User Guide

CONTENTS
vi
Fine-tuning Animation Chapter 6
Controlling change through interpolation . . . . . . . . . . . . . 199
Comparing interpolation methods . . . . . . . . . . . . . . . . . . . . 201
Changing the interpolation method . . . . . . . . . . . . . . . . . . 204
Using the Value graph to change a layer property
value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Adding keyframes to a Value graph . . . . . . . . . . . . . . . . . . . 211
Factors affecting speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Controlling speed along a motion path . . . . . . . . . . . . . . . 213
Fine-tuning speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Time-stretching a layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Using the Time-Reverse Keyframes keyframe
assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Reversing the playback direction of a layer . . . . . . . . . . . . 225
About time-remapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Working with Masks and
Transparency
Chapter 7
Using a footage item with an alpha channel . . . . . . . . . . . 238
Working with masks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Creating masks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Drawing rectangular and oval masks . . . . . . . . . . . . . . . . . . 240
About Mask Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Drawing a Bezier mask with the pen tool . . . . . . . . . . . . . . 242
Selecting masks and control points . . . . . . . . . . . . . . . . . . . 244
Scaling and rotating selected masks or points . . . . . . . . . 245
Changing the shape of a mask . . . . . . . . . . . . . . . . . . . . . . . . 247
Feathering mask edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Adjusting the edges of a mask . . . . . . . . . . . . . . . . . . . . . . . . 250
Adjusting the opacity of a mask . . . . . . . . . . . . . . . . . . . . . . . 250
Specifying which parts of a mask are inside
and outside . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Moving a mask and panning a layer behind a mask . . . . 251
Specifying one mask as the target for animation . . . . . . 253
Animating a mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Importing masks from Adobe Illustrator and
Adobe Photoshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Applying effects to a mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Creating visible lines and solid shapes from masks . . . . 256
UG.book Page vi Wednesday, February 21, 2001 12:05 PM