, "material_selection.rb" that almost do the job, except they check the material of a group, not the individual faces within the group, and add the entire group to the selection.
My model is made up of cubes, usually only 1 face on the cube has a texture, so I wanted to delete the other faces, but there are far too many to do it manually.
Any help greatly appreciated
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...or to put your request another way...
How to delete faces [and any consequent unneeded edges] inside selected groups, IF they have no material...
This one liner does that...m=Sketchup.active_model; m.start_operation('X'); m.selection.grep(Sketchup;;Group).each{|g|g.entities.grep(Sketchup;;Face).each{|f|f.erase! unless f.material};g.entities.grep(Sketchup;;Edge).each{|e|e.erase! unless e.faces[0]} }; m.commit_operation;This code copy/pasted into the Ruby Console deletes all faces inside pre-selected groups, if they do not have a material assigned to them, it then removes any faceless edges. It is one step undo-able...
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Thanks TIG! I will put in a good word for you if I die first.
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