On 25/03/11 07:38, Christophe Geuzaine wrote:
On 25/03/11 04:30, Lachlan Mason wrote:
Hi,
I am having problems when using the cutgrid plugin to make a line
profile though a scalar field. The sample ".msh" file containing the
mesh is attached with the ".opt" options file used for the cutgrid
plugin.
When I make a two-dimensional plot of the scalar field value over a
range of x-coordinates the profile is identically zero (ie. 0) for
particular regions of x-coordinate points. This is shown in the ".png"
file attached.
Indeed, I can reproduce the problem here. I will investigate.
I think I understand the problem: in addition to triangles your mesh
contains "line" elements for each edge of the mesh. The CutGrid plugin
uses an octree to find to which element a "cut point" belongs; sometimes
it returns a line element, to which no value is associated in the
postprocessing view.
Not sure how we should fix this...
Thanks for the report,
Christophe
Can you please help me with this issue? I am using Gmsh 2.5.0.
Regards,
Lachlan Mason
--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine
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