To add a (default) contour to your scene
- In the of the shading group node for your material shader, select under the section.
- In the Render Settings: mental ray tabs, Features tab expand the Contours section and select .
- Select how you want your contours to behave with geometry by checking the applicable options under Draw By Property Difference under the Contours section.
- Tweak the contour attributes to achieve the look that you desire.
To add a contour shader to your scene
- In the of the shading group node for your material shader, map your mental ray contour shader, such as contour_shader_depthfade, to the attribute under the section.
- Tweak the contour shader attributes to achieve the look that you desire.
- In the Render Settings: mental ray tabs, Features tab, expand the Contours section. Under the section, map your custom contrast shader, for example, contour_contrast_function_levels, to the attribute. Map your custom store shader, for example, contour_store_function to the attribute.
- Tweak the contour shader attributes to achieve the look that you desire.
For a description of the node attributes for the mental ray contour shaders, see the mental ray Shaders Guide in the Maya Help.