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PLOT3-FB(1)			    BRL-CAD			   PLOT3-FB(1)

NAME
       plot3-fb	- display 3-D UNIX plot	on a framebuffer

SYNOPSIS
       plot3-fb	[-id] [-O|o] [-t line_thickness] [-F framebuffer]
		[-S|s squaresize] [-W|w	width] [-N|n height] [<] file.plot3

DESCRIPTION
       plot3-fb	displays a BRL extended	three dimensional UNIX plot file on a
       framebuffer. The	environment variable FB_FILE is	used to	select the
       display device (see brlcad(1)); if this variable	is not set, the
       default device for your system will be used. Alternatively, the
       framebuffer may be explicitly specified by using	the -F flag. By
       default,	the display size is assumed to be 512x512 pixels. The -S, -W,
       and -N (or -s, -w, and -n) flags	allow different	screen sizes to	be
       set. The	plotting space will fill the given screen dimensions. No
       attempt is made at present to preserve aspect.

       The -O (or -o) flag is for overlay mode,	where the current framebuffer
       image will be left in the background. The -i flag causes	the rasterized
       image to	be plotted immediately,	rather than buffering up rasterized
       data into bands.	While useful for quick feedback	on small plots,	this
       mode is generally more expensive	in CPU time. The -d flag outputs a
       very verbose debugging stream to	standard error listing every UNIX plot
       command and the corresponding framebuffer coordinates. The -t flag
       causes all lines	to be thickened	perpendicular to their length, to the
       given number of pixels. This is especially useful when making images
       for recording on	videotape, as single pixel lines are difficult to
       resolve.	The thickening will be reduced so that a line will never be
       wider than it is	long.

       If file.plot3 is	not specified, the plot	commands are read from
       standard	input.

       Note that 3-D UNIX plot is a superset of	the standard UNIX plot format,
       thus this program can display normal plot files as well.

SEE ALSO
       plot3rot(1), plot3debug(1), libplot3(3),	brlcad(1)

AUTHOR
       BRL-CAD Team

COPYRIGHT
       This software is	Copyright (c) 1989-2019	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

BRL-CAD				  11/05/2021			   PLOT3-FB(1)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHOR | COPYRIGHT | BUG REPORTS

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