[cgma-dev] Issues with multiple instances of iGeom

Jason Kraftcheck kraftche at cae.wisc.edu
Wed Sep 23 14:49:30 CDT 2009


James Porter wrote:
> I'm using a more-or-less nightly build of CGM as the backend for the
> Python iGeom stuff, and I ran across some issues with unit-testing.
> Specifically, it seems impossible to have multiple instances of iGeom
> without things getting confused, even if you only have one instance at a
> time.
> 

This is a known issue and not easily correctable w/out a lot of cleanups
within CGM.

> While it's probably not the only issue, it seems that entity sets are
> stored statically and don't go away when you destroy an iGeom instance.
> My (very brief) reading of the CGM code suggests that this isn't going
> to be an easy thing to fix, but it seems like a pretty significant
> problem to me.
> 

The entire model is probably stored "statically".

- jason


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