I wrote a RIB exporter for Blender that will export polygon and subdivision meshes based on their type. If the mesh is a subdivision it will export the "crease" tag for each edge that has a value greater then 0. The problem that I'm having is that I'm trying to get Blender's displayed subd to match the rendered subd. I've got it really close, so close that it may be right, but I can't tell. Blender has crease values of 0(no crease) - 255(100% sharp) and I need to find the matching Pixie sharpness values. I saw for another renderman renderer that they are using 0-10 for their sharpness levels, but that didn't look right when I used it in Pixie. I looked up the RISpec, but they didn't say what the values should be. The values that seem to be the closest match in Pixie are 0-5, but is this right?
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