ppmqvga1
8 plane quantization
Usage
ppmqvga [options]
[input
file]
Overview
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
Diagnostics
Error messages if problems, various levels of optional progress reporting.
Limitations
none known.
Releases
Unchanged in 13 releases since Debian 2.0 (Hamm).