[petsc-dev] ts_monitor_solution_vtk does not work when used with DMComposite

Mani Chandra mc0710 at gmail.com
Fri Feb 7 16:09:08 CST 2014

Yeah, I have one DMDA for each variable in my system. I then put all these
in a DM. Do you think there's any other format I could use? Just need to
get the output to play nice with VisIt.

On Fri, Feb 7, 2014 at 3:57 PM, Jed Brown <jed at jedbrown.org> wrote:

> Mani Chandra <mc0710 at gmail.com> writes:
> > Hi,
> >
> > The command line option -ts_monitor_solution_vtk filename-%03d.vts does
> not
> > output anything when the DM used is a DMComposite. I checked that it
> works
> > when used with a DMDA. Possible bug?
> It has not been implemented.  Do you have multiple DMDAs?  The VTK
> format doesn't compose well so it's nontrivial to write multiple parts.
> (It could be done, but it would require several writing phases and
> capturing a lot of intermediate state; it will take some careful coding
> to implement and will be harder to understand.)  We either need to do
> that or choose a different output format.
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