Slice

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The Slice plugin applies a "centre shift transform" by running a function through the image rectangle in order to produce one point per line (or column, if running in the Y direction). This point is then used as a new centre for each line. Pixels rows are split down the middle and the left half are mapped to the left side of the new centre point, pixels from the right side are mapped to the new right side.

Slice plugin can apply three types of centre shift transforms waves: Zigzag , Wave and Linear

Offset:

Maximum offset for the transform wave. 0.5 will reach the edges of the image.

Period:

Number of periods in the transform wave.

Style:

For Zigzag and Linear transform two types of styles can be selected

Horizontal : Wave moves in horizontal direction.

Vertical: Wave moves in vertical direction.

In case of Wave transform four styles are available Sine X, Sine Y, Cosine X, Cosine Y. Where X denotes horizontal direction and Y is vertical direction.

Background Colour:

Specifies the colour used when the transform goes off the image.

Quality:

Specifies the quality of transformed image. In low Quality mode no interpolation is used. When medium, bi-linear interpolation is used and for best quality mode bi-cubic interpolation is used. Processing time also increases as the quality of transform is increased.