Modeling Toolkit selection tools

The following tools let you select components in your scene:

	Pick/Marquee	Lets you pick individual components or make rectangular marquee selections. Tip Use + to add components or to subtract components from an existing selection.
	Raycast	Lets you paint a selection by dragging your mouse across a surface. Tip Press Tab to temporarily activate the Raycast tool. Release Tab to return to the previously selected tool.
	Raycast/Marquee	Lets you paint a selection or make a marquee selection. When you drag your cursor across a surface, Maya uses the Raycast tool. When you drag your cursor in the empty space surrounding the object, Maya uses the Marquee tool.
	Tweak/Marquee	Lets you tweak a component or make a marquee selection. When you drag a component, Maya uses Tweak mode. When you drag your cursor in the empty space surrounding the object, Maya uses the Marquee tool. See Tweak mode. Holding ` temporarily activates tweak mode. Quickly pressing ` permanently activates tweak mode. NoteTweak/Marquee mode is only available when a transform tool is selected.

Selection options

Highlight Backfaces: When enabled, backfacing components are highlighted for preselection and are selectable. When this option is disabled, backfacing components are still selectable, but they are not highlighted for preselection.
Preview Loop/Ring: When enabled, displays a live preview of the components that will be included in the loop/ring selection.
To preview a loop/ring, select a component and move the cursor over an adjacent component along the same path while holding shift. See Loop and ring selection.
NotePreview Loop/Ring is only available when a selection mode is active.
Symmetry: Activates symmetry mode. See Enable symmetry.

Selection constraints give you greater control over your selection. You can select from the following options:

Angle: Expands the selection to neighboring polygons that have an angle less than or equal to the value in the angle field.
Border: Restricts your selection to only border lying components. When you select or deselect a single border component, all connected border components are also selected or deselected.
Shell: Automatically expands the selection to all contiguous components.