roundify
Arguments:
Description:
Apply roundify transformation on float-valued data, with specified gamma.
Default values:
gamma=0.
Example of use:
$ gmic 1000 fill '4*x/w' repeat 5 +roundify[0] {$>*0.2} done append c display_graph 400,300

Command: 1000 fill '4*x/w' repeat 5 +roundify[0] {$>*0.2} done append c display_graph 400,300