5.5

1049Motion User Guide
Most of the color screen should disappear and be replaced by the image in the layer
underneath the foreground layer in the Layers list. You can add as many selection
rectangles as necessary to sample areas of the color screen (for example, highlights or
shadows on the color screen) to achieve a better result.
If the edges of the foreground subject are too sharp, use the Edges tool to soften the
foreground edges. The Edges tool is also effective for fine-tuning semitransparent
features such as smoke, glass reflections, and shadows.
5. In the Filters Inspector or HUD, click to select the Edges tool.
6. In the canvas, drag over the edge of the foreground subject and, when an Edges control
line appears, keep dragging so that one end point lies in the interior of the foreground
subject and the other end point lies in the background.
7. In the canvas, drag the center handle of the Edges control line to adjust the edge
transparency of the keyed subject.
You can also set the View mode to Matte in the Filters Inspector, which helps you see
the effect of using the Edges tool.
Tip: To see how the Edges control alters the outer softness graph of the Chroma
control and the bottom softness handles of the Luma controls, look at the Color
Selection controls in the Filters Inspector as you make adjustments. (Click the
disclosure triangle beside the Color Selection parameter to see the controls.)
Set your own key colors using keyboard shortcuts
When manually sampling colors to create a key, you can use keyboard shortcuts instead of
clicking the Sample Color tool and Edge tool in the Inspector.
1. In the Layers list in Motion, select the Keyer filter to adjust.
2. Do one of the following:
• To create a Sample Color selection rectangle, press and hold the Shift key while
dragging over the color you want to key in the canvas.
• To create an Edges sampling control, press and hold the Command key while
dragging to draw a line that crosses over the edge of the subject you’re keying in
the canvas.