bwrect — extract a rectangle from a black and white bw file
file.bw > [
extracts a rectangular region from a black and white
format file. The default input image size is 512x512.
The x,y coordinates of the origin (the default xorig=0, yorig=0 corresponds to the
lower left corner) are passed as
flag specifies the width of each scanline in the input file, in pixels.
does the same for the display device.
flags specify the height in scanlines of the input file and display device
set both the height and width to the size given (for input file and display device respectively).
scr_height must be set
to positive values, either separately via
-S. This is because they start with default values of zero.)
out_file.bw is a way of specifying output
This utility supports pipes and can read/write from/to them.
We ought to allow the questions to be answered on the command line so that shell scripts, etc., could use this.
This software is Copyright (c) 1989-2016 by the United States Government as represented by U.S. Army Research Laboratory.