GEOS  3.3.3
OverlayResultValidator.h
1 /**********************************************************************
2  * $Id: OverlayResultValidator.h 3255 2011-03-01 17:56:10Z mloskot $
3  *
4  * GEOS - Geometry Engine Open Source
5  * http://geos.refractions.net
6  *
7  * Copyright (C) 2006 Refractions Research Inc.
8  *
9  * This is free software; you can redistribute and/or modify it under
10  * the terms of the GNU Lesser General Public Licence as published
11  * by the Free Software Foundation.
12  * See the COPYING file for more information.
13  *
14  ***********************************************************************
15  *
16  * Last port: operation/overlay/validate/OverlayResultValidator.java rev. 1.4 (JTS-1.10)
17  *
18  **********************************************************************/
19 
20 #ifndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
21 #define GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
22 
23 #include <geos/export.h>
24 #include <geos/operation/overlay/OverlayOp.h> // for OpCode enum
25 #include <geos/operation/overlay/validate/FuzzyPointLocator.h> // composition
26 #include <geos/geom/Location.h> // for Location::Value type
27 
28 #include <vector>
29 
30 #ifdef _MSC_VER
31 #pragma warning(push)
32 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
33 #endif
34 
35 // Forward declarations
36 namespace geos {
37  namespace geom {
38  class Geometry;
39  class Coordinate;
40  }
41 }
42 
43 namespace geos {
44 namespace operation { // geos::operation
45 namespace overlay { // geos::operation::overlay
46 namespace validate { // geos::operation::overlay::validate
47 
65 class GEOS_DLL OverlayResultValidator {
66 
67 public:
68 
69  static bool isValid(
70  const geom::Geometry& geom0,
71  const geom::Geometry& geom1,
72  OverlayOp::OpCode opCode,
73  const geom::Geometry& result);
74 
76  const geom::Geometry& geom0,
77  const geom::Geometry& geom1,
78  const geom::Geometry& result);
79 
80  bool isValid(OverlayOp::OpCode opCode);
81 
82  geom::Coordinate& getInvalidLocation() {
83  return invalidLocation;
84  }
85 
86 private:
87 
88  double boundaryDistanceTolerance;
89 
90  const geom::Geometry& g0;
91 
92  const geom::Geometry& g1;
93 
94  const geom::Geometry& gres;
95 
96  FuzzyPointLocator fpl0;
97 
98  FuzzyPointLocator fpl1;
99 
100  FuzzyPointLocator fplres;
101 
102  geom::Coordinate invalidLocation;
103 
104  std::vector<geom::Coordinate> testCoords;
105 
106  void addTestPts(const geom::Geometry& g);
107 
108  void addVertices(const geom::Geometry& g);
109 
110  bool testValid(OverlayOp::OpCode overlayOp);
111 
112  bool testValid(OverlayOp::OpCode overlayOp, const geom::Coordinate& pt);
113 
114  bool isValidResult(OverlayOp::OpCode overlayOp,
115  std::vector<geom::Location::Value>& location);
116 
117  static double computeBoundaryDistanceTolerance(
118  const geom::Geometry& g0, const geom::Geometry& g1);
119 
120  // Declare type as noncopyable
122  OverlayResultValidator& operator=(const OverlayResultValidator& rhs);
123 };
124 
125 } // namespace geos::operation::overlay::validate
126 } // namespace geos::operation::overlay
127 } // namespace geos::operation
128 } // namespace geos
129 
130 #ifdef _MSC_VER
131 #pragma warning(pop)
132 #endif
133 
134 #endif // ndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
135 
136 /**********************************************************************
137  * $Log$
138  **********************************************************************/
139