| Re: porting IDL code to OS X [message #34621 is a reply to message #34619] |
Thu, 10 April 2003 09:46  |
MKatz843
Messages: 98
Registered: March 2002
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Member |
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> Greetings,
>
> I dumped my Windows workstation in favor of an OS X box
First of all, congratulations, and welcome.
> and now I am
> attempting to bring custom written code from IDL on Windows to IDL on
> OS X. Most of the code appears to come over just fine, however, I am
> getting errors reading graphics files within the program. Are there
> any fundamental issues I am missing here with graphics file
> compatibilities on Windows versus *nix OS's? Big vs. little endian?
> Anything else?
In my experience with GIF (IDL pre 5.5) PNG, JPG, TIFF, EPS, I've had
no problems Mac/Linux/Windows. Make sure if you're using an older FTP
program, to transfer the files with "binary" on. "sftp" from the OS X
command line seems to either always use binary or never have a problem
interpreting which is which.
For other IDL binary files, like variables saved with the "SAVE" and
brought back with "RESTORE" commands, you will notice a byteshift
going from Intel/AMD to Motorola. For those files, I often have to
test the different byte-swapping keywords until one of them works.
Fortunately, once you guess the right one, you know it forevermore.
M. Katz
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