Chapter 25: about rasterization, Groups and rasterization, 1045 groups and rasterization – Apple Motion 5.1.1 User Manual
Page 1045: Groups, And rasterization, Groups and, Rasterization, About rasterization
1045
Groups and rasterization
Some operations, as well as the application of specific filters or a mask, cause a group to be
rasterized. When a group is rasterized, it is converted into a bitmap image. This affects how the
rasterized group interacts with other objects in the project.
Rasterization affects 2D and 3D groups in different ways. When a 2D group is rasterized, the
blend modes on objects in the group no longer interact with objects outside the group. When
a 3D group is rasterized, the group as a whole can no longer intersect with objects outside the
group. The rasterized 3D group is treated as a single object and uses layer order (in the Layers
list), rather than depth order when composited in the project. (For more information on layer
order versus depth order, see
on page 915.)
When a group is rasterized, cameras and lights in the project still interact with objects in the
rasterized group.
Important:
Lighting in a flattened 3D group does not pass beyond the boundaries of that group,
whether rasterized or not.
The following operations on a 2D group trigger the rasterization of that group:
•
Making Blending changes (to the Opacity, Blend Mode, or Preserve Opacity parameters)
•
Turning on the Drop Shadow parameter
•
Turning on the Four Corner parameter
•
Turning on the Crop parameter
•
Applying any filter
•
Adding a mask
•
Adding a light (if the 2D group the light is added to is nested in a 3D group)
The following operations on a 3D group trigger the rasterization of that group:
•
Making blending changes
•
Applying specific filters
For more information, see
on page 1050.
•
Adding a light to a 3D project with the Flatten parameter enabled (in the Group Inspector)
About rasterization
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