--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2016 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+
+// MappingQ::clone forgot to copy the flag that describes whether to
+// also use curved geometries in interior cells. This could lead to
+// wrong output in DataOut, which puts the mapping into a
+// hp::MappingCollection, which requires cloning the mapping.
+//
+// based on a testcase by Sebastian Gonzalez-Pintor
+
+#include "../tests.h"
+#include <deal.II/base/logstream.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/tria_accessor.h>
+#include <deal.II/grid/tria_iterator.h>
+#include <deal.II/grid/tria_boundary_lib.h>
+#include <deal.II/grid/tria.h>
+#include <deal.II/grid/manifold_lib.h>
+#include <deal.II/grid/grid_out.h>
+
+#include <deal.II/dofs/dof_handler.h>
+#include <deal.II/dofs/dof_accessor.h>
+
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_values.h>
+#include <deal.II/fe/mapping_q.h>
+
+#include <deal.II/numerics/data_out.h>
+
+#include <fstream>
+
+
+int main ()
+{
+ std::ofstream logfile("output");
+ deallog.attach(logfile);
+ deallog.threshold_double(1.e-10);
+
+ const Point<2> center (0,0);
+ const SphericalManifold<2> boundary_description (center);
+
+ for (unsigned int degree=1; degree <= 4; ++degree)
+ {
+ deallog << "===== Mapping degree " << degree << std::endl;
+
+ Triangulation<2> triangulation;
+ GridGenerator::hyper_ball (triangulation, Point< 2 >(0.0,0.0), 1.0 );
+
+ const MappingQ<2> mapping (degree, true);
+ const FE_Q<2> dummy_fe (1);
+ DoFHandler<2> dof_handler (triangulation);
+
+ for (Triangulation<2>::active_cell_iterator
+ cell = triangulation.begin_active(); cell!=triangulation.end(); ++cell)
+ {
+ if (cell->center().square() < 1.e-5)
+ cell->set_material_id(1);
+ else
+ cell->set_material_id(0);
+ }
+
+ Triangulation<2>::active_cell_iterator
+ cell = triangulation.begin_active(),
+ endc = triangulation.end();
+
+ for (; cell!=endc; ++cell)
+ if (cell->material_id() != 1)
+ cell->set_all_manifold_ids (100);
+
+ triangulation.set_manifold (100, boundary_description);
+
+ dof_handler.distribute_dofs (dummy_fe);
+
+ DataOut<2> data_out;
+ data_out.attach_dof_handler (dof_handler);
+ data_out.build_patches (mapping, 5, DataOut<2>::curved_inner_cells );
+ data_out.write_vtk (deallog.get_file_stream());
+ }
+}
+
+
--- /dev/null
+
+DEAL::===== Mapping degree 1
+# vtk DataFile Version 3.0
+#This file was generated
+ASCII
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+
+CELL_TYPES 125
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+DEAL::===== Mapping degree 2
+# vtk DataFile Version 3.0
+#This file was generated
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projects / dealii.git / commitdiff