Use the Material Mapping tab to customize the default settings for the Material Mapping type selected on the Rendering toolbar. This feature is recommended for advanced users only.
The fields on this panel are context-sensitive. For more information, see Adjusting Material Mapping.
Note: You can only adjust material mapping for a single geometry item at a time, such as a polygon or an instanced item of geometry. They are indicated on the Selection Tree with the following icons: 
and 
. See Reference for Selection Tree Window for icon descriptions.
and . See Reference for Selection Tree Window for icon descriptions.