pgmbentley
applies the "Bentley effect" to PGM images, creating a melted/dripping
TLDR
Apply Bentley effect to grayscale image
$ pgmbentley [input.pgm] > [output.pgm]
SYNOPSIS
pgmbentley [file]
DESCRIPTION
pgmbentley applies the "Bentley effect" to PGM images, creating a melted/dripping appearance. Named after computer graphics researcher Jon Bentley. Part of Netpbm toolkit.