PolyMeshT.hh
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//=============================================================================
//
// CLASS PolyMeshT
//
//=============================================================================
#ifndef OPENMESH_POLYMESHT_HH
#define OPENMESH_POLYMESHT_HH
//== INCLUDES =================================================================
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Geometry/MathDefs.hh>
#include <OpenMesh/Core/Mesh/PolyConnectivity.hh>
#include <OpenMesh/Core/Mesh/FinalMeshItemsT.hh>
#include <vector>
//== NAMESPACES ===============================================================
namespace OpenMesh {
//== CLASS DEFINITION =========================================================
template <class Kernel>
class PolyMeshT : public Kernel
{
public:
typedef PolyMeshT<Kernel> This;
//--- item types ---
enum { IsPolyMesh = 1 };
enum { IsTriMesh = 0 };
static bool is_polymesh() { return true; }
static bool is_trimesh() { return false; }
typedef typename Kernel::Scalar Scalar;
typedef typename Kernel::Point Point;
typedef typename Kernel::Normal Normal;
typedef typename Kernel::Color Color;
typedef typename Kernel::TexCoord1D TexCoord1D;
typedef typename Kernel::TexCoord2D TexCoord2D;
typedef typename Kernel::TexCoord3D TexCoord3D;
typedef typename Kernel::Vertex Vertex;
typedef typename Kernel::Halfedge Halfedge;
typedef typename Kernel::Edge Edge;
typedef typename Kernel::Face Face;
//--- handle types ---
typedef typename Kernel::VertexHandle VertexHandle;
typedef typename Kernel::HalfedgeHandle HalfedgeHandle;
typedef typename Kernel::EdgeHandle EdgeHandle;
typedef typename Kernel::FaceHandle FaceHandle;
typedef typename Kernel::VertexIter VertexIter;
typedef typename Kernel::HalfedgeIter HalfedgeIter;
typedef typename Kernel::EdgeIter EdgeIter;
typedef typename Kernel::FaceIter FaceIter;
typedef typename Kernel::ConstVertexIter ConstVertexIter;
typedef typename Kernel::ConstHalfedgeIter ConstHalfedgeIter;
typedef typename Kernel::ConstEdgeIter ConstEdgeIter;
typedef typename Kernel::ConstFaceIter ConstFaceIter;
//--- circulators ---
typedef typename Kernel::VertexVertexIter VertexVertexIter;
typedef typename Kernel::VertexOHalfedgeIter VertexOHalfedgeIter;
typedef typename Kernel::VertexIHalfedgeIter VertexIHalfedgeIter;
typedef typename Kernel::VertexEdgeIter VertexEdgeIter;
typedef typename Kernel::VertexFaceIter VertexFaceIter;
typedef typename Kernel::FaceVertexIter FaceVertexIter;
typedef typename Kernel::FaceHalfedgeIter FaceHalfedgeIter;
typedef typename Kernel::FaceEdgeIter FaceEdgeIter;
typedef typename Kernel::FaceFaceIter FaceFaceIter;
typedef typename Kernel::ConstVertexVertexIter ConstVertexVertexIter;
typedef typename Kernel::ConstVertexOHalfedgeIter ConstVertexOHalfedgeIter;
typedef typename Kernel::ConstVertexIHalfedgeIter ConstVertexIHalfedgeIter;
typedef typename Kernel::ConstVertexEdgeIter ConstVertexEdgeIter;
typedef typename Kernel::ConstVertexFaceIter ConstVertexFaceIter;
typedef typename Kernel::ConstFaceVertexIter ConstFaceVertexIter;
typedef typename Kernel::ConstFaceHalfedgeIter ConstFaceHalfedgeIter;
typedef typename Kernel::ConstFaceEdgeIter ConstFaceEdgeIter;
typedef typename Kernel::ConstFaceFaceIter ConstFaceFaceIter;
// --- constructor/destructor
PolyMeshT() {}
template<typename T>
explicit PolyMeshT(const T& t) : Kernel(t) {}
virtual ~PolyMeshT() {}
// --- creation ---
inline VertexHandle new_vertex()
{ return Kernel::new_vertex(); }
inline VertexHandle new_vertex(const Point& _p)
{
VertexHandle vh(Kernel::new_vertex());
this->set_point(vh, _p);
return vh;
}
inline VertexHandle new_vertex_dirty(const Point& _p)
{
VertexHandle vh(Kernel::new_vertex_dirty());
this->set_point(vh, _p);
return vh;
}
inline VertexHandle add_vertex(const Point& _p)
{ return new_vertex(_p); }
inline VertexHandle add_vertex_dirty(const Point& _p)
{ return new_vertex_dirty(_p); }
// --- normal vectors ---
void update_normals();
void update_normal(FaceHandle _fh)
{ this->set_normal(_fh, calc_face_normal(_fh)); }
void update_face_normals();
virtual Normal calc_face_normal(FaceHandle _fh) const;
Normal calc_face_normal(const Point& _p0, const Point& _p1,
const Point& _p2) const;
void calc_face_centroid(FaceHandle _fh, Point& _pt) const {
_pt = calc_face_centroid(_fh);
}
Point calc_face_centroid(FaceHandle _fh) const;
void update_normal(HalfedgeHandle _heh, const double _feature_angle = 0.8)
{ this->set_normal(_heh, calc_halfedge_normal(_heh,_feature_angle)); }
void update_halfedge_normals(const double _feature_angle = 0.8);
virtual Normal calc_halfedge_normal(HalfedgeHandle _heh, const double _feature_angle = 0.8) const;
bool is_estimated_feature_edge(HalfedgeHandle _heh, const double _feature_angle) const;
void update_normal(VertexHandle _vh)
{ this->set_normal(_vh, calc_vertex_normal(_vh)); }
void update_vertex_normals();
Normal calc_vertex_normal(VertexHandle _vh) const;
void calc_vertex_normal_fast(VertexHandle _vh, Normal& _n) const;
void calc_vertex_normal_correct(VertexHandle _vh, Normal& _n) const;
void calc_vertex_normal_loop(VertexHandle _vh, Normal& _n) const;
// --- Geometry API - still in development ---
void calc_edge_vector(EdgeHandle _eh, Normal& _edge_vec) const
{
_edge_vec = calc_edge_vector(_eh);
}
Normal calc_edge_vector(EdgeHandle _eh) const
{
return calc_edge_vector(this->halfedge_handle(_eh,0));
}
void calc_edge_vector(HalfedgeHandle _heh, Normal& _edge_vec) const
{
_edge_vec = calc_edge_vector(_heh);
}
Normal calc_edge_vector(HalfedgeHandle _heh) const
{
return this->point(this->to_vertex_handle(_heh)) -
this->point(this->from_vertex_handle(_heh));
}
// Calculates the length of the edge _eh
Scalar calc_edge_length(EdgeHandle _eh) const
{ return calc_edge_length(this->halfedge_handle(_eh,0)); }
Scalar calc_edge_length(HalfedgeHandle _heh) const
{ return (Scalar)sqrt(calc_edge_sqr_length(_heh)); }
Scalar calc_edge_sqr_length(EdgeHandle _eh) const
{ return calc_edge_sqr_length(this->halfedge_handle(_eh,0)); }
Scalar calc_edge_sqr_length(HalfedgeHandle _heh) const
{
Normal edge_vec;
calc_edge_vector(_heh, edge_vec);
return sqrnorm(edge_vec);
}
Point calc_edge_midpoint(HalfedgeHandle _heh) const
{
VertexHandle vh0 = this->from_vertex_handle(_heh);
VertexHandle vh1 = this->to_vertex_handle(_heh);
return 0.5 * (this->point(vh0) + this->point(vh1));
}
Point calc_edge_midpoint(EdgeHandle _eh) const
{
return calc_edge_midpoint(this->halfedge_handle(_eh, 0));
}
void calc_sector_vectors(HalfedgeHandle _in_heh, Normal& _vec0, Normal& _vec1) const
{
calc_edge_vector(this->next_halfedge_handle(_in_heh), _vec0);//p2 - p1
calc_edge_vector(this->opposite_halfedge_handle(_in_heh), _vec1);//p0 - p1
}
Scalar calc_sector_angle(HalfedgeHandle _in_heh) const
{
Normal v0, v1;
calc_sector_vectors(_in_heh, v0, v1);
Scalar denom = norm(v0)*norm(v1);
if ( denom == Scalar(0))
{
return 0;
}
Scalar cos_a = dot(v0 , v1) / denom;
if (this->is_boundary(_in_heh))
{//determine if the boundary sector is concave or convex
FaceHandle fh(this->face_handle(this->opposite_halfedge_handle(_in_heh)));
Normal f_n(calc_face_normal(fh));//this normal is (for convex fh) OK
Scalar sign_a = dot(cross(v0, v1), f_n);
return angle(cos_a, sign_a);
}
else
{
return acos(sane_aarg(cos_a));
}
}
// calculate the cos and the sin of angle <(_in_heh,next_halfedge(_in_heh))
/*
void calc_sector_angle_cos_sin(HalfedgeHandle _in_heh, Scalar& _cos_a, Scalar& _sin_a) const
{
Normal in_vec, out_vec;
calc_edge_vector(_in_heh, in_vec);
calc_edge_vector(next_halfedge_handle(_in_heh), out_vec);
Scalar denom = norm(in_vec)*norm(out_vec);
if (is_zero(denom))
{
_cos_a = 1;
_sin_a = 0;
}
else
{
_cos_a = dot(in_vec, out_vec)/denom;
_sin_a = norm(cross(in_vec, out_vec))/denom;
}
}
*/
void calc_sector_normal(HalfedgeHandle _in_heh, Normal& _sector_normal) const
{
Normal vec0, vec1;
calc_sector_vectors(_in_heh, vec0, vec1);
_sector_normal = cross(vec0, vec1);//(p2-p1)^(p0-p1)
}
Scalar calc_sector_area(HalfedgeHandle _in_heh) const
{
Normal sector_normal;
calc_sector_normal(_in_heh, sector_normal);
return norm(sector_normal)/2;
}
Scalar calc_dihedral_angle_fast(HalfedgeHandle _heh) const
{
// Make sure that we have face normals on the mesh
assert(Kernel::has_face_normals());
if (this->is_boundary(this->edge_handle(_heh)))
{//the dihedral angle at a boundary edge is 0
return 0;
}
const Normal& n0 = this->normal(this->face_handle(_heh));
const Normal& n1 = this->normal(this->face_handle(this->opposite_halfedge_handle(_heh)));
Normal he;
calc_edge_vector(_heh, he);
Scalar da_cos = dot(n0, n1);
//should be normalized, but we need only the sign
Scalar da_sin_sign = dot(cross(n0, n1), he);
return angle(da_cos, da_sin_sign);
}
Scalar calc_dihedral_angle_fast(EdgeHandle _eh) const
{ return calc_dihedral_angle_fast(this->halfedge_handle(_eh,0)); }
// calculates the dihedral angle on the halfedge _heh
Scalar calc_dihedral_angle(HalfedgeHandle _heh) const
{
if (this->is_boundary(this->edge_handle(_heh)))
{//the dihedral angle at a boundary edge is 0
return 0;
}
Normal n0, n1, he;
calc_sector_normal(_heh, n0);
calc_sector_normal(this->opposite_halfedge_handle(_heh), n1);
calc_edge_vector(_heh, he);
Scalar denom = norm(n0)*norm(n1);
if (denom == Scalar(0))
{
return 0;
}
Scalar da_cos = dot(n0, n1)/denom;
//should be normalized, but we need only the sign
Scalar da_sin_sign = dot(cross(n0, n1), he);
return angle(da_cos, da_sin_sign);
}
// calculates the dihedral angle on the edge _eh
Scalar calc_dihedral_angle(EdgeHandle _eh) const
{ return calc_dihedral_angle(this->halfedge_handle(_eh,0)); }
unsigned int find_feature_edges(Scalar _angle_tresh = OpenMesh::deg_to_rad(44.0));
// --- misc ---
inline void split(FaceHandle _fh, const Point& _p)
{ Kernel::split(_fh, add_vertex(_p)); }
inline void split(FaceHandle _fh, VertexHandle _vh)
{ Kernel::split(_fh, _vh); }
inline void split(EdgeHandle _eh, const Point& _p)
{ Kernel::split_edge(_eh, add_vertex(_p)); }
inline void split(EdgeHandle _eh, VertexHandle _vh)
{ Kernel::split_edge(_eh, _vh); }
private:
struct PointIs3DTag {};
struct PointIsNot3DTag {};
Normal calc_face_normal_impl(FaceHandle, PointIs3DTag) const;
Normal calc_face_normal_impl(FaceHandle, PointIsNot3DTag) const;
Normal calc_face_normal_impl(const Point&, const Point&, const Point&, PointIs3DTag) const;
Normal calc_face_normal_impl(const Point&, const Point&, const Point&, PointIsNot3DTag) const;
};
template<typename LHS, typename KERNEL>
LHS mesh_cast(PolyMeshT<KERNEL> &rhs) {
return MeshCast<LHS, PolyMeshT<KERNEL>&>::cast(rhs);
}
template<typename LHS, typename KERNEL>
LHS mesh_cast(PolyMeshT<KERNEL> *rhs) {
return MeshCast<LHS, PolyMeshT<KERNEL>*>::cast(rhs);
}
template<typename LHS, typename KERNEL>
const LHS mesh_cast(const PolyMeshT<KERNEL> &rhs) {
return MeshCast<LHS, const PolyMeshT<KERNEL>&>::cast(rhs);
}
template<typename LHS, typename KERNEL>
const LHS mesh_cast(const PolyMeshT<KERNEL> *rhs) {
return MeshCast<LHS, const PolyMeshT<KERNEL>*>::cast(rhs);
}
//=============================================================================
} // namespace OpenMesh
//=============================================================================
#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_POLYMESH_C)
# define OPENMESH_POLYMESH_TEMPLATES
# include "PolyMeshT.cc"
#endif
//=============================================================================
#endif // OPENMESH_POLYMESHT_HH defined
//=============================================================================
OpenMesh::PolyMeshT::ConstVertexEdgeIter
Kernel::ConstVertexEdgeIter ConstVertexEdgeIter
Circulator.
Definition: PolyMeshT.hh:178
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:528
OpenMesh::PolyMeshT::new_vertex_dirty
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:230
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:139
OpenMesh::PolyMeshT::calc_edge_length
Scalar calc_edge_length(HalfedgeHandle _heh) const
Calculates the length of the edge _heh.
Definition: PolyMeshT.hh:399
OpenMesh::PolyMeshT::ConstFaceVertexIter
Kernel::ConstFaceVertexIter ConstFaceVertexIter
Circulator.
Definition: PolyMeshT.hh:180
OpenMesh::PolyMeshT::Color
Kernel::Color Color
Color type.
Definition: PolyMeshT.hh:119
OpenMesh::PolyMeshT::calc_face_normal
virtual Normal calc_face_normal(FaceHandle _fh) const
Calculate normal vector for face _fh.
Definition: PolyMeshT.cc:102
OpenMesh::PolyMeshT::ConstVertexFaceIter
Kernel::ConstVertexFaceIter ConstVertexFaceIter
Circulator.
Definition: PolyMeshT.hh:179
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.cc:294
OpenMesh::PolyMeshT::is_polymesh
static bool is_polymesh()
Determine whether this is a PolyMeshT or TriMeshT ( This function does not check the per face vertex ...
Definition: PolyMeshT.hh:106
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:278
OpenMesh::PolyMeshT::VertexVertexIter
Kernel::VertexVertexIter VertexVertexIter
Circulator.
Definition: PolyMeshT.hh:165
OpenMesh::PolyMeshT::calc_vertex_normal_loop
void calc_vertex_normal_loop(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition: PolyMeshT.cc:430
OpenMesh::PolyMeshT::update_vertex_normals
void update_vertex_normals()
Update normal vectors for all vertices.
Definition: PolyMeshT.cc:453
OpenMesh::PolyMeshT::new_vertex
VertexHandle new_vertex(const Point &_p)
Adds a new vertex initialized to a custom position.
Definition: PolyMeshT.hh:212
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:373
OpenMesh::PolyMeshT::update_face_normals
void update_face_normals()
Update normal vectors for all faces.
Definition: PolyMeshT.cc:264
OpenMesh::PolyMeshT::Vertex
Kernel::Vertex Vertex
Vertex type.
Definition: PolyMeshT.hh:127
OpenMesh::PolyMeshT::calc_vertex_normal_correct
void calc_vertex_normal_correct(VertexHandle _vh, Normal &_n) const
Compute normals for all primitives.
Definition: PolyMeshT.cc:402
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:115
OpenMesh::PolyMeshT::is_trimesh
static bool is_trimesh()
Determine whether this is a PolyMeshT or TriMeshT ( This function does not check the per face vertex ...
Definition: PolyMeshT.hh:107
OpenMesh::PolyMeshT::ConstFaceFaceIter
Kernel::ConstFaceFaceIter ConstFaceFaceIter
Circulator.
Definition: PolyMeshT.hh:183
OpenMesh::PolyMeshT::calc_vertex_normal
Normal calc_vertex_normal(VertexHandle _vh) const
Calculate vertex normal for one specific vertex.
Definition: PolyMeshT.cc:378
OpenMesh::PolyMeshT::new_vertex
VertexHandle new_vertex()
Uses default copy and assignment operator.
Definition: PolyMeshT.hh:204
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::PolyMeshT::ConstVertexVertexIter
Kernel::ConstVertexVertexIter ConstVertexVertexIter
Circulator.
Definition: PolyMeshT.hh:175
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:414
OpenMesh::PolyMeshT::Scalar
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:113
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:145
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:488
OpenMesh::PolyMeshT::add_vertex_dirty
VertexHandle add_vertex_dirty(const Point &_p)
Alias for new_vertex_dirty().
Definition: PolyMeshT.hh:242
OpenMesh::PolyMeshT::TexCoord3D
Kernel::TexCoord3D TexCoord3D
TexCoord3D type.
Definition: PolyMeshT.hh:125
OpenMesh::PolyMeshT
Base type for a polygonal mesh.
Definition: PolyMeshT.hh:94
OpenMesh::Attributes::TexCoord3D
Add 3D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:93
OpenMesh::PolyMeshT::update_normal
void update_normal(FaceHandle _fh)
Update normal for face _fh.
Definition: PolyMeshT.hh:261
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:423
OpenMesh::PolyMeshT::FaceFaceIter
Kernel::FaceFaceIter FaceFaceIter
Circulator.
Definition: PolyMeshT.hh:173
OpenMesh::PolyMeshT::FaceHalfedgeIter
Kernel::FaceHalfedgeIter FaceHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:171
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:366
OpenMesh::PolyMeshT::ConstVertexOHalfedgeIter
Kernel::ConstVertexOHalfedgeIter ConstVertexOHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:176
OpenMesh::PolyMeshT::TexCoord2D
Kernel::TexCoord2D TexCoord2D
TexCoord2D type.
Definition: PolyMeshT.hh:123
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:380
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:181
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.cc:392
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:432
OpenMesh::PolyMeshT::Edge
Kernel::Edge Edge
Edge type.
Definition: PolyMeshT.hh:131
OpenMesh::PolyMeshT::This
PolyMeshT< Kernel > This
Self type. Used to specify iterators/circulators.
Definition: PolyMeshT.hh:99
OpenMesh::Attributes::Normal
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:87
OpenMesh::MeshCast
Cast a mesh with different but identical traits into each other.
Definition: FinalMeshItemsT.hh:183
OpenMesh::PolyMeshT::calc_sector_angle
Scalar calc_sector_angle(HalfedgeHandle _in_heh) const
calculates the sector angle.
Definition: PolyMeshT.hh:443
OpenMesh::PolyMeshT::VertexOHalfedgeIter
Kernel::VertexOHalfedgeIter VertexOHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:166
OpenMesh::PolyMeshT::Halfedge
Kernel::Halfedge Halfedge
Halfedge type.
Definition: PolyMeshT.hh:129
OpenMesh::PolyMeshT::ConstFaceEdgeIter
Kernel::ConstFaceEdgeIter ConstFaceEdgeIter
Circulator.
Definition: PolyMeshT.hh:182
OpenMesh::PolyMeshT::VertexFaceIter
Kernel::VertexFaceIter VertexFaceIter
Circulator.
Definition: PolyMeshT.hh:169
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:387
OpenMesh::PolyMeshT::update_normal
void update_normal(HalfedgeHandle _heh, const double _feature_angle=0.8)
Update normal for halfedge _heh.
Definition: PolyMeshT.hh:286
OpenMesh::Attributes::Color
Add colors to mesh item (vertices/faces/edges)
Definition: Attributes.hh:88
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:507
OpenMesh::PolyMeshT::update_halfedge_normals
void update_halfedge_normals(const double _feature_angle=0.8)
Update normal vectors for all halfedges.
Definition: PolyMeshT.cc:279
OpenMesh::PolyMeshT::FaceEdgeIter
Kernel::FaceEdgeIter FaceEdgeIter
Circulator.
Definition: PolyMeshT.hh:172
OpenMesh::PolyMeshT::ConstVertexIHalfedgeIter
Kernel::ConstVertexIHalfedgeIter ConstVertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:177
OpenMesh::PolyMeshT::Normal
Kernel::Normal Normal
Normal type.
Definition: PolyMeshT.hh:117
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.cc:79
OpenMesh::Attributes::TexCoord1D
Add 1D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:91
OpenMesh::PolyMeshT::FaceVertexIter
Kernel::FaceVertexIter FaceVertexIter
Circulator.
Definition: PolyMeshT.hh:170
OpenMesh::PolyMeshT::ConstFaceHalfedgeIter
Kernel::ConstFaceHalfedgeIter ConstFaceHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:181
OpenMesh::PolyMeshT::update_normal
void update_normal(VertexHandle _vh)
Update normal for vertex _vh.
Definition: PolyMeshT.hh:320
OpenMesh::mesh_cast
LHS mesh_cast(PolyMeshT< KERNEL > &rhs)
Cast a mesh with different but identical traits into each other.
Definition: PolyMeshT.hh:610
OpenMesh::PolyMeshT::add_vertex
VertexHandle add_vertex(const Point &_p)
Alias for new_vertex(const Point&).
Definition: PolyMeshT.hh:238
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:196
OpenMesh::PolyMeshT::VertexIHalfedgeIter
Kernel::VertexIHalfedgeIter VertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:167
OpenMesh::sane_aarg
T sane_aarg(T _aarg)
Trigonometry/angles - related.
Definition: MathDefs.hh:127
OpenMesh::PolyMeshT::Face
Kernel::Face Face
Face type.
Definition: PolyMeshT.hh:133
OpenMesh::PolyMeshT::VertexEdgeIter
Kernel::VertexEdgeIter VertexEdgeIter
Circulator.
Definition: PolyMeshT.hh:168
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.cc:347
OpenMesh::PolyMeshT::TexCoord1D
Kernel::TexCoord1D TexCoord1D
TexCoord1D type.
Definition: PolyMeshT.hh:121
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:498
OpenMesh::PolyMeshT::split
void split(FaceHandle _fh, const Point &_p)
Face split (= 1-to-n split)
Definition: PolyMeshT.hh:563
OpenMesh::PolyMeshT::update_normals
void update_normals()
Compute normals for all primitives.
Definition: PolyMeshT.cc:246
OpenMesh::Attributes::TexCoord2D
Add 2D texture coordinates (vertices, halfedges)
Definition: Attributes.hh:92