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S_RackDfCompComposites the Foreground over the Background while defocusing both layers by different amounts. The Foreground alpha channel is used as the matte. If the Middle input is provided, it is composited between the Foreground and Background.In the Sapphire Blur+Sharpen category.
Inputs:
|
|
Parameters:
-
Load Preset:
Push-button
.
Brings up the Preset Browser to browse all available presets for this effect.
-
Save Preset:
Push-button
.
Brings up the Preset Save dialog to save a preset for this effect.
-
Defocus Foreground:
Default:
0.1,
Range:
0 or greater.
The amount to defocus the Foreground and its Matte. This parameter can be adjusted using the Fg Defocus Widget.
-
Defocus Background:
Default:
0,
Range:
0 or greater.
The amount to defocus the Background. This parameter can be adjusted using the Bg Defocus Widget.
-
Rel Height:
Default:
1,
Range:
0.01 or greater.
The relative height of the iris shape. If it is not 1, circles become ellipses, etc.
Lens Parameters:
-
Shape:
Popup menu, Default: Circle
.
Determines the shape of the simulated camera iris.
-
Circle:
round.
-
3 sides:
triangle.
-
4 sides:
square.
-
5 sides:
pentagon.
-
6 sides:
hexagon.
-
7 sides:
etc.
-
Circle:
round.
-
Show Shape:
Check-box, Default:
off.
Show the iris shape instead of the defocused image.
-
Roundness:
Default:
0,
Range:
any.
Modifies the shape of the simulated camera iris. A value of 1 produces a circle; 0 gives a flat-sided polygon with a number of sides given by the Shape parameter. Less than 0 causes the sides to squeeze inward giving a star shape, while a value greater than 1 causes the corners to squeeze inward, giving a flowery shape. Has no effect if the Shape is set to Circle.
-
Rotate:
Default:
0,
Range:
any.
Rotates the iris shape.
-
Bokeh:
Default:
0,
Range:
any.
Softens the outer edge of the iris shape, which gives a softer look to the defocused highlights. A negative value darkens the center of the iris shape, producing a ring-like defocus shape.
-
Lens Noise:
Default:
0,
Range:
0 or greater.
Increase to add noise to the iris shape, dirtying up the defocus a little. Can make the result more realistic. Turn up past 1 for a more stylistic result.
-
Noise Freq:
Default:
40,
Range:
0.01 or greater.
The frequency of the added noise. Ignored if Lens Noise is zero.
-
Noise Freq Rel X:
Default:
1,
Range:
0.01 or greater.
The relative horizontal frequency of the added iris noise. Increase to stretch it vertically or decrease to stretch it horizontally.
-
Noise Seed:
Default:
0.123,
Range:
0 or greater.
The seed value for the added noise. To make the noise appear different on each frame, animate this to be different on each frame. The actual value doesn't matter; only that it's different.
Other Parameters:
-
Use Gamma:
Default:
1,
Range:
0.1 or greater.
Values above 1 cause highlights in the source clip to keep their brightness after the defocus is applied.
-
Matte Gamma:
Default:
1,
Range:
0.1 or greater.
The gamma value to use for the defocus of the Matte.
-
Boost Highlights:
Default:
0,
Range:
0 or greater.
The amount to increase the luma of the highlights in the source clip. Increase this parameter to blow out the highlights without affecting the darks or mid-tones.
-
Highlight Threshold:
Default:
0.9,
Range:
0 or greater.
The minimum luma value for highlights. Pixels brighter than this will be brightened according to the Boost Highlights parameter.
-
Matte Use:
Popup menu, Default: Alpha
.
Determines how the Foreground input channels are used to make a monochrome matte.
-
Luma:
the luminance of the RGB channels is used.
-
Alpha:
only the Alpha channel is used, or if there is no
valid Alpha channel the Red channel is used.
-
Luma:
the luminance of the RGB channels is used.
-
Invert Matte:
Check-box, Default:
off.
If enabled, the black and white of the matte are inverted before use.
-
Comp Premult:
Check-box, Default:
on.
Enable this for a better composite if the Foreground pixel values have been pre-multiplied by the Matte pixel values. This is also known as an 'additive' composite.
-
Edge Mode:
Popup menu, Default: Reflect
.
Determines the behavior when accessing areas outside the source image.
-
Black:
Areas outside the source image are treated as black, which can produce
dark areas around the edges of the image.
Select this for fastest rendering.
-
Repeat:
Repeats the last pixel outside the border of the image.
-
Reflect:
Reflects the image outside the border.
-
Black:
Areas outside the source image are treated as black, which can produce
dark areas around the edges of the image.
Select this for fastest rendering.