Imagick::blackThresholdImage
Imagick::borderImage
The Imagick class
PHP Manual

# Imagick::blurImage

(PECL imagick 2.0.0)

Imagick::blurImage — Adds blur filter to image

### Description

bool Imagick::blurImage ( float `$radius` , float `$sigma` [, int `$channel` ] )
Warning

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

Adds blur filter to image. Optional third parameter to blur a specific channel.

### Parameters

`radius`

  Blur radius

`sigma`

  Standard deviation

`channel`

  The Channeltype constant. When not supplied, all channels are blurred.

### Return Values

Returns `TRUE` on success.

### Errors/Exceptions

Throws ImagickException on error.

### Examples

Example #1 Using Imagick::blurImage():

Blur an image, then display to the browser.

`<?php
header('Content-type: image/jpeg');
$image = new Imagick('test.jpg');
$image->blurImage(5,3);
echo $image;
?>`

### See Also

- Imagick::adaptiveBlurImage() - Adds adaptive blur filter to image
- Imagick::motionBlurImage() - Simulates motion blur
- Imagick::radialBlurImage() - Radial blurs an image

Imagick::blackThresholdImage
Imagick::borderImage
The Imagick class
PHP Manual