f_Swirl

Swirl

Usage

 Smears pixels in a circle around a point
 -cx (x,y)                    Swirl center X and Y coordinate in pixels
 -cp (x,y)                    Swirl center X and Y coordinate proportionally (default 50%,50%)
 -rx (number)                 Swirl radius in pixels
 -rp (number[%])              Swirl radius proportional to smallest image dimension (default 90%)
 -s (number)                  Number of rotations (default 0.9)
 -ccw                         Rotate Counter-clockwise. (default is clockwise)
 --sampler (name)             Use given (registered) sampler (defaults to nearest neighbor)
 --metric (name)              Use a (registered) distance metric (defaults to euclidean)