| 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
70 namespace OpenMesh {
71
72 //== CLASS DEFINITION =========================================================
73
74
89 template <class Kernel>
90 class PolyMeshT : public Kernel
91 {
92 public:
93
95 typedef PolyMeshT<Kernel> This;
96 //--- item types ---
97
99 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 typedef typename Kernel::Scalar Scalar;
112 typedef typename Kernel::Point Point;
114 typedef typename Kernel::Normal Normal;
116 typedef typename Kernel::Color Color;
118 typedef typename Kernel::TexCoord1D TexCoord1D;
120 typedef typename Kernel::TexCoord2D TexCoord2D;
122 typedef typename Kernel::TexCoord3D TexCoord3D;
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
161 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
185 PolyMeshT() {}
186 template<typename T>
187 explicit PolyMeshT(const T& t) : Kernel(t) {}
188 virtual ~PolyMeshT() {}
189
194 // --- creation ---
195
201 inline SmartVertexHandle new_vertex()
202 { return make_smart(Kernel::new_vertex(), this); }
203
209 inline SmartVertexHandle new_vertex(const Point& _p)
210 {
211 VertexHandle vh(Kernel::new_vertex());
212 this->set_point(vh, _p);
213 return make_smart(vh, this);
214 }
215
227 inline SmartVertexHandle new_vertex_dirty(const Point& _p)
228 {
229 VertexHandle vh(Kernel::new_vertex_dirty());
230 this->set_point(vh, _p);
231 return make_smart(vh, this);
232 }
233
235 inline SmartVertexHandle add_vertex(const Point& _p)
236 { return new_vertex(_p); }
237
239 inline SmartVertexHandle add_vertex_dirty(const Point& _p)
240 { return make_smart(new_vertex_dirty(_p), this); }
241
242 // --- normal vectors ---
243
247
255 void update_normals();
256
258 void update_normal(FaceHandle _fh)
259 { this->set_normal(_fh, calc_face_normal(_fh)); }
260
266 void update_face_normals();
267
269 virtual Normal calc_face_normal(FaceHandle _fh) const;
270
272 Normal calc_face_normal(const Point& _p0, const Point& _p1,
273 const Point& _p2) const;
274
276 Normal calc_normal(FaceHandle _fh) const;
277
279 void calc_face_centroid(FaceHandle _fh, Point& _pt) const {
280 _pt = calc_face_centroid(_fh);
281 }
282
284 Point calc_face_centroid(FaceHandle _fh) const;
285
287 Point calc_centroid(FaceHandle _fh) const;
288
290 Point calc_centroid(EdgeHandle _eh) const;
291
293 Point calc_centroid(HalfedgeHandle _heh) const;
294
296 Point calc_centroid(VertexHandle _vh) const;
297
299 Point calc_centroid(MeshHandle _mh) const;
300
302 void update_normal(HalfedgeHandle _heh, const double _feature_angle = 0.8)
303 { this->set_normal(_heh, calc_halfedge_normal(_heh,_feature_angle)); }
304
314 void update_halfedge_normals(const double _feature_angle = 0.8);
315
328 virtual Normal calc_halfedge_normal(HalfedgeHandle _heh, const double _feature_angle = 0.8) const;
329
331 Normal calc_normal(HalfedgeHandle, const double _feature_angle = 0.8) const;
332
335 bool is_estimated_feature_edge(HalfedgeHandle _heh, const double _feature_angle) const;
336
338 void update_normal(VertexHandle _vh)
339 { this->set_normal(_vh, calc_vertex_normal(_vh)); }
340
350 void update_vertex_normals();
351
364 Normal calc_vertex_normal(VertexHandle _vh) const;
365
373 void calc_vertex_normal_fast(VertexHandle _vh, Normal& _n) const;
374 void calc_vertex_normal_correct(VertexHandle _vh, Normal& _n) const;
375 void calc_vertex_normal_loop(VertexHandle _vh, Normal& _n) const;
376
378 Normal calc_normal(VertexHandle _vh) const;
379
381
382 // --- Geometry API - still in development ---
383
386 void calc_edge_vector(EdgeHandle _eh, Normal& _edge_vec) const
387 {
388 _edge_vec = calc_edge_vector(_eh);
389 }
390
393 Normal calc_edge_vector(EdgeHandle _eh) const
394 {
395 return calc_edge_vector(this->halfedge_handle(_eh,0));
396 }
397
400 void calc_edge_vector(HalfedgeHandle _heh, Normal& _edge_vec) const
401 {
402 _edge_vec = calc_edge_vector(_heh);
403 }
404
407 Normal calc_edge_vector(HalfedgeHandle _heh) const
408 {
409 return this->point(this->to_vertex_handle(_heh)) -
410 this->point(this->from_vertex_handle(_heh));
411 }
412
413 // Calculates the length of the edge _eh
414 Scalar calc_edge_length(EdgeHandle _eh) const
415 { return calc_edge_length(this->halfedge_handle(_eh,0)); }
416
419 Scalar calc_edge_length(HalfedgeHandle _heh) const
420 { return (Scalar)sqrt(calc_edge_sqr_length(_heh)); }
421
422 Scalar calc_edge_sqr_length(EdgeHandle _eh) const
423 { return calc_edge_sqr_length(this->halfedge_handle(_eh,0)); }
424
425 Scalar calc_edge_sqr_length(HalfedgeHandle _heh) const
426 {
427 Normal edge_vec;
428 calc_edge_vector(_heh, edge_vec);
429 return sqrnorm(edge_vec);
430 }
431
434 Point calc_edge_midpoint(HalfedgeHandle _heh) const
435 {
436 VertexHandle vh0 = this->from_vertex_handle(_heh);
437 VertexHandle vh1 = this->to_vertex_handle(_heh);
438 return 0.5 * (this->point(vh0) + this->point(vh1));
439 }
440
443 Point calc_edge_midpoint(EdgeHandle _eh) const
444 {
445 return calc_edge_midpoint(this->halfedge_handle(_eh, 0));
446 }
447
449 Normal calc_normal(EdgeHandle _eh) const
450 {
451 HalfedgeHandle _heh = this->halfedge_handle(_eh, 0);
452 VertexHandle vh0 = this->from_vertex_handle(_heh);
453 VertexHandle vh1 = this->to_vertex_handle(_heh);
454 return 0.5 * (this->calc_normal(vh0) + this->calc_normal(vh1));
455 }
456
461 void calc_sector_vectors(HalfedgeHandle _in_heh, Normal& _vec0, Normal& _vec1) const
462 {
463 calc_edge_vector(this->next_halfedge_handle(_in_heh), _vec0);//p2 - p1
464 calc_edge_vector(this->opposite_halfedge_handle(_in_heh), _vec1);//p0 - p1
465 }
466
472 Scalar calc_sector_angle(HalfedgeHandle _in_heh) const
473 {
474 Normal v0, v1;
475 calc_sector_vectors(_in_heh, v0, v1);
476 Scalar denom = norm(v0)*norm(v1);
477 if ( denom == Scalar(0))
478 {
479 return 0;
480 }
481 Scalar cos_a = dot(v0 , v1) / denom;
482 if (this->is_boundary(_in_heh))
483 {//determine if the boundary sector is concave or convex
484 FaceHandle fh(this->face_handle(this->opposite_halfedge_handle(_in_heh)));
485 Normal f_n(calc_face_normal(fh));//this normal is (for convex fh) OK
486 Scalar sign_a = dot(cross(v0, v1), f_n);
487 return angle(cos_a, sign_a);
488 }
489 else
490 {
491 return acos(sane_aarg(cos_a));
492 }
493 }
494
495 // calculate the cos and the sin of angle <(_in_heh,next_halfedge(_in_heh))
496 /*
497 void calc_sector_angle_cos_sin(HalfedgeHandle _in_heh, Scalar& _cos_a, Scalar& _sin_a) const
498 {
499 Normal in_vec, out_vec;
500 calc_edge_vector(_in_heh, in_vec);
501 calc_edge_vector(next_halfedge_handle(_in_heh), out_vec);
502 Scalar denom = norm(in_vec)*norm(out_vec);
503 if (is_zero(denom))
504 {
505 _cos_a = 1;
506 _sin_a = 0;
507 }
508 else
509 {
510 _cos_a = dot(in_vec, out_vec)/denom;
511 _sin_a = norm(cross(in_vec, out_vec))/denom;
512 }
513 }
514 */
517 void calc_sector_normal(HalfedgeHandle _in_heh, Normal& _sector_normal) const
518 {
519 Normal vec0, vec1;
520 calc_sector_vectors(_in_heh, vec0, vec1);
521 _sector_normal = cross(vec0, vec1);//(p2-p1)^(p0-p1)
522 }
523
527 Scalar calc_sector_area(HalfedgeHandle _in_heh) const
528 {
529 Normal sector_normal;
530 calc_sector_normal(_in_heh, sector_normal);
531 return norm(sector_normal)/2;
532 }
533
536 Scalar calc_dihedral_angle_fast(HalfedgeHandle _heh) const
537 {
538 // Make sure that we have face normals on the mesh
539 assert(Kernel::has_face_normals());
540
541 if (this->is_boundary(this->edge_handle(_heh)))
542 {//the dihedral angle at a boundary edge is 0
543 return 0;
544 }
545 const Normal& n0 = this->normal(this->face_handle(_heh));
546 const Normal& n1 = this->normal(this->face_handle(this->opposite_halfedge_handle(_heh)));
547 Normal he;
548 calc_edge_vector(_heh, he);
549 Scalar da_cos = dot(n0, n1);
550 //should be normalized, but we need only the sign
551 Scalar da_sin_sign = dot(cross(n0, n1), he);
552 return angle(da_cos, da_sin_sign);
553 }
554
557 Scalar calc_dihedral_angle_fast(EdgeHandle _eh) const
558 { return calc_dihedral_angle_fast(this->halfedge_handle(_eh,0)); }
559
560 // calculates the dihedral angle on the halfedge _heh
561 Scalar calc_dihedral_angle(HalfedgeHandle _heh) const
562 {
563 if (this->is_boundary(this->edge_handle(_heh)))
564 {//the dihedral angle at a boundary edge is 0
565 return 0;
566 }
567 Normal n0, n1, he;
568 calc_sector_normal(_heh, n0);
569 calc_sector_normal(this->opposite_halfedge_handle(_heh), n1);
570 calc_edge_vector(_heh, he);
571 Scalar denom = norm(n0)*norm(n1);
572 if (denom == Scalar(0))
573 {
574 return 0;
575 }
576 Scalar da_cos = dot(n0, n1)/denom;
577 //should be normalized, but we need only the sign
578 Scalar da_sin_sign = dot(cross(n0, n1), he);
579 return angle(da_cos, da_sin_sign);
580 }
581
582 // calculates the dihedral angle on the edge _eh
583 Scalar calc_dihedral_angle(EdgeHandle _eh) const
584 { return calc_dihedral_angle(this->halfedge_handle(_eh,0)); }
585
588 unsigned int find_feature_edges(Scalar _angle_tresh = OpenMesh::deg_to_rad(44.0));
589 // --- misc ---
590
592 inline void split(FaceHandle _fh, const Point& _p)
593 { Kernel::split(_fh, add_vertex(_p)); }
594
595 inline void split(FaceHandle _fh, VertexHandle _vh)
596 { Kernel::split(_fh, _vh); }
597
598 inline void split(EdgeHandle _eh, const Point& _p)
599 { Kernel::split_edge(_eh, add_vertex(_p)); }
600
601 inline void split(EdgeHandle _eh, VertexHandle _vh)
602 { Kernel::split_edge(_eh, _vh); }
603
604 private:
605 struct PointIs3DTag {};
606 struct PointIsNot3DTag {};
607 Normal calc_face_normal_impl(FaceHandle, PointIs3DTag) const;
608 Normal calc_face_normal_impl(FaceHandle, PointIsNot3DTag) const;
609 Normal calc_face_normal_impl(const Point&, const Point&, const Point&, PointIs3DTag) const;
610 Normal calc_face_normal_impl(const Point&, const Point&, const Point&, PointIsNot3DTag) const;
611 };
612
638 template<typename LHS, typename KERNEL>
639 LHS mesh_cast(PolyMeshT<KERNEL> &rhs) {
640 return MeshCast<LHS, PolyMeshT<KERNEL>&>::cast(rhs);
641 }
642
643 template<typename LHS, typename KERNEL>
644 LHS mesh_cast(PolyMeshT<KERNEL> *rhs) {
645 return MeshCast<LHS, PolyMeshT<KERNEL>*>::cast(rhs);
646 }
647
648 template<typename LHS, typename KERNEL>
649 const LHS mesh_cast(const PolyMeshT<KERNEL> &rhs) {
650 return MeshCast<LHS, const PolyMeshT<KERNEL>&>::cast(rhs);
651 }
652
653 template<typename LHS, typename KERNEL>
654 const LHS mesh_cast(const PolyMeshT<KERNEL> *rhs) {
655 return MeshCast<LHS, const PolyMeshT<KERNEL>*>::cast(rhs);
656 }
657
658 //=============================================================================
659 } // namespace OpenMesh
660 //=============================================================================
661 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_POLYMESH_C)
662 # define OPENMESH_POLYMESH_TEMPLATES
663 # include "PolyMeshT_impl.hh"
664 #endif
665 //=============================================================================
666 #endif // OPENMESH_POLYMESHT_HH defined
667 //=============================================================================
OpenMesh::PolyMeshT::calc_face_normal
virtual Normal calc_face_normal(FaceHandle _fh) const
Calculate normal vector for face _fh.
Definition: PolyMeshT_impl.hh:97
OpenMesh::PolyMeshT::Face
Kernel::Face Face
Face type.
Definition: PolyMeshT.hh:130
OpenMesh::PolyMeshT::calc_sector_angle
Scalar calc_sector_angle(HalfedgeHandle _in_heh) const
calculates the sector angle.
Definition: PolyMeshT.hh:472
OpenMesh::PolyMeshT::is_estimated_feature_edge
bool is_estimated_feature_edge(HalfedgeHandle _heh, const double _feature_angle) const
identifies feature edges w.r.t.
Definition: PolyMeshT_impl.hh:430
OpenMesh::PolyMeshT::Scalar
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:110
OpenMesh::PolyMeshT::calc_dihedral_angle_fast
Scalar calc_dihedral_angle_fast(HalfedgeHandle _heh) const
calculates the dihedral angle on the halfedge _heh
Definition: PolyMeshT.hh:536
OpenMesh::PolyMeshT::ConstVertexEdgeIter
Kernel::ConstVertexEdgeIter ConstVertexEdgeIter
Circulator.
Definition: PolyMeshT.hh:175
OpenMesh::PolyMeshT::update_vertex_normals
void update_vertex_normals()
Update normal vectors for all vertices.
Definition: PolyMeshT_impl.hh:550
OpenMesh::PolyMeshT::update_halfedge_normals
void update_halfedge_normals(const double _feature_angle=0.8)
Update normal vectors for all halfedges.
Definition: PolyMeshT_impl.hh:350
OpenMesh::PolyMeshT::calc_dihedral_angle_fast
Scalar calc_dihedral_angle_fast(EdgeHandle _eh) const
calculates the dihedral angle on the edge _eh
Definition: PolyMeshT.hh:557
OpenMesh::PolyMeshT::new_vertex
SmartVertexHandle new_vertex()
Uses default copy and assignment operator.
Definition: PolyMeshT.hh:201
OpenMesh::PolyMeshT::calc_edge_length
Scalar calc_edge_length(HalfedgeHandle _heh) const
Calculates the length of the edge _heh.
Definition: PolyMeshT.hh:419
OpenMesh::PolyMeshT::Halfedge
Kernel::Halfedge Halfedge
Halfedge type.
Definition: PolyMeshT.hh:126
OpenMesh::PolyMeshT::calc_centroid
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
OpenMesh::PolyMeshT::VertexIHalfedgeIter
Kernel::VertexIHalfedgeIter VertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:164
OpenMesh::PolyMeshT::calc_vertex_normal_loop
void calc_vertex_normal_loop(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition: PolyMeshT_impl.hh:516
OpenMesh::PolyMeshT::TexCoord2D
Kernel::TexCoord2D TexCoord2D
TexCoord2D type.
Definition: PolyMeshT.hh:120
OpenMesh::PolyMeshT::ConstFaceVertexIter
Kernel::ConstFaceVertexIter ConstFaceVertexIter
Circulator.
Definition: PolyMeshT.hh:177
OpenMesh::PolyMeshT::calc_sector_area
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:527
OpenMesh::sane_aarg
T sane_aarg(T _aarg)
Trigonometry/angles - related.
Definition: MathDefs.hh:122
OpenMesh::Attributes::TexCoord1D
Add 1D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:86
OpenMesh::PolyMeshT::split
void split(FaceHandle _fh, const Point &_p)
Face split (= 1-to-n split)
Definition: PolyMeshT.hh:592
OpenMesh::PolyMeshT::VertexOHalfedgeIter
Kernel::VertexOHalfedgeIter VertexOHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:163
OpenMesh::PolyMeshT::Edge
Kernel::Edge Edge
Edge type.
Definition: PolyMeshT.hh:128
OpenMesh::PolyMeshT::update_normal
void update_normal(VertexHandle _vh)
Update normal for vertex _vh.
Definition: PolyMeshT.hh:338
OpenMesh::PolyMeshT::calc_halfedge_normal
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
OpenMesh::PolyMeshT::calc_edge_vector
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:407
OpenMesh::PolyMeshT::VertexFaceIter
Kernel::VertexFaceIter VertexFaceIter
Circulator.
Definition: PolyMeshT.hh:166
OpenMesh::PolyMeshT::calc_edge_vector
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:386
OpenMesh::PolyMeshT::ConstFaceHalfedgeIter
Kernel::ConstFaceHalfedgeIter ConstFaceHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:178
OpenMesh::PolyMeshT::TexCoord1D
Kernel::TexCoord1D TexCoord1D
TexCoord1D type.
Definition: PolyMeshT.hh:118
OpenMesh::PolyMeshT::VertexVertexIter
Kernel::VertexVertexIter VertexVertexIter
Circulator.
Definition: PolyMeshT.hh:162
OpenMesh::Attributes::TexCoord3D
Add 3D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:88
OpenMesh::dot
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
OpenMesh::PolyMeshT::ConstVertexOHalfedgeIter
Kernel::ConstVertexOHalfedgeIter ConstVertexOHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:173
OpenMesh::PolyMeshT::calc_normal
Normal calc_normal(FaceHandle _fh) const
same as calc_face_normal
Definition: PolyMeshT_impl.hh:187
OpenMesh::PolyMeshT::Vertex
Kernel::Vertex Vertex
Vertex type.
Definition: PolyMeshT.hh:124
OpenMesh::angle
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
OpenMesh::PolyMeshT::calc_vertex_normal_correct
void calc_vertex_normal_correct(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition: PolyMeshT_impl.hh:485
OpenMesh::PolyMeshT::new_vertex
SmartVertexHandle new_vertex(const Point &_p)
Adds a new vertex initialized to a custom position.
Definition: PolyMeshT.hh:209
OpenMesh::PolyMeshT::update_normals
void update_normals()
Compute normals for all primitives.
Definition: PolyMeshT_impl.hh:317
OpenMesh::PolyMeshT::is_polymesh
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
OpenMesh::PolyMeshT::Normal
Kernel::Normal Normal
Normal type.
Definition: PolyMeshT.hh:114
OpenMesh::PolyMeshT::TexCoord3D
Kernel::TexCoord3D TexCoord3D
TexCoord3D type.
Definition: PolyMeshT.hh:122
OpenMesh::PolyMeshT::calc_sector_vectors
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:461
OpenMesh::PolyMeshT::ConstVertexFaceIter
Kernel::ConstVertexFaceIter ConstVertexFaceIter
Circulator.
Definition: PolyMeshT.hh:176
OpenMesh::PolyMeshT::ConstFaceEdgeIter
Kernel::ConstFaceEdgeIter ConstFaceEdgeIter
Circulator.
Definition: PolyMeshT.hh:179
OpenMesh::MeshCast
Cast a mesh with different but identical traits into each other.
Definition: FinalMeshItemsT.hh:178
OpenMesh::Attributes::TexCoord2D
Add 2D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:87
OpenMesh::PolyConnectivityTag
Connectivity tag indicating that the tagged mesh has polygon connectivity.
Definition: Tags.hh:47
OpenMesh::PolyMeshT::FaceHalfedgeIter
Kernel::FaceHalfedgeIter FaceHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:168
OpenMesh::PolyMeshT::update_normal
void update_normal(FaceHandle _fh)
Update normal for face _fh.
Definition: PolyMeshT.hh:258
OpenMesh::PolyMeshT::calc_vertex_normal
Normal calc_vertex_normal(VertexHandle _vh) const
Calculate vertex normal for one specific vertex.
Definition: PolyMeshT_impl.hh:461
OpenMesh::PolyMeshT::calc_edge_midpoint
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:443
OpenMesh::PolyMeshT::calc_face_centroid
void calc_face_centroid(FaceHandle _fh, Point &_pt) const
calculates the average of the vertices defining _fh
Definition: PolyMeshT.hh:279
OpenMesh::PolyMeshT::FaceVertexIter
Kernel::FaceVertexIter FaceVertexIter
Circulator.
Definition: PolyMeshT.hh:167
OpenMesh::PolyMeshT::ConstVertexVertexIter
Kernel::ConstVertexVertexIter ConstVertexVertexIter
Circulator.
Definition: PolyMeshT.hh:172
OpenMesh::PolyMeshT::add_vertex
SmartVertexHandle add_vertex(const Point &_p)
Alias for new_vertex(const Point&).
Definition: PolyMeshT.hh:235
OpenMesh::PolyMeshT::FaceEdgeIter
Kernel::FaceEdgeIter FaceEdgeIter
Circulator.
Definition: PolyMeshT.hh:169
OpenMesh::PolyMeshT::calc_sector_normal
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,next_halfedge(_in_heh))
Definition: PolyMeshT.hh:517
OpenMesh::PolyMeshT::update_face_normals
void update_face_normals()
Update normal vectors for all faces.
Definition: PolyMeshT_impl.hh:335
OpenMesh::PolyMeshT::calc_edge_midpoint
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:434
OpenMesh::PolyMeshT::find_feature_edges
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
OpenMesh::PolyMeshT::calc_edge_vector
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:400
OpenMesh::PolyMeshT::calc_normal
Normal calc_normal(EdgeHandle _eh) const
calculated and returns the average of the two vertex normals
Definition: PolyMeshT.hh:449
OpenMesh::SmartVertexHandle
Smart version of VertexHandle contains a pointer to the corresponding mesh and allows easier access t...
Definition: SmartHandles.hh:84
OpenMesh::PolyMeshT::is_trimesh
static constexpr bool is_trimesh()
Determine whether this is a PolyMeshT or TriMeshT (This function does not check the per face vertex c...
Definition: PolyMeshT.hh:101
OpenMesh::cross
osg::Vec3f cross(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:191
OpenMesh::mesh_cast
LHS mesh_cast(PolyMeshT< KERNEL > &rhs)
Cast a mesh with different but identical traits into each other.
Definition: PolyMeshT.hh:639
OpenMesh::PolyMeshT::calc_vertex_normal_fast
void calc_vertex_normal_fast(VertexHandle _vh, Normal &_n) const
Different methods for calculation of the normal at _vh:
Definition: PolyMeshT_impl.hh:475
OpenMesh::make_smart
SmartVertexHandle make_smart(VertexHandle _vh, const PolyConnectivity *_mesh)
Creats a SmartVertexHandle from a VertexHandle and a Mesh.
Definition: SmartHandles.hh:186
OpenMesh::PolyMeshT::new_vertex_dirty
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:227
OpenMesh::Attributes::Color
Add colors to mesh item (vertices/faces/edges)
Definition: Attributes.hh:83
OpenMesh::PolyMeshT::FaceFaceIter
Kernel::FaceFaceIter FaceFaceIter
Circulator.
Definition: PolyMeshT.hh:170
OpenMesh::PolyMeshT::add_vertex_dirty
SmartVertexHandle add_vertex_dirty(const Point &_p)
Alias for new_vertex_dirty().
Definition: PolyMeshT.hh:239
OpenMesh::PolyMeshT::ConstFaceFaceIter
Kernel::ConstFaceFaceIter ConstFaceFaceIter
Circulator.
Definition: PolyMeshT.hh:180
OpenMesh::PolyMeshT::update_normal
void update_normal(HalfedgeHandle _heh, const double _feature_angle=0.8)
Update normal for halfedge _heh.
Definition: PolyMeshT.hh:302
OpenMesh::PolyMeshT::VertexEdgeIter
Kernel::VertexEdgeIter VertexEdgeIter
Circulator.
Definition: PolyMeshT.hh:165
OpenMesh::MeshHandle
Handle type for meshes to simplify some template programming.
Definition: Handles.hh:148
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:112
OpenMesh::PolyMeshT::ConstVertexIHalfedgeIter
Kernel::ConstVertexIHalfedgeIter ConstVertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:174
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:136
OpenMesh::Attributes::Normal
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:82
OpenMesh::PolyMeshT::calc_edge_vector
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:393
OpenMesh::PolyMeshT
Base type for a polygonal mesh.
Definition: PolyMeshT.hh:90
OpenMesh::PolyMeshT::Color
Kernel::Color Color
Color type.
Definition: PolyMeshT.hh:116
OpenMesh::PolyMeshT::This
PolyMeshT< Kernel > This
Self type. Used to specify iterators/circulators.
Definition: PolyMeshT.hh:95