User Manual

Vector Motion Blur
Using the forward XY Vector channels, the Vector Motion Blur tool can apply blur in the
direction of the velocity, creating a motion blur effect.
Volume Fog
Volume Fog renders Fog, in real time, using a light rendering raymarcher technique. World
Position channels are used to determine light ray termination and volume dataset placement. It
can also use cameras and lights from a 3D scene to set the correct ray start point and
Illumination parameters.
Volume Mask
Volume Mask uses the World Position channels to set a mask in 3D space as opposed to screen
space. This allows a mask to maintain perfect tracking through a camera move.
TIP: The Object ID and Material ID auxiliary channels can be used by some tools in
Fusion to generate a mask. The Use Object and Use Material settings used to
accomplish this are found in the Settings tab of that node’s controls in the Inspector.
Chapter – 69 Understanding Image Channels 1407