Hello,
I am trying to obtain the vertex global dofs using the DOFAccessor. I
employ the following code or the same:
const auto vertex_end = tria.end_vertex();
for (auto vertex = tria.begin_active_vertex(); vertex != vertex_end;
++vertex)
{
DoFAccessor<0, 1, 3, false> vertex_dofs(&tria,
vertex->level(),
vertex->index(),
&dof_handler);
std::cout << vertex_dofs.dof_index(0) << ", " << vertex_dofs.dof_index(1)
<< std::endl;
}
The error that i obtain is as follows:
dealii::TriaAccessor<0, 1, spacedim>::TriaAccessor(const
dealii::Triangulation<1, spacedim>*, int, int, const AccessorData*) [with
int spacedim = 3; dealii::TriaAccessor<0, 1, spacedim>::AccessorData = void]
The violated condition was:
(level == -2) && (index == -2)
Additional information:
This exception -- which is used in many places in the library --
usually indicates that some condition which the author of the code
thought must be satisfied at a certain point in an algorithm, is not
fulfilled. An example would be that the first part of an algorithm
sorts elements of an array in ascending order, and a second part of
the algorithm later encounters an element that is not larger than the
previous one.
There is usually not very much you can do if you encounter such an
exception since it indicates an error in deal.II, not in your own
program. Try to come up with the smallest possible program that still
demonstrates the error and contact the deal.II mailing lists with it
to obtain help.
Can someone help me with this? The main objective is to obtain the global
dof indices using the - dealii::TriaActiveIterator<dealii::TriaAccessor<0, 1,
3>>
Thanks
Vinayak
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