[ncl-talk] Triangulation selection

[Mathieu Dutour]

Thanks!

Please tell if I can help. I know how to program in C and C++.

  Mathieu

On Fri, Nov 6, 2015 at 8:42 PM, David Brown <dbrown at ucar.edu> wrote:

> Hi Mathieu,
> Sorry for the delay in responding. I am going to take a look at your
> examples and see whether there is a fixable issue, or whether further
> development is needed to handle your cases. I suspect the latter, but
> I am not sure. In any case, we do want to make this work in a
> satisfactory manner.
>  -dave
>
> On Thu, Oct 29, 2015 at 11:45 AM, Mathieu Dutour
> <mathieu.dutour at gmail.com> wrote:
> > Dear all,
> >
> > I have a problem when plotting data from an unstructured mesh.
> >
> > The problem that happen is that some triangles are omitted on the
> > boundary is therefore not as nice as it could be. This happens in
> > at least two contexts (files in attachment):
> >
> > Case 1:
> > I select with   mpLeftCornerLatF  and similar a box
> > to make a plot. The nodes that are selected are the ones
> > inside the box and the triangles used are the ones of those
> > nodes. The problem is that some of the surface on the border
> > is not filled because the nodes that cover it are outside of the
> > box.
> >
> > Case 2:
> > I select with a box a box that contains all the points of the model.
> > The problem is that apparently some triangles on the boundary
> > are not used and I do not see why. If all triangles were used then
> > I would get a collored rectangle. This problem is independent
> > of the above as I made sure that all points are used.
> >
> > In both cases, if I outcomment
> >   res2 at sfElementNodes      = f->ele
> > the result is somewhat nicer but it does not really solve the essence
> > of the problem, which is missing triangles.
> >
> > Any help on addressing this problem would be much appreciated.
> >
> >   Mathieu
> >
> >
> >
> >
> >
> >
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>
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