Rendering menu > Render To Texture > Render to Texture dialog > Objects to Bake rollout
This rollout has controls for the texture baking of individual objects. It lets you choose which map channel the texture will use, which elements will be rendered, and at what sizes. It also lets you control filename generation, and assign the format of rendered texture elements.
Render To Texture: General Settings Rollout
Render To Texture: Output Rollout

Enable—When on, the Channel and Padding controls are used for individual, all selected, and all prepared objects. When off, only selected object texture rendering uses these settings; “whole scene” rendering does not. Default=off.
Padding—The amount, in pixels, that edges are allowed to overlap in the flattened (“unwrapped”) texture. Default=2 pixels.
If the baked texture shows visible seams when you view it in shaded viewports or renderings, try increasing this value.
Object—These controls are for basing the rendered texture on the object level of the source object.
Use Existing Channel—When chosen, unwrapping uses an existing map channel.
Channel—When Use Existing Channel is active, lets you choose the channel to use for unwrapping.
Use Automatic Unwrap—(The default.) When chosen, uses automatic unwrapping, and applies an “Automatic Flatten UVs” (Unwrap UVW) modifier to the objects whose texture is being rendered.
Note: The sub-object settings are not available because the Projection modifier is not provided with Autodesk VIZ.
Clear Unwrappers—Clears the unwrap modifiers from the stack.
The radio buttons at the bottom of the rollout let you choose which objects to bake. See Render To Texture Dialog for procedures.
Individual —Allows you to select each object and choose a set of output maps and targets for it. The list will display all selected objects.
All Selected—(The default.) Displays all the selected objects.
All Prepared—The list will display all visible and unfrozen objects in the scene, selected or not, which have unwrapped mapping on them.