Apple Motion 5.1.1 - Manual (Page 769)

Chapter 19 Filters 769
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Alpha - Red: Sets the amount of input red added to the output alpha. The default value is 0,
which leaves the alpha channel unmodified. As this value increases, the output value of pixels
with nontransparent alpha increases by the amount of input red multiplied by the value of
Alpha - Red.
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Alpha - Green: Sets the amount of input green added to the output alpha. The default value
is 0, which leaves the alpha channel unmodified. As this value increases, the output value of
pixels with nontransparent alpha increases by the amount of input green multiplied by the
value of Alpha - Green.
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Alpha - Blue: Sets the amount of input blue added to the output alpha. The default value is 0,
which leaves the alpha channel unmodified. As this value increases, the output value of pixels
with nontransparent alpha increases by the amount of input blue multiplied by the value of
Alpha - Blue.
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Alpha - Alpha: Sets the amount of input alpha added to the output alpha channel. The default
value is 1.0, which leaves the alpha channel unmodified. As this value increases, more alpha
is added to the pixels in the alpha channel. Values above 1 have no effect, unless the alpha is
eroded by negative values in other alpha parameters.
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Monochrome: Sets the filter to monochrome mode. In monochrome mode, all three color
channels are affected by the Red controls.
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Allow Mono > 1: Allows monochromatic color channels to be set to values greater than 1. By
default, this checkbox is selected. Color values are normally between 0 and 1, but can go over
1 or below 0 because the project’s bit depth is set to 16 bits per channel. If this checkbox is
deselected, each Red color output control is linked. Moving any of them causes the others
to adjust so the total value remains at 1.0. The filter must be in monochrome mode for this
parameter to be active.
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Include Alpha: Sets whether to include the alpha channel in the mono calculation. The filter
must be in monochrome mode for this parameter to be active.
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Mix: Sets the percentage of the original image to be blended with the color-corrected image.
Color Balance
Color balance refers to the relative strength of the red, green, and blue channels that constitute
an image. For example, a blue-tinted image has a strong blue channel and weaker green and
red channels.
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