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Imagick::separateImageChannel

Separates a channel from the image ()
bool Imagick::separateImageChannel ( int channel )

Warning:

This function is currently not documented; only the argument list is available.

Warning:

This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

Separates a channel from the image and returns a grayscale image. A channel is a particular color component of each pixel in the image.

Parameters

channel

Return Values

Returns TRUE on success.