Sapphire Plug-ins for Autodesk: Gradient

Gradient

In the S_Gradient Plugin.

Makes a smooth color gradient across the screen using given Start and End locations and colors, then optionally combines the gradient with a background clip. Increase Add Noise to reduce banding artifacts in the gradient due to color quantization.

Inputs:

Back: The clip to combine the gradient with.

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.

Start: X & Y,   Default: [0 0.75], Range: any, Shared .
The starting location of the gradient. This parameter can be adjusted using the Start Widget.

End: X & Y,   Default: [0 -0.75], Range: any, Shared .
The ending location of the gradient. This parameter can be adjusted using the End Widget.

Add Noise: Default: 0, Range: 0 or greater, Shared .
If positive, this amount of noise is added to the gradient. This can create a grainy effect and eliminate banding in the gradient due to quantization. Set this to 1.0 to enable effective debanding for 8 bit results.

Smooth Curve: Default: 0, Range: 0 to 1, Shared .
If zero, a linear interpolation is used across the screen between the Start and End Color. Increase this value to use a smoother 'S' shaped curve for interpolation which can reduce the visual perception of the gradient's Start and End locations.

Screen Shift: X & Y,   Default: [0 0], Range: any, Shared .
Offsets both the Start and End locations in screen coordinates. This may be helpful when using data from the Tracker.

Negate Shift: Check-box,  Default: off, Shared .
If enabled, the Screen Shift is subtracted from the Start and End locations instead of added. It is also meant to help when using data from the Tracker.

Brightness: Default: 1, Range: 0 or greater, Shared .
Scales the brightness of the gradient image (both the Start Color and End Color).

Start Color: Default rgb: [1 1 1], Shared .
The color of the gradient at the Start location.

End Color: Default rgb: [0 0 0], Shared .
The color of the gradient at the End location

Combine: Popup menu,  Default: Grad Only .
Determines how the gradient is combined with the background.
Grad Only: gives the gradient image alone with no background.
Mult: the background is multiplied by the gradient.
Add: the background is added to the gradient.
Screen: the background is blended with the gradient using a screen operation.
Difference: the result is the difference between the background and gradient.
Overlay: combines gradient and background using an overlay function.

Scale Back: Default: 1, Range: 0 or greater, Shared .
Scales the brightness of the background before combining it with the gradient.

Params2:

Params3:

Mocha: Default: 0, Range: 0 or greater, Shared .
Brings up the Mocha window for tracking footage and generating masks.

Blur Mocha: Default: 0, Range: 0 or greater, Shared .
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, Shared .
Controls the strength of the Mocha mask. Lower values reduce the intensity of the effect.

Invert Mocha: Check-box,  Default: off, Shared .
If enabled, the black and white of the Mocha Mask are inverted before applying the effect.

Show Mocha Only: Check-box,  Default: off, Shared .
Bypass the effect and show the Mocha Mask itself.

Bypass Mocha: Check-box,  Default: off, Shared .
Ignore the Mocha Mask and apply the effect to the entire source clip.
See general info for: Res , On Fields , Redraw , Undo , Load Defaults , Crop , Add Noise , and Use Gamma .


See Also:

GradientRadial
GradientMulti
WipeLine
Sapphire Plug-ins Introduction

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