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Re: dolfin/python error

 

On Wed, Aug 12, 2009 at 08:00:07PM +0200, Ola Skavhaug wrote:
> On Wed, Aug 12, 2009 at 6:13 PM, Anders Logg<logg@xxxxxxxxx> wrote:
> > It might be something with the call to SetVoidArray in make_vtk_grid
> > in viper.py. Commenting out the line
> >
> >  ita.SetVoidArray(a, len(a), 1)
> >
> > it does not crash anymore and I get a plot, but the plot is empty.
> >
> > Ola?
> 
> As long as a is not lost afterwards (i.e. a reference is kept) this
> should be correct.

The variable a is stored in self.refs so that should be ok, but it
still crashes...

-- 
Anders


> Ola
> 
> >
> >
> > On Tue, Aug 11, 2009 at 05:30:18PM -0400, Shawn Walker wrote:
> >> That fits with the error I got when I tried to run the Stokes demo.
> >> It plotted the vector velocity with no problem.  But when it tried
> >> to plot the pressure, it gave me that error.
> >>
> >> I've tried googling about the error, but I could not find anything
> >> definitive.
> >>
> >> - Shawn
> >>
> >> On Tue, 11 Aug 2009, Anders Logg wrote:
> >>
> >> >On Tue, Aug 11, 2009 at 09:26:13PM +0200, Anders Logg wrote:
> >> >>Yet another update: Same problem with VTK 5.4 and I can use VTK from
> >> >>Python directly without problem (when not going through Viper).
> >> >
> >> >The plot thickens. I can plot vector-valued functions with Viper but
> >> >not scalars, and not meshes. In particular, I can do
> >> >
> >> > plot(grad(u))
> >> >
> >> >in the Poisson demo, but not
> >> >
> >> > plot(u)
> >> >
> >
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1.4.9 (GNU/Linux)
> >
> > iEYEARECAAYFAkqC6iQACgkQTuwUCDsYZdFQSgCfQvcnZKSsCzstxu5mQAcyunBS
> > /SwAn0VRlNSaIIq6vDuFBZcqcwl1T/Bw
> > =wpTd
> > -----END PGP SIGNATURE-----
> >
> > _______________________________________________
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> > DOLFIN-dev@xxxxxxxxxx
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> >
> >
> 
> 
> 

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