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    Animation
    Legal Notice
    Autodesk® Maya® 2008
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    Table of Contents
    1 Animation Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
    About
    Animation in Maya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
    Controlling animation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
    Previewing animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
    Playing back animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
    Ghosting animated objects. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
    MotionTtrails. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
    Playblasting animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
    Muting animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
    Mute in the Channel Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
    Mute in the Graph Editor and Dope Sheet . . . . . . . . . . . . . . . . . . . . . . . . . 26
    Adding sound to your animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
    Importing sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
    Baking simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
    Animation Snapshot and Animated Sweep. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
    Animation Snapshot-generated geometry. . . . . . . . . . . . . . . . . . . . . . . . . . 28
    Animated Sweep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
    Snapshot and Sweep Construction History . . . . . . . . . . . . . . . . . . . . . . . . 29
    Turntable animation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
    Related topics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
    Animated rotation in Maya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
    Euler angles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
    Quaternions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
    Which type of interpolation is right for your animated rotations? . . . . . . . . . 34
    How do I?
    Edit animation preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
    Use the animation controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
    Set the appearance of key ticks in the Time Slider . . . . . . . . . . . . . . . . . . . . . 37
    Create a turntable animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
    Related topics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
    Preview your animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
    Ghost an object. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
    Change the status of a mute node from the Channel Box . . . . . . . . . . . . . . . . 40
    Apply Motion Trails to an object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
    Animation
    3
    Table of Contents
    Playback animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
    Display the frame rate of an animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
    View object manipulators during playback . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
    Optimize your scene for playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
    Display and UI Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
    Modeling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
    Skeletons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
    Skinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
    Animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
    Playblast animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
    Related topics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
    Add sound to your animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
    Add sound to your animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
    Import an audio file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
    Play an audio file. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
    Set the audio playback settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
    Delete audio from your scene. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
    Set Animation Snapshot and Animated Sweep . . . . . . . . . . . . . . . . . 50
    Set Animation Snapshot and Animated Sweep. . . . . . . . . . . . . . . . . . . . . . . . 50
    Apply animation snapshot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
    Apply animated sweep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
    Turn Animation Snapshot and Animated Sweep on or off . . . . . . . . . . . . . . . . 53
    Delete Animation Snapshot or Animated Sweep construction history . . . . . . . . 53
    2 Keyframe Animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
    About
    Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
    Auto Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
    Keys in the Attribute Editor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
    Keys in the Channel Box, Graph Editor, and Dope Sheet. . . . . . . . . . . . . . . . . 56
    Cutting, copying, and pasting keys between scenes . . . . . . . . . . . . . . . . . . . . 56
    Keys clipboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
    Driven keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
    Linking multiple attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
    Animation
    4
    Table of Contents
    Breakdowns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
    Inbetweens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
    Graph Editor overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
    Animation curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
    Set IK/FK Key curves in the Graph Editor . . . . . . . . . . . . . . . . . . . . . . . . . 60
    Dope Sheet overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
    How do I?
    Set keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
    Set key preferences. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
    Add keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
    Set key options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
    Modify key attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
    Edit the keyability of an object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
    Disable the editability of attributes without deleting them . . . . . . . . . . . . . . . . 64
    Edit keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
    Cut keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
    Copy keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
    Paste keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
    Copy and paste keys in the Graph Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
    Delete keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
    Scale keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
    Snap keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
    Bake keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
    Mute keys in the Dope Sheet or Graph Editor . . . . . . . . . . . . . . . . . . . . . . . . 79
    Create Dope Sheet custom key colors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
    Use Auto Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
    Use Auto Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
    Set Breakdowns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
    Set Breakdowns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
    Convert keys to Breakdowns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
    Convert Breakdowns to keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
    Set Inbetweens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
    Set Inbetweens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
    Animation
    5
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