![]() I import the scene obj / FBX to retopo room > I may need to devide the object as 7 poly/retopo groups in retopo room to keep material groups. At same time, I only need to bake or generate texture for each UV tile not for each material groups, but hope to keep all 7 material groups as selection group when I wrok in paint room. I do not expect 3d coat can import material group as same as blender for retopo room/paint room, then I plan to edit retopo groups in retopo room. The object have 4 UV tiles, with 7 material /slots in blender. I made test object which Unwrap as 4 UV tiles, then 1 to 3 UV tiles (UDIM 1001 to 1003) have 2 material group (surface group) for each tile. (but start to use paint room to import model, at least for me, to understand those things, took long time) (after all test work correctly) The 3d coat usage of material groups / uv sets (tiles) is one of most difficult part when we start learn 3d coat. Then if it work well, the way may better officially documented. If beta option only work for one UV tile with multi materials, after all I may need to customize material group when import 3d coat (I usually do so) to along with UV tile. We may often see such complex object modeled by another apricaiton. (so one UV tile include 2 or 3 materials, at same time one mesh have multi UV tiles like UDIM) I may hope to test the procedure, if it still work for 3 UV sets/tile with 5 or 6 materials. I have tested and all appears to work correctly. Should work fine, your are not adjusting your uv set but just combining all the retopo groups to one and updating the paint mesh in the paint room to reflect what you just have done in the retopo room. I would suggest testing on some simple models to be sure all works as intended. Now in the Paint Room, You will have One Paint Object, One Surface Material and one Uv set and your texturing remains intact but now is only one surface material.Įxporting you no longer get have more than one material written into the fbx or obj file. It is non destructive, your paint layers will be kept. Next Use the Feature under the Bake Menu- "Update Paint Mesh with Retopo Mesh". Delete the now un-used Retopo groups or as they are called now Poly-groups. Move all your retopo groups to one retopo group. Once completely done texturing, saving your 3DC file first as always, return to the Retopo Room. Easier because you have several surface materials to work with. Once you have baked to the paint room and you have several surface materials, One paint object, One UV set.ĭo all your texturing. Would this work for you? Remember I am only trying to help, so if I have misunderstood, I am sorry about that.
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