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Re: IDL Virtual Machine Woes [message #63713 is a reply to message #63711]

Tue, 18 November 2008 07:03

M. Katz
Messages: 69
Registered: May 2005

Member

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the full IDL on Windows may be necessary only if the OS is way out of
date.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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[Message index]

		Re: IDL Virtual Machine Woes By: David Fanning on Wed, 19 November 2008 07:16
		Re: IDL Virtual Machine Woes By: Kenneth P. Bowman on Tue, 18 November 2008 08:37
		Re: IDL Virtual Machine Woes By: R.Bauer on Tue, 18 November 2008 13:19
		Re: IDL Virtual Machine Woes By: David Fanning on Tue, 18 November 2008 11:21
		Re: IDL Virtual Machine Woes By: David Fanning on Tue, 18 November 2008 07:13
		Re: IDL Virtual Machine Woes By: M. Katz on Tue, 18 November 2008 07:03
		Re: IDL Virtual Machine Woes By: jigga1206 on Mon, 17 November 2008 16:55
		Re: IDL Virtual Machine Woes By: David Fanning on Mon, 17 November 2008 14:11
		Re: IDL Virtual Machine Woes By: Rick Towler on Mon, 17 November 2008 13:34
		Re: IDL Virtual Machine Woes By: Rick Towler on Mon, 17 November 2008 13:06
		Re: IDL Virtual Machine Woes By: Heinz Stege on Wed, 19 November 2008 08:42

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