From f7aac42b451345b2d6b2c1b45f24496fdfd3de47 Mon Sep 17 00:00:00 2001
From: alberto sartori <alberto.sartori86@gmail.com>
Date: Wed, 2 Mar 2016 15:01:27 +0100
Subject: [PATCH] Mapping Manifold Test 01

---
 tests/fe/mapping_manifold_01.cc     | 105 ++++++++++++++++++++++++++++
 tests/fe/mapping_manifold_01.output |   0
 2 files changed, 105 insertions(+)
 create mode 100644 tests/fe/mapping_manifold_01.cc
 create mode 100644 tests/fe/mapping_manifold_01.output

diff --git a/tests/fe/mapping_manifold_01.cc b/tests/fe/mapping_manifold_01.cc
new file mode 100644
index 0000000000..f20fb07b60
--- /dev/null
+++ b/tests/fe/mapping_manifold_01.cc
@@ -0,0 +1,105 @@
+// ---------------------------------------------------------------------
+//
+// 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.
+//
+// ---------------------------------------------------------------------
+
+
+
+#include "../tests.h"
+
+#include <deal.II/base/utilities.h>
+#include <deal.II/grid/tria.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/fe/mapping_q_generic.h>
+#include <deal.II/fe/mapping_manifold.h>
+#include <deal.II/grid/manifold_lib.h>
+
+#include <fstream>
+
+template<int dim, int spacedim>
+void test()
+{
+  deallog << "dim=" << dim << ", spacedim=" << spacedim << std::endl;
+
+  Triangulation<dim, spacedim>   triangulation;
+
+  const Point<2> center (7,9);
+  const Point<2> origin (0,0);
+  const double inner_radius = 0.5,
+               outer_radius = 1.0;
+  GridGenerator::hyper_shell (triangulation,
+                              center, inner_radius, outer_radius,
+                              10);
+
+
+  static  const SphericalManifold<dim> manifold(center);
+
+  triangulation.set_all_manifold_ids_on_boundary(0);
+  triangulation.set_manifold (0, manifold);
+  typename  Triangulation<dim,spacedim>::active_cell_iterator
+  cell = triangulation.begin_active(),
+  endc = triangulation.end();
+  for (; cell!=endc; ++cell)
+    cell->set_all_manifold_ids (0);
+  triangulation.refine_global (0);
+
+  const QGauss<spacedim> quadrature(7);
+
+  std::vector<Point<spacedim> > q_points = quadrature.get_points();
+
+
+  MappingManifold<dim,spacedim> map_manifold();
+  MappingQGeneric<dim,spacedim> map_q1(1);
+
+
+  cell = triangulation.begin_active();
+
+  std::ofstream two_be_plotted ("points.txt");
+  for (; cell!=endc; ++cell)
+    {
+      for (unsigned int i=0; i<q_points.size(); ++i)
+        {
+          // const Point<spacedim> p = map.transform_unit_to_real_cell(cell,q_points[i]);
+          // deallog << "mapping manifold ---> " << p.distance() << std::endl;
+
+          const Point<spacedim> pq = map_manifold.transform_unit_to_real_cell(cell,q_points[i]);
+          deallog << "mapping q1       ---> " << pq.distance(origin) << std::endl;
+          for (unsigned int d=0; d<spacedim; ++d)
+            two_be_plotted << pq[d] << "  ";
+          two_be_plotted << std::endl;
+        }
+    }
+}
+
+
+int
+main()
+{
+  std::ofstream logfile ("output");
+  deallog.attach(logfile);
+  deallog.threshold_double(1.e-10);
+
+
+  //  test<1,1>();
+  test<2,2>();
+  // test<3,3>();
+
+  // test<1,2>();
+  // test<1,3>();
+  // test<2,3>();
+
+  return 0;
+}
+
+
+
diff --git a/tests/fe/mapping_manifold_01.output b/tests/fe/mapping_manifold_01.output
new file mode 100644
index 0000000000..e69de29bb2
-- 
2.39.5