You use the three buttons in the Switch Attribute to add, remove, and map textures to objects. The inShape column contains the objects you want to map the utility to. The inQuad column contains the texture, file, or placement node you want to map to the object.
Find this utility in the Create tab (see Create tab).
To use this utility, see Use the Quad Switch utility.
Click to determine to which shading groups the Quad Switch utility is connected and connect all the surfaces in those shading groups to the Quad Switch utility.
Removes the currently selected row in the Switch table.
Select the InShape column, then click Map Item to select a texture, file, or placement node to map to the object.
Contains the name of the shape (the object) you want to connect to the Quad Switch utility. You can add as many objects as you want to this column.
When one of the objects in this column is rendered, Maya sets Output to its corresponding value. When none of the objects are rendered, Maya sets Output to equal the Default setting.
Contains the texture, file, or placement node that you want to map to the object. See also Map Item.
For Quad switches, the Default attribute represents the RGB channels of a color.