ADOBE AFTER EFFECTS 7.0
User Guide
399
Original (left); effect applied to layer created from solid with Fractal Noise effect (center); result (right)
Adjust the following controls for the Compound Arithmetic effect:
Second Source Layer Specifies the layer to use with the current layer in the given operation.
Operator Specifies the operation to perform between the two layers.
Operate On Channels Specifies the channels to which the effect is applied.
Overflow Behavior Specifies how pixel values that exceed the allowed range are treated.
• Clip Indicates that the values are limited to the allowed range.
• Wrap Indicates that values exceeding the allowed range wrap around from full on to full off, and vice versa.
• Scale Indicates that the maximum and minimum values are calculated and the results are stretched down from
that full range to the range of allowable values.
Stretch Second Source To Fit Scales the second layer to match the size (width and height) of the current layer. If this
option is deselected, the second layer is placed at its source’s current size, aligned with the upper left corner of the
source layer.
Blend With Original Adjusts the opacity of the second source layer so it blends with the original layer.
Invert effect
The Invert effect inverts the color information of an image.
This effect works with 8-bpc and 16-bpc color.
Original (left); effect applied to layer created from solid with Fractal Noise effect (center); result (right)
Adjust the following controls for the Invert effect:
Channel Specifies which channel or channels to invert. Each group of items operates in a particular color space,
invertingeithertheentireimageinthatcolorspaceorjustasinglechannel.Alpha(notacolorspace)providesaway
to invert the alpha channel of the image.
Blend With Original Combines the inverted image with the original. You can apply a fade to the inverted image.
To Next Page
Loading...