Thus the track adjacent to Sphere1 | Radius is track for animating raduis of source with name Sphere1.
The tree on the leff-hand side of the Track Editor lists the name of the source/filter or its property which the track adjacent to it animates. The Track Editor provides a GUI to edit/adjust keyframe in tracks. As of 2.2, this does not affect the source/properties shown in Source Property menus, only the tracks shown in the Track Editor. When enabled, tracks for all animatable properties are shown. Show all animatable properties: to minimize the tracks shown in the track editor, when this check is off, a small subset of the tracks are visible in the Track Editor. Record All properties controls when recording an animation (explained later), if all property changes are recorded or only those in the property controlled by the Current Track. When enabled, the geometry is cached and used whenever available which playing the animation. Note that caching has any effect only when playing in Sequence mode. Min and/or Max buttons become available next to the Value widget if the property being animated has min and/or max bounds.Ĭache Geometry check enables/disables if caching is to be used while playing the animation. The Value widget depends on the type of the property being animated by the current track. Consequently, interpolation for the last keyframe has no effect and is disabled. current time >= key time) until the immediately following keyframe takes effect. The Interpolation control how the value is interpolated once the key frame take effect (i.e. Time entry is used to change the time at which the key frame takes effect. The different keyframe on the track can be selected using the Index slider. The Anchor cannot be moved, it has to be at time 0, and cannot be deleted unless it's the only keyframe on the track.įollowing figure shows a track with 3 key frames. When the Add KeyFrame button is pressed on track with no keyframes, two keyframes are added. The Add KeyFrame Delete KeyFrame buttons can be used to add and delete active keyframe from the track. If the track has no keyframes added to it, we see a GUI as under. This frame shows the properties of the selected (or active) key frame in the choosen Track. Both Source and Property must be selected to edit the keyframes.
Once a source (or filter) is choosen, all the available properties of the selected source (or filter) that can be animated are listed in the Property menu. Tracks can also be edited using the Track Editor (discussed later).Īll created sources (or filters) are listed in the Source menu. The Tracks widget provides a means to select a particular track for editing. The values of the keyframes (and the keyframe interpolation type) control how the property value is modified over time, when the animation is played. The user creates keyframes in a track for a particular property of a given source. The animation sequence for every source (or filter) and all the properties of the source that can be animated are called Tracks. The number of frame actually generated/rendered in turn depends on the time for to generate/render each frame. The animation runs for exactly duration seconds. Each frame is rendered using the current wallclock time in seconds relative to the start time. In Real Time mode, the Duration entry indicates the time in seconds for which the animation should be run. Thus the viewing frame rate depends on the time needed to generate and render each frame. Note that the frames are rendered as fast as possible. The number of frames is controlled by the Duration entry. In Sequence mode, the animation is played as a sequence of images(or frames) generated one after the other rendered in immediate succession. The mode can be changed by selecting the appropriate mode in the Play Mode selection list. The animation can be played in two modes: Sequence mode and Real Time mode. The current time can also be changed by using the Current Time slider. : When pressed, the animation is played in a loop.: Go to the last frame in the animation.: Go to the next frame in the animation.: Go to the previous frame in the animation.: Go to the beginning of the animation.The VCR-like buttons in the control can be used to play/stop the animation or change the current time. The Animation Control can be used to control running of the animation. The Track Editor provides an interface to easily create/delete/adjust individual keyframes however, all this can also be done using the Animation Panel. All animation settings can be adjusted using the Animation Panel alone. Selecting View | Keyframe Animation shows the Animation Panel, while selecting Window | Show Bottom Panel shows the Track Editor. The Keyframe Animation Interface has two panels: the Animation Panel shown on the left panel and the Track Editor shown on the bottom panel. 2.2 Using Record Animation to animate contours.
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