22 #ifndef GEOS_GEOMGRAPH_NODE_H
23 #define GEOS_GEOMGRAPH_NODE_H
25 #include <geos/export.h>
26 #include <geos/geomgraph/GraphComponent.h>
27 #include <geos/geom/Coordinate.h>
30 #include <geos/geomgraph/EdgeEndStar.h>
31 #include <geos/geomgraph/EdgeEnd.h>
34 #include <geos/inline.h>
41 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
47 class IntersectionMatrix;
62 class GEOS_DLL Node:
public GraphComponent {
63 using GraphComponent::setLabel;
67 friend std::ostream& operator<< (std::ostream& os,
const Node& node);
69 Node(
const geom::Coordinate& newCoord, EdgeEndStar* newEdges);
73 virtual const geom::Coordinate& getCoordinate()
const;
75 virtual EdgeEndStar* getEdges();
77 bool isIsolated()
const override;
82 virtual void add(EdgeEnd* e);
84 virtual void mergeLabel(
const Node& n);
93 virtual void mergeLabel(
const Label& label2);
101 virtual void setLabelBoundary(
int argIndex);
111 virtual geom::Location computeMergedLocation(
const Label& label2,
int eltIndex);
113 virtual std::string print();
115 virtual const std::vector<double>& getZ()
const;
117 virtual void addZ(
double);
130 virtual bool isIncidentEdgeInResult()
const;
134 void testInvariant()
const;
136 geom::Coordinate coord;
148 std::vector<double> zvals;
154 std::ostream& operator<< (std::ostream& os,
const Node& node);
157 Node::testInvariant()
const
163 for(EdgeEndStar::iterator
164 it = edges->begin(), itEnd = edges->end();
168 assert(e->getCoordinate().equals2D(coord));
172 #if 0 // We can't rely on numerical stability with FP computations
174 double ztot_check = 0.0;
175 for(std::vector<double>::const_iterator
176 i = zvals.begin(), e = zvals.end();
181 assert(ztot_check == ztot);
199 #endif // ifndef GEOS_GEOMGRAPH_NODE_H