OpenMesh
EigenVectorT.hh
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41 
45 #pragma once
46 
47 #include <Eigen/Core>
48 #include <Eigen/Dense>
49 #include <Eigen/Geometry>
50 
51 
52 namespace OpenMesh {
53  template <typename _Scalar, int _Rows, int _Cols, int _Options>
54  struct vector_traits<Eigen::Matrix<_Scalar, _Rows, _Cols, _Options>> {
55  static_assert(_Rows != Eigen::Dynamic && _Cols != Eigen::Dynamic,
56  "Should not use dynamic vectors.");
57  static_assert(_Rows == 1 || _Cols == 1, "Should not use matrices.");
58 
59  using vector_type = Eigen::Matrix<_Scalar, _Rows, _Cols, _Options>;
60  using value_type = _Scalar;
61  static const size_t size_ = _Rows * _Cols;
62  static size_t size() { return size_; }
63 };
64 
65 } // namespace OpenMesh
66 
67 namespace Eigen {
68 
69  template <typename Derived>
70  typename Derived::Scalar dot(const MatrixBase<Derived> &x,
71  const MatrixBase<Derived> &y) {
72  return x.dot(y);
73  }
74 
75  template <typename Derived>
76  typename MatrixBase< Derived >::PlainObject cross(const MatrixBase<Derived> &x, const MatrixBase<Derived> &y) {
77  return x.cross(y);
78  }
79 
80  template <typename Derived>
81  typename Derived::Scalar norm(const MatrixBase<Derived> &x) {
82  return x.norm();
83  }
84 
85  template <typename Derived>
86  typename Derived::Scalar sqrnorm(const MatrixBase<Derived> &x) {
87  return x.dot(x);
88  }
89 
90  template <typename Derived>
91  MatrixBase<Derived> normalize(MatrixBase<Derived> &x) {
92  x /= x.norm();
93  return x;
94  }
95 
96  template <typename Derived>
97  MatrixBase<Derived> &vectorize(MatrixBase<Derived> &x,
98  typename Derived::Scalar const &val) {
99  x.fill(val);
100  return x;
101  }
102 
103 } // namespace Eigen
104 
osg::Vec3f::ValueType dot(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:176
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
static size_t size()
size/dimension of the vector
Definition: vector_traits.hh:100
Definition: EigenVectorT.hh:67
Helper class providing information about a vector type.
Definition: vector_traits.hh:88
osg::Vec3f cross(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:191
static const size_t size_
size/dimension of the vector
Definition: vector_traits.hh:97

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