S_EdgeFlashAdds a glow from the Front clip onto the Back clip, and vice versa, then composites the Front over the Back. This can be used to make a composite look more natural with light flashing between the layers as if exposed on film together.In the Sapphire Composite effects submenu. 
      Inputs:
 
 
 
 
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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. 
- 
   
    Effect:
   
   
    Popup menu,  Default: Original
   
   .
   
Select which processing method to use
- 
     
      
       Original:
      
     
     The original method
     
- LightWrap: An improved method that handles some edge conditions better
 
 - LightWrap: An improved method that handles some edge conditions better
 
 - 
     
      
       Original:
      
     
     The original method
     
 
- 
   
    Mocha Project:
   
   
    Default:
   
   0,
   
    Range:
   
   0 or greater.
   
Brings up the Mocha window for tracking footage and generating masks. 
- 
   
    Blur Mocha:
   
   
    Default:
   
   0,
   
    Range:
   
   0 or greater.
   
Blurs the Mocha Mask by this amount before using. This can be used to soften the edges or quantization artifacts of the mask, and smooth out the time displacements. 
- 
   
    Mocha Opacity:
   
   
    Default:
   
   1,
   
    Range:
   
   0 to 1.
   
Controls the strength of the Mocha mask. Lower values reduce the intensity of the effect. 
- 
   
    Invert Mocha:
   
   
    Check-box,  Default:
   
   off.
   
If enabled, the black and white of the Mocha Mask are inverted before applying the effect. 
- 
   
    Resize Mocha:
   
   
    Default:
   
   1,
   
    Range:
   
   0 to 2.
   
Scales the Mocha Mask. 1.0 is the original size. 
- 
   
    Resize Rel X:
   
   
    Default:
   
   1,
   
    Range:
   
   0 to 2.
   
The relative horizontal size of the Mocha Mask. 
- 
   
    Resize Rel Y:
   
   
    Default:
   
   1,
   
    Range:
   
   0 to 2.
   
The relative vertical size of the Mocha Mask. 
- 
   
    Shift Mocha:
   
   
    X & Y,   Default:
   
   [0 0],
   
    Range:
   
   any.
   
Offsets the position of the Mocha Mask. 
- 
   
    Bypass Mocha:
   
   
    Check-box,  Default:
   
   off.
   
Ignore the Mocha Mask and apply the effect to the entire source clip. 
- 
   
    Show Mocha Only:
   
   
    Check-box,  Default:
   
   off.
   
Bypass the effect and show the Mocha Mask itself. 
- 
   
    Combine Masks:
   
   
    Popup menu,  Default: Union
   
   .
   
Determines how to combine the Mocha Mask and Input Mask when both are supplied to the effect.
- 
     
      
       Union:
      
     
     Uses the area covered by both masks together.
     
- Intersect: Uses the area that overlaps between the two masks.
 
- Mocha Only: Ignore the Input Mask and only use the Mocha Mask.
 
 - Intersect: Uses the area that overlaps between the two masks.
 
 - 
     
      
       Union:
      
     
     Uses the area covered by both masks together.
     
 
- 
   
    Fg Flash Amp:
   
   
    Default:
   
   0.8,
   
    Range:
   
   0 or greater.
   
The amount of flashing from the Front onto the Back. 
- 
   
    Bg Flash Amp:
   
   
    Default:
   
   0.8,
   
    Range:
   
   0 or greater.
   
The amount of flashing from the Front onto the Back. 
- 
   
    Flash Width:
   
   
    Default:
   
   0.088,
   
    Range:
   
   0 or greater.
   
The width of the flashing. This parameter can be adjusted using the Flash Width Widget. 
- 
   
    Fg Lights:
   
   
    Default:
   
   1,
   
    Range:
   
   any.
   
Scales the Front input by this value. Increase for a brighter result 
- 
   
    Fg Darks:
   
   
    Default:
   
   0,
   
    Range:
   
   any.
   
Adds this gray value to the darker regions of the Front input. This can be negative to increase contrast. 
- 
   
    Fg Saturation:
   
   
    Default:
   
   1,
   
    Range:
   
   0 or greater.
   
Scales the color saturation of the Front input. Increase for more intense colors. Set to 0 for monochrome. 
- 
   
    Bg Lights:
   
   
    Default:
   
   1,
   
    Range:
   
   any.
   
Scales the Back input by this value. Increase for a brighter result 
- 
   
    Bg Darks:
   
   
    Default:
   
   0,
   
    Range:
   
   any.
   
Adds this gray value to the darker regions of the Back input. This can be negative to increase contrast. 
- 
   
    Bg Saturation:
   
   
    Default:
   
   1,
   
    Range:
   
   0 or greater.
   
Scales the color saturation of the Back input. Increase for more intense colors. Set to 0 for monochrome. 
- 
   
    Output:
   
   
    Popup menu,  Default: Comp
   
   .
   
Selects between different output options.
- 
     
      
       Foreground:
      
     
     outputs only the Front clip with flashing from the Back.
     
- Background: outputs only the Back clip with flashing from the Front.
 
- Comp: flashes both, composites the Front over the Back, and outputs the result.
 
 - Background: outputs only the Back clip with flashing from the Front.
 
 - 
     
      
       Foreground:
      
     
     outputs only the Front clip with flashing from the Back.
     
 
- 
   
    Subpixel Widths:
   
   
    Check-box,  Default:
   
   off.
   
Enables flashing by subpixel amounts. Use this for smoother animation of the flash width. 
- 
   
    Comp Premult:
   
   
    Check-box,  Default:
   
   on.
   
Disable this if you have provided a separate Matte input and the Foreground pixel values have not been pre-multiplied by this Matte. 
- 
   
    Matte Use:
   
   
    Popup menu,  Default: Alpha
   
   .
   
Determines how the Matte 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.
 
 - Alpha: only the Alpha 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 output matte are inverted. 
- 
   
    Shrink- Grow+:
   
   
    Default:
   
   0,
   
    Range:
   
   any.
   
Amount to grow the matte edges in approximate pixels, or shrink if negative. 
- 
   
    Edge Softness:
   
   
    Default:
   
   1,
   
    Range:
   
   0.01 or greater.
   
The resulting softness of the edges. 
- 
   
    Post Blur:
   
   
    Default:
   
   0,
   
    Range:
   
   0 or greater.
   
If positive, the result is blurred by this amount. This is an alternative method for softening the edges. 
- 
   
    Noise Amplitude:
   
   
    Default:
   
   0,
   
    Range:
   
   0 or greater.
   
The amount of noise texture to add to the edges. 
- 
   
    Noise Width:
   
   
    Default:
   
   0.0224,
   
    Range:
   
   0 or greater.
   
The width of the area at the matte edges where the noise is included. This has no effect unless Noise Amplitude is positive 
- 
   
    Frequency:
   
   
    Default:
   
   100,
   
    Range:
   
   0.1 or greater.
   
The frequency of the noise. Increase for finer grain noise, decrease for coarser noise. This has no effect unless Noise Amplitude is positive. 
- 
   
    Octaves:
   
   
    Integer,  Default:
   
   1,
   
    Range:
   
   1 to 10.
   
The number of summed layers of noise. Each octave is twice the frequency and half the magnitude of the previous. This has no effect unless Noise Amplitude is positive. 
- 
   
    Seed:
   
   
    Default:
   
   0.23,
   
    Range:
   
   0 or greater.
   
Used to initialize the random number generator. The actual seed value is not significant, but different seeds give different results and the same value should give a repeatable result. 
- 
   
    Noise Shift:
   
   
    X & Y,   Default:
   
   [0 0],
   
    Range:
   
   any.
   
The horizontal and vertical translation of the noise texture. 
- 
   
    Show Flash Width:
   
   
    Check-box, Default:
   
   on.
   
Turns on or off the screen user interface for adjusting the Flash Width parameter.