Imagick::thresholdImage

(No version information available, might be only in CVS)

Imagick::thresholdImage — Changes the value of individual pixels based on a threshold

Description

bool Imagick::thresholdImage ( float $threshold [, int $channel ] )
Warning

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

Changes the value of individual pixels based on the intensity of each pixel compared to threshold. The result is a high-contrast, two color image.

Parameters

threshold

channel

Return Values

Returns TRUE on success.

    

 

 
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