User Manual

X, Y, and Z Normals
The X, Y, and Z Normal channels contain information about each pixel’s orientation (the
direction it faces) in 3D space.
XYZ Normals.
XY Vector and XY BackVector
The Vector channel indicates the pixel’s motion from frame to frame. It can be used to apply
motion blur to an image as a post process or to track pixels over time for retiming. The XY
Vector points to the next frame, while the XY BackVector points to the previous frame.
XY Vector.
XYZ Position
The XYZ Position channels indicate where each pixel is assigned; the XYZ position of its
location is in 3D space, typically in world coordinates. This can be used, like Z-depth, for
compositing in depth but can also be used for masking based on 3D position, regardless of
camera transforms.
XYZ Position.
Chapter – 69 Understanding Image Channels 1402