> The TIFs have no LZW compression at all, so does this matter? I really
TIFF supports every compression format known to man :) including LZW so you
might want to check that.
> don't care if I use GIF or JPG, I would simply like filesize (aka. load
> time) to be as small as possible. Basically my goal is to take the 14,000
> satellite images I have in TIFF 6.0 format and make thumbnails of
> them when
> a user requests to view one (or many). Since there are so many images, I
> would like to do it on-the-fly, so I don't have to archive the
> thumbs (space
> is an issue on the server). Any ideas?
>
> Dave
If they're actual sat photographs (not computer generated or
colour-enhanced) they're idea candidates for JPEG compression. And JPEG is
the highest compression format that browsers currently support (smallest
file size).
I'd strongly suggest saving the thumbs to the server as on-the-fly image
compression isn't trival as far as CPU power needed. It's a question of a
lot of CPU power or a lot of file space.
--min
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