[7009] in www-talk@info.cern.ch
Re: Image Converters
daemon@ATHENA.MIT.EDU (Steinar Bang)
Wed Dec 14 12:19:55 1994
Date: Wed, 14 Dec 1994 17:43:49 +0100
Errors-To: listmaster@www0.cern.ch
Reply-To: steinarb@falch.no
From: Steinar Bang <steinarb@falch.no>
To: Multiple recipients of list <www-talk@www0.cern.ch>
>>>>> wmperry@spry.com writes:
> You can use the JPEG-v5 and NETPBM utilities to do this, but I imagine
> there is probably a faster way. Something like this:
> #!/bin/sh
> echo 'Content-Type: image/gif'
> echo
> djpeg [any options] filename | ppmtogif
I would add a ppmquant to that pipeline. Keeping it down to 16 colours
seems a good compromise for small pictures. You will have to try a bit
to find an acceptable number of colours for your application, but
remember that many browsers can't show more than 50 colours pr. Web
document.
