22 #ifndef GEOS_GEOMGRAPH_EDGE_H 23 #define GEOS_GEOMGRAPH_EDGE_H 25 #include <geos/export.h> 29 #include <geos/geomgraph/GraphComponent.h> 30 #include <geos/geomgraph/Depth.h> 31 #include <geos/geomgraph/EdgeIntersectionList.h> 32 #include <geos/geom/CoordinateSequence.h> 33 #include <geos/geom/Envelope.h> 35 #include <geos/inline.h> 39 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class 45 class IntersectionMatrix;
49 class LineIntersector;
57 class MonotoneChainEdge;
67 using GraphComponent::updateIM;
72 std::unique_ptr<index::MonotoneChainEdge> mce;
88 assert(pts->size() > 1);
91 friend std::ostream&
operator<< (std::ostream& os,
const Edge& el);
96 std::unique_ptr<geom::CoordinateSequence>
pts;
111 return pts->getSize();
115 getCoordinates()
const 122 getCoordinate(
size_t i)
const 125 return pts->getAt(i);
129 getCoordinate()
const 132 return pts->getAt(0);
156 setDepthDelta(
int newDepthDelta)
158 depthDelta = newDepthDelta;
163 getMaximumSegmentIndex()
const 166 return getNumPoints() - 1;
170 getEdgeIntersectionList()
180 virtual index::MonotoneChainEdge* getMonotoneChainEdge();
186 return pts->getAt(0) == pts->getAt(getNumPoints() - 1);
193 virtual bool isCollapsed()
const;
195 virtual Edge* getCollapsedEdge();
198 setIsolated(
bool newIsIsolated)
200 isIsolatedVar = newIsIsolated;
205 isIsolated()
const override 208 return isIsolatedVar;
224 size_t geomIndex,
size_t intIndex);
239 virtual bool isPointwiseEqual(
const Edge* e)
const;
241 virtual std::string print()
const;
243 virtual std::string printReverse()
const;
252 virtual bool equals(
const Edge& e)
const;
255 equals(
const Edge* e)
const 286 #endif // ifndef GEOS_GEOMGRAPH_EDGE_H An Envelope defines a rectangulare region of the 2D coordinate plane.
Definition: Envelope.h:58
std::unique_ptr< geom::CoordinateSequence > pts
Externally-set, owned by Edge. FIXME: refuse ownership.
Definition: geomgraph/Edge.h:96
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
virtual int getDepthDelta() const
The depthDelta is the change in depth as an edge is crossed from R to L.
Definition: geomgraph/Edge.h:149
Implementation of Dimensionally Extended Nine-Intersection Model (DE-9IM) matrix. ...
Definition: IntersectionMatrix.h:54
virtual bool equals(const Edge &e) const
Definition: EdgeIntersectionList.h:59
A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...
Definition: LineIntersector.h:49
std::ostream & operator<<(std::ostream &os, const Coordinate &c)
Output function.
A Label indicates the topological relationship of a component of a topology graph to a given Geometry...
Definition: Label.h:58
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
void computeIM(geom::IntersectionMatrix &im) override
Update the IM with the contribution for this component.
Definition: geomgraph/Edge.h:232
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:58
A GraphComponent is the parent class for the objects' that form a graph.
Definition: geomgraph/GraphComponent.h:47
bool operator==(const Coordinate &a, const Coordinate &b)
Equality operator for Coordinate. 2D only.
Definition: geomgraph/Edge.h:66