<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class=""><br class=""></div>Paul,<div class=""><br class=""></div><div class="">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:</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="266C8298-8EA4-47CD-88B7-5DCC3252D197" width="1280" height="800" src="cid:12A6A473-D421-450E-9408-9D70B58F9942@ulg.ac.be" class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><blockquote type="cite" class="">On 22 Jun 2017, at 10:04, <a href="mailto:paul.carrico@free.fr" class="">paul.carrico@free.fr</a> wrote:<br class=""><br class="">Hi Guillaume,<br class=""> <br class="">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)<br class=""> <br class="">I need to dig into the documentation to see if it's possible to write "in hard"/to play with such options<br class=""> <br class="">Paul<br class=""> <br class=""> <br class=""> <br class="">Le 2017-06-22 08:56, DILASSER Guillaume a écrit :<br class=""><blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0" class="">Hi Paul, <br class=""><br class="">I think everything is related to the display options associated with<br class="">your post processing view. I would suggest that you go to the Tools ><br class="">Options menu and in the pop-up window select “View [0]” on the<br class="">left list, to the “General” tab on the top, then change a few<br class="">options : <br class=""><br class=""> · Interval type : set it to Filled Isovalues or Continuous<br class="">map. <br class=""><br class=""> · The reason why your mapping is not “regular” is<br class="">because the range of the value to display does not match to the range<br class="">of the data values. Change the range option to Custom, then click on<br class="">the Min and Max button directly under it. <br class=""><br class=""> · If you want, increase the “interval” option to to add<br class="">the interval count in the filled iso-value mode. <br class=""><br class=""> · To increase the number of digit in the legend of a view,<br class="">change the Format option to something like “%.6g”. <br class=""><br class="">Hope this helps, let me know if you still have questions, <br class=""><br class="">Guillaume DILASSER <br class=""><br class="">Doctorant SACM / LEAS <br class=""><br class="">CEA - Centre de Saclay - Bât.123 - PC 319c <br class=""><br class="">91191 Gif sur Yvette Cedex - France - <br class=""><br class=""><a href="mailto:guillaume.dilasser@cea.fr" class="">guillaume.dilasser@cea.fr</a> <br class=""><br class="">DE : gmsh [mailto:gmsh-bounces@ace20.montefiore.ulg.ac.be] DE LA PART<br class="">DE paul.carrico@free.fr<br class="">ENVOYÉ : mercredi 21 juin 2017 16:21<br class="">À : gmsh@onelab.info<br class="">OBJET : [Gmsh] post-processing : first test <br class=""><br class="">Hi ,<br class=""><br class="">I'm performing (first) tests in order to familiarize with gmsh<br class="">post-processingformat; still trying to understand some tags, but I've<br class="">been noticing visual differences in the mapping.<br class=""><br class="">In the attachment I provide the file (basic 20 nodes hexaedron) and<br class="">nodal values:<br class="">- using the original fomat, the mapping is not regular (and it should<br class="">be) <br class=""><br class="">- whereas if I export it into .pos format, and I reopen the later<br class="">file, i seems consistent <br class=""><br class="">I had a look in the different option, while it is new for me, nothing<br class="">has been obvious for me : any suggestion ? <br class=""><br class="">_Nb_: how can I increase the number of digits in the legend ? <br class=""><br class="">Thanks for the feedbacks <br class=""><br class="">Paul<br class=""></blockquote>_______________________________________________<br class="">gmsh mailing list<br class=""><a href="mailto:gmsh@onelab.info" class="">gmsh@onelab.info</a><br class="">http://onelab.info/mailman/listinfo/gmsh<br class=""></blockquote><br class=""><div class="">-- <br class="">Prof. Christophe Geuzaine<br class="">University of Liege, Electrical Engineering and Computer Science <br class=""><a href="http://www.montefiore.ulg.ac.be/~geuzaine" class="">http://www.montefiore.ulg.ac.be/~geuzaine</a><br class=""><br class="">Free software: http://gmsh.info | http://getdp.info | http://onelab.info<br class=""></div><br class=""></div></body></html>