[gme-users] migrating very old models

Akos Ledeczi akos.ledeczi at vanderbilt.edu
Wed Oct 27 08:33:15 CDT 2010

I don't know about trivial :)  I think both the binary and the xml (xme) 
formats changed possibly multiple times. What I usually do in these 
cases is the following:

Since backward compatibility is typically supported for a while, try 
installing a version of GME in-between 2004 and 2010, say 2006 or 2007. 
That might be able to open the old models and then save it in the 
new(er) format. That in turn may be already OK for the latest GME. 
Otherwise, you may have to do it in two steps. Try binary first. If that 
does not work, the xme will typically give you meaningful error 
messages. Good luck.

The interpreter should be easier. Just try compiling it and see what 
error messages you get. The functionality of the various interpreter 
interfaces has not changed all that much, function signatures might have...

Hope this helps,

On 10/26/2010 11:47 PM, Chris vanBuskirk wrote:
> I guess the real problem here is in migrating the [C++ based] 
> interpreters???  The model upgrades should be trivial, non?  What is 
> the delta in 'interpreter' APIs since GME4?
> Regards,
>   Chris
> Chris.vanBuskirk at vanderbilt.edu <mailto:Chris.vanBuskirk at vanderbilt.edu>
> On Oct 24, 2010, at 3:51 AM, Gray, Jeff wrote:
>> Hi all
>> I have some very old models clear back from GME 4 that I would like 
>> to move over to the newest version. Is the migration path too 
>> challenging to try that, as well as the associated interpreters for 
>> those models (I have the C++ source).
>> Thanks for any suggestions!
>> Jeff
>> -----------------------------------------------
>> Jeff Gray, Ph.D. - Associate Professor
>> Alabama Professor of the Year (2008)
>> Department of Computer Science
>> University of Alabama
>> http://cs.ua.edu/~gray <http://cs.ua.edu/%7Egray>
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>> gme-users mailing list
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