GEOS  3.4.2
OverlayResultValidator.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/validate/OverlayResultValidator.java rev. 1.4 (JTS-1.10)
16  *
17  **********************************************************************/
18 
19 #ifndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
20 #define GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
21 
22 #include <geos/export.h>
23 #include <geos/operation/overlay/OverlayOp.h> // for OpCode enum
24 #include <geos/operation/overlay/validate/FuzzyPointLocator.h> // composition
25 #include <geos/geom/Location.h> // for Location::Value type
26 
27 #include <vector>
28 
29 #ifdef _MSC_VER
30 #pragma warning(push)
31 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
32 #endif
33 
34 // Forward declarations
35 namespace geos {
36  namespace geom {
37  class Geometry;
38  class Coordinate;
39  }
40 }
41 
42 namespace geos {
43 namespace operation { // geos::operation
44 namespace overlay { // geos::operation::overlay
45 namespace validate { // geos::operation::overlay::validate
46 
64 class GEOS_DLL OverlayResultValidator {
65 
66 public:
67 
68  static bool isValid(
69  const geom::Geometry& geom0,
70  const geom::Geometry& geom1,
71  OverlayOp::OpCode opCode,
72  const geom::Geometry& result);
73 
75  const geom::Geometry& geom0,
76  const geom::Geometry& geom1,
77  const geom::Geometry& result);
78 
79  bool isValid(OverlayOp::OpCode opCode);
80 
81  geom::Coordinate& getInvalidLocation() {
82  return invalidLocation;
83  }
84 
85 private:
86 
87  double boundaryDistanceTolerance;
88 
89  const geom::Geometry& g0;
90 
91  const geom::Geometry& g1;
92 
93  const geom::Geometry& gres;
94 
95  FuzzyPointLocator fpl0;
96 
97  FuzzyPointLocator fpl1;
98 
99  FuzzyPointLocator fplres;
100 
101  geom::Coordinate invalidLocation;
102 
103  std::vector<geom::Coordinate> testCoords;
104 
105  void addTestPts(const geom::Geometry& g);
106 
107  void addVertices(const geom::Geometry& g);
108 
109  bool testValid(OverlayOp::OpCode overlayOp);
110 
111  bool testValid(OverlayOp::OpCode overlayOp, const geom::Coordinate& pt);
112 
113  bool isValidResult(OverlayOp::OpCode overlayOp,
114  std::vector<geom::Location::Value>& location);
115 
116  static double computeBoundaryDistanceTolerance(
117  const geom::Geometry& g0, const geom::Geometry& g1);
118 
119  // Declare type as noncopyable
121  OverlayResultValidator& operator=(const OverlayResultValidator& rhs);
122 };
123 
124 } // namespace geos::operation::overlay::validate
125 } // namespace geos::operation::overlay
126 } // namespace geos::operation
127 } // namespace geos
128 
129 #ifdef _MSC_VER
130 #pragma warning(pop)
131 #endif
132 
133 #endif // ndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
OpCode
The spatial functions supported by this class.
Definition: OverlayOp.h:76
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:167
Finds the most likely Location of a point relative to the polygonal components of a geometry...
Definition: FuzzyPointLocator.h:58
OverlayOp::overlayOp Adapter for use with geom::BinaryOp.
Definition: OverlayOp.h:375
Validates that the result of an overlay operation is geometrically correct within a determined tolera...
Definition: OverlayResultValidator.h:64