mental ray Architectural and Design Visualization Shader Library

2.5 Detailed Description of Material Parameters 412.5.10.2 Cutout Opacity and Additional ColorThe cutout opacity is used to apply an opacity map to completely remove parts of objects.A classic example is to map an image of a tree to a flat plane and use opacity to cut away theparts of the tree that are not there.Mapping the transparency (left) vs. cutout opacity (right)The additional color is an input to which one can apply any shader. The output of thisshader is simply added on top of the shading done by the mia material and can be used bothfor “self illumination” type effects as well as adding whatever additional shading one maywant.The material also supports standard displacement and environment shaders.environment is supplied, the global camera environment is used.If no