From: Luca Heltai <luca.heltai@sissa.it>
Date: Thu, 17 Feb 2022 13:06:22 +0000 (+0000)
Subject: Make GridGenerator::hyper_ball_balanced() available for GridGenerator::generate_from_... 
X-Git-Tag: v9.4.0-rc1~465^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13410%2Fhead;p=dealii.git

Make GridGenerator::hyper_ball_balanced() available for GridGenerator::generate_from_name_and_argument
---

diff --git a/doc/news/changes/minor/20220217LucaHeltai b/doc/news/changes/minor/20220217LucaHeltai
new file mode 100644
index 0000000000..59ddabe790
--- /dev/null
+++ b/doc/news/changes/minor/20220217LucaHeltai
@@ -0,0 +1,3 @@
+New: GridGenerator::generate_from_name_and_argument() now supports also GridGenerator::hyper_ball_balanced()
+<br>
+(Luca Heltai, 2022/02/17)
diff --git a/source/grid/grid_generator.cc b/source/grid/grid_generator.cc
index 1f7187a118..1f7d28dc79 100644
--- a/source/grid/grid_generator.cc
+++ b/source/grid/grid_generator.cc
@@ -3938,6 +3938,15 @@ namespace GridGenerator
 
 
 
+  template <>
+  void
+  hyper_ball_balanced(Triangulation<1> &, const Point<1> &, const double)
+  {
+    Assert(false, ExcNotImplemented());
+  }
+
+
+
   template <>
   void
   cylinder(Triangulation<1> &, const double, const double)
diff --git a/source/grid/grid_generator_from_name.cc b/source/grid/grid_generator_from_name.cc
index 8b58ef10b9..7243d0c8a1 100644
--- a/source/grid/grid_generator_from_name.cc
+++ b/source/grid/grid_generator_from_name.cc
@@ -129,6 +129,9 @@ namespace GridGenerator
         parse_and_create<dim, dim, const Point<dim> &, double, bool>(hyper_ball,
                                                                      arguments,
                                                                      tria);
+      else if (name == "hyper_ball_balanced")
+        parse_and_create<dim, dim, const Point<dim> &, double>(
+          hyper_ball_balanced, arguments, tria);
 
       else if (name == "quarter_hyper_ball")
         parse_and_create<dim, dim, const Point<dim> &, double>(
diff --git a/tests/grid/grid_generator_from_name_and_argument_02.cc b/tests/grid/grid_generator_from_name_and_argument_02.cc
new file mode 100644
index 0000000000..e89f9e720b
--- /dev/null
+++ b/tests/grid/grid_generator_from_name_and_argument_02.cc
@@ -0,0 +1,57 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2019 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.md at
+// the top level directory of deal.II.
+//
+// ---------------------------------------------------------------------
+
+// Test GridGenerator::generate_from_name_and_arguments.
+
+#include <deal.II/base/tensor.h>
+
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/grid_out.h>
+#include <deal.II/grid/tria.h>
+
+#include "../tests.h"
+
+template <int dim, int spacedim>
+void
+test(const std::string &name, const std::string &arguments)
+{
+  Triangulation<dim, spacedim> tria;
+
+  deallog << "Generating Triangulation<" << dim << ", " << spacedim
+          << "> : " << name << '(' << arguments << ')' << std::endl;
+
+  GridGenerator::generate_from_name_and_arguments(tria, name, arguments);
+
+  GridOut go;
+  go.write_msh(tria, deallog.get_file_stream());
+
+  std::ofstream ofile(name + "_" + std::to_string(dim) + "_" +
+                      std::to_string(spacedim) + ".msh");
+  go.write_msh(tria, ofile);
+}
+
+int
+main()
+{
+  initlog();
+
+  test<2, 3>("hyper_sphere", "0,0,0 : 1");
+
+  test<2, 2>("quarter_hyper_ball", "0,0 : 1");
+  test<3, 3>("quarter_hyper_ball", "0,0,0 : 1");
+
+  test<2, 2>("hyper_ball_balanced", "0,0 : 1");
+  test<3, 3>("hyper_ball_balanced", "0,0,0 : 1");
+}
diff --git a/tests/grid/grid_generator_from_name_and_argument_02.output b/tests/grid/grid_generator_from_name_and_argument_02.output
new file mode 100644
index 0000000000..5119b643ca
--- /dev/null
+++ b/tests/grid/grid_generator_from_name_and_argument_02.output
@@ -0,0 +1,193 @@
+
+DEAL::Generating Triangulation<2, 3> : hyper_sphere(0,0,0 : 1)
+$NOD
+8
+1  -0.577350 -0.577350 -0.577350
+2  0.577350 -0.577350 -0.577350
+3  -0.577350 0.577350 -0.577350
+4  0.577350 0.577350 -0.577350
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+6  0.577350 0.577350 0.577350
+7  -0.577350 -0.577350 0.577350
+8  -0.577350 0.577350 0.577350
+$ENDNOD
+$ELM
+6
+1 3 0 0 4 1 3 4 2 
+2 3 0 0 4 2 4 6 5 
+3 3 0 0 4 7 5 6 8 
+4 3 0 0 4 1 7 8 3 
+5 3 0 0 4 1 2 5 7 
+6 3 0 0 4 3 8 6 4 
+$ENDELM
+DEAL::Generating Triangulation<2, 2> : quarter_hyper_ball(0,0 : 1)
+$NOD
+7
+1  0.00000 0.00000 0
+2  1.00000 0.00000 0
+3  0.556470 0.00000 0
+4  0.00000 0.556470 0
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+6  0.00000 1.00000 0
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+$ENDNOD
+$ELM
+3
+1 3 0 0 4 1 3 5 4 
+2 3 0 0 4 2 7 5 3 
+3 3 0 0 4 6 4 5 7 
+$ENDELM
+DEAL::Generating Triangulation<3, 3> : quarter_hyper_ball(0,0,0 : 1)
+$NOD
+15
+1  0.00000 0.00000 0.00000
+2  1.00000 0.00000 0.00000
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+15  0.00000 0.00000 1.00000
+$ENDNOD
+$ELM
+4
+1 5 0 0 8 1 3 10 8 4 5 12 11 
+2 5 0 0 8 2 7 14 9 3 5 12 10 
+3 5 0 0 8 6 4 11 13 7 5 12 14 
+4 5 0 0 8 8 10 9 15 11 12 14 13 
+$ENDELM
+DEAL::Generating Triangulation<2, 2> : hyper_ball_balanced(0,0 : 1)
+$NOD
+17
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+2  1.00000 0.00000 0
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+15  -0.707107 -0.707107 0
+16  0.428830 -0.428830 0
+17  0.707107 -0.707107 0
+$ENDNOD
+$ELM
+12
+1 3 0 0 4 1 3 5 4 
+2 3 0 0 4 2 7 5 3 
+3 3 0 0 4 6 4 5 7 
+4 3 0 0 4 1 4 9 8 
+5 3 0 0 4 6 11 9 4 
+6 3 0 0 4 10 8 9 11 
+7 3 0 0 4 1 8 13 12 
+8 3 0 0 4 10 15 13 8 
+9 3 0 0 4 14 12 13 15 
+10 3 0 0 4 1 12 16 3 
+11 3 0 0 4 14 17 16 12 
+12 3 0 0 4 2 3 16 17 
+$ENDELM
+DEAL::Generating Triangulation<3, 3> : hyper_ball_balanced(0,0,0 : 1)
+$NOD
+53
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+$ENDNOD
+$ELM
+32
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+$ENDELM