Gmagick
PHP Manual

Gmagick::edgeimage

Enhance edges within the image

Description

public Gmagick Gmagick::edgeimage(float $radius)

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

The Gmagick object with edges enhanced.

Errors/Exceptions

Throws an GmagickException on error.