pixhist — display a histogram of a color pix file on a framebuffer
displays a histogram of the pixel values of the given
format file, or, if no file is specified, will read from standard input.
is used to select the display device (see
If this variable is not set, the default device for your system will
The relative frequency is displayed on the x axis scaled so that the maximum is full screen. The value 0 is at the bottom of the screen, 255 is at the top. All three colors will be drawn on each scan line, and all are scaled by the same factor. The output is overlaid on whatever is currently on the display.
flag will output the histogram values on the terminal (standard error).
This software is Copyright (c) 1989-2016 by the United States Government as represented by U.S. Army Research Laboratory.