Usage: ps_2_rgb [options] files
 
	ps_2_rgb converts a PostScript file to an SGI rgb picture.

	options:	-h 	=>	this help screen 
			-1 	=>	100 dpi 
			-2 	=>	200 dpi
			-3 	=>	300 dpi
			-4 	=>	400 dpi
			-y xxx  => 	set YMAX to xxx (3000 = 300 dpi)
			-b xxx  =>	set x- and yborder to xxx
					(default 0)
			-n 	=>	do NOT rotate image 90 degrees
			-f 	=>	create full screen (1280x1024) image
			-g	=>	create gif instead of rgb
			-j	=>	create jpeg instead of rgb
			-d	=>	don't change page size
			-c	=>	change page size
			-l	=>	write tmp files to local disk
			-o xxx	=>	additional output format options
					where xxx can be
					- gif
					- jpeg, jpg
					- bmp
					- tga
					- pict

	This script needs the Netpbm utilities from Jef Poskanzer. They
	are available for SGI as freeware.
	It assumes you created a Shaded Postscript file (level 2) with
	Pro/ENGINEER (R17) on an A-size page. 

Author: Olaf Corten, the Netherlands
E-Mail: olafc@molding.fico.nl or ocorten@knoware.nl

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# History:
#
# 981005: stripped off preceding directory name (now writing to current dir).
# 980914: Added -d and -g option.
# 980707: Added -y option.
# first version	may 1997
#
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