Aded multiple choice decimater (~4 times faster than the heap one)

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@644 fdac6126-5c0c-442c-9429-916003d36597

src/Unittests/unittests_mc_decimater.hh

@@ -0,0 +1,62 @@
+#ifndef INCLUDE_UNITTESTS_MC_DECIMATER_HH
+#define INCLUDE_UNITTESTS_MC_DECIMATER_HH
+
+#include <gtest/gtest.h>
+#include <Unittests/unittests_common.hh>
+#include <OpenMesh/Tools/Decimater/McDecimaterT.hh>
+#include <OpenMesh/Tools/Decimater/ModQuadricT.hh>
+#include <OpenMesh/Tools/Decimater/ModNormalFlippingT.hh>
+
+class OpenMeshMultipleChoiceDecimater : public OpenMeshBase {
+
+    protected:
+
+        // This function is called before each test is run
+        virtual void SetUp() {
+            
+            // Do some initial stuff with the member data here...
+        }
+
+        // This function is called after all tests are through
+        virtual void TearDown() {
+
+            // Do some final stuff with the member data here...
+        }
+
+    // Member already defined in OpenMeshBase
+    //Mesh mesh_;  
+};
+
+/*
+ * ====================================================================
+ * Define tests below
+ * ====================================================================
+ */
+
+/*
+ */
+TEST_F(OpenMeshMultipleChoiceDecimater, DecimateMesh) {
+
+  bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1.off");
+    
+  ASSERT_TRUE(ok);
+
+  typedef OpenMesh::Decimater::McDecimaterT< Mesh >  Decimater;
+  typedef OpenMesh::Decimater::ModQuadricT< Decimater >::Handle HModQuadric;
+  typedef OpenMesh::Decimater::ModNormalFlippingT< Decimater >::Handle HModNormal;
+
+  Decimater decimaterDBG(mesh_);
+  HModQuadric hModQuadricDBG;
+  decimaterDBG.add( hModQuadricDBG );
+  decimaterDBG.initialize();
+  int removedVertices = 0;
+  removedVertices = decimaterDBG.decimate_to(5000);
+                    decimaterDBG.mesh().garbage_collection();
+
+  EXPECT_EQ(2526, removedVertices) << "The number of remove vertices is not correct!";
+  EXPECT_EQ(5000u, mesh_.n_vertices()) << "The number of vertices after decimation is not correct!";
+  EXPECT_EQ(14994u, mesh_.n_edges()) << "The number of edges after decimation is not correct!";
+  EXPECT_EQ(9996u, mesh_.n_faces()) << "The number of faces after decimation is not correct!";
+}
+
+#endif // INCLUDE GUARD