Apple Shake 4 New Features - Manual (Page 102)

102 Chapter 3 Compositing With the MultiPlane Node
Individual Layer Parameters
Opening up a layer’s parameter subtree reveals a group of compositing and transform
parameters affecting that particular layer.
layerName
The name of the layer. All associated parameters for that layer are prefixed by the
layerName.
opacity
Opacity of the input layer. With an imported Photoshop file, there is an additional
PSOpacity parameter. See “Supported Photoshop Transfer Modes” on page 476 of the
Shake 4 User Manual for more information.
preMult
When this is on (1), the foreground image is multiplied by its alpha mask. If it is off (0),
the foreground image is assumed to already be premultiplied.
compChannels
Sets which image channels are passed up from below (behind) this layer.
addMattes
This parameter appears when a layer is set to Over. When enabled (1), the mattes are
added together to create the composite.