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Found 2 results

  1. Before I go ahead and try an overcomplicated approach using raycasting I thought I'd check to see if anyone here has a simple solution to this problem. I have a model from maya, that has had many sections mirrored, thus creating sections with primitive normals facing inward rather than outward. Is there a simple method of making all normals face outward? All of the poly shells are enclosed as well, so no open surfaces to worry about.
  2. Hey forum! I'm attempting to create a boolean/slicer function, where I can slice up the geometry of an object (https://www.sidefx.com/tutorials/building-the-slicer-setup-in-houdini/ this sort of thing). However it seems that I'm having an issue with the way that the primitives are being 'winded' by the boolean operator. When I try and polyextrude the slices created by the 'boolean' they go up and down randomly rather than just 'up'. It seems that no vertex/point/primitive attribute is affecting the polyextrudes understanding of 'UP' - i've read its calculated from some kind of ordering of vertex? Anyone have any ideas about how to fix this? I have attached a very minimal houdini file and an image of the problem. Thanks! <3 Sam winding_polyextrude.hip
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