🚀 go-pugleaf

mjbrown@magnus.acs.ohio-state.edu (Mike J. Brown) writes:

>When he FTP'd the GIFs to an archive site, they ended up as
>filename.GIF.bin files, meaning (I think) MacBinary II format.  I
>tried downloading one of these to a PC and using a GIF viewer, and
>it said the GIF format was invalid.

The files have a MacBinary header of 128 bytes which you will need to
remove (or, re-upload from the Mac with the MacBinary option turned
off).  Actually, I think that VPIC will read past a MacBinary header, if
present, which is an interesting feature.

>Basically what we want to do is convert TIFFs to GIFs and JPEG-JFIFs.

If you want to convert 24-bit to JFIF, then DO NOT convert to GIF first!
Read the 24-bit file directly.

>I have a second question as well.  When I download some GIFs to my PC,
>they end up not being able to be read in correctly (using Fractint or
>a regular GIF viewer), resulting in a very skinny squashed version of
>the image at the top...

The GIF files are stored in interlaced format; get a better GIF viewer
(such as VPIC) and this should go away.  Or get the Mac to stop putting
them in interlaced GIF format.

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