ConvertOBJFileColorToMatlab:

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   Converts the Wavefront OBJ color format to Matlab.
   Edge color is set equal to face color

   Since version 8.
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   Form:
   d = ConvertOBJFileColorToMatlab( m )
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   Inputs
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   m            (1,1) Material file data structer
                        .Kd    (1,3) Diffuse reflectivity
                        .Ks    (1,3) Specular reflectivity
                        .Ka    (1,3) Ambient reflectivity
                        .Ns    (1,3) Specular exponent
                        .illum (1,3) Illumination model (not used)
                        .d     (1,1) Transparency

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   Outputs
   -------
   d            (1,1) Matlab color
                        .faceColor                (1,3) Color of faces
                        .edgeColor                (1,3) Color of edges
                        .diffuseStrength          (1,1)
                        .specularStrength         (1,1)
                        .ambientStrength          (1,1)
                        .specularExponent         (1,1)
                        .specularColorReflectance (1,1)
                        .faceAlpha                (1,1) Alpha channel

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