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| PIXFADE(1) | BRL-CAD | PIXFADE(1) |
NAME
pixfade - darken a pix fileSYNOPSIS
pixfade [-f fraction] [-p percentage] [-m max] [-s squaresize] [-w width] [-n height] [-o out_file.pix] [infile.pix] > outfile.pix
DESCRIPTION
pixfade darkens a color pix file by fading the entire image a fractional amount or by using a pixel value as a maximum level.The -f option specifies a nonnegative fractional multiplier which is used to scale the red, green, and blue values of each pixel. In a similar way, the -p option is used to specify the multiplier as a nonnegative percentage. The default is -f 0.5 (-p 50.0).
An alternative way to darken the image is to specify a ceiling pixel level (0 - 255) with the -m option. The pixel plotted is the minimum of the ceiling value and each of the red, green, and blue levels of the pixel. If this option is used, the -f and -p options are ignored.
The -w and -n flags specify the input file width and number of scan lines in pixels; they can be set to the same value via -s. Default is 512x512.
The -o option supplies output file name. If this option is omitted, standard output is used.
SEE ALSO
brlcad(1), pix(5)AUTHOR
BRL-CAD TeamCOPYRIGHT
This software is Copyright (c) 1991-2019 by the United States Government as represented by U.S. Army Research Laboratory.BUG REPORTS
Reports of bugs or problems should be submitted via electronic mail to devs@brlcad.org| 06/07/2022 | BRL-CAD |
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