Dear Steffen,
you want to have a look at the class TriaAccessor. There you can find
the functions TriaAccessor::index, which gives you the local index of
the vertex, and TriaAccessor::vertex, which gives you the coordinates of
the vertex. Then you can follow the vertex in time with the pair
cell_iterator and local vertex index, if you do not use any adaptivity
of the mesh.
Best Regards,
Markus
On 28.06.2012 21:30, Stefan Malzer wrote:
Dear all,
I would like to follow the motion of a specific (but arbitrary) vertex
as a time based problem (similar to step-18), to record the position
as a function of time. The vertex has most likely an index (unsigned
int) which I could get how? Secondly, once I have the unsigned int,
how can I access the vertex-pointer to further get the coordinates?
(I tried to dig through the documentation, but could not find it.)
Thanks,
Steffen
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