(PECL gmagick >= Unknown)
Enhance edges within the image
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.
Returns:
The Gmagick object with edges enhanced.
Exception:
Throws an GmagickException on error.
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