Apple Motion 4 - Manual (Page 275)

When enabled, the Fixed Resolution parameter crops the group to the size specified in
the Fixed Width and Fixed Height parameters. This means that if the group’s anchor point
is offset, the cropping may not occur around the edges of the Canvas, and objects may
become cut off.
Selected group with an offset anchor point before Fixed
Resolution is turned on.
Selected group with Fixed Resolution turned on and set to
project size. Notice that the text objects are cut off.
Anchor point
Anchor point
To fix the resolution of a group
1 In the Layers tab (or the Timeline layers list), select the group.
2 In the Inspector, click the Group tab.
3 Turn on the Fixed Resolution checkbox.
Fixed Resolution enabled
275 Chapter 6 Creating and Managing Projects