[Gmsh] post-processing : first test

[paul.carrico at free.fr]

you're right 

it's a wrong "good example" but I've noticed intreresting (other) things


Thanks for your time 

Paul 

Le 2017-06-22 10:50, Christophe Geuzaine a écrit : 

> Paul,
> 
> The problem is that your field is not linear on the hex; to see it,
> you'll need to go the the adaptive visualization mode:
> 
> On 22 Jun 2017, at 10:04, paul.carrico at free.fr wrote:
> 
> Hi Guillaume,
> 
> Yes I played with such options, but strange to have 7 intervals when
> asking for 10, and to note a different mapping when exporting to the
> old/legacy .pos format (but in that case the bounds min/max differ)
> 
> I need to dig into the documentation to see if it's possible to
> write "in hard"/to play with such options
> 
> Paul
> 
> Le 2017-06-22 08:56, DILASSER Guillaume a écrit :
> 
> Hi Paul,
> 
> I think everything is related to the display options associated
> with
> your post processing view. I would suggest that you go to the
> Tools >
> Options menu and in the pop-up window select "View [0]" on the
> left list, to the "General" tab on the top, then change a few
> options :
> 
> ·         Interval type : set it to Filled Isovalues or
> Continuous
> map.
> 
> ·         The reason why your mapping is not "regular" is
> because the  range of the value to display does not match to the
> range
> of the data values. Change the range option to Custom, then click
> on
> the Min and Max button directly under it.
> 
> ·         If you want, increase the "interval" option to to
> add
> the interval count in the filled iso-value mode.
> 
> ·         To increase the number of digit in the legend of a
> view,
> change the Format option to something like "%.6g".
> 
> Hope this helps, let me know if you still have questions,
> 
> Guillaume DILASSER
> 
> Doctorant SACM / LEAS
> 
> CEA - Centre de Saclay - Bât.123 - PC 319c
> 
> 91191 Gif sur Yvette Cedex - France -
> 
> guillaume.dilasser at cea.fr
> 
> DE : gmsh [mailto:gmsh-bounces at ace20.montefiore.ulg.ac.be] DE LA
> PART
> DE paul.carrico at free.fr
> ENVOYÉ : mercredi 21 juin 2017 16:21
> À : gmsh at onelab.info
> OBJET : [Gmsh] post-processing : first test
> 
> Hi ,
> 
> I'm performing (first) tests in order to familiarize with gmsh
> post-processingformat; still trying to understand some tags, but
> I've
> been noticing visual differences in the mapping.
> 
> In the attachment I provide the file (basic 20 nodes hexaedron)
> and
> nodal values:
> - using the original fomat, the mapping is not regular (and it
> should
> be)
> 
> - whereas if I export it into .pos format, and I reopen the later
> file, i seems consistent
> 
> I had a look in the different option, while it is new for me,
> nothing
> has been obvious for me : any suggestion ?
> 
> _Nb_: how can I increase the number of digits in the legend ?
> 
> Thanks for the feedbacks
> 
> Paul _______________________________________________
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine

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