57#ifndef OPENMESH_POLYMESHT_HH
58#define OPENMESH_POLYMESHT_HH
64#include <OpenMesh/Core/System/config.h>
65#include <OpenMesh/Core/Geometry/MathDefs.hh>
66#include <OpenMesh/Core/Mesh/PolyConnectivity.hh>
67#include <OpenMesh/Core/Mesh/FinalMeshItemsT.hh>
93template <
class Kernel>
104 enum { IsPolyMesh = 1 };
105 enum { IsTriMesh = 0 };
106 static bool is_polymesh() {
return true; }
107 static bool is_trimesh() {
return false; }
115 typedef typename Kernel::Point
Point;
119 typedef typename Kernel::Color
Color;
131 typedef typename Kernel::Edge
Edge;
133 typedef typename Kernel::Face
Face;
203 {
return Kernel::new_vertex(); }
213 this->set_point(vh, _p);
231 this->set_point(vh, _p);
274 const Point& _p2)
const;
387 return this->point(this->to_vertex_handle(_heh)) -
388 this->point(this->from_vertex_handle(_heh));
407 return edge_vec.sqrnorm();
429 Scalar denom = v0.norm()*v1.norm();
435 if (this->is_boundary(_in_heh))
437 FaceHandle fh(this->face_handle(this->opposite_halfedge_handle(_in_heh)));
440 return angle(cos_a, sign_a);
474 _sector_normal = cross(vec0, vec1);
484 return sector_normal.norm()/2;
492 assert(Kernel::has_face_normals());
494 if (this->is_boundary(this->edge_handle(_heh)))
498 const Normal& n0 = this->normal(this->face_handle(_heh));
499 const Normal& n1 = this->normal(this->face_handle(this->opposite_halfedge_handle(_heh)));
504 Scalar da_sin_sign =
dot(cross(n0, n1), he);
505 return angle(da_cos, da_sin_sign);
516 if (this->is_boundary(this->edge_handle(_heh)))
524 Scalar denom = n0.norm()*n1.norm();
531 Scalar da_sin_sign =
dot(cross(n0, n1), he);
532 return angle(da_cos, da_sin_sign);
549 { Kernel::split(_fh, _vh); }
555 { Kernel::split_edge(_eh, _vh); }
558 struct PointIs3DTag {};
559 struct PointIsNot3DTag {};
591template<
typename LHS,
typename KERNEL>
596template<
typename LHS,
typename KERNEL>
598 return MeshCast<LHS, PolyMeshT<KERNEL>*>::cast(rhs);
601template<
typename LHS,
typename KERNEL>
606template<
typename LHS,
typename KERNEL>
614#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_POLYMESH_C)
615# define OPENMESH_POLYMESH_TEMPLATES
616# include "PolyMeshT.cc"
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:64
osg::Vec3f::ValueType dot(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition VectorAdapter.hh:181
T angle(T _cos_angle, T _sin_angle)
returns the angle determined by its cos and the sign of its sin result is positive if the angle is in...
Definition MathDefs.hh:145
bool is_zero(const T &_a, Real _eps)
comparison operators with user-selected precision control
Definition MathDefs.hh:66
LHS mesh_cast(PolyMeshT< KERNEL > &rhs)
Cast a mesh with different but identical traits into each other.
Definition PolyMeshT.hh:592
T sane_aarg(T _aarg)
Trigonometry/angles - related.
Definition MathDefs.hh:127
Cast a mesh with different but identical traits into each other.
Definition FinalMeshItemsT.hh:183
Base type for a polygonal mesh.
Definition PolyMeshT.hh:95
AttribKernel::Vertex Vertex
Definition PolyMeshT.hh:127
AttribKernel::FaceEdgeIter FaceEdgeIter
Definition PolyMeshT.hh:172
void calc_face_centroid(FaceHandle _fh, Point &_pt) const
calculates the average of the vertices defining _fh
Definition PolyMeshT.hh:276
AttribKernel::ConstFaceIter ConstFaceIter
Definition PolyMeshT.hh:154
AttribKernel::VertexHandle VertexHandle
Definition PolyMeshT.hh:139
AttribKernel::Scalar Scalar
Definition PolyMeshT.hh:113
AttribKernel::ConstVertexVertexIter ConstVertexVertexIter
Definition PolyMeshT.hh:175
void calc_edge_vector(HalfedgeHandle _heh, Normal &_edge_vec) const
Calculates the edge vector as the difference of the the points defined by to_vertex_handle() and from...
Definition PolyMeshT.hh:378
AttribKernel::ConstFaceHalfedgeIter ConstFaceHalfedgeIter
Definition PolyMeshT.hh:181
AttribKernel::EdgeHandle EdgeHandle
Definition PolyMeshT.hh:141
AttribKernel::VertexFaceIter VertexFaceIter
Definition PolyMeshT.hh:169
AttribKernel::ConstFaceVertexIter ConstFaceVertexIter
Definition PolyMeshT.hh:180
AttribKernel::Halfedge Halfedge
Definition PolyMeshT.hh:129
void calc_vertex_normal_fast(VertexHandle _vh, Normal &_n) const
Different methods for calculation of the normal at _vh:
Definition PolyMeshT.cc:387
void calc_vertex_normal_correct(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition PolyMeshT.cc:397
PolyMeshT()
Circulator.
Definition PolyMeshT.hh:188
Scalar calc_dihedral_angle(EdgeHandle _eh) const
Compute normals for all primitives.
Definition PolyMeshT.hh:536
AttribKernel::FaceIter FaceIter
Definition PolyMeshT.hh:149
AttribKernel::Normal Normal
Definition PolyMeshT.hh:117
AttribKernel::FaceVertexIter FaceVertexIter
Definition PolyMeshT.hh:170
Normal calc_face_normal(const Point &_p0, const Point &_p1, const Point &_p2) const
Calculate normal vector for face (_p0, _p1, _p2).
Definition PolyMeshT.cc:167
AttribKernel::VertexIHalfedgeIter VertexIHalfedgeIter
Definition PolyMeshT.hh:167
void split(FaceHandle _fh, VertexHandle _vh)
Compute normals for all primitives.
Definition PolyMeshT.hh:548
Point calc_face_centroid(FaceHandle _fh) const
Computes and returns the average of the vertices defining _gh.
Definition PolyMeshT.cc:223
AttribKernel::TexCoord2D TexCoord2D
Definition PolyMeshT.hh:123
Scalar calc_sector_area(HalfedgeHandle _in_heh) const
calculates the area of the face sector defined by the angle <(_in_heh,next_halfedge(_in_heh)) NOTE: s...
Definition PolyMeshT.hh:480
void update_face_normals()
Update normal vectors for all faces.
Definition PolyMeshT.cc:259
void update_halfedge_normals(const double _feature_angle=0.8)
Update normal vectors for all halfedges.
Definition PolyMeshT.cc:274
unsigned int find_feature_edges(Scalar _angle_tresh=OpenMesh::deg_to_rad(44.0))
tags an edge as a feature if its dihedral angle is larger than _angle_tresh returns the number of the...
Definition PolyMeshT.cc:79
virtual Normal calc_halfedge_normal(HalfedgeHandle _heh, const double _feature_angle=0.8) const
Calculate halfedge normal for one specific halfedge.
Definition PolyMeshT.cc:289
Scalar calc_sector_angle(HalfedgeHandle _in_heh) const
calculates the sector angle.
Definition PolyMeshT.hh:425
AttribKernel::ConstFaceEdgeIter ConstFaceEdgeIter
Definition PolyMeshT.hh:182
AttribKernel::TexCoord3D TexCoord3D
Definition PolyMeshT.hh:125
void update_normals()
Compute normals for all primitives.
Definition PolyMeshT.cc:241
AttribKernel::ConstVertexFaceIter ConstVertexFaceIter
Definition PolyMeshT.hh:179
AttribKernel::VertexOHalfedgeIter VertexOHalfedgeIter
Definition PolyMeshT.hh:166
AttribKernel::VertexEdgeIter VertexEdgeIter
Definition PolyMeshT.hh:168
Scalar calc_dihedral_angle(HalfedgeHandle _heh) const
Compute normals for all primitives.
Definition PolyMeshT.hh:514
AttribKernel::Face Face
Definition PolyMeshT.hh:133
AttribKernel::ConstVertexIHalfedgeIter ConstVertexIHalfedgeIter
Definition PolyMeshT.hh:177
virtual Normal calc_face_normal(FaceHandle _fh) const
Calculate normal vector for face _fh.
Definition PolyMeshT.cc:102
VertexHandle new_vertex(const Point &_p)
Adds a new vertex initialized to a custom position.
Definition PolyMeshT.hh:210
Scalar calc_edge_length(EdgeHandle _eh) const
Compute normals for all primitives.
Definition PolyMeshT.hh:392
AttribKernel::ConstHalfedgeIter ConstHalfedgeIter
Definition PolyMeshT.hh:152
VertexHandle new_vertex_dirty(const Point &_p)
Same as new_vertex(const Point&) but never shrinks, only enlarges the vertex property vectors.
Definition PolyMeshT.hh:228
void update_normal(VertexHandle _vh)
Update normal for vertex _vh.
Definition PolyMeshT.hh:318
void calc_sector_vectors(HalfedgeHandle _in_heh, Normal &_vec0, Normal &_vec1) const
defines a consistent representation of a sector geometry: the halfedge _in_heh defines the sector ori...
Definition PolyMeshT.hh:414
AttribKernel::FaceFaceIter FaceFaceIter
Definition PolyMeshT.hh:173
bool is_estimated_feature_edge(HalfedgeHandle _heh, const double _feature_angle) const
identifies feature edges w.r.t.
Definition PolyMeshT.cc:342
Normal calc_edge_vector(EdgeHandle _eh) const
Calculates the edge vector as the vector defined by the halfedge with id #0 (see below)
Definition PolyMeshT.hh:371
virtual ~PolyMeshT()
Circulator.
Definition PolyMeshT.hh:189
AttribKernel::ConstVertexEdgeIter ConstVertexEdgeIter
Definition PolyMeshT.hh:178
Scalar calc_edge_sqr_length(HalfedgeHandle _heh) const
Compute normals for all primitives.
Definition PolyMeshT.hh:403
void calc_edge_vector(EdgeHandle _eh, Normal &_edge_vec) const
Calculates the edge vector as the vector defined by the halfedge with id #0 (see below)
Definition PolyMeshT.hh:364
AttribKernel::Edge Edge
Definition PolyMeshT.hh:131
AttribKernel::FaceHandle FaceHandle
Definition PolyMeshT.hh:142
void update_normal(FaceHandle _fh)
Update normal for face _fh.
Definition PolyMeshT.hh:259
Scalar calc_dihedral_angle_fast(EdgeHandle _eh) const
calculates the dihedral angle on the edge _eh
Definition PolyMeshT.hh:510
VertexHandle add_vertex(const Point &_p)
Alias for new_vertex(const Point&).
Definition PolyMeshT.hh:236
void calc_vertex_normal_loop(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition PolyMeshT.cc:425
void split(EdgeHandle _eh, const Point &_p)
Compute normals for all primitives.
Definition PolyMeshT.hh:551
AttribKernel::HalfedgeHandle HalfedgeHandle
Definition PolyMeshT.hh:140
AttribKernel::EdgeIter EdgeIter
Definition PolyMeshT.hh:148
void update_normal(HalfedgeHandle _heh, const double _feature_angle=0.8)
Update normal for halfedge _heh.
Definition PolyMeshT.hh:284
AttribKernel::ConstEdgeIter ConstEdgeIter
Definition PolyMeshT.hh:153
AttribKernel::ConstVertexIter ConstVertexIter
Definition PolyMeshT.hh:151
void update_vertex_normals()
Update normal vectors for all vertices.
Definition PolyMeshT.cc:448
void calc_sector_normal(HalfedgeHandle _in_heh, Normal &_sector_normal) const
calculates the normal (non-normalized) of the face sector defined by the angle <(_in_heh,...
Definition PolyMeshT.hh:470
AttribKernel::ConstVertexOHalfedgeIter ConstVertexOHalfedgeIter
Definition PolyMeshT.hh:176
VertexHandle add_vertex_dirty(const Point &_p)
Alias for new_vertex_dirty().
Definition PolyMeshT.hh:240
Normal calc_edge_vector(HalfedgeHandle _heh) const
Calculates the edge vector as the difference of the the points defined by to_vertex_handle() and from...
Definition PolyMeshT.hh:385
Scalar calc_edge_sqr_length(EdgeHandle _eh) const
Compute normals for all primitives.
Definition PolyMeshT.hh:400
AttribKernel::VertexVertexIter VertexVertexIter
Definition PolyMeshT.hh:165
void split(EdgeHandle _eh, VertexHandle _vh)
Compute normals for all primitives.
Definition PolyMeshT.hh:554
AttribKernel::HalfedgeIter HalfedgeIter
Definition PolyMeshT.hh:147
Scalar calc_edge_length(HalfedgeHandle _heh) const
Calculates the length of the edge _heh.
Definition PolyMeshT.hh:397
AttribKernel::FaceHalfedgeIter FaceHalfedgeIter
Definition PolyMeshT.hh:171
AttribKernel::Point Point
Definition PolyMeshT.hh:115
VertexHandle new_vertex()
Uses default copy and assignment operator.
Definition PolyMeshT.hh:202
PolyMeshT< AttribKernel > This
Definition PolyMeshT.hh:99
AttribKernel::ConstFaceFaceIter ConstFaceFaceIter
Definition PolyMeshT.hh:183
void split(FaceHandle _fh, const Point &_p)
Face split (= 1-to-n split)
Definition PolyMeshT.hh:545
AttribKernel::Color Color
Definition PolyMeshT.hh:119
AttribKernel::TexCoord1D TexCoord1D
Definition PolyMeshT.hh:121
AttribKernel::VertexIter VertexIter
Definition PolyMeshT.hh:146
Scalar calc_dihedral_angle_fast(HalfedgeHandle _heh) const
calculates the dihedral angle on the halfedge _heh
Definition PolyMeshT.hh:489
Normal calc_vertex_normal(VertexHandle _vh) const
Calculate vertex normal for one specific vertex.
Definition PolyMeshT.cc:373