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otto

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    Otto
  1. P world in mantra

    Thank you so much guys! I have now tested all approaches, except CryptoMatte . The closest surface setting in the render node gave good result on close ups with a few grids, but when adding a crowd I got egdes around the alphas of the crowd, see screenshot where I have zoomed in a bit (light weight crowd is what I am wanting to use the grids for). Also picking an area from the P_world pass in Nuke was not very accurate. The shader approach looked great in the test frame, but when adding a crowd the render got very slow. Deep seems to be the best option for me now, the rendering is quite quick and the flexibility is great. The only problem is the size of the files, but I think I'll just have to deal with that for now. Thanks for your good advice and your time!!
  2. Hi! I have a question about mantra and world position pass. I have followed aRtye's description from this page: https://www.sidefx.com/forum/topic/34302/ and set up a P_world pass that renders in Mantra. The problem is that I get an edge when grids are overlapping each other (see image below). I have tried getting rid of the edge by lowering the opacity limit in the Mantra node, but that gives a black edge in the C pass. Removing the filter from the alpha channel in the shader gives a slightly better result, but nothing I have tried gets rid of the edge completely. Does anyone know a solution to this problem or a better approach to get a world position pass? Example file (using the Houdini butterfly image file): p_world.hip
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