# Imagick::edgeImage

(PECL imagick 2.0.0)

Imagick::edgeImage — Enhance edges within the image

### Description

Imagick::edgeImage ( float `$radius` ) : bool

Enhance edges within the image with a convolution filter of the given radius. Use radius 0 and it will be auto-selected.

### Parameters

`radius`

  The radius of the operation.

### Return Values

Returns `TRUE` on success.

### Errors/Exceptions

Throws ImagickException on error.

### Examples

Example #1 Imagick::edgeImage()

`<?php
function edgeImage($imagePath, $radius) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->edgeImage($radius);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>`