dolfin team mailing list archive

[Johan Hake <hake@xxxxxxxxx>]

On Wednesday 17 December 2008 16:34:16 Anders Logg wrote:
> On Wed, Dec 17, 2008 at 01:58:35PM +0100, Martin Sandve Alnæs wrote:
> > Using latest hg versions of everything, I'm trying to plot a Function
> > from C++ based on a SFC-generated function space and I get:
> >
> > Failed to read DOLFIN mesh or function XML file for plotting:
> >   *** Error: Unable to find dof map in library:
> > "FiniteElement('Lagrange', 'triangle', 1)".
> > Unable to plot (DOLFIN Python module or Viper plotter not available).
> >
> > Can I suggest using Function::interpolate to make a .vtu file to plot
> > instead of relying on a form compiler specific precompiled element
> > library?
> >
> > Martin
>
> Sounds like a good idea. We now generate Python script that loads the
> Function (or Mesh) from file and then calls Viper from Python.
>
> Does Viper support direct plotting of .vtu files? In that case, we
> would not need to call Python from C++. We could generate a .vtu file
> and then call Viper with that file (using system()).
>
> I don't have time to fix this now, so either find someone to fix it or
> put it on the TODO list.

We could also plot a cpp.Function instead of a dolfin.Function. That fix would 
not be so extensive. I had a brief look at it but couldn't find out where 

   Function(filename) 

was called.

Johan