This is the command ppmqvga that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
ppmqvga - 8 plane quantization
SYNOPSIS
ppmqvga [ options ] [ input file ]
DESCRIPTION
ppmqvga quantizes PPM files to 8 planes, with optional Floyd-Steinberg dithering. Input
is a PPM file from the file named, or standard input of no file is provided.
Options
-d dither. Apply Floyd-Steinberg dithering to the data
-q quiet. Produces no progress reporting, and no terminal output unless and error occurs.
-v verbose. Produces additional output describing the number of colors found, and some
information on the resulting mapping. May be repeated to generate loads of internal table
output, but generally only useful once.
EXAMPLES
ppmqvga -d my_image.ppm | ppmtogif >my_image.gif
tgatoppm zombie.tga | ppmqvga | ppmtotif > zombie.tif
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