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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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70
cmake/FindEIGEN3.cmake Normal file
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@@ -0,0 +1,70 @@
# - Try to find EIGEN3
# Once done this will define
# EIGEN3_FOUND - System has EIGEN3
# EIGEN3_INCLUDE_DIRS - The EIGEN3 include directories
if (EIGEN3_INCLUDE_DIR)
# in cache already
set(EIGEN3_FOUND TRUE)
set(EIGEN3_INCLUDE_DIRS "${EIGEN3_INCLUDE_DIR}" )
else (EIGEN3_INCLUDE_DIR)
# Check if the base path is set
if ( NOT CMAKE_WINDOWS_LIBS_DIR )
# This is the base directory for windows library search used in the finders we shipp.
set(CMAKE_WINDOWS_LIBS_DIR "c:/libs" CACHE STRING "Default Library search dir on windows." )
endif()
if ( CMAKE_GENERATOR MATCHES "^Visual Studio 11.*Win64" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2012/x64/")
elseif ( CMAKE_GENERATOR MATCHES "^Visual Studio 11.*" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2012/x32/")
elseif ( CMAKE_GENERATOR MATCHES "^Visual Studio 12.*Win64" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2013/x64/")
elseif ( CMAKE_GENERATOR MATCHES "^Visual Studio 12.*" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2013/x32/")
elseif ( CMAKE_GENERATOR MATCHES "^Visual Studio 14.*Win64" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2015/x64/")
elseif ( CMAKE_GENERATOR MATCHES "^Visual Studio 14.*" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2015/x32/")
elseif ( CMAKE_GENERATOR MATCHES "^Visual Studio 15.*Win64" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2017/x64/")
elseif ( CMAKE_GENERATOR MATCHES "^Visual Studio 15.*" )
SET(VS_SEARCH_PATH "${CMAKE_WINDOWS_LIBS_DIR}/vs2017/x32/")
endif()
find_path( EIGEN3_INCLUDE_DIR
NAMES Eigen/Dense
PATHS $ENV{EIGEN_DIR}
/usr/include/eigen3
/usr/local/include
/usr/local/include/eigen3/
/opt/local/include/eigen3/
"${CMAKE_WINDOWS_LIBS_DIR}/general/Eigen-3.3.4"
"${CMAKE_WINDOWS_LIBS_DIR}/general/Eigen-3.2.8"
"${CMAKE_WINDOWS_LIBS_DIR}/general/Eigen-3.2.6"
"${CMAKE_WINDOWS_LIBS_DIR}/Eigen-3.2.6"
"${CMAKE_WINDOWS_LIBS_DIR}/Eigen-3.2.6/include"
"${CMAKE_WINDOWS_LIBS_DIR}/Eigen-3.2.1"
"${CMAKE_WINDOWS_LIBS_DIR}/Eigen-3.2.1/include"
"${CMAKE_WINDOWS_LIBS_DIR}/Eigen-3.2/include"
"${CMAKE_WINDOWS_LIBS_DIR}/eigen3/include"
"${CMAKE_WINDOWS_LIBS_DIR}/eigen/include"
${PROJECT_SOURCE_DIR}/MacOS/Libs/eigen3/include
../../External/include
${module_file_path}/../../../External/include
)
set(EIGEN3_INCLUDE_DIRS "${EIGEN3_INCLUDE_DIR}" )
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LIBCPLEX_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(EIGEN3 DEFAULT_MSG
EIGEN3_INCLUDE_DIR)
mark_as_advanced(EIGEN3_INCLUDE_DIR)
endif(EIGEN3_INCLUDE_DIR)

106
src/OpenMesh/Core/Geometry/EigenVectorT.hh Normal file
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@@ -0,0 +1,106 @@
/* ========================================================================= *
* *
* OpenMesh *
* Copyright (c) 2001-2015, RWTH-Aachen University *
* Department of Computer Graphics and Multimedia *
* All rights reserved. *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* This file is part of OpenMesh. *
*---------------------------------------------------------------------------*
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* *
* 1. Redistributions of source code must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* *
* 3. Neither the name of the copyright holder nor the names of its *
* contributors may be used to endorse or promote products derived from *
* this software without specific prior written permission. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
* *
* ========================================================================= */
/** This file contains all code required to use Eigen3 vectors as Mesh
* vectors
*/
#pragma once
#include <Eigen/Core>
#include <Eigen/Dense>
#include <Eigen/Geometry>
namespace OpenMesh {
template <typename _Scalar, int _Rows, int _Cols, int _Options>
struct vector_traits<Eigen::Matrix<_Scalar, _Rows, _Cols, _Options>> {
static_assert(_Rows != Eigen::Dynamic && _Cols != Eigen::Dynamic,
"Should not use dynamic vectors.");
static_assert(_Rows == 1 || _Cols == 1, "Should not use matrices.");
using vector_type = Eigen::Matrix<_Scalar, _Rows, _Cols, _Options>;
using value_type = _Scalar;
static const size_t size_ = _Rows * _Cols;
static size_t size() { return size_; }
};
} // namespace OpenMesh
namespace Eigen {
template <typename Derived>
typename Derived::Scalar dot(const MatrixBase<Derived> &x,
const MatrixBase<Derived> &y) {
return x.dot(y);
}
template <typename Derived>
typename MatrixBase< Derived >::PlainObject cross(const MatrixBase<Derived> &x, const MatrixBase<Derived> &y) {
return x.cross(y);
}
template <typename Derived>
typename Derived::Scalar norm(const MatrixBase<Derived> &x) {
return x.norm();
}
template <typename Derived>
typename Derived::Scalar sqrnorm(const MatrixBase<Derived> &x) {
return x.dot(x);
}
template <typename Derived>
MatrixBase<Derived> normalize(MatrixBase<Derived> &x) {
std::cerr << "Norm : " << x.norm() << std::endl;
x /= x.norm();
std::cerr << "Norm : " << x << std::endl;
return x;
}
template <typename Derived>
MatrixBase<Derived> &vectorize(MatrixBase<Derived> &x,
typename Derived::Scalar const &val) {
x.fill(val);
return x;
}
} // namespace Eigen

9
src/Unittests/CMakeLists.txt
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@@ -17,11 +17,18 @@ 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()

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