How to use Shake

Shake violently rattles the image as it transitions from one clip to another.
 
Setup

Use the controls to set the motion behavior.

  • Horizontal sets the range of motion along the horizontal (side to side) axis.
  • Vertical sets the range of motion along the vertical (up and down) axis.
  • Rotation sets the range of rotation around the picture center.
  • Crop enlarges the picture so it doesn't chop off at the edges due to camera movements. Depending on the Horizontal, Vertical and Rotation settings, dial this in just enough to hide all exposed picture edges. As the transition progresses and the shaking intensifies, the image slowly enlarges to match the Crop value, so there's no sudden jump in size. Alternatively, ignore Crop and leave the image full-size. The original, unshaken images display in the background to fill out missing borders.
  • Jitter sets the rate and intensity of random jitter as the camera moves from one position to another.
  • Blur causes an older position of the image to be blended into the picture, emphasizing the motion. Turn to the right to increase both the mix level of the second image and the camera delay that caused it.
  • Delay determines the motion delay between the first and second clips in the transition. Turn to the left to tightly synchronize their motion. Turn to the right to increase the time delay of the motion until the motion paths of the two clips become effectively unrelated.
  • Cross Fade sets the percentage of the transition that includes a cross fade of the image from the first clip to the second. Turn to the left for an abrupt switch between images. Turn to the right for an increasingly gradual mix.

Be sure that the Rate and Jitter controls are set only once with a clip. If they are set part way into the transition, they can cause a sudden jump in the picture. This may be OK for very active movement, but for slow, gentle moves, it's inappropriate.

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