[petsc-dev] DMDA VTK viewer regression: field names missing

Jed Brown jed at jedbrown.org
Thu Apr 4 10:52:31 CDT 2019

Matthew Knepley <knepley at gmail.com> writes:

> On Thu, Apr 4, 2019 at 12:26 AM Jed Brown via petsc-dev <
> petsc-dev at mcs.anl.gov> wrote:
>> Patrick Sanan via petsc-dev <petsc-dev at mcs.anl.gov> writes:
>> > I was going to say something similar to Matt; to me it is worth the 1.5x
>> > redundancy in the data if I can just view the output file with "doing
>> > anything special". I have also done something similar to what you're
>> > describing with save states, and it works fine; weirdly it seems like
>> much
>> > higher overhead than it is, though.
>> That overhead for 2D fields isn't a big deal for me, but how would you
>> identify that three components should be interpreted as vectors?  What
>> if they are three chemical concentrations?  Plotting as vectors would
>> just be confusing in that case.
> In PyLith, we annotate solution fields with transformation properties like
> this.

How do you "annotate" in a VTK file?

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