Imagick::adaptiveResizeImage
Imagick::adaptiveThresholdImage
The Imagick class
PHP Manual

# Imagick::adaptiveSharpenImage

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

Imagick::adaptiveSharpenImage — Adaptively sharpen the image

### Beschreibung

bool Imagick::adaptiveSharpenImage ( float `$radius` , float `$sigma` [, int `$channel` ] )
Warnung

Diese Funktion ist bis jetzt nicht dokumentiert. Es steht nur die Liste der Argumente zur Verfügung.

Adaptively sharpen the image by sharpening more intensely near image edges and less intensely far from edges.

### Parameter-Liste

`radius`

  The radius of the Gaussian, in pixels, not counting the center pixel. Use 0 for auto-select.

`sigma`

  The standard deviation of the Gaussian, in pixels.

`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. Refer to this list of channel constants.

### Rückgabewerte

Liefet `TRUE` bei Erfolg.

### Beispiele

Beispiel #1 A Imagick::adaptiveSharpenImage() example

Adaptively sharpen the image with radius 2 and sigma 1.

`<?php
try {
$image = new Imagick('image.png');
$image->adaptiveSharpenImage(2,1);
} catch(ImagickException $e) {
echo 'Error: ' , $e->getMessage();
die();
}
header('Content-type: image/png');
echo $image;
?>`

### Siehe auch

- Imagick::sharpenImage()

Imagick::adaptiveResizeImage
Imagick::adaptiveThresholdImage
The Imagick class
PHP Manual