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DUNNSNAP(1)			    BRL-CAD			   DUNNSNAP(1)

NAME
       dunnsnap	- expose film in a Dunn	Model 631 camera

SYNOPSIS
       dunnsnap	[-F framebuffer] [- [sS] squarescrsize]	[- [wW]	scr_width]
		[- [nN]	scr_height] [-h] [num_frames]

DESCRIPTION
       Dunnsnap	checks the status of the Dunn Instruments Model	631 camera and
       then attempts to	take num_frames	exposures. If num_frames is not
       supplied, the number of frames exposed defaults to one. Status of the
       camera is checked before	every exposure.	Limits on num_frames include
       your film budget	and the	mean time between failures of your computer,
       framebuffer and camera.

       By default, the dunnsnap	command	operates independently of any
       framebuffer. The	-F flag	causes the named framebuffer to	be opened
       before exposure,	and closed afterwards. This is intended	for use	with
       display systems like the	SGI 4-D, which always run a window manager.
       The particular framebuffer options used could, for example, cause the
       image to	blanket	the whole screen, or change the	video output to	some
       other frequency.	The behavior of	the framebuffer	options	are specific
       to the type of device being used.

       The -w scr_width	and -W scr_width flags specifies the width of each
       scanline	for the	display	device,	in pixels.

       The -n scr_height and -N	scr_height flags specifies the height of each
       scanline	for the	display	device.

       -s squarescrsize	and -S squarescrsize set both the height and width to
       the size	given.

       The -h flag causes the frame buffer to be used in high resolution mode
       (1024x1024). This is important for frame	buffers	such as	the Adage
       which operate differently depending on the display size.	Without	this
       flag the	default	size for the selected device will be used (usually the
       entire screen).

       The Dunn	camera has been	successfully operated while attached to	an
       Adage (Ikonas) RDS-3000 framebuffer in both low-res (5122 60 Hz)	and
       high-res	(10242 30 Hz) modes. The

       The Dunn	camera has also	been successfully operated while attached to
       an SGI 4-D with a 4-wire	RS-343 connection when the video is operated
       at 30 Hz. The picture should be loaded into /dev/sgi5 (Full screen,
       Shared memory), and then	exposed	with:

	   dunnsnap -F /dev/sgi13 1

       Where /dev/sgi13	represents 30 Hz, Full Screen, and Shared memory bits.
       This keeps the main SGI display watchable while the images are loaded.

DIAGNOSTICS
       Diagnostics are intended	to be self-explanatory.

FILES
	/dev/camera
	   camera device supported by the operating system

SEE ALSO
       brlcad(1), dunncolor(1)

AUTHOR
       BRL-CAD Team

COPYRIGHT
       This software is	Copyright (c) 1989-2013	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				  07/08/2017			   DUNNSNAP(1)

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

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