Apple MA434Z/A User Manual - Page 582
Other Viewer Shelf Controls, node has the following Viewer shelf controls
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Other Viewer Shelf Controls The QuickPaint node has the following Viewer shelf controls: Button Active Channels Frame Mode Description These buttons indicate which channels are being painted on. For example, to touch up the alpha channel only, turn off the RGB channels. When Frame mode is selected, you only paint on the current frame. Interp Mode Persist Mode History Step Magnet Drag Mode Linear Drag Mode When Interp (Interpolate) mode is selected, brush strokes are animated using interpolation from one frame to the next. For example, paint a stroke on frame 1, and then go to frame 20, and paint a stroke on frame 20. When you scrub between 1 and 20, the stroke interpolates. Beyond frame 20 or before frame 1, the image is black. To insert a second interpolation stroke, click the Interp toggle until Interp is selected again, and use the strokeIndex slider in the Edit Controls tab to select the stroke you wish to modify. When Persist (Persistent) mode is selected, the stroke persists from frame to frame. The stroke does not change unless you switch to Edit mode and animate the stroke. Use the History Step buttons to step backward or forward through your history. Using these buttons activates Edit mode. As you step backward, the strokeIndex parameter in the Edit Controls tab indicates the current stroke number. Although you can edit any brush at any time, this parameter sets the point at which you are evaluating your paint. You can, for example, step back several strokes, insert a new stroke, and then step forward. The later strokes are placed on top of your new stroke because the new stroke is earlier in the step history. When Magnet Drag mode is enabled, and you are in Edit mode, you can select a group of points on a stroke. If you click near the middle of the points and drag, the points near the selected point are dragged more than points farther away. You can also press and hold Z to temporarily activate this mode if you are in Linear Drag mode. Click the Magnet Drag button to toggle to Linear Drag mode. When in Edit mode and you drag a group of points, they all move the same amount. 582 Chapter 21 Paint
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