Can you provide any more information, such as your f2py module? How are you passing the array to/from Python? Perhaps it is getting destroyed (dereferenced to the point of it being deleted by the Python interpreter) and you're re-using a dangling pointer?
Mike George Nurser wrote: > I am finding a very strange error. > > I have a program that integrates a partial differential equation using > fortran code in an f2py module. Data in arrays held in the f2py module > is updated in the fortran code. The module arrays are exposed to > python (but not changed by python code). After each increment of > timestep the array is plotted using matplotlib, and a figure saved > with savefig, so as to create an animation. > > What I am finding is that the fortran module array is becoming > corrupted with NaNs. > > If, however, I simply comment out the call to savefig in my python > code, there is no corruption of the module arrays. > > WxAgg backend, Intel Mac OS 10.5.6, python 2.5.2, matplotlib svn > revision 6739, numpy 1.3.0.dev6297 > > I have the same problem with GtkAgg python 2.5.1 + matplotlib svn > 6757.+ numpy 1.3.0.dev6297 on suse linux 10.1, amd_64. > > George Nurser. > > > > . > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by: > SourcForge Community > SourceForge wants to tell your story. > http://p.sf.net/sfu/sf-spreadtheword > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users