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Keyframing with the crop tool in the Canvas Panel
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A movie which unfolds on the screen Consider this.flv movie http://www.cs.ucc.ie/j.bowen/cs2508/widgets/unfoldingGarden.flv In successive frames, more and more of the garden appears This was achieved by keyframing with the cropping tool
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Keyframing cropping in the Canvas Panel One clip in the timeline, with wireframing turned on Playhead is at start of clip
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Keyframing cropping in the Canvas Panel Choose the crop tool (shortcut: c)
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Keyframing cropping in the Canvas Panel In the canvas panel, drag the cropping tool from right to left, until...
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Keyframing cropping in the Canvas Panel... until the first frame is empty Then add a keyframe marker, making the wireframe controls green
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Keyframing cropping in the Canvas Panel Then move the playhead to the last frame The wireframe controls turn white
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Keyframing cropping in the Canvas Panel Add another keyframe marker and...
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Keyframing cropping in the Canvas Panel... and the wireframe controls turn green Then drag the crop tool from left to right across the frame, until...
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Keyframing cropping in the Canvas Panel... until complete frame is revealed We have now made the picture unfold throughout the sequence
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Playing the sequence in the Canvas Panel The playhead is 1/3 across the sequence and 1/3 of the picture is revealed
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Playing the sequence in the Canvas Panel The playhead is 3/4 across the sequence and 3/4 of the picture is revealed
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Export the sequence as a movie
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And now for an exercise Tackle Exercise 13 http://www.cs.ucc.ie/j.bowen/cs2508/exercises/exercise13/
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