Autodesk 12812-051462-9011 User Guide 3 - Page 23

have assigned to the material's components. Some maps can themselves contain maps, as in a map applied to one color of a Checker material on page 5808, so the tree can be more than two levels deep, and can actually be as deep as you need it to be. The Material/Map Navigator on page 5357 is a dialog that displays the tree for the current material. It is useful for finding a map and displaying its parameters. Click the map to display its rollouts in the Material Editor. To copy a map to a different component of the same material, you can also drag the map's name from the Navigator to a map button in the Material Editor. The Go Forward To Sibling and Go To Parent buttons also navigate the map tree. Go Forward To Sibling moves laterally in the map tree, while Go To Parent moves up the tree. (To move down the tree, click a map button that has a map assigned to it.) Another way to move between parents and children in the tree is to drop down the material name field on page 5360 and click the name of a map or material. Applying a Material to an Object There are two ways to apply a material to an object: ■ If the sample slot is active and the object is already selected, click Assign Material To Selection on page 5344. ■ Drag from the sample slot to the object. As you drag, a tooltip appears over each object beneath the mouse, showing the object's name. You can apply the material whether the object is selected or not. Release the mouse to apply the material. Applying a material overrides any previous material assignment the object might have had. Once the material is applied, while the sample slot is active, the material is "hot" and changes you make to it affect the object automatically. See Sample Slots on page 5304 for more about hot and cold materials. The Undo command on page 262 works for material assignment. You can apply only one material to an object. To overcome this restriction, use a Multi/Sub-Object material on page 5720. This is a container for various sub-materials that correspond to specified sub-objects such as different faces in a mesh, NURBS surfaces in a NURBS model, and so on. 5278 | Chapter 19 Material Editor, Materials, and Maps