System information
4. Click and drag in the workspace to create a mask.
n Hold Shift while dragging to constrain the mask to a square or circular shape.
n Hold Ctrl while dragging to scale the mask shape from its center.
n When creating an oval or circular mask, hold the left or right Alt key to create a half-oval (or
half-circle) mask.
n When creating a rectangle or square mask, hold Alt to create a mask with rounded corners.
5. Double-click the mask shape in the workspace to edit its properties. For more information, see
"Editing a mask" on page 279.
Masking event effects
You can use the Apply to FXcontrol on the left side of the Video Event FX window to mask video event
effects.
1. Apply an effect to your video event. For example, if you wanted to blur a subject's face, you could
use the Pixelate plug-in.
For more information, see "Applying video effects" on page 315.
2. Create a mask around the portion of the event where you want the effect applied.
For more information, see "Creating a Bézier mask" on page 276 or "Creating a rectangular or oval
mask" on page 277.
3. Select the Mask check box in the keyframe controller at the bottom of the Video Event FXwindow
and expand the Mask heading on the left side of the window.
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