dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

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?

--
Anders


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)
> >

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