[Gmsh] PATH command

abhishek basak abhishek_basak at rediffmail.com
Fri Jun 10 09:24:52 CEST 2005


  Hi Cristophe,
I tried that and it worked! Thanks,
bye,
abhishek


On Tue, 07 Jun 2005 Christophe Geuzaine wrote :
>abhishek basak wrote:
>>  Hi Christophe,
>>
>>I tried your suggestion. It gave a graph al right, but not what I had expected. I gave the following dummy ".pos" file
>>
>>View "a scalar map" {
>>ST(0.0,0.0,0.0,10.0,0.0,0.0,0.0,10.0,0.0){10.0,10.0,10.0};
>>};
>>
>>this is stored in the file test.pos attached below.
>>Here a scalar triangle is defined with coordinates (0.0,0.0,0.0),(10.0,0.0,0.0) and (0.0,10.0,0.0). A plot of it is shown in Screen-1.jpg. Then I "cut grid" with the following i/p (Screen-2.jpg)
>>
>>x0=0.0
>>y0=0.0
>>z0=0.0
>>
>>x1=10.0
>>y1=0.0
>>z1=0.0
>>
>>x2=0.0
>>y2=10.0
>>z2=0.0
>>
>>ConnectPoints=0
>>
>>and then i set "2D space plot". The output is in file Screen-3.jpg. I expected a straight horizontal line, certainly not what I ultimately obtained.
>>
>>Did I do something wrong anywhere?
>
>You are using a rectangular grid of 20x20 points, with half the points outside the triangle... To get a grid along a single line, you should set either nPointsU or nPointsV to 1.
>
>Christophe
>
>
>
>>
>>Please advise,
>>
>>Thanking you,
>>
>>Abhishek Basak
>>
>>On Mon, 06 Jun 2005 Christophe Geuzaine wrote :
>>  >abhishek basak wrote:
>>  >>Hi, I was just checking out the gmesh program. I have been using
>>  >>ANSYS for quite some time now, and i have to say that GMESH
>>  >>incoperates most of the features of ANSYS. However, I could not find
>>  >>the equivalent of PATH command.
>>  >>
>>  >>For those who are not familiar with ANSYS, PATH plots the results of
>>  >>FEM analysis (temp,disp, etc), along a specified path between two
>>  >>points. The path need not be coincident with any of the nodes.
>>  >>
>>  >>Maybe the PATH or some equivalent command is already there in GMESH,
>>  >>  but it seems to ellude me. Please help me out.
>>  >>
>>  >
>>  >You should be able to do these kinds of things with the "Cut Grid"
>>  >and/or the "Cut Parametric" plugins (available in the "Plugin" menu when
>>  >right-clicking on a view button).
>>  >
>>  >If you set "ConnectPoints" to zero in these plugins, you can then plot
>>  >the data in 2D graphs by selecting "2D space plot" in
>>  >Tools->Options->View->General. You can also export the data in order to
>>  >visualize it with other tools by using "View->Save As".
>>  >
>>  >Christophe
>>  >
>>  >-- Christophe Geuzaine
>>  >Applied and Computational Mathematics, Caltech
>>  >geuzaine at acm.caltech.edu - http://geuz.org
>>
>>
>>
>><http://clients.rediff.com/signature/track_sig.asp>
>>------------------------------------------------------------------------
>>
>>
>>------------------------------------------------------------------------
>>
>>
>>------------------------------------------------------------------------
>>
>>
>>------------------------------------------------------------------------
>>
>>View "a scalar map" {
>>ST(0.0,0.0,0.0,10.0,0.0,0.0,0.0,10.0,0.0){10.0,10.0,10.0};
>>};
>>
>>
>>------------------------------------------------------------------------
>>
>>_______________________________________________
>>gmsh mailing list
>>gmsh at geuz.org
>>http://www.geuz.org/mailman/listinfo/gmsh
>
>
>-- Christophe Geuzaine
>Applied and Computational Mathematics, Caltech
>geuzaine at acm.caltech.edu - http://geuz.org
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