[petsc-users] Question about dm_view

[Sun, Hui]

Do I have to turn it on thru ./configure and then make everything again?

________________________________
From: Matthew Knepley [knepley at gmail.com]
Sent: Wednesday, May 28, 2014 12:10 PM
To: Sun, Hui
Cc: Barry Smith; petsc-users at mcs.anl.gov
Subject: Re: [petsc-users] Question about dm_view

On Wed, May 28, 2014 at 1:28 PM, Sun, Hui <hus003 at ucsd.edu<mailto: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<mailto:bsmith at mcs.anl.gov>]
Sent: Wednesday, May 28, 2014 11:25 AM
To: Sun, Hui
Cc: petsc-users at mcs.anl.gov<mailto: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<mailto: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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