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Re: IDL Virtual Machine Woes [message #63697 is a reply to message #63691] Tue, 18 November 2008 13:19 Go to previous messageGo to previous message
R.Bauer is currently offline  R.Bauer
Messages: 1424
Registered: November 1998
Senior Member
Hi

usually I do create all my sav files by compile
http://tinyurl.com/6cchbh

it does create inside of the sav file also a temporary function which
tells you something about the version of the routines used in the sav file.

IDL> compile, 'example'
IDL> help, example_info(),/str
** Structure <842fea4>, 2 tags, length=12284, data length=12284, refs=1:
TIME DOUBLE 2.8035811e+08
ROUTINES STRING Array[3, 341]

Th sav files do run on windows and on linux. I think they also run on
Mac, but I can't try.

cheers
Reima


M. Katz schrieb:
> I think there's still a misconception out there that when you write an
> IDL application for other people to run on VM, that they need to
> download and install the IDL distribution. That is simply not
> necessary.
>
> I have now installed my VM application on several different Windows
> and Mac machines that are not licensed for IDL and do not have IDL
> installed. In no cases was it necessary to download the 260 MB IDL
> installation from ITT. As David correctly mentioned in this thread
> from Oct 28 ( http://tinyurl.com/66lwmk ), the make_rt output is about
> ~50 MB. It seems to include much more than is actually necessary, so
> you can probably go into the subfolders and probably remove hundreds
> of unused routines and files, if you're picky. (Note that the distro
> can be much larger if you use the 64bit keyword because it seems to
> create 2 distributions at once.) IDL support told me that installing
> the full IDL on Windows may be necessary only if the OS is way out of
> date.
>
> While I have not yet created the perfect 3-platform distribution CD,
> having a 50 MB program-distribution size that zips down to about 28 MB
> on Windows, means that you can distribute all three versions from
> three different links online, if you want.
>
> **The most important thing I have learned is that the Windows distro
> cannot be created on a Mac. You have to MAKE_RT from a Windows-
> licensed IDL session. IDL Help does not tell you this. I do not yet
> know if you can successfully create the Mac distro form Windows, and
> I'll wait to hear from the Linux folks about their experience. When
> you create the Windows distro from the Mac, the VM quits with an
> 'error 53' or some such thing.
>
> That said, the .sav file created from Mac or Windows can be run on Mac
> or Windows, once it is married to the larger portion of the
> distribution that was created by MAKE_RT. You can exploit this fact to
> create program updates that are just a few MB and include only
> your .sav file (if only your programs have changed.)
>
> M.

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