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Generating Mattes

Creating and Refining a Key

Blending Front and Back Clips

 

Effects > Keyer > Creating and Refining a Key > 

Removing Colour Spill

After you create and refine a matte for the key, you can remove colour spill by gesturally modifying the Spill parameters. You can also remove colour spill by using the Spill controls in the Range or Colour menu. For instructions on using Spill controls, see Adjusting Spill Controls.

To gesturally remove colour spill:

1. In the Master Keyer menu, select Spill from the Sampling box (or press S).

   
   

2. Set the view to Result view.

   
   

3. Enable Auto CC to apply the Spill settings to the front clip.

   
   

4. Remove any colour spill. Click anywhere in the image window, and then modify the parameters that appear by dragging the sliders—you do not need to click a specific area.

   Drag:	To:
   Range	Set the range for the removal of colour spill along the edges of the key. Drag right to soften the edge and remove colour spill further into the key. Drag left to harden, or create a thinner, edge.
   Hue	Modify and suppress colours that are adjacent to the primary sample.

   The red indicator shows the original value and the yellow indicator shows the current value. The values also appear in the Spill fields. The original values should be good, so make small adjustments only.

5. To modify both parameters, move the mouse between them to highlight a parameter, or drag the pen vertically. When you highlight the parameter you want to adjust, drag the slider.

   If you do not like the result, you can click Undo to reset parameters directly after you complete an operation. There is only one level of undo in the Keyer menu.

6. When you are finished modifying the displayed parameters, click another area of the image without highlighting a parameter to hide them. Alternatively, you can press any key, such as spacebar or Esc.

   The parameters are no longer displayed.