Focal Stacks

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OBJ Files

Requirements for OBJ files for CalVR to display:

  • Material library file needs to be specified with extension, e.g.: mtllib coral-mtl.mtl.
  • To use a texture image (image map) use the command usemtl, not usemap. Example: usemtl coral-material. This is for material file coral-mtl.mtl, which has the following content: 
  newmtl coral-material
  map_Kd coral-map.jpg
  • The image referenced by the material file in this example is coral-map.jpg.
  • The referenced image may be upside down. To remedy this use the following ImageMagick command: 
  convert sourceimage.jpg -flip destimage.jpg
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