Date: Sun, 19 Mar 2000 16:04:58 +0000 From: Mark Ovens <mark@ukug.uk.freebsd.org> To: spock@mem.net Cc: freebsd-questions@freebsd.org Subject: Re: Command line image manipulation Message-ID: <20000319160458.C234@parish> In-Reply-To: <200003191554.JAA27054@smith.spock.mem.net>; from spock@spock.mem.net on Sun, Mar 19, 2000 at 09:54:43AM -0600 References: <200003191554.JAA27054@smith.spock.mem.net>
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On Sun, Mar 19, 2000 at 09:54:43AM -0600, Rev. Nostrebor N. Cire wrote:
> This will do what I need, but I can't seem to find any of the programs used
> in this script. Can you tell me where to find djpeg, pnmscale, ppmquantall,
> and ppmtogif?
>
> Do you know of a program that will convert GIF, BMP or TIFF to the format
> used as input to pnmscale?
>
Sorry, I thought that they are ports but I've just checked and they
aren't, well not individual ports anyway. I suspect that they are
part of some graphics port.
Maybe you should email nik@freebsd.org and ask him as Nik (Clayton) as
the guy who did the page I pointed you to.
HTH.
> % foreach i (*.jpeg)
> foreach? setenv b `basename $i .jpeg`
> foreach? djpeg -pnm $i | pnmscale -width 150 > ${b}.ppm
> foreach? end
> % ppmquantall 128 *.ppm
> % foreach i (*.ppm)
> foreach? ppmtogif -interlace $i > ${b}.gif
> foreach? end
> ..
> % rm *.ppm
>
> Thanks for the info.
>
> Mark Ovens <mark@dogma.freebsd-uk.eu.org> said:
>
> > On Sat, Mar 18, 2000 at 02:05:06PM -0600, Rev. Nostrebor N. Cire wrote:
> > > I would like to write a CGI script to present thumbnails of all of the
> > > images in an arbitrary directory, if such a program does not already
> > > exist.
> >
> > Take a look at http://www.freebsd.org/~nik/Oxford
> >
> > At the bottom of that page there is details of how the thumbnails in
> > the page were produced (using the command line).
> >
> > HTH
>
>
>
>
>
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--
Seminars, n.:
From "semi" and "arse", hence, any half-assed discussion.
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