Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!lll-winken!uunet!snjsn1!bilbo!greg
From: greg@bilbo (Greg Wageman)
Newsgroups: comp.graphics
Subject: Re: sun rasterfile filter?
Message-ID: <968@snjsn1.SJ.ATE.SLB.COM>
Date: 14 May 89 16:44:09 GMT
References: <1795@husc6.harvard.edu>
Sender: news@SJ.ATE.SLB.COM
Reply-To: greg@sj.ate.slb.com (Greg Wageman)
Organization: Schlumberger ATE, San Jose, CA
Lines: 23

In article <1795@husc6.harvard.edu> yylu@zariski.harvard.edu writes:
>I am looking for a program which transfers the colored 
>rasterfiles on SUN workstations to black and white rasterfiles. 
>Can someone please give me some point on this? 

Read the man page for the command "rasfilter8to1".  This command can
be used in a pipe or redirected to a file.  The default is to do
thresholding; if you want dithering you must supply the "-d" flag to
the command.



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