Hi jeff,

three questions:

 * are using the svn version?
 * if you had the correct values, how they would be plotted?

I'm asking you because if I know what you want, it might be a good idea to
integrate this into the interface without having to write the code yourself,

regards,
Luis


2011/3/3 jeff witz <[email protected]>

> Hello,
>
> I almost succeed in using matplotlib for plotting 2 dimensionnal linear
> triangle !
>
> So I have a two dimensional NonLinearelasticity problem, so I do the
> computation and extract the solution
>
> u = md.variable('u')
>
> In order to be able to plot solution in matplotlib 1.0.1 I need node table
> and element table. So I build this table :
>
>
> NbNod=m.pts().shape[1]
> NbElem = m.cvid().shape[0]
> NbNodElem=m.pid_from_cvid(0)[0].shape[0]
> ElemTab = np.zeros((NbElem,NbNodElem))
> for i in range(NbElem):
>     for j in range(NbNodElem):
>         ElemTab[i,j]=m.pid_in_cvids(i)[j]
>
> NodTab=np.transpose(m.pts())
>
> The main issue remain in the fact that I don't understand how the u vector
> is sorted.
> So when I plot the results the values don't correspond to the computed
> solution. Could you explain me how I can sort it.
>
> Logically this vector is 324 : 2* NbNod
>
> I try to use mf.basic_dof_nodes(), but I don't really understand the way
> output vector
>
> mf.basic_dof_nodes().shape
> Out[100]: (2, 324)
>
> which is equal to (2,2*NbNod)
>
> Could you help me to solve this out ?
>
> I think it would be great to be able to treat the data without leaving
> ipython.
>
> I just want to plot a simple tripcolor (pcolor in matlab) with a quiver
> over it. It will be quite simple once I have the good u vector
>
> I hope I can solve this before the Course I have to give Monday to show the
> student that everything can be done simply in python.
>
> Best regards.
>
>
>
>
> --
> Jean-François WITZ
>
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