sgitopnm

Convert SGI images to PNM format

Convert SGI image to PNM

$ sgitopnm [input.rgb] > [output.pnm]

Extract specific channel

$ sgitopnm -channel [0] [input.rgb] > [output.pgm]

sgitopnm [options] [file]

sgitopnm converts Silicon Graphics image format (SGI RGB) to PNM. SGI images use .rgb, .rgba, .bw extensions. Part of Netpbm toolkit.

-channel n

Extract specific channel (0=red, 1=green, 2=blue).

-verbose

Print image information.