[Gmsh] problem with the "force vector" option

[Christophe Geuzaine]

On 13/07/10 15:40, Thomas DE-SOZA wrote:
>
> Hi,
>
> I'm using the latest nightly and I take advantage of the very useful
> "force vector" option in the Options panel/Visibility tab.
>
> I'm loading a MED file (attached) in the post-processing module, this
> MED file has a displacement field in it with 4 components : the first
> two are x,y coordinates of my displacement field while the third and
> four are additional degrees of freedom which I do not want displayed
> (since they are not displacement coordinates, my structure being 2D).
> That's why I use the "force vector" feature to force a vector which has
> the following component : 0 as the first, 1 as the second, nothing as
> the third.
>
> This does not work and yields a non-zero displacement along the z-axis :
> my structure moves out of plane. The workaround I found is to set the
> third forced component as 4 or above since my original field does not
> have more than 4 components.
>
> I hope I am clear.
>

Yes, thanks for the feedback!

Tomorrow's snapshot should improve this feature: you will be able to 
select "-1" to set a component to zero, and it will also work for all 
glyphs (e.g. text) and for point trajectories.


> I use GMSH on an Ubuntu 8.04 32 bits.
>
> Regards,
>
> Thomas
>
>
>
>
>
>
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine

-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine

-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine

-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine