[petsc-users] Question about dm_view

[Matthew Knepley]

On Wed, May 28, 2014 at 1:28 PM, Sun, Hui <hus003 at ucsd.edu> wrote:

> Thanks Barry for quick reply. After I type ./ex5 -help | grep view, it
> comes out a list of options related to _view, all of which have the tag
> <FALSE>, what does this mean?
>

The <FALSE> is the current value. They are all false because you have not
turned them on. IF you are using the release version,
the viewing option is -da_view. The -dm_view is the new version which we
are about to release.

  Thanks,

    Matt


> ________________________________________
> From: Barry Smith [bsmith at mcs.anl.gov]
> Sent: Wednesday, May 28, 2014 11:25 AM
> To: Sun, Hui
> Cc: petsc-users at mcs.anl.gov
> Subject: Re: [petsc-users] Question about dm_view
>
>   Run as./ex5 -help | grep view to see the possibilities.  It depends on
> PETSc version number. When using the graphics want you generally want a
> -draw_pause -1 to stop that program at the graphic otherwise it pops up and
> disappears immediately.
>
>    Barry
>
>
> On May 28, 2014, at 1:21 PM, Sun, Hui <hus003 at ucsd.edu> wrote:
>
> > Hello, I'm new to PETSc. I'm reading a tutorial slide given in Imperial
> College from this site: Slides. In slide page 28, there is description of
> viewing the DA. I'm testing from my MAC the same commands listed on that
> page, for example, ex5 -dm_view, nothing interesting happen except the
> Number of Newton iterations is outputted. I'm expecting that the PETSc
> numbering would show up as a graphic window or something. Can anyone tell
> me what's missing here? Thank you!   ( Hui )
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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