| Options | Update
Defines how your scene is played back.
To display: Choose from the Playback panel below the timeline.
For more information about the playback in general, see Playing Animations or Simulations [Viewing and Playback].
Options
Timing
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Sets the frame number to appear at the beginning of the timeline. This value must be within the Global In/Out values.
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Sets the frame number to appear at the end of the timeline. This value must be within the Global In/Out values.
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Specifies the number of the currently viewed frame in the viewport.
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Specifies the current keyframe on the timeline.
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Start frame for the timeline range, which defines the number of frames available for the scene.
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End frame for the timeline range, which defines the number of frames available for the scene.
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Sets the frame number where the loop begins. Yellow markers appear on the timeline showing the frame range of the loop.
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Sets the last frame before the scene resets to the beginning of the loop.
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Causes the played-back scene to be repeated in a continuous loop until the play button is pressed a second time. This control
has the same effect as using the Loop button in the Playback panel below the timeline.
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Precision
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Sets the interval at which frames are played back in the viewport. A value of 2 causes the viewports to display only every
second frame in the viewport during playback.
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Sets the speed at which frames are played back in the viewport (fps = frames per second). If you select Custom, you must define the number of frames per second in the text box.
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Displays the selected speed at which frames are played back in the viewport.
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Fr. Rate change: keep fcurve timings fixed
Allows function curves to maintain their keyframes at the original frame values when the frame rate is changed.
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The values of the keys at the current frame appear to change.
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The fcurves are scaled to compensate for the change in frame rate.
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Update
These options help you determine exactly which objects are updated and how during animation playback.
For other tips on playback optimization, see Optimizing the Playback Speed [Viewing and Playback].
Update Options
By specifying the update options for Selected Objects and near or far Unselected Objects, you can visualize exactly what you
need while eliminating unnecessary animation. You can decide what kind of animation should be displayed for these objects.
Selected Objects
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Specifies the type of animation that should be displayed for the selected objects: all, none, SRT (transformations), geometry,
other, or any combination.
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Unselected Objects
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Specifies which unselected objects in the foreground update as the scene is played back. The distance at which objects are
considered to be near is set by the parameter.
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Specifies which unselected objects in the background update as the scene is played back. The distance at which objects are
considered to be far is set by the parameter.
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Distance Threshold (to Camera)
For the Distance Threshold,
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The threshold in Softimage units at which objects that fall within this distance from the camera are considered near. All
other objects are considered far. This is a good way of playing back only the objects that are closer to the camera.
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Updates groups with animated visibilities at each frame change.
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On-Frame-Change-Script
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Executes a script whenever a frame is displayed. Enter the script name in this box.
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Playback Options from the Playback panel below the timeline.
