Apple Motion 3 - Manual (Page 710)

710 Chapter 8 Working with Particles
Note: When a group is rasterized, cameras and lights in the project still interact with
objects within the rasterized group.
Changes to the following parameters trigger the rasterization of a group:
2D Groups
 Making blending changes (Opacity, Blend Mode, Preserve Opacity)
 Turning on Drop Shadow
 Turning on Four Corner
 Turning on Crop
 Applying any filter
 Adding a mask
 Adding a light
3D Groups
 Making blending changes
 Applying certain filters
 Adding a light to a 3D group with the Flatten parameter enabled (in the Group tab of
the Inspector)
Once an operation causes a group to rasterize, the following occurs:
 A rasterization indicator appears next to the parameter in the Properties tab.
 A small outline appears around the icon of the rasterized 2D group, 3D group,
emitter, replicator, or text object in the Layers tab and Timeline layers list.
Note: Unlike vector graphics, rasterized groups lose quality when scaled.
For more information on rasterization and 3D groups, see “ 3D Compositing ” in the
Motion Supplemental Documentation PDF.
Rasterization indicator
Rasterization frame