2011

Table Of Contents
drag. You can then modify the displayed parameters by clicking the image
and dragging the highlighted slider.
NOTE To reset Matte parameters, click the Reset button under the Master
Keyer UI. All matte parameters are reset, except the Mix field and the key
colors.
Removing Unwanted Grays Using Patches
If you have unwanted gray areas in the matte, you can use patches to isolate
a range of colors to be included in, or excluded from, the key.
NOTE Patch parameters are animatable.
To remove unwanted grays using patches:
1 Set a Player view to Tool Output and, with the selection on Keyer super
tool node, cycle to the alpha outputsee
Cycling Through Inputs and
Outputs
on page 71.
2 Select Patch from the Sample menu or press Shift + the number associated
with the patch. For example, Shift + 1 for Patch 1.
3 Select Patch 1 or create a new patch from the Patch menu.
Removing Unwanted Grays Using Patches | 529