The Imagick class
PHP Manual

Imagick::edgeImage

(PECL imagick 2.0.0)

Imagick::edgeImageEnhance edges within the image

Description

bool Imagick::edgeImage ( float $radius )
Warning

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

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.


The Imagick class
PHP Manual