On Wed, Dec 17, 2008 at 06:08:14PM +0100, Johan Hake wrote: > On Wednesday 17 December 2008 17:54:23 Martin Sandve Alnæs wrote: > > On Wed, Dec 17, 2008 at 5:42 PM, Johan Hake <[email protected]> wrote: > > > 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. > > > > What is in use, the text file or bugzilla? > > > > > 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 > > > > I also want to write a Function to file in C++. > > What are the requirements on the FunctionSpace > > to be able to do that? > > I think that the only requirement is that the element should be defined in > > dolfin/elements/elements.py
That should only be required for reading. -- Anders
signature.asc
Description: Digital signature
_______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
