DJ Mike's Tutorials: PHP

ImageMagick Functions

Imagick::addNoiseImage

Description:

bool Imagick::addNoiseImage ( int $noise_type [, int $channel ] )

Adds random noise to the image.

Parameters:

noise_type:

The type of the noise.

Noise Constants:: imagick::NOISE_UNIFORM
imagick::NOISE_GAUSSIAN
imagick::NOISE_MULTIPLICATIVEGAUSSIAN
imagick::NOISE_IMPULSE
imagick::NOISE_LAPLACIAN
imagick::NOISE_POISSON

channel:

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL.

Channel constants:: imagick::CHANNEL_UNDEFINED
imagick::CHANNEL_RED
imagick::CHANNEL_GRAY
imagick::CHANNEL_CYAN
imagick::CHANNEL_GREEN
imagick::CHANNEL_MAGENTA
imagick::CHANNEL_BLUE
imagick::CHANNEL_YELLOW
imagick::CHANNEL_ALPHA
imagick::CHANNEL_OPACITY
imagick::CHANNEL_MATTE
imagick::CHANNEL_BLACK
imagick::CHANNEL_INDEX
imagick::CHANNEL_ALL

Return Values

Returns TRUE on success.

Examples

Uniform	Laplacian	Multipicarivegaussian
Impulse	Poisson	gaussian


<?php
header("Content-type: image/jpeg");
$image = new Imagick("opossum.jpg"); 
$image->addnoiseImage(Imagick::NOISE_POISSON);
echo $image;
?>

Created by DJ Mike from Santa Barbara