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A color correction filter which lets you swap the red, green and blue channels, as well as their inverse. Channel Swap also lets you pick the luminance (and inverse luminance) values during this operation.

Effect Parameters

Presets
Presets contain a snapshot of the plug-in parameters. The Presets control lets you choose among one of the presets built into the plug-in, save current parameter values to a preset file, or load an existing preset file from disk.
A preset file saved to disk via the "Save As" button can be loaded from another instance of the same plug-in by clicking the "Open" button. Presets generated in one host can also be loaded from the same plug-in when used in a different host.

Red/Green/Blue/Alpha Source
These popup menu parameters let you assign a new value to each channel. You may pick the source to be RGB channels, the luminance information in the original image, as well as the inverse.

Mask
By default, the effect is applied to the entire image. The Mask parameter group gives you options for applying the effect only to specific parts of the image.

Mask Popup Menu
This popup menu lets you choose mask shape. The default setting is "None", which means that the effect is applied to the entire image. The available options include the most common shapes used for masking out effects. You may also supply your own mask shape by choosing the "Use Custom Mask" option in this parameter and dropping your own media into the "Custom Mask" image well parameter.

Oval	Rectangular	Gradient
Bar	Ring	Custom Mask

Custom Mask
This image well lets you supply your own mask shape when the "Use Custom Mask" option is set in the Mask popup menu parameter. Mask shapes should be grayscale images. In Final Cut Pro, Final Cut Express and Motion, this parameter is available as an image well. You can drag and drop any media currently imported in your project onto the image well to assign it to the parameter:

To clear an image previously assigned to the well in Final Cut Pro or Final Cut Express, right-click on the drop area and select the “Clear” option. To clear the image well in Motion simply drag any media away from the drop area. Image wells can be used with video as well as static images.
In After Effects, this parameter is available as a layer selection menu. Select an existing layer to assign its contents to the parameter. You can clear any layer selection by choosing the first option in the layer selection menu.

Mask Center
The position of the mask shape on the frame.

Mask Scale
The scaling factory of the mask.

Mask Aspect Ratio
The aspect ratio of the mask shape. The default value of 1 will generate a circle when the current shape is "Oval", and a square if the current shape is "Rectangular". An aspect ratio of 1 will also ensure that any custom mask image you supply via the image well is maintained at its native aspect ratio.

Mask Angle
The angle of rotation of the mask.

Mask Softness
Controls the smoothness of the transition between the in and out areas of the mask shape (indicated by white and black, respectively). When using a custom mask shape, this parameter controls a gaussian blur applied to the image to soften its color values.

Mask Invert
Controls whether the shape defined by the current settings is inverted. For example, an "Oval" mask will apply the effect inside the oval shape. By enabling this option, the effect will be applied outside the oval, hence simulating a common vignette.

Mask Preview
When this parameter is enabled, the effect renders a preview of the mask shape. This mode is helpful in setting up a precise mask shape when finalizing the effect setup.

Color Space
This parameter allows you to choose a working color space for the effect. When the “Linear” option is selected, the plug-in will convert all color values to a non-gamma-corrected format. When the “Uncorrected” option is selected, the color values supplied by the host will be used directly, without conversion. It may help to choose “Uncorrected” when dealing with smooth gradients or vector-art backgrounds, or if you have already applied gamma correction to your source media in a previous step of your workflow.