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Re: [Bug 427534] Re: Viper plotting does not work in parallel from C++

 

On Wed, Jun 01, 2011 at 04:23:15PM -0000, Johan Hake wrote:
> On Wednesday June 1 2011 09:06:39 Anders Logg wrote:
> > On Wed, Jun 01, 2011 at 03:52:43PM -0000, Johan Hake wrote:
> > > I have long thought of creating a C++ wrapper of Viper. It should be
> > > possible, with passing just NumPy arrays of coordinates, connectivities
> > > and data, from DOLFIN to Viper. But I have never got my but around to
> > > code it up. To put it clear, it is not one of my highest priorities...
> >
> > I think a rewrite of Viper would be a better option...
>
> To be helpfull in this case you need to rewrite Viper in C++, which is
> probably not what you want.
>
> What is the status of the "new" Viper? In San Diego they are also having
> problems using it due to some license problems, which I do not know what is...
>
> So it looks like no one is really using the new Viper because of license
> problems... There have to be a solution to this. Simula bought shares in
> siliconmed which was used to pay Ola and Arve developing this, so time and
> money is invested, and it is in our interest to sort this out...

I don't know what the status or the problem is. I'm Cc:ing Ola. Maybe
he knows?

Another option is to redesign/rewrite a plotter for DOLFIN. Johannes
has some skills in this area so that may be another option.

--
Anders


> > > Have you tried letting Viper read parallel vtk files, or would it still
> > > be a problem to call Viper using system?
> >
> > Any call to Viper (even from just one process) fails.
>
> Ok
>
> > > Does xterm work on Mac, and Linux, but not on Windos? Maybe you can "fix"
> > > it using xterm and then dissable parallel C++ plotting on Windows?
> >
> > Xterm won't help here... :-) What I meant was that it's perfectly
> > possible to do
> >
> >   system("xterm")
> >
> > in parallel (even when MPI is initialized). The problem is that will
> > only fire up a bunch of Xterms, no plots... :-P
>
> Ok, a small missunderstandment from my part there ;)
>
> Johan
>
>


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