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Merge branch 'Edge_Length' into 'master'

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ModEdgeLength Fix incompatibility with Eigen vector type

Closes #81

See merge request OpenMesh/OpenMesh!320
This commit is contained in:
Jan Möbius
2022-05-05 13:57:17 +00:00
parent 3e19748a1b f8ca3fa281
commit 187d670539
3 changed files with 145 additions and 1 deletions
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138
src/Unittests/unittests_eigen3_type.cc
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@@ -9,10 +9,13 @@
#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
#include <OpenMesh/Tools/Decimater/DecimaterT.hh>
#include <OpenMesh/Tools/Decimater/ModQuadricT.hh>
#include <OpenMesh/Tools/Decimater/ModEdgeLengthT.hh>
#include <OpenMesh/Tools/Decimater/ModNormalDeviationT.hh>
#include <OpenMesh/Core/Geometry/EigenVectorT.hh>
#include <OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh>
struct EigenTraits : OpenMesh::DefaultTraits {
using Point = Eigen::Vector3d;
using Normal = Eigen::Vector3d;
@@ -266,6 +269,141 @@ TEST_F(OpenMeshEigenTest, Decimater) {
EXPECT_EQ(1052u, mesh_.n_faces()) << "The number of faces after decimation is not correct!";
}
// Test decimation with Eigen as vector type
TEST_F(OpenMeshEigenTest, DecimaterWithEdgeLength) {
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::ModEdgeLengthT<EigenTriMesh>::Handle hModEdgeLength; // use a the edge length module
OpenMesh::Decimater::ModNormalDeviationT<EigenTriMesh>::Handle hModNormalDeviation; // also use normal deviation module as binary check
decimater.add(hModEdgeLength);
decimater.module(hModEdgeLength).set_edge_length(30.0);
decimater.add(hModNormalDeviation);
decimater.module(hModNormalDeviation).set_normal_deviation(50);
decimater.initialize();
size_t removedVertices = decimater.decimate_to(2);
mesh_.garbage_collection();
EXPECT_EQ(0u, removedVertices) << "The number of remove vertices is not correct!";
EXPECT_EQ( 7526u, mesh_.n_vertices()) << "The number of vertices after decimation is not correct!";
EXPECT_EQ(22572u, mesh_.n_edges()) << "The number of edges after decimation is not correct!";
EXPECT_EQ(15048u, mesh_.n_faces()) << "The number of faces after decimation is not correct!";
}
TEST_F(OpenMeshEigenTest, Subdivider_Sqrt3) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[9];
vhandle[0] = mesh_.add_vertex(EigenTriMesh::Point(0, 0, 0));
vhandle[1] = mesh_.add_vertex(EigenTriMesh::Point(0, 1, 0));
vhandle[2] = mesh_.add_vertex(EigenTriMesh::Point(0, 2, 0));
vhandle[3] = mesh_.add_vertex(EigenTriMesh::Point(1, 0, 0));
vhandle[4] = mesh_.add_vertex(EigenTriMesh::Point(1, 1, 0));
vhandle[5] = mesh_.add_vertex(EigenTriMesh::Point(1, 2, 0));
vhandle[6] = mesh_.add_vertex(EigenTriMesh::Point(2, 0, 0));
vhandle[7] = mesh_.add_vertex(EigenTriMesh::Point(2, 1, 0));
vhandle[8] = mesh_.add_vertex(EigenTriMesh::Point(2, 2, 0));
// Add eight faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[6]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[7]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[8]);
face_vhandles.push_back(vhandle[7]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[8]);
mesh_.add_face(face_vhandles);
// Test setup:
// 6 === 7 === 8
// | / | / |
// | / | / |
// | / | / |
// 3 === 4 === 5
// | / | \ |
// | / | \ |
// | / | \ |
// 0 === 1 === 2
// Initialize subdivider
OpenMesh::Subdivider::Uniform::Sqrt3T<EigenTriMesh> sqrt3;
// Check setup
EXPECT_EQ(9u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(8u, mesh_.n_faces() ) << "Wrong number of faces";
// Execute 3 subdivision steps
sqrt3.attach(mesh_);
sqrt3( 3 );
sqrt3.detach();
// Check setup
EXPECT_EQ(121u, mesh_.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
EXPECT_EQ(216u, mesh_.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
}
}
#endif