Select masks, segments, and vertices – Adobe After Effects User Manual
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Note:
Select all points on a path and enter free-transform mode
Double-click a path segment while in path-editing mode or in group selection mode for a single shape.
Select the Path property in the Timeline panel and press Ctrl+T (Windows) or Command+T (Mac OS).
Select masks, segments, and vertices
Unlike layers, masks can have more than one level of selection. You can select a mask as a whole path, which is appropriate when you want to
move or resize a mask. However, if you want to change the path of a mask, select one or more points on it. Selected points appear solid, and
unselected points appear hollow.
To specify the size of Bezier direction handles and vertices for masks and shapes, choose Edit > Preferences > General (Windows) or After
Effects > Preferences > General (Mac OS), and edit the Path Point Size value.
Select or deselect masks in the Layer or Composition panel
To select a vertex on a mask, click the vertex with the Selection tool . To add vertices to the selection, Shift-click them.
To select a mask segment, click the segment with the Selection tool. To add segments to the selection, Shift-click them.
To select an entire mask, Alt-click (Windows) or Option-click (Mac OS) a segment, vertex, or handle of a mask with the Selection tool, or
select any portion of the mask and choose Edit > Select All or press Ctrl+A (Windows) or Command+A (Mac OS). To add masks to the
selection, Alt+Shift-click (Windows) or Option+Shift-click (Mac OS) them.
To select masks by dragging, select a mask or portion of a mask to enter mask editing mode and then drag with the Selection tool to draw a
marquee-selection box completely around the vertices or masks that you want to select. To add masks or vertices to the selection, hold
down the Shift key as you draw additional marquee-selection boxes.
To select all masks on a layer, select a mask on the layer, and choose Edit > Select All or press Ctrl+A (Windows) or Command+A (Mac
OS).
To deselect all masks, press Ctrl+Shift+A (Windows) or Command+Shift+A (Mac OS).
To select an adjacent mask on a layer, press Alt+accent grave (`) (Windows) or Option+accent grave (`) (Mac OS) to select the next mask, or
Shift+Alt+accent grave (`) (Windows) or Shift+Option+accent grave (`) (Mac OS) to select the previous mask.
To deselect a mask, click anywhere other than on the mask.
To remove a vertex or segment from a selection, Shift-click the vertex or segment.
To use the Selection tool when the Pen tool is selected, hold down Ctrl (Windows) or Command (Mac OS).
Select masks in the Timeline panel
1. Click the right arrow next to a layer name to expand it.
2. Click the right arrow next to the Masks heading to expand it, revealing all masks on that layer.
3. Do any of the following:
To select one mask, click its name.
To select a contiguous range of masks, Shift-click the names of the first and last masks in the range.
To select discontiguous masks together, Ctrl-click (Windows) or Command-click (Mac OS) the names of any masks you want to include.
You can select only whole masks in the Timeline panel. To select individual vertices on a mask, use the Composition or Layer panel.
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