[Dune-devel] [Dune-Commit] [Commit] dune-grid - 545f73a: Start working on a backup restore facility in YaspGrid

[Martin Nolte]

Hi Dominic,

I was not urging you to do anything but merely commenting on your statement 
that DGF is inappropriate for your purpose. The current situation is perfectly 
fine with me.

Best,

Martin

On 10/02/2014 03:52 PM, Dominic Kempf wrote:
> Dear all,
> when I implemented the facility I didnt have any higher goal in mind than
> making a currently unavailable feature available within a day or two. So my
> implementation is simple and straight-forward. What you, Oli and Martin, are
> aiming for are higher goals, that seem out of scope for me.
> - Concerning VTK, it seems to me that such functionality is definitely to be
> discussed at a higher level. The reason "this way I can look at my backup in
> paraview" isnt worth the effort IMO. Using VTKWriter with a trivial solution
> (or allowing it to be called without solution) would do that very same trick.
> Do you often do that?
> - Concerning dgf I have a conflict of interest, to be honest. Nobody here in
> Heidelberg uses DGF, so I cannot really put much work into that.  And having
> dgf for equidistant grids and a custom format for tensorproduct grids doesnt
> seem like a solution either.
> If you insist, that those alternatives should be considered before having a
> BRF in master (and 2.4 resp.), I can revert it, but I would find it a rather
> strange decision.
>
> Have a nice long weekend,
> Dominic
>
> On Thu, Oct 2, 2014 at 3:03 PM, Jö Fahlke <jorrit at jorrit.de
> <mailto:jorrit at jorrit.de>> wrote:
>
>     Am Thu,  2. Oct 2014, 14:12:17 +0200 schrieb Oliver Sander:
>     > >> PS: Just read your next mail: Seems like the first point could hold for VTK too,
>     > >> if Paraview tries to verify the XML schema. Also, I dont think we want an XML
>     > >> parser in dune-grid, do we?
>     > >
>     > > +1. Adding a dune-grid dependency on an XML parser library would probably create some
>     > > interesting discussions on this list… ;-)
>     >
>     > Actually I think I do want one.  VTK reading capabilities in Dune would be very helpful,
>     > but I don't think writing that from scratch is a good idea.  The only XML parser library
>     > that I am familiar with (tinyxml2http://grinninglizard.com/tinyxml2docs/index.html)
>     > is so small that we may just copy the whole thing into dune-common (the license permits that).
>
>     And we probably *will* have to copy it into some dune module to read VTK
>     files, since we probably want to be able to read vtk files in binaryappended
>     format.  To my knowledge, those are not valid XML, since they contain
>     unencoded binary blobs.  So unless the parser already has hooks for that, you
>     will need to patch in support for that...
>
>     Regards,
>     Jö.
>
>
>     --
>     Jorrit (Jö) Fahlke, Institute for Computational und Applied Mathematics,
>     University of Münster, Orleans-Ring 10, D-48149 Münster
>     Tel: +49 251 83 35146 <tel:%2B49%20251%2083%2035146> Fax: +49 251 83 32729
>     <tel:%2B49%20251%2083%2032729>
>
>     If God had intended Man to Smoke, He would have set him on Fire.
>     -- fortune
>
>
>
>
> _______________________________________________
> Dune-devel mailing list
> Dune-devel at dune-project.org
> http://lists.dune-project.org/mailman/listinfo/dune-devel
>

-- 
Dr. Martin Nolte <nolte at mathematik.uni-freiburg.de>

Universität Freiburg                                   phone: +49-761-203-5630
Abteilung für angewandte Mathematik                    fax:   +49-761-203-5632
Hermann-Herder-Straße 10
79104 Freiburg, Germany