Thanks. But still no joy...
$ file 7e.png
7e.png: PNG image data, 16 x 24, 8-bit/color RGB, non-interlaced
$ mogrify -type Palette -colors 4 7e.png
$ file 7e.png
7e.png: PNG image data, 16 x 24, 16-bit/color RGB, non-interlaced
Perhaps I just have a hosed up version of IM?
On Mon, 2008-08-11 at 10:47 -0700, Fred Weinhaus wrote:
> Did you try adding -type palette ( I think)
>
> See http://www.imagemagick.org/script/command-line-options.php#type
>
>
>
> >Hello!
> >
> >I've been trying for nearly two full days, and googling everything I can
> >think. I'll be stuffed if I can figure out how to convert a large number
> >of RGB PNG files into indexed PNG files. Surely this is a simple
> >operation, no?
> >
> >The closest I've come is: "mogrify -colors 4 *.png". With version 2.6.8
> >(Fedora Core 6) it does the conversion, but the resulting images are all
> >jumbled up. With version 6.3.8 (Fedora 9), it changes the images
> >somehow, and they all look fine, but leaves them as RGB.
> >
> >I've run out of ideas. Help me please!
> >
> >-Alan
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