Warping images

You can distort image areas by using the warp brushes on image pixels to produce a warping effect. You can twirl areas of images, contract or expand parts of images, and create many interesting effects. The effect of the Warp Brush is often time-dependent, which means that the longer you hold the brush over an area, the more the brush produces the effect.

The Warp Brush tool can be used to create caricatures.

You can also warp images by using a grid. When you use the Mesh Warp tool, a grid or mesh is placed on the image. The grid intersections have mesh points, or nodes, that you drag to create deformations.

For more information about warping by using a grid, see To warp image areas by using a grid.

To warp image areas by using a brush

Edit workspace 

1	On the Tools toolbar, choose the Warp Brush tool .

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Push — pushes pixels in the direction of the stroke for an effect similar to smearing paint. This warp mode is time-independent.

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Expand — pushes pixels away from the center of the brush

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Contract — pulls pixels into the center of the brush

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Right Twirl — rotates pixels clockwise around the center of the brush

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Left Twirl — rotates pixels counterclockwise around the center of the brush

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Noise — causes random movements of pixels under the brush

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Iron Out — removes unapplied warps. This warp mode is time-independent.

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Unwarp — removes unapplied warps

For more information about setting brush options, see Choosing brush options.

For the time-dependent warp modes, you can also place the pointer at one position (instead of dragging) and hold down the mouse button to repeat the effect in one area.

To unwarp an area, click the Iron Out button or Unwarp button on the Tools Options palette, and click over the area that you want to restore.

To warp image areas by using a grid

Edit workspace 

1	On the Tools toolbar, select the Mesh Warp Tool .

You can save the position of the mesh nodes (the deformation map) to apply the deformation to other images. For information about saving and loading deformation maps, see Working with deformation maps.

You can also double-click the image to apply the effect.

Choose Edit Undo to undo changes to the mesh as you edit. To cancel the mesh warp before it is applied, click Cancel.

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