On 04/17/2017 08:37 AM, Alberto Salvadori wrote:
Thanks Wolfgang.
What you surmised is exactly what it is happening, see the error message below.
I have no run-time errors in running this code
conststd::vector<DataComponentInterpretation::DataComponentInterpretation>
data_component_interpretation(dim+2,
DataComponentInterpretation::component_is_part_of_vector);
data_out.add_data_vector(system_solution,
std::vector<std::string> (dim+2, "displacement"),
DataOut<dim>::type_dof_data,
data_component_interpretation);
but I believe it is not what I want. I suppose that the data_out contains now
4 components for each node, two displacements, plus pressure and dilatation.
I'd love to export displacements
and the other two separately, but I am not sure how to achieve this. Doing this:
data_out.add_data_vector(system_solution,
std::vector<std::string> (dim, "displacement"),
DataOut<dim>::type_dof_data,
data_component_interpretation);
provides an run-time error, which makes sense.
Just provide the missing components to the data_out_interpretation -- take a
look at step-22 how this looks like.
Why do you want to output things separately? Why not have everything in one
output file? (It's possible to extract individual components using a
DataPostprocessor, but I don't usually understand why one would want to do that.)
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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