hed::Edge Class Reference

Edge class in the in the half-edge data structure. More...

#include <ttl/halfedge/HeTriang.h>

Public Member Functions
	Edge ()
	Constructor.
	~Edge ()
	Destructor.
void	setSourceNode (Node *node)
	Sets the source node.
void	setNextEdgeInFace (Edge *edge)
	Sets the next edge in face.
void	setTwinEdge (Edge *edge)
	Sets the twin edge.
void	setAsLeadingEdge (bool val=true)
	Sets the edge as a leading edge.
bool	isLeadingEdge () const
	Checks if an edge is a leading edge.
void	setConstrained (bool val=true)
	Sets the edge as a constrained edge.
bool	isConstrained () const
	Checks if an edge is constrained.
Edge *	getTwinEdge () const
	Returns the twin edge.
Edge *	getNextEdgeInFace () const
	Returns the next edge in face.
Node *	getSourceNode ()
	Retuns the source node.
Node *	getTargetNode ()
	Returns the target node.
Private Attributes
Handle< Node >	sourceNode_
Edge *	twinEdge_
Edge *	nextEdgeInFace_
struct {
unsigned char isLeadingEdge_: 1
unsigned char isConstrained_: 1
}	flags_

Detailed Description

Edge class in the in the half-edge data structure.

Definition at line 138 of file HeTriang.h.

Constructor & Destructor Documentation

hed::Edge::Edge ( ) [inline]

Constructor.

Definition at line 151 of file HeTriang.h.

References flags_, nextEdgeInFace_, sourceNode_, and twinEdge_.

00151            { sourceNode_ = NULL; twinEdge_ = NULL; nextEdgeInFace_ = NULL; 
00152       flags_.isLeadingEdge_ = 0; flags_.isConstrained_ = 0; }

hed::Edge::~Edge ( ) [inline]

Destructor.

Definition at line 155 of file HeTriang.h.

References setTwinEdge(), and twinEdge_.

00155 { if(twinEdge_) twinEdge_->setTwinEdge(NULL); }

Member Function Documentation

Edge* hed::Edge::getNextEdgeInFace ( ) const [inline]

Returns the next edge in face.

Definition at line 183 of file HeTriang.h.

References nextEdgeInFace_.

Referenced by hed::Dart::alpha1(), and getTargetNode().

00183 { return nextEdgeInFace_; }

Node* hed::Edge::getSourceNode ( ) [inline]

Retuns the source node.

Definition at line 186 of file HeTriang.h.

References Handle< T >::getPtr(), and sourceNode_.

Referenced by hed::Dart::getNode(), hed::Dart::getOppositeNode(), and getTargetNode().

00186 { return sourceNode_.getPtr(); }

Node* hed::Edge::getTargetNode ( ) [inline]

Returns the target node.

Definition at line 189 of file HeTriang.h.

References getNextEdgeInFace(), and getSourceNode().

Referenced by hed::Dart::getNode(), and hed::Dart::getOppositeNode().

00189 { return getNextEdgeInFace()->getSourceNode(); }

Edge* hed::Edge::getTwinEdge ( ) const [inline]

Returns the twin edge.

Definition at line 180 of file HeTriang.h.

References twinEdge_.

Referenced by hed::Dart::alpha2().

00180 { return twinEdge_; };

bool hed::Edge::isConstrained ( ) const [inline]

Checks if an edge is constrained.

Definition at line 177 of file HeTriang.h.

References flags_.

Referenced by hed::TTLtraits::swapEdge().

00177 { return flags_.isConstrained_ == 1 ? true : false; }

bool hed::Edge::isLeadingEdge ( ) const [inline]

Checks if an edge is a leading edge.

Definition at line 170 of file HeTriang.h.

References flags_.

00170 { return flags_.isLeadingEdge_ == 1 ? true : false; }

void hed::Edge::setAsLeadingEdge ( bool val = true ) [inline]

Sets the edge as a leading edge.

Definition at line 167 of file HeTriang.h.

References flags_.

Referenced by hed::Triangulation::addLeadingEdge().

00167 { flags_.isLeadingEdge_ = (val == true ? 1 : 0); }

void hed::Edge::setConstrained ( bool val = true ) [inline]

Sets the edge as a constrained edge.

Definition at line 173 of file HeTriang.h.

References flags_, isConstrained_, and twinEdge_.

00173                                       { unsigned char cstr = (val == true ? 1 : 0); 
00174       flags_.isConstrained_ = cstr; if (twinEdge_) twinEdge_->flags_.isConstrained_ = cstr; }