Imagick
PHP Manual

Imagick::embossImage

Returns a grayscale image with a three-dimensional effect

Description

bool Imagick::embossImage ( float $radius , float $sigma )

Returns a grayscale image with a three-dimensional effect. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and it will choose a suitable radius for you.

Parameters

radius

The radius of the effect

sigma

The sigma of the effect

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.