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add a unittest for the decimater

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Max Lyon
2019-12-19 14:08:00 +01:00
parent 52d3ad9332
commit a26ee5d3ef
1 changed files with 34 additions and 0 deletions
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34
src/Unittests/unittests_eigen3_type.cc
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@@ -7,6 +7,9 @@
#include <OpenMesh/Core/Mesh/Traits.hh>
#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
#include <OpenMesh/Tools/Decimater/DecimaterT.hh>
#include <OpenMesh/Tools/Decimater/ModQuadricT.hh>
#include <OpenMesh/Tools/Decimater/ModNormalDeviationT.hh>
#include <OpenMesh/Core/Geometry/EigenVectorT.hh>
@@ -232,6 +235,37 @@ TEST_F(OpenMeshEigenTest, LoadSimpleOFFFile) {
mesh_.update_normals();
}
// Test decimation with Eigen as vector type
TEST_F(OpenMeshEigenTest, Decimater) {
mesh_.clear();
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1.off");
EXPECT_TRUE(ok);
EXPECT_EQ(7526u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
EXPECT_EQ(22572u, mesh_.n_edges()) << "The number of loaded edges is not correct!";
EXPECT_EQ(15048u, mesh_.n_faces()) << "The number of loaded faces is not correct!";
mesh_.update_normals();
OpenMesh::Decimater::DecimaterT<EigenTriMesh> decimater(mesh_);
OpenMesh::Decimater::ModQuadricT<EigenTriMesh>::Handle hModQuadric; // use a quadric module
OpenMesh::Decimater::ModNormalDeviationT<EigenTriMesh>::Handle hModNormalDeviation; // also use normal deviation module as binary check
decimater.add(hModQuadric);
decimater.add(hModNormalDeviation);
decimater.module(hModQuadric).unset_max_err();
decimater.module(hModNormalDeviation).set_normal_deviation(15);
decimater.initialize();
size_t removedVertices = decimater.decimate_to(8);
mesh_.garbage_collection();
EXPECT_EQ(6998u, removedVertices) << "The number of remove vertices is not correct!";
EXPECT_EQ( 528u, mesh_.n_vertices()) << "The number of vertices after decimation is not correct!";
EXPECT_EQ(1578u, mesh_.n_edges()) << "The number of edges after decimation is not correct!";
EXPECT_EQ(1052u, mesh_.n_faces()) << "The number of faces after decimation is not correct!";
}
}
#endif