3D Compositing with Action > Action: Masks > Manipulating Vertices and Tangents >
Selecting Vertices and Tangents

You can select vertices and tangent handles when Move is selected in the Edit Mode box.

- To select an individual vertex or tangent handle, click the vertex or tangent handle.
- To select multiple vertices, Ctrl-drag a selection box over a series of vertices.
- To select multiple vertices using the pen, press the pen button and drag a selection box over a series of vertices.
- To add more vertices to an existing selection, press Shift+Ctrl and drag a selection box over the additional vertices.
- To deselect all vertices, click anywhere outside the mask.