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GEOS
3.5.0
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Represents an undirected edge of a PlanarGraph. More...
#include <Edge.h>
Public Types | |
| typedef std::set< const Edge * > | ConstSet |
| Set of const Edges pointers. | |
| typedef std::set< Edge * > | NonConstSet |
| Set of non-const Edges pointers. | |
| typedef std::vector< Edge * > | NonConstVect |
| Vector of non-const Edges pointers. | |
| typedef std::vector< const Edge * > | ConstVect |
| Vector of const Edges pointers. | |
Public Member Functions | |
| Edge () | |
| Constructs an Edge whose DirectedEdges are not yet set. More... | |
| Edge (DirectedEdge *de0, DirectedEdge *de1) | |
| Constructs an Edge initialized with the given DirectedEdges. More... | |
| void | setDirectedEdges (DirectedEdge *de0, DirectedEdge *de1) |
| Initializes this Edge's two DirectedEdges. More... | |
| DirectedEdge * | getDirEdge (int i) |
| Returns one of the DirectedEdges associated with this Edge. More... | |
| DirectedEdge * | getDirEdge (Node *fromNode) |
| Returns the DirectedEdge that starts from the given node, or null if the node is not one of the two nodes associated with this Edge. | |
| Node * | getOppositeNode (Node *node) |
If node is one of the two nodes associated with this Edge, returns the other node; otherwise returns null. | |
Public Member Functions inherited from geos::planargraph::GraphComponent | |
| virtual bool | isVisited () const |
| Tests if a component has been visited during the course of a graph algorithm. More... | |
| virtual void | setVisited (bool isVisited) |
| Sets the visited flag for this component. More... | |
| virtual bool | isMarked () const |
| Tests if a component has been marked at some point during the processing involving this graph. More... | |
| virtual void | setMarked (bool isMarked) |
| Sets the marked flag for this component. More... | |
Protected Attributes | |
| std::vector< DirectedEdge * > | dirEdge |
| The two DirectedEdges associated with this Edge. | |
Protected Attributes inherited from geos::planargraph::GraphComponent | |
| bool | isMarkedVar |
| Variable holding ''marked'' status. | |
| bool | isVisitedVar |
| Variable holding ''visited'' status. | |
Friends | |
| std::ostream & | operator<< (std::ostream &os, const Node &) |
| Print a Node. | |
Additional Inherited Members | |
Static Public Member Functions inherited from geos::planargraph::GraphComponent | |
| template<typename T > | |
| static void | setVisited (T start, T end, bool visited) |
| Sets the Visited state for the elements of a container, from start to end iterator. More... | |
| template<typename T > | |
| static void | setVisitedMap (T start, T end, bool visited) |
| Sets the Visited state for the values of each map container element, from start to end iterator. More... | |
| template<typename T > | |
| static void | setMarked (T start, T end, bool marked) |
| Sets the Marked state for the elements of a container, from start to end iterator. More... | |
| template<typename T > | |
| static void | setMarkedMap (T start, T end, bool marked) |
| Sets the Marked state for the values of each map container element, from start to end iterator. More... | |
Represents an undirected edge of a PlanarGraph.
An undirected edge in fact simply acts as a central point of reference for two opposite DirectedEdge.
Usually a client using a PlanarGraph will subclass Edge to add its own application-specific data and methods.
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inline |
Constructs an Edge whose DirectedEdges are not yet set.
Be sure to call setDirectedEdges(DirectedEdge, DirectedEdge) Constructs a Edge whose DirectedEdges are not yet set.
Be sure to call setDirectedEdges(DirectedEdge, DirectedEdge)
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inline |
Constructs an Edge initialized with the given DirectedEdges.
For each DirectedEdge: sets the Edge, sets the symmetric DirectedEdge, and adds this Edge to its from-Node.
References geos::planargraph::operator<<().
| DirectedEdge* geos::planargraph::Edge::getDirEdge | ( | int | i | ) |
Returns one of the DirectedEdges associated with this Edge.
| i | 0 or 1 |
| void geos::planargraph::Edge::setDirectedEdges | ( | DirectedEdge * | de0, |
| DirectedEdge * | de1 | ||
| ) |
Initializes this Edge's two DirectedEdges.
For each DirectedEdge: sets the Edge, sets the symmetric DirectedEdge, and adds this Edge to its from-Node.
1.8.11