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Re: IDL 5.4 and gifs

Craig Markwardt wrote:
> I was visiting someone with IDL 5.4 on Linux today.  I mentioned the
> lack of GIF support, and my friend was surprised.  We confirmed that
> when we tried to open a GIF, we got an error message.  However there
> is an idl_gif.so library file, and WRITE_GIF, READ_GIF, etc still
> exists as procedures in the standard library.
> We tried the simple experiment of replacing the IDL 5.4 idl_gif.so
> library and DLM files with the ones from IDL 5.3.

You will get the same result if you add it to your working directory.
And start idl with a routine from that. This makes testing easier.
After reading Ronns book I should have realized that's this will work
but I don't tried. 

What's are the licenses saying about this. Of course if you already 
have written your own DLM you are allowed to add them to each IDL
But this is a bit different from mixing two Versions of two commercial

Till now gif is available for past idl5.3 users. 
Are there any ideas how much it will costs?


Reimar Bauer 

Institut fuer Stratosphaerische Chemie (ICG-1)
Forschungszentrum Juelich
email: R.Bauer@fz-juelich.de

a IDL library at ForschungsZentrum Jülich