GEOS  3.14.0dev
MinimalEdgeRing.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2006 Refractions Research Inc.
7  *
8  * This is free software; you can redistribute and/or modify it under
9  * the terms of the GNU Lesser General Public Licence as published
10  * by the Free Software Foundation.
11  * See the COPYING file for more information.
12  *
13  **********************************************************************
14  *
15  * Last port: operation/overlay/MinimalEdgeRing.java rev. 1.13 (JTS-1.10)
16  *
17  **********************************************************************/
18 
19 #pragma once
20 
21 
22 #include <geos/export.h>
23 
24 #include <geos/geomgraph/EdgeRing.h> // for inheritance
25 #include <geos/geomgraph/DirectedEdge.h> // for inlines
26 
27 #include <vector>
28 
29 // Forward declarations
30 namespace geos {
31 namespace geom {
32 class GeometryFactory;
33 }
34 namespace geomgraph {
35 class DirectedEdge;
36 class EdgeRing;
37 }
38 }
39 
40 namespace geos {
41 namespace operation { // geos::operation
42 namespace overlay { // geos::operation::overlay
43 
54 class GEOS_DLL MinimalEdgeRing: public geomgraph::EdgeRing {
55 
56 public:
57 
59  const geom::GeometryFactory* geometryFactory);
60 
61  ~MinimalEdgeRing() override {};
62 
64  {
65  return de->getNextMin();
66  };
67 
68  void setEdgeRing(geomgraph::DirectedEdge* de,
69  geomgraph::EdgeRing* er) override
70  {
71  de->setMinEdgeRing(er);
72  };
73 
74 };
75 
76 
77 } // namespace geos::operation::overlay
78 } // namespace geos::operation
79 } // namespace geos
80 
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:70
A directed EdgeEnd.
Definition: geomgraph/DirectedEdge.h:42
Definition: geomgraph/EdgeRing.h:57
A ring of Edges with the property that no node has degree greater than 2.
Definition: MinimalEdgeRing.h:54
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25