(PECL gmagick >= Unknown)
Returns a grayscale image with a three-dimensional effect
public Gmagick Gmagick::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
Returns:
The embossed Gmagick object.
Exception:
Throws an GmagickException on error.
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