Thursday, November 29, 2007

How to work with Color Halftone

How to work with Color Halftone

F) Pixelate filters



46) How to work with Color Halftone.

Simulates the effect of using an enlarged halftone screen on each channel of the image. For each channel, the filter divides the image into rectangles and replaces each rectangle with a circle. The circle size is proportional to the brightness of the rectangle.

Step 1

Before applying the color halftone filter.

Step 2

Enter a value in pixels for the maximum radius of a halftone dot, from 4 to 127. Enter a screen-angle value for one or more channels:

- For Grayscale images use only channel 1.

- For RGB images, use channels 1, 2, and 3, which correspond to the red, green, and blue channels.

- For CMYK images, use all four channels, which correspond to the cyan, magenta, yellow, and black channels.

Step 3

After applying the color halftone filter.

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