OpenMesh
PolyMeshT.hh
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41
42
43
44
45//=============================================================================
46//
47// CLASS PolyMeshT
48//
49//=============================================================================
50
51
52#ifndef OPENMESH_POLYMESHT_HH
53#define OPENMESH_POLYMESHT_HH
54
55
56//== INCLUDES =================================================================
57
58
59#include <OpenMesh/Core/System/config.h>
60#include <OpenMesh/Core/Geometry/MathDefs.hh>
61#include <OpenMesh/Core/Mesh/PolyConnectivity.hh>
62#include <OpenMesh/Core/Mesh/FinalMeshItemsT.hh>
63#include <OpenMesh/Core/Mesh/Tags.hh>
64#include <vector>
65
66
67//== NAMESPACES ===============================================================
68
69
70namespace OpenMesh {
71
72//== CLASS DEFINITION =========================================================
73
74
89template <class Kernel>
90class PolyMeshT : public Kernel
91{
92public:
93
96 //--- item types ---
97
99
100 static constexpr bool is_polymesh() { return true; }
101 static constexpr bool is_trimesh() { return false; }
102 using ConnectivityTag = PolyConnectivityTag;
103 enum { IsPolyMesh = 1 };
104 enum { IsTriMesh = 0 };
106
108
109
110 typedef typename Kernel::Scalar Scalar;
112 typedef typename Kernel::Point Point;
114 typedef typename Kernel::Normal Normal;
116 typedef typename Kernel::Color Color;
124 typedef typename Kernel::Vertex Vertex;
126 typedef typename Kernel::Halfedge Halfedge;
128 typedef typename Kernel::Edge Edge;
130 typedef typename Kernel::Face Face;
132
133 //--- handle types ---
134
136 typedef typename Kernel::VertexHandle VertexHandle;
137 typedef typename Kernel::HalfedgeHandle HalfedgeHandle;
138 typedef typename Kernel::EdgeHandle EdgeHandle;
139 typedef typename Kernel::FaceHandle FaceHandle;
140
141
142
143 typedef typename Kernel::VertexIter VertexIter;
144 typedef typename Kernel::HalfedgeIter HalfedgeIter;
145 typedef typename Kernel::EdgeIter EdgeIter;
146 typedef typename Kernel::FaceIter FaceIter;
147
148 typedef typename Kernel::ConstVertexIter ConstVertexIter;
149 typedef typename Kernel::ConstHalfedgeIter ConstHalfedgeIter;
150 typedef typename Kernel::ConstEdgeIter ConstEdgeIter;
151 typedef typename Kernel::ConstFaceIter ConstFaceIter;
153
154 //--- circulators ---
155
162 typedef typename Kernel::VertexVertexIter VertexVertexIter;
163 typedef typename Kernel::VertexOHalfedgeIter VertexOHalfedgeIter;
164 typedef typename Kernel::VertexIHalfedgeIter VertexIHalfedgeIter;
165 typedef typename Kernel::VertexEdgeIter VertexEdgeIter;
166 typedef typename Kernel::VertexFaceIter VertexFaceIter;
167 typedef typename Kernel::FaceVertexIter FaceVertexIter;
168 typedef typename Kernel::FaceHalfedgeIter FaceHalfedgeIter;
169 typedef typename Kernel::FaceEdgeIter FaceEdgeIter;
170 typedef typename Kernel::FaceFaceIter FaceFaceIter;
171
172 typedef typename Kernel::ConstVertexVertexIter ConstVertexVertexIter;
173 typedef typename Kernel::ConstVertexOHalfedgeIter ConstVertexOHalfedgeIter;
174 typedef typename Kernel::ConstVertexIHalfedgeIter ConstVertexIHalfedgeIter;
175 typedef typename Kernel::ConstVertexEdgeIter ConstVertexEdgeIter;
176 typedef typename Kernel::ConstVertexFaceIter ConstVertexFaceIter;
177 typedef typename Kernel::ConstFaceVertexIter ConstFaceVertexIter;
178 typedef typename Kernel::ConstFaceHalfedgeIter ConstFaceHalfedgeIter;
179 typedef typename Kernel::ConstFaceEdgeIter ConstFaceEdgeIter;
180 typedef typename Kernel::ConstFaceFaceIter ConstFaceFaceIter;
182
183
184 // --- constructor/destructor
186 template<typename T>
187 explicit PolyMeshT(const T& t) : Kernel(t) {}
188 virtual ~PolyMeshT() {}
189
194 // --- creation ---
195
202 { return make_smart(Kernel::new_vertex(), this); }
203
211 {
212 VertexHandle vh(Kernel::new_vertex());
213 this->set_point(vh, _p);
214 return make_smart(vh, this);
215 }
216
229 {
230 VertexHandle vh(Kernel::new_vertex_dirty());
231 this->set_point(vh, _p);
232 return make_smart(vh, this);
233 }
234
239 { return new_vertex(_p); }
240
243 { return make_smart(new_vertex_dirty(_p), this); }
244
245 // --- normal vectors ---
246
250
258 void update_normals();
259
262 { this->set_normal(_fh, calc_face_normal(_fh)); }
263
269 void update_face_normals();
270
272 virtual Normal calc_face_normal(FaceHandle _fh) const;
273
275 Normal calc_face_normal(const Point& _p0, const Point& _p1,
276 const Point& _p2) const;
277
279 Normal calc_normal(FaceHandle _fh) const;
280
282 void calc_face_centroid(FaceHandle _fh, Point& _pt) const {
283 _pt = calc_face_centroid(_fh);
284 }
285
288
290 Point calc_centroid(FaceHandle _fh) const;
291
293 Point calc_centroid(EdgeHandle _eh) const;
294
297
300
302 Point calc_centroid(MeshHandle _mh) const;
303
305 void update_normal(HalfedgeHandle _heh, const double _feature_angle = 0.8)
306 { this->set_normal(_heh, calc_halfedge_normal(_heh,_feature_angle)); }
307
317 void update_halfedge_normals(const double _feature_angle = 0.8);
318
331 virtual Normal calc_halfedge_normal(HalfedgeHandle _heh, const double _feature_angle = 0.8) const;
332
334 Normal calc_normal(HalfedgeHandle, const double _feature_angle = 0.8) const;
335
338 bool is_estimated_feature_edge(HalfedgeHandle _heh, const double _feature_angle) const;
339
342 { this->set_normal(_vh, calc_vertex_normal(_vh)); }
343
354
368
376 void calc_vertex_normal_fast(VertexHandle _vh, Normal& _n) const;
378 void calc_vertex_normal_loop(VertexHandle _vh, Normal& _n) const;
379
382
384
385 // --- Geometry API - still in development ---
386
389 void calc_edge_vector(EdgeHandle _eh, Normal& _edge_vec) const
390 {
391 _edge_vec = calc_edge_vector(_eh);
392 }
393
397 {
398 return calc_edge_vector(this->halfedge_handle(_eh,0));
399 }
400
403 void calc_edge_vector(HalfedgeHandle _heh, Normal& _edge_vec) const
404 {
405 _edge_vec = calc_edge_vector(_heh);
406 }
407
411 {
412 return this->point(this->to_vertex_handle(_heh)) -
413 this->point(this->from_vertex_handle(_heh));
414 }
415
416 // Calculates the length of the edge _eh
418 { return calc_edge_length(this->halfedge_handle(_eh,0)); }
419
423 { return (Scalar)sqrt(calc_edge_sqr_length(_heh)); }
424
426 { return calc_edge_sqr_length(this->halfedge_handle(_eh,0)); }
427
429 {
430 Normal edge_vec;
431 calc_edge_vector(_heh, edge_vec);
432 return sqrnorm(edge_vec);
433 }
434
438 {
439 VertexHandle vh0 = this->from_vertex_handle(_heh);
440 VertexHandle vh1 = this->to_vertex_handle(_heh);
441 return 0.5 * (this->point(vh0) + this->point(vh1));
442 }
443
447 {
448 return calc_edge_midpoint(this->halfedge_handle(_eh, 0));
449 }
450
452 Normal calc_normal(EdgeHandle _eh) const;
453
458 void calc_sector_vectors(HalfedgeHandle _in_heh, Normal& _vec0, Normal& _vec1) const
459 {
460 calc_edge_vector(this->next_halfedge_handle(_in_heh), _vec0);//p2 - p1
461 calc_edge_vector(this->opposite_halfedge_handle(_in_heh), _vec1);//p0 - p1
462 }
463
470 {
471 Normal v0, v1;
472 calc_sector_vectors(_in_heh, v0, v1);
473 Scalar denom = norm(v0)*norm(v1);
474 if ( denom == Scalar(0))
475 {
476 return 0;
477 }
478 Scalar cos_a = dot(v0 , v1) / denom;
479 if (this->is_boundary(_in_heh))
480 {//determine if the boundary sector is concave or convex
481 FaceHandle fh(this->face_handle(this->opposite_halfedge_handle(_in_heh)));
482 Normal f_n(calc_face_normal(fh));//this normal is (for convex fh) OK
483 Scalar sign_a = dot(cross(v0, v1), f_n);
484 return angle(cos_a, sign_a);
485 }
486 else
487 {
488 return acos(sane_aarg(cos_a));
489 }
490 }
491
492 // calculate the cos and the sin of angle <(_in_heh,next_halfedge(_in_heh))
493 /*
494 void calc_sector_angle_cos_sin(HalfedgeHandle _in_heh, Scalar& _cos_a, Scalar& _sin_a) const
495 {
496 Normal in_vec, out_vec;
497 calc_edge_vector(_in_heh, in_vec);
498 calc_edge_vector(next_halfedge_handle(_in_heh), out_vec);
499 Scalar denom = norm(in_vec)*norm(out_vec);
500 if (is_zero(denom))
501 {
502 _cos_a = 1;
503 _sin_a = 0;
504 }
505 else
506 {
507 _cos_a = dot(in_vec, out_vec)/denom;
508 _sin_a = norm(cross(in_vec, out_vec))/denom;
509 }
510 }
511 */
514 void calc_sector_normal(HalfedgeHandle _in_heh, Normal& _sector_normal) const
515 {
516 Normal vec0, vec1;
517 calc_sector_vectors(_in_heh, vec0, vec1);
518 _sector_normal = cross(vec0, vec1);//(p2-p1)^(p0-p1)
519 }
520
525 {
526 Normal sector_normal;
527 calc_sector_normal(_in_heh, sector_normal);
528 return norm(sector_normal)/2;
529 }
530
534 {
535 // Make sure that we have face normals on the mesh
536 assert(Kernel::has_face_normals());
537
538 if (this->is_boundary(this->edge_handle(_heh)))
539 {//the dihedral angle at a boundary edge is 0
540 return 0;
541 }
542 const Normal& n0 = this->normal(this->face_handle(_heh));
543 const Normal& n1 = this->normal(this->face_handle(this->opposite_halfedge_handle(_heh)));
544 Normal he;
545 calc_edge_vector(_heh, he);
546 Scalar da_cos = dot(n0, n1);
547 //should be normalized, but we need only the sign
548 Scalar da_sin_sign = dot(cross(n0, n1), he);
549 return angle(da_cos, da_sin_sign);
550 }
551
555 { return calc_dihedral_angle_fast(this->halfedge_handle(_eh,0)); }
556
557 // calculates the dihedral angle on the halfedge _heh
559 {
560 if (this->is_boundary(this->edge_handle(_heh)))
561 {//the dihedral angle at a boundary edge is 0
562 return 0;
563 }
564 Normal n0, n1, he;
565 calc_sector_normal(_heh, n0);
566 calc_sector_normal(this->opposite_halfedge_handle(_heh), n1);
567 calc_edge_vector(_heh, he);
568 Scalar denom = norm(n0)*norm(n1);
569 if (denom == Scalar(0))
570 {
571 return 0;
572 }
573 Scalar da_cos = dot(n0, n1)/denom;
574 //should be normalized, but we need only the sign
575 Scalar da_sin_sign = dot(cross(n0, n1), he);
576 return angle(da_cos, da_sin_sign);
577 }
578
579 // calculates the dihedral angle on the edge _eh
581 { return calc_dihedral_angle(this->halfedge_handle(_eh,0)); }
582
585 unsigned int find_feature_edges(Scalar _angle_tresh = OpenMesh::deg_to_rad(44.0));
586 // --- misc ---
587
589 inline void split(FaceHandle _fh, const Point& _p)
590 { Kernel::split(_fh, add_vertex(_p)); }
591
592 inline void split(FaceHandle _fh, VertexHandle _vh)
593 { Kernel::split(_fh, _vh); }
594
595 inline void split(EdgeHandle _eh, const Point& _p)
596 { Kernel::split_edge(_eh, add_vertex(_p)); }
597
598 inline void split(EdgeHandle _eh, VertexHandle _vh)
599 { Kernel::split_edge(_eh, _vh); }
600
601private:
602 struct PointIs3DTag {};
603 struct PointIsNot3DTag {};
604 Normal calc_face_normal_impl(FaceHandle, PointIs3DTag) const;
605 Normal calc_face_normal_impl(FaceHandle, PointIsNot3DTag) const;
606 Normal calc_face_normal_impl(const Point&, const Point&, const Point&, PointIs3DTag) const;
607 Normal calc_face_normal_impl(const Point&, const Point&, const Point&, PointIsNot3DTag) const;
608};
609
635template<typename LHS, typename KERNEL>
637 return MeshCast<LHS, PolyMeshT<KERNEL>&>::cast(rhs);
638}
639
640template<typename LHS, typename KERNEL>
641LHS mesh_cast(PolyMeshT<KERNEL> *rhs) {
642 return MeshCast<LHS, PolyMeshT<KERNEL>*>::cast(rhs);
643}
644
645template<typename LHS, typename KERNEL>
646const LHS mesh_cast(const PolyMeshT<KERNEL> &rhs) {
647 return MeshCast<LHS, const PolyMeshT<KERNEL>&>::cast(rhs);
648}
649
650template<typename LHS, typename KERNEL>
651const LHS mesh_cast(const PolyMeshT<KERNEL> *rhs) {
652 return MeshCast<LHS, const PolyMeshT<KERNEL>*>::cast(rhs);
653}
654
655//=============================================================================
656} // namespace OpenMesh
657//=============================================================================
658#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_POLYMESH_C)
659# define OPENMESH_POLYMESH_TEMPLATES
660# include "PolyMeshT_impl.hh"
661#endif
662//=============================================================================
663#endif // OPENMESH_POLYMESHT_HH defined
664//=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
SmartVertexHandle make_smart(VertexHandle _vh, const PolyConnectivity *_mesh)
Creats a SmartVertexHandle from a VertexHandle and a Mesh.
Definition: SmartHandles.hh:265
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
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:140
LHS mesh_cast(PolyMeshT< KERNEL > &rhs)
Cast a mesh with different but identical traits into each other.
Definition: PolyMeshT.hh:636
T sane_aarg(T _aarg)
Trigonometry/angles - related.
Definition: MathDefs.hh:122
@ Normal
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:82
@ TexCoord2D
Add 2D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:87
@ TexCoord1D
Add 1D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:86
@ TexCoord3D
Add 3D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:88
@ Color
Add colors to mesh item (vertices/faces/edges)
Definition: Attributes.hh:83
Cast a mesh with different but identical traits into each other.
Definition: FinalMeshItemsT.hh:178
Handle for a vertex entity.
Definition: Handles.hh:121
Handle for a halfedge entity.
Definition: Handles.hh:128
Handle for a edge entity.
Definition: Handles.hh:135
Handle for a face entity.
Definition: Handles.hh:142
Handle type for meshes to simplify some template programming.
Definition: Handles.hh:149
Base type for a polygonal mesh.
Definition: PolyMeshT.hh:91
Kernel::Vertex Vertex
Vertex type.
Definition: PolyMeshT.hh:124
Kernel::FaceEdgeIter FaceEdgeIter
Circulator.
Definition: PolyMeshT.hh:169
void calc_face_centroid(FaceHandle _fh, Point &_pt) const
calculates the average of the vertices defining _fh
Definition: PolyMeshT.hh:282
Kernel::ConstFaceIter ConstFaceIter
Scalar type.
Definition: PolyMeshT.hh:151
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:136
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:110
Kernel::ConstVertexVertexIter ConstVertexVertexIter
Circulator.
Definition: PolyMeshT.hh:172
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:403
SmartVertexHandle new_vertex(const Point _p)
Adds a new vertex initialized to a custom position.
Definition: PolyMeshT.hh:210
Kernel::ConstFaceHalfedgeIter ConstFaceHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:178
Kernel::EdgeHandle EdgeHandle
Scalar type.
Definition: PolyMeshT.hh:138
Kernel::VertexFaceIter VertexFaceIter
Circulator.
Definition: PolyMeshT.hh:166
Kernel::ConstFaceVertexIter ConstFaceVertexIter
Circulator.
Definition: PolyMeshT.hh:177
Kernel::Halfedge Halfedge
Halfedge type.
Definition: PolyMeshT.hh:126
void calc_vertex_normal_fast(VertexHandle _vh, Normal &_n) const
Different methods for calculation of the normal at _vh:
Definition: PolyMeshT_impl.hh:497
void calc_vertex_normal_correct(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition: PolyMeshT_impl.hh:507
PolyMeshT()
Circulator.
Definition: PolyMeshT.hh:185
Scalar calc_dihedral_angle(EdgeHandle _eh) const
Compute normals for all primitives.
Definition: PolyMeshT.hh:580
static constexpr bool is_polymesh()
Determine whether this is a PolyMeshT or TriMeshT (This function does not check the per face vertex c...
Definition: PolyMeshT.hh:100
Kernel::FaceIter FaceIter
Scalar type.
Definition: PolyMeshT.hh:146
Kernel::Normal Normal
Normal type.
Definition: PolyMeshT.hh:114
Kernel::FaceVertexIter FaceVertexIter
Circulator.
Definition: PolyMeshT.hh:167
Point calc_edge_midpoint(EdgeHandle _eh) const
Calculates the midpoint of the edge _eh, defined by the positions of the two incident vertices.
Definition: PolyMeshT.hh:446
SmartVertexHandle new_vertex()
Uses default copy and assignment operator.
Definition: PolyMeshT.hh:201
Kernel::VertexIHalfedgeIter VertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:164
void split(FaceHandle _fh, VertexHandle _vh)
Compute normals for all primitives.
Definition: PolyMeshT.hh:592
PolyMeshT(const T &t)
Circulator.
Definition: PolyMeshT.hh:187
Kernel::TexCoord2D TexCoord2D
TexCoord2D type.
Definition: PolyMeshT.hh:120
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:524
void update_face_normals()
Update normal vectors for all faces.
Definition: PolyMeshT_impl.hh:335
void update_halfedge_normals(const double _feature_angle=0.8)
Update normal vectors for all halfedges.
Definition: PolyMeshT_impl.hh:350
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_impl.hh:74
virtual Normal calc_halfedge_normal(HalfedgeHandle _heh, const double _feature_angle=0.8) const
Calculate halfedge normal for one specific halfedge.
Definition: PolyMeshT_impl.hh:365
Scalar calc_sector_angle(HalfedgeHandle _in_heh) const
calculates the sector angle.
Definition: PolyMeshT.hh:469
Kernel::ConstFaceEdgeIter ConstFaceEdgeIter
Circulator.
Definition: PolyMeshT.hh:179
Kernel::TexCoord3D TexCoord3D
TexCoord3D type.
Definition: PolyMeshT.hh:122
void update_normals()
Compute normals for all primitives.
Definition: PolyMeshT_impl.hh:317
Kernel::ConstVertexFaceIter ConstVertexFaceIter
Circulator.
Definition: PolyMeshT.hh:176
Kernel::VertexOHalfedgeIter VertexOHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:163
Point calc_centroid(FaceHandle _fh) const
Computes and returns the average of the vertices defining _fh (same as calc_face_centroid)
Definition: PolyMeshT_impl.hh:267
Kernel::VertexEdgeIter VertexEdgeIter
Circulator.
Definition: PolyMeshT.hh:165
Scalar calc_dihedral_angle(HalfedgeHandle _heh) const
Compute normals for all primitives.
Definition: PolyMeshT.hh:558
Kernel::Face Face
Face type.
Definition: PolyMeshT.hh:130
Kernel::ConstVertexIHalfedgeIter ConstVertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:174
virtual Normal calc_face_normal(FaceHandle _fh) const
Calculate normal vector for face _fh.
Definition: PolyMeshT_impl.hh:97
Scalar calc_edge_length(EdgeHandle _eh) const
Compute normals for all primitives.
Definition: PolyMeshT.hh:417
Kernel::ConstHalfedgeIter ConstHalfedgeIter
Scalar type.
Definition: PolyMeshT.hh:149
void update_normal(VertexHandle _vh)
Update normal for vertex _vh.
Definition: PolyMeshT.hh:341
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:458
SmartVertexHandle add_vertex_dirty(const Point _p)
Alias for new_vertex_dirty().
Definition: PolyMeshT.hh:242
Kernel::FaceFaceIter FaceFaceIter
Circulator.
Definition: PolyMeshT.hh:170
bool is_estimated_feature_edge(HalfedgeHandle _heh, const double _feature_angle) const
identifies feature edges w.r.t.
Definition: PolyMeshT_impl.hh:452
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:396
virtual ~PolyMeshT()
Circulator.
Definition: PolyMeshT.hh:188
Kernel::ConstVertexEdgeIter ConstVertexEdgeIter
Circulator.
Definition: PolyMeshT.hh:175
Scalar calc_edge_sqr_length(HalfedgeHandle _heh) const
Compute normals for all primitives.
Definition: PolyMeshT.hh:428
SmartVertexHandle add_vertex(const Point _p)
Alias for new_vertex(const Point&).
Definition: PolyMeshT.hh:238
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:389
Kernel::Edge Edge
Edge type.
Definition: PolyMeshT.hh:128
Kernel::FaceHandle FaceHandle
Scalar type.
Definition: PolyMeshT.hh:139
void update_normal(FaceHandle _fh)
Update normal for face _fh.
Definition: PolyMeshT.hh:261
Scalar calc_dihedral_angle_fast(EdgeHandle _eh) const
calculates the dihedral angle on the edge _eh
Definition: PolyMeshT.hh:554
void calc_vertex_normal_loop(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition: PolyMeshT_impl.hh:538
void split(EdgeHandle _eh, const Point &_p)
Compute normals for all primitives.
Definition: PolyMeshT.hh:595
Kernel::HalfedgeHandle HalfedgeHandle
Scalar type.
Definition: PolyMeshT.hh:137
Kernel::EdgeIter EdgeIter
Scalar type.
Definition: PolyMeshT.hh:145
void update_normal(HalfedgeHandle _heh, const double _feature_angle=0.8)
Update normal for halfedge _heh.
Definition: PolyMeshT.hh:305
Kernel::ConstEdgeIter ConstEdgeIter
Scalar type.
Definition: PolyMeshT.hh:150
Kernel::ConstVertexIter ConstVertexIter
Scalar type.
Definition: PolyMeshT.hh:148
void update_vertex_normals()
Update normal vectors for all vertices.
Definition: PolyMeshT_impl.hh:572
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:514
Kernel::ConstVertexOHalfedgeIter ConstVertexOHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:173
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:410
Scalar calc_edge_sqr_length(EdgeHandle _eh) const
Compute normals for all primitives.
Definition: PolyMeshT.hh:425
Point calc_edge_midpoint(HalfedgeHandle _heh) const
Calculates the midpoint of the halfedge _heh, defined by the positions of the two incident vertices.
Definition: PolyMeshT.hh:437
Kernel::VertexVertexIter VertexVertexIter
Circulator.
Definition: PolyMeshT.hh:162
void split(EdgeHandle _eh, VertexHandle _vh)
Compute normals for all primitives.
Definition: PolyMeshT.hh:598
Kernel::HalfedgeIter HalfedgeIter
Scalar type.
Definition: PolyMeshT.hh:144
Scalar calc_edge_length(HalfedgeHandle _heh) const
Calculates the length of the edge _heh.
Definition: PolyMeshT.hh:422
Kernel::FaceHalfedgeIter FaceHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:168
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:112
PolyMeshT< Kernel > This
Self type. Used to specify iterators/circulators.
Definition: PolyMeshT.hh:95
Kernel::ConstFaceFaceIter ConstFaceFaceIter
Circulator.
Definition: PolyMeshT.hh:180
void split(FaceHandle _fh, const Point &_p)
Face split (= 1-to-n split)
Definition: PolyMeshT.hh:589
Kernel::Color Color
Color type.
Definition: PolyMeshT.hh:116
Kernel::TexCoord1D TexCoord1D
TexCoord1D type.
Definition: PolyMeshT.hh:118
Normal calc_normal(FaceHandle _fh) const
same as calc_face_normal
Definition: PolyMeshT_impl.hh:187
Kernel::VertexIter VertexIter
Scalar type.
Definition: PolyMeshT.hh:143
SmartVertexHandle 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
Scalar calc_dihedral_angle_fast(HalfedgeHandle _heh) const
calculates the dihedral angle on the halfedge _heh
Definition: PolyMeshT.hh:533
Normal calc_vertex_normal(VertexHandle _vh) const
Calculate vertex normal for one specific vertex.
Definition: PolyMeshT_impl.hh:483
Smart version of VertexHandle contains a pointer to the corresponding mesh and allows easier access t...
Definition: SmartHandles.hh:110

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