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– Hue Soft: Widens or narrows the falloff at both sides of the currently selected range of hue.
– Hue Symmetry: Lets you selectively alter the angle of Hue Soft falloff at either the right or left
side. Lowering this parameter makes the softness to the right of the hue range grow steeper.
Raising this parameter makes the softness to the left of the hue range grow steeper.
– Sat Low/High: Two parameters let you define the upper and lower range of saturation
being isolated.
– Sat Low Soft/High Soft: Two parameters let you define the upper and lower softness falling off
outside the current range of saturation.
– Lum Low/High: Two parameters let you define the upper and lower range of luma being isolated.
– Lum Low Soft/High Soft: Two parameters let you define the upper and lower softness falling off
outside the current range of luma.
RGB Qualification Controls
The RGB Qualifier mode lets you isolate range and softness in the Red, Green, and Blue channels of
an image. While this is not necessarily an intuitive way of manually creating a qualification from scratch,
it can provide a different way of isolating potentially trickier ranges of the RGB color space.
If you start by sampling the image, then you can widen and narrow each color channel’s isolated range
of values. In some cases, you may find it’s faster to isolate a specific range of continuous color by
adjusting these controls.
RGB qualification controls
The RGB parameters include:
– Red Low/High: Two parameters let you define the upper and lower range of the Red channel
being isolated.
– Red Low Soft/High Soft: Two parameters let you define the upper and lower softness falling off
outside the current range of red.
– Blue Low/High: Two parameters let you define the upper and lower range of the Blue channel
being isolated.
– Blue Low Soft/High Soft: Two parameters let you define the upper and lower softness falling off
outside the current range of blue.
– Green Low/High: Two parameters let you define the upper and lower range of the Green channel
being isolated.
– Green Low Soft/High Soft: Two parameters let you define the upper and lower softness falling off
outside the current range of green.
Chapter 133Secondary Qualifiers 2661
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