bandini Posted December 2, 2013 Share Posted December 2, 2013 Any suggestions for how to dilate uv borders? I need to keep the interior points the same, but expand the borders of the uv tiles by a couple pixels each. Thanks! Adam Quote Link to comment Share on other sites More sharing options...
freaq Posted December 2, 2013 Share Posted December 2, 2013 i can see a two step process, take your geo into UV space: (I'll refer to this as UVGEO) divide delete interior edges to leave a "curve/line, polyframe to get the tangent vectors pointing outwards, (or take the normal and cross it with the y vector once you moved your geo into uv-space)] then ake your UVGEO ( attribtransfer your normals with a minimal radius (0.001) and peak along that vector, it should only move the outside points. can create some issues in corners though. Quote Link to comment Share on other sites More sharing options...
bandini Posted December 3, 2013 Author Share Posted December 3, 2013 Thanks, Freek. One more quick question, testing another method... Do you know of any way to group uv boundary points? Quote Link to comment Share on other sites More sharing options...
gui Posted December 3, 2013 Share Posted December 3, 2013 On 12/3/2013 at 1:25 AM, bandini said: Thanks, Freek. One more quick question, testing another method... Do you know of any way to group uv boundary points? Adam, have u tested using edge groups? I don´t know how your geometry´s topology looks like, so, perhaps it´s a dumb suggestion... Quote Link to comment Share on other sites More sharing options...
bandini Posted December 3, 2013 Author Share Posted December 3, 2013 On 12/3/2013 at 3:44 PM, gui said: Adam, have u tested using edge groups? I don´t know how your geometry´s topology looks like, so, perhaps it´s a dumb suggestion... Topology is terrible. It is an imported cad model Quote Link to comment Share on other sites More sharing options...
gui Posted December 3, 2013 Share Posted December 3, 2013 Do u have any file to share, so I can make some tests? Quote Link to comment Share on other sites More sharing options...
bandini Posted December 4, 2013 Author Share Posted December 4, 2013 On 12/3/2013 at 9:18 PM, gui said: Do u have any file to share, so I can make some tests? Unfortunately, I can't share any of the model assets, but if you just take a teapot and do a cubic uv unwrap on it, it should make a decent test file. Quote Link to comment Share on other sites More sharing options...
anim Posted December 5, 2013 Share Posted December 5, 2013 here is one way, I'm not sure what exactly you are after so just have a look at the file ts_dilate_erode_uv_border.hipFetching info... Quote Link to comment Share on other sites More sharing options...
gui Posted December 5, 2013 Share Posted December 5, 2013 Tomas, I was trying something similar, but the problem happens when u transfer the attribute back... Quote Link to comment Share on other sites More sharing options...
anim Posted December 5, 2013 Share Posted December 5, 2013 what do you mean, in my example file the uv's are already copied back, can you specify what problem you have in mind? Quote Link to comment Share on other sites More sharing options...
gui Posted December 6, 2013 Share Posted December 6, 2013 On 12/5/2013 at 8:43 PM, anim said: what do you mean, in my example file the uv's are already copied back, can you specify what problem you have in mind? Look in the example file. The problems happens when referencing the points positions to the vertexes... ts_dilate_erode_uv_border.hipFetching info... Quote Link to comment Share on other sites More sharing options...
anim Posted December 6, 2013 Share Posted December 6, 2013 just uncheck Remove Degenerate in fuse1 node I'll post fixed file when I get home Quote Link to comment Share on other sites More sharing options...
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