igl::geodesic::Edge Class Reference

Inheritance diagram for igl::geodesic::Edge:

Collaboration diagram for igl::geodesic::Edge:

Public Types
typedef SimpleVector< vertex_pointer >	vertex_pointer_vector
typedef SimpleVector< edge_pointer >	edge_pointer_vector
typedef SimpleVector< face_pointer >	face_pointer_vector

Public Member Functions
	Edge ()
	~Edge ()
double &	length ()
face_pointer	opposite_face (face_pointer f)
vertex_pointer	opposite_vertex (vertex_pointer v)
bool	belongs (vertex_pointer v)
bool	is_boundary ()
vertex_pointer	v0 ()
vertex_pointer	v1 ()
void	local_coordinates (Point3D *point, double &x, double &y)
vertex_pointer_vector &	adjacent_vertices ()
edge_pointer_vector &	adjacent_edges ()
face_pointer_vector &	adjacent_faces ()
unsigned &	id ()
PointType	type ()

Protected Attributes
vertex_pointer_vector	m_adjacent_vertices
edge_pointer_vector	m_adjacent_edges
face_pointer_vector	m_adjacent_faces
unsigned	m_id
PointType	m_type

Private Attributes
double	m_length

Detailed Description

Member Typedef Documentation

edge_pointer_vector

typedef SimpleVector<edge_pointer> igl::geodesic::MeshElementBase::edge_pointer_vector

inherited

face_pointer_vector

typedef SimpleVector<face_pointer> igl::geodesic::MeshElementBase::face_pointer_vector

inherited

vertex_pointer_vector

typedef SimpleVector<vertex_pointer> igl::geodesic::MeshElementBase::vertex_pointer_vector

inherited

Constructor & Destructor Documentation

Edge()

igl::geodesic::Edge::Edge ( )

inline

  {
    m_type = EDGE;
  };

References igl::geodesic::EDGE, and igl::geodesic::MeshElementBase::m_type.

~Edge()

igl::geodesic::Edge::~Edge ( )

inline

{};

Member Function Documentation

adjacent_edges()

edge_pointer_vector & igl::geodesic::MeshElementBase::adjacent_edges ( )

inlineinherited

{return m_adjacent_edges;};

References igl::geodesic::MeshElementBase::m_adjacent_edges.

Referenced by igl::geodesic::GeodesicAlgorithmExact::best_first_interval(), igl::geodesic::Mesh::build_adjacencies(), igl::geodesic::GeodesicAlgorithmExact::check_stop_conditions(), igl::geodesic::GeodesicAlgorithmExact::list_edges_visible_from_source(), igl::geodesic::Face::next_edge(), igl::geodesic::Face::opposite_edge(), igl::geodesic::GeodesicAlgorithmExact::possible_traceback_edges(), igl::geodesic::Mesh::verify(), and igl::geodesic::GeodesicAlgorithmExact::visible_from_source().

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adjacent_faces()

face_pointer_vector & igl::geodesic::MeshElementBase::adjacent_faces ( )

inlineinherited

{return m_adjacent_faces;};

References igl::geodesic::MeshElementBase::m_adjacent_faces.

Referenced by igl::geodesic::Mesh::build_adjacencies(), igl::geodesic::Mesh::closest_vertices(), igl::geodesic::GeodesicAlgorithmExact::construct_propagated_intervals(), is_boundary(), opposite_face(), igl::geodesic::GeodesicAlgorithmExact::possible_traceback_edges(), and igl::geodesic::GeodesicAlgorithmExact::propagate().

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adjacent_vertices()

vertex_pointer_vector & igl::geodesic::MeshElementBase::adjacent_vertices ( )

inlineinherited

{return m_adjacent_vertices;};

References igl::geodesic::MeshElementBase::m_adjacent_vertices.

Referenced by igl::geodesic::SurfacePoint::SurfacePoint(), igl::geodesic::SurfacePoint::SurfacePoint(), belongs(), igl::geodesic::Mesh::build_adjacencies(), igl::geodesic::Mesh::closest_vertices(), igl::geodesic::Mesh::initialize_mesh_data(), igl::geodesic::Face::opposite_vertex(), opposite_vertex(), v0(), v1(), igl::geodesic::Mesh::verify(), and igl::geodesic::Face::vertex_angle().

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belongs()

bool igl::geodesic::Edge::belongs ( vertex_pointer  v )

inline

  {
    return adjacent_vertices()[0]->id() == v->id() || 
         adjacent_vertices()[1]->id() == v->id();
  }

References igl::geodesic::MeshElementBase::adjacent_vertices(), and igl::geodesic::MeshElementBase::id().

Referenced by igl::geodesic::Face::next_edge(), igl::geodesic::Face::opposite_edge(), igl::geodesic::Face::opposite_vertex(), and opposite_vertex().

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id()

unsigned & igl::geodesic::MeshElementBase::id ( )

inlineinherited

{return m_id;}; 

References igl::geodesic::MeshElementBase::m_id.

Referenced by belongs(), igl::geodesic::GeodesicAlgorithmExact::best_first_interval(), igl::geodesic::Mesh::build_adjacencies(), igl::geodesic::GeodesicAlgorithmExact::check_stop_conditions(), igl::geodesic::GeodesicAlgorithmExact::construct_propagated_intervals(), igl::geodesic::fill_surface_point_double(), igl::geodesic::Interval::initialize(), igl::geodesic::Mesh::initialize_mesh_data(), igl::geodesic::GeodesicAlgorithmExact::intersect_intervals(), igl::geodesic::GeodesicAlgorithmExact::interval_list(), igl::geodesic::Face::next_edge(), opposite_face(), opposite_vertex(), igl::geodesic::GeodesicAlgorithmExact::propagate(), igl::geodesic::Mesh::verify(), igl::geodesic::Face::vertex_angle(), and igl::geodesic::GeodesicAlgorithmExact::visible_from_source().

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is_boundary()

bool igl::geodesic::Edge::is_boundary ( )

inline

{return adjacent_faces().size() == 1;};

References igl::geodesic::MeshElementBase::adjacent_faces(), and igl::geodesic::SimpleVector< Data >::size().

Referenced by igl::geodesic::Mesh::build_adjacencies(), igl::geodesic::GeodesicAlgorithmExact::propagate(), and igl::geodesic::Mesh::verify().

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length()

double & igl::geodesic::Edge::length ( )

inline

{return m_length;};

References m_length.

Referenced by igl::geodesic::GeodesicAlgorithmExact::best_first_interval(), igl::geodesic::Mesh::build_adjacencies(), igl::geodesic::GeodesicAlgorithmExact::check_stop_conditions(), igl::geodesic::GeodesicAlgorithmExact::construct_propagated_intervals(), igl::geodesic::Interval::find_closest_point(), igl::geodesic::GeodesicAlgorithmExact::initialize_propagation_data(), igl::geodesic::GeodesicAlgorithmExact::intersect_intervals(), igl::geodesic::GeodesicAlgorithmExact::propagate(), igl::geodesic::Interval::stop(), igl::geodesic::GeodesicAlgorithmExact::trace_back(), igl::geodesic::GeodesicAlgorithmExact::update_list_and_queue(), igl::geodesic::Mesh::verify(), and igl::geodesic::GeodesicAlgorithmExact::visible_from_source().

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local_coordinates()

void igl::geodesic::Edge::local_coordinates ( Point3D *  point, double &  x, double &  y  )

inline

  {
    double d0 = point->distance(v0());
    if(d0 < 1e-50)
    {
      x = 0.0;
      y = 0.0;
      return;
    }
 
    double d1 = point->distance(v1());
    if(d1 < 1e-50)
    {
      x = m_length;
      y = 0.0;
      return;
    }
 
    x = m_length/2.0 + (d0*d0 - d1*d1)/(2.0*m_length);
    y = sqrt(std::max(0.0, d0*d0 - x*x));
    return;
  }

References igl::geodesic::Point3D::distance(), m_length, sqrt(), v0(), and v1().

Referenced by igl::geodesic::IntervalList::find_closest_point(), and igl::geodesic::Interval::initialize().

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opposite_face()

face_pointer igl::geodesic::Edge::opposite_face ( face_pointer  f )

inline

  {
    if(adjacent_faces().size() == 1)
    {
      assert(adjacent_faces()[0]->id() == f->id());
      return NULL;
    }
 
    assert(adjacent_faces()[0]->id() == f->id() || 
         adjacent_faces()[1]->id() == f->id());
 
    return adjacent_faces()[0]->id() == f->id() ? 
         adjacent_faces()[1] : adjacent_faces()[0];
  };

References igl::geodesic::MeshElementBase::adjacent_faces(), and igl::geodesic::MeshElementBase::id().

Referenced by igl::geodesic::Mesh::verify().

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opposite_vertex()

vertex_pointer igl::geodesic::Edge::opposite_vertex ( vertex_pointer  v )

inline

  {
    assert(belongs(v));
 
    return adjacent_vertices()[0]->id() == v->id() ?
         adjacent_vertices()[1] : adjacent_vertices()[0];
  };

References igl::geodesic::MeshElementBase::adjacent_vertices(), belongs(), and igl::geodesic::MeshElementBase::id().

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type()

PointType igl::geodesic::MeshElementBase::type ( )

inlineinherited

{return m_type;};

References igl::geodesic::MeshElementBase::m_type.

Referenced by igl::geodesic::Interval::initialize(), igl::geodesic::GeodesicAlgorithmExact::list_edges_visible_from_source(), and igl::geodesic::SurfacePoint::type().

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v0()

vertex_pointer igl::geodesic::Edge::v0 ( )

inline

{return adjacent_vertices()[0];};

References igl::geodesic::MeshElementBase::adjacent_vertices().

Referenced by igl::geodesic::GeodesicAlgorithmExact::best_first_interval(), igl::geodesic::GeodesicAlgorithmExact::check_stop_conditions(), igl::geodesic::Interval::initialize(), local_coordinates(), igl::geodesic::GeodesicAlgorithmExact::possible_traceback_edges(), igl::geodesic::GeodesicAlgorithmExact::propagate(), igl::geodesic::GeodesicAlgorithmExact::trace_back(), and igl::geodesic::GeodesicAlgorithmExact::visible_from_source().

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v1()

vertex_pointer igl::geodesic::Edge::v1 ( )

inline

{return adjacent_vertices()[1];};

References igl::geodesic::MeshElementBase::adjacent_vertices().

Referenced by igl::geodesic::Interval::initialize(), local_coordinates(), igl::geodesic::GeodesicAlgorithmExact::possible_traceback_edges(), igl::geodesic::GeodesicAlgorithmExact::propagate(), and igl::geodesic::GeodesicAlgorithmExact::trace_back().

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Member Data Documentation

m_adjacent_edges

edge_pointer_vector igl::geodesic::MeshElementBase::m_adjacent_edges

protectedinherited

Referenced by igl::geodesic::MeshElementBase::adjacent_edges().

m_adjacent_faces

face_pointer_vector igl::geodesic::MeshElementBase::m_adjacent_faces

protectedinherited

Referenced by igl::geodesic::MeshElementBase::adjacent_faces().

m_adjacent_vertices

vertex_pointer_vector igl::geodesic::MeshElementBase::m_adjacent_vertices

protectedinherited

Referenced by igl::geodesic::MeshElementBase::adjacent_vertices().

m_id

unsigned igl::geodesic::MeshElementBase::m_id

protectedinherited

Referenced by igl::geodesic::MeshElementBase::id().

m_length

double igl::geodesic::Edge::m_length

private

Referenced by length(), and local_coordinates().

m_type

PointType igl::geodesic::MeshElementBase::m_type

protectedinherited

Referenced by Edge(), igl::geodesic::Face::Face(), igl::geodesic::Vertex::Vertex(), and igl::geodesic::MeshElementBase::type().

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The documentation for this class was generated from the following file:

• src/libigl/igl/exact_geodesic.cpp