Instruction Manual

Chapter 19 Filters 744
Filter performance considerations
In large projects with complex motion graphics, applying multiple lters can adversely aect
your computer’s performance. To ensure smooth playback, use the following suggestions to
optimize your use of lters:
•
When multiple layers are aected by a lter, rather than applying the lter multiple times,
place the targeted layers in a single group and apply the lter to the group.
•
When applying lters to very large 2D groups (such as a group containing a growing particle
system), select the Fixed Resolution checkbox in the Group Inspector. When Fixed Resolution
is enabled, layers in the group that expand beyond the edges of the Canvas are cropped,
reducing the processing load on your computer. For more information, see Constrain group
size on page 160.
Filters aect text, 2D groups, and 3D groups in dierent ways. For more information, see 2D
group properties on page 927 and 3D group properties on page 927.
Filters and cropping
In Motion’s normal order of operations, cropping is always applied after lters are applied. In
order to apply a lter after a crop, you can crop the image at the media level or apply the lter at
the group level.
Crop the image at the media level
1 Select the image or clip in the Media list (in the Project pane).
2 In the Media Inspector, click the Crop disclosure triangle, then use the sliders to crop the image.
3 Select the layer in the Layers list, then apply the lter.
Apply a lter at the group level
1 In the Layers list, select the cropped layer, then choose Object > Group (or press
Shift-Command-G).
2 Apply the lter to the new group.
Adjust lters
Adjust lters overview
After you apply a lter to an object, the lter is represented in the following places in the Motion
project window, allowing you to make adjustments:
•
In the Layers list, underneath the object it was applied to, where you can select the lter, turn
its eect on or o, or lock it to prevent modication
•
In the Timeline layers list, underneath the object it was applied to, where you can select the
lter, turn its eect on or o, or lock it to prevent modication
•
In the Timeline track area, as a purple bar underneath the blue bar of the object it was applied
to, where you can select the lter and modify its timing by slipping or trimming the bar
•
In the Canvas, where you can manipulate the lter’s onscreen controls (where available)
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