GEOS  3.13.0dev
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 #pragma once
20 
21 #include <geos/export.h>
22 #include <geos/operation/overlay/validate/FuzzyPointLocator.h> // composition
23 #include <geos/geom/Location.h> // for Location::Value type
24 
25 #include <vector>
26 
27 #ifdef _MSC_VER
28 #pragma warning(push)
29 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
30 #endif
31 
32 // Forward declarations
33 namespace geos {
34 namespace geom {
35 class Geometry;
36 class Coordinate;
37 }
38 }
39 
40 namespace geos {
41 namespace operation { // geos::operation
42 namespace overlay { // geos::operation::overlay
43 namespace validate { // geos::operation::overlay::validate
44 
62 class GEOS_DLL OverlayResultValidator {
63 
64 public:
65 
66  static bool isValid(
67  const geom::Geometry& geom0,
68  const geom::Geometry& geom1,
69  int opCode,
70  const geom::Geometry& result);
71 
73  const geom::Geometry& geom0,
74  const geom::Geometry& geom1,
75  const geom::Geometry& result);
76 
77  bool isValid(int opCode);
78 
80  getInvalidLocation()
81  {
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(int overlayOp);
110 
111  bool testValid(int overlayOp, const geom::Coordinate& pt);
112 
113  bool isValidResult(int overlayOp, std::vector<geom::Location>& location);
114 
115  static double computeBoundaryDistanceTolerance(
116  const geom::Geometry& g0, const geom::Geometry& g1);
117 
118  // Declare type as noncopyable
119  OverlayResultValidator(const OverlayResultValidator& other) = delete;
120  OverlayResultValidator& operator=(const OverlayResultValidator& rhs) = delete;
121 };
122 
123 } // namespace geos::operation::overlay::validate
124 } // namespace geos::operation::overlay
125 } // namespace geos::operation
126 } // namespace geos
127 
128 #ifdef _MSC_VER
129 #pragma warning(pop)
130 #endif
131 
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:216
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:186
Finds the most likely Location of a point relative to the polygonal components of a geometry,...
Definition: FuzzyPointLocator.h:57
Validates that the result of an overlay operation is geometrically correct within a determined tolera...
Definition: OverlayResultValidator.h:62
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25