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Preliminary Eigen support. One unittest still fails

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refs #59
This commit is contained in:
Jan Möbius
2019-01-17 07:40:34 +01:00
parent ae8a49895b
commit 58085cd5f3
4 changed files with 404 additions and 8 deletions
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23
src/Unittests/CMakeLists.txt
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@@ -17,25 +17,32 @@ if ( OPENMESH_BUILD_UNIT_TESTS )
enable_testing()
find_package(EIGEN3)
# Set correct include paths so that the compiler can find the headers
include_directories(${GTEST_INCLUDE_DIRS})
include_directories(${GTEST_INCLUDE_DIRS} ${EIGEN3_INCLUDE_DIR})
# set additional link directories
link_directories(${GTEST_LIBRARY_DIR} )
if (EIGEN3_FOUND)
add_definitions( -DENABLE_EIGEN3_TEST )
endif()
if ( CMAKE_GENERATOR MATCHES "^Visual Studio 11.*" )
add_definitions( /D _VARIADIC_MAX=10 )
endif()
# Create new target named unittests_hexmeshing
FILE(GLOB UNITTEST_SRC *.cc)
# Create unittest executable
acg_add_executable(unittests ${UNITTEST_SRC})
acg_add_executable(unittests_customvec ${UNITTEST_SRC})
target_compile_definitions(unittests_customvec PRIVATE TEST_CUSTOM_TRAITS)
# Create unittest executable
acg_add_executable(unittests ${UNITTEST_SRC})
acg_add_executable(unittests_customvec ${UNITTEST_SRC})
target_compile_definitions(unittests_customvec PRIVATE TEST_CUSTOM_TRAITS)
# For the unittest we don't want the install rpath as set by acg_add_executable
set_target_properties ( unittests PROPERTIES BUILD_WITH_INSTALL_RPATH 0 )
set_target_properties ( unittests_customvec PROPERTIES BUILD_WITH_INSTALL_RPATH 0 )
# For the unittest we don't want the install rpath as set by acg_add_executable
set_target_properties ( unittests PROPERTIES BUILD_WITH_INSTALL_RPATH 0 )
set_target_properties ( unittests_customvec PROPERTIES BUILD_WITH_INSTALL_RPATH 0 )
# Set output directory to ${BINARY_DIR}/Unittests
set (OUTPUT_DIR "${CMAKE_BINARY_DIR}/Unittests")

213
src/Unittests/unittests_eigen3_type.cc Normal file
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@@ -0,0 +1,213 @@
#ifdef ENABLE_EIGEN3_TEST
#include <gtest/gtest.h>
#include <Unittests/unittests_common.hh>
#include <iostream>
#include <OpenMesh/Core/Mesh/Traits.hh>
#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
#include <OpenMesh/Core/Geometry/EigenVectorT.hh>
struct EigenTraits : OpenMesh::DefaultTraits {
using Point = Eigen::Vector3d;
using Normal = Eigen::Vector3d;
using TexCoord2D = Eigen::Vector2d;
};
using EigenTriMesh = OpenMesh::TriMesh_ArrayKernelT<EigenTraits>;
template <class Scalar>
Eigen::Matrix<Scalar, 3, 1>
transformPoint(Eigen::Matrix<Scalar, 3, 4> const &trans,
Eigen::Matrix<Scalar, 3, 1> const &point) {
return trans.leftCols(3) * point + trans.col(3);
}
namespace {
class OpenMeshEigenTest : public testing::Test {
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() {
}
EigenTriMesh mesh_;
};
TEST_F(OpenMeshEigenTest, Test_external_norm) {
EigenTriMesh::Normal normal(1,0,0);
EigenTriMesh::Scalar result = norm(normal);
EXPECT_EQ(result,1.0f ) << "Wrong norm";
normal = EigenTriMesh::Normal(2,0,0);
result = norm(normal);
EXPECT_EQ(result,2.0f ) << "Wrong norm";
}
TEST_F(OpenMeshEigenTest, Test_external_sqrnorm) {
EigenTriMesh::Normal normal(1,0,0);
EigenTriMesh::Scalar result = sqrnorm(normal);
EXPECT_EQ(result,1.0f ) << "Wrong norm";
normal = EigenTriMesh::Normal(2,0,0);
result = sqrnorm(normal);
EXPECT_EQ(result,4.0f ) << "Wrong norm";
}
TEST_F(OpenMeshEigenTest, Test_external_normalize) {
EigenTriMesh::Normal normal(2,0,0);
EigenTriMesh::Normal normalized = normalize(normal);
EXPECT_EQ(norm(normalized),1.0f ) << "Wrong norm after normalization";
normal = EigenTriMesh::Normal(2,6,9);
normalized = normalize(normal);
EXPECT_EQ(norm(normalized),1.0f ) << "Wrong norm after normalization";
}
TEST_F(OpenMeshEigenTest, Test_external_cross_Product) {
EigenTriMesh::Normal normal1(1,0,0);
EigenTriMesh::Normal normal2(1,1,0);
EigenTriMesh::Normal result = cross(normal1,normal2);
EXPECT_EQ(result[0],0.0f ) << "Wrong result x direction";
EXPECT_EQ(result[1],0.0f ) << "Wrong result y direction";
EXPECT_EQ(result[2],1.0f ) << "Wrong result z direction";
}
TEST_F(OpenMeshEigenTest, Test_external_dot_Product) {
EigenTriMesh::Normal normal1(1,0,0);
EigenTriMesh::Normal normal2(1,1,0);
EigenTriMesh::Normal normal3(1,1,1);
EigenTriMesh::Normal normal4(2,4,6);
EigenTriMesh::Scalar result = dot(normal1,normal2);
EigenTriMesh::Scalar result1 = dot(normal3,normal4);
EXPECT_EQ(result,1.0f ) << "Wrong dot product";
EXPECT_EQ(result1,12.0f ) << "Wrong dot product";
}
TEST_F(OpenMeshEigenTest, Test_Basic_setup) {
// Add some vertices
EigenTriMesh::VertexHandle vhandle[4];
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(1, 1, 0));
vhandle[3] = mesh_.add_vertex(EigenTriMesh::Point(1, 0, 0));
// Add two faces
std::vector<EigenTriMesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[0]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
EXPECT_EQ(mesh_.n_faces(),2) << "Wrong number of faces";
}
TEST_F(OpenMeshEigenTest, test_normal_computation) {
// Add some vertices
EigenTriMesh::VertexHandle vhandle[4];
mesh_.request_vertex_normals();
mesh_.request_face_normals();
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(1, 1, 0));
vhandle[3] = mesh_.add_vertex(EigenTriMesh::Point(1, 0, 0));
// Add two faces
std::vector<EigenTriMesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[0]);
EigenTriMesh::FaceHandle face1 = mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
EigenTriMesh::FaceHandle face2 = mesh_.add_face(face_vhandles);
mesh_.update_face_normals();
EXPECT_EQ(mesh_.n_faces(),2) << "Wrong number of faces";
EigenTriMesh::Normal normal = mesh_.normal(face1);
EXPECT_EQ(normal[0],0.0f ) << "Wrong normal x direction";
EXPECT_EQ(normal[1],0.0f ) << "Wrong normal y direction";
EXPECT_EQ(normal[2],1.0f ) << "Wrong normal z direction";
normal = mesh_.normal(face2);
EXPECT_EQ(normal[0],0.0f ) << "Wrong normal x direction";
EXPECT_EQ(normal[1],0.0f ) << "Wrong normal y direction";
EXPECT_EQ(normal[2],1.0f ) << "Wrong normal z direction";
}
}
#endif