GEOS  3.9.0dev
IntersectionMatrix.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.
12  *
13  **********************************************************************
14  *
15  * Last port: geom/IntersectionMatrix.java rev. 1.18
16  *
17  **********************************************************************/
18
19 #ifndef GEOS_GEOM_INTERSECTIONMATRIX_H
20 #define GEOS_GEOM_INTERSECTIONMATRIX_H
21
22 #include <geos/geom/Location.h>
23
24 #include <geos/export.h>
25 #include <array>
26 #include <string>
27
28 #include <geos/inline.h>
29
30 namespace geos {
31 namespace geom { // geos::geom
32
54 class GEOS_DLL IntersectionMatrix {
55
56 public:
57
65
74  IntersectionMatrix(const std::string& elements);
75
84
95  bool matches(const std::string& requiredDimensionSymbols) const;
96
109  static bool matches(int actualDimensionValue,
110  char requiredDimensionSymbol);
111
124  static bool matches(const std::string& actualDimensionSymbols,
125  const std::string& requiredDimensionSymbols);
126
138
149  void set(Location row, Location column, int dimensionValue);
150
159  void set(const std::string& dimensionSymbols);
160
173  void setAtLeast(Location row, Location column, int minimumDimensionValue);
174
195  void setAtLeastIfValid(Location row, Location column, int minimumDimensionValue);
196
207  void setAtLeast(std::string minimumDimensionSymbols);
208
217  void setAll(int dimensionValue);
218
232  int get(geom::Location row, geom::Location column) const {
233  return matrix[static_cast<size_t>(row)][static_cast<size_t>(column)];
234  }
235
242  bool isDisjoint() const;
243
250  bool isIntersects() const;
251
264  bool isTouches(int dimensionOfGeometryA, int dimensionOfGeometryB)
265  const;
266
284  bool isCrosses(int dimensionOfGeometryA, int dimensionOfGeometryB)
285  const;
286
292  bool isWithin() const;
293
299  bool isContains() const;
300
310  bool isEquals(int dimensionOfGeometryA, int dimensionOfGeometryB)
311  const;
312
326  bool isOverlaps(int dimensionOfGeometryA, int dimensionOfGeometryB)
327  const;
328
337  bool isCovers() const;
338
339
348  bool isCoveredBy() const;
349
358  IntersectionMatrix* transpose();
359
367  std::string toString() const;
368
369 private:
370
371  static const int firstDim; // = 3;
372
373  static const int secondDim; // = 3;
374
375  // Internal buffer for 3x3 matrix.
376  std::array<std::array<int, 3>, 3> matrix;
377
378 }; // class IntersectionMatrix
379
380 GEOS_DLL std::ostream& operator<< (std::ostream& os, const IntersectionMatrix& im);
381
382
383 } // namespace geos::geom
384 } // namespace geos
385
386 #endif // ndef GEOS_GEOM_INTERSECTIONMATRIX_H
Implementation of Dimensionally Extended Nine-Intersection Model (DE-9IM) matrix. ...
Definition: IntersectionMatrix.h:54
std::ostream & operator<<(std::ostream &os, const Coordinate &c)
Output function.
Location
Constants representing the location of a point relative to a geometry.
Definition: Location.h:34
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:26