GEOS  3.14.0dev
AbstractPreparedPolygonContains.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  *
16  * Last port: geom/prep/AbstractPreparedPolygonContains.java r388 (JTS-1.12)
17  *
18  **********************************************************************/
19 
20 #pragma once
21 
22 #include <geos/geom/prep/PreparedPolygonPredicate.h> // inherited
23 
24 
25 // forward declarations
26 namespace geos {
27 namespace geom {
28 class Geometry;
29 
30 namespace prep {
31 class PreparedPolygon;
32 }
33 }
34 }
35 
36 
37 namespace geos {
38 namespace geom { // geos::geom
39 namespace prep { // geos::geom::prep
40 
65 private:
66  // information about geometric situation
67  bool hasSegmentIntersection;
68  bool hasProperIntersection;
69  bool hasNonProperIntersection;
70 
71  bool isProperIntersectionImpliesNotContainedSituation(const geom::Geometry* testGeom);
72 
78  bool isSingleShell(const geom::Geometry& geom);
79 
80  void findAndClassifyIntersections(const geom::Geometry* geom);
81 
82 protected:
90 
98  bool eval(const geom::Geometry* geom);
99 
108  bool evalPointTestGeom(const geom::Geometry* geom, geom::Location outermostLoc);
109 
117  virtual bool fullTopologicalPredicate(const geom::Geometry* geom) = 0;
118 
119 public:
120  AbstractPreparedPolygonContains(const PreparedPolygon* const p_prepPoly)
121  : PreparedPolygonPredicate(p_prepPoly),
122  hasSegmentIntersection(false),
123  hasProperIntersection(false),
124  hasNonProperIntersection(false),
126  { }
127 
128  AbstractPreparedPolygonContains(const PreparedPolygon* const p_prepPoly, bool p_requireSomePointInInterior)
129  : PreparedPolygonPredicate(p_prepPoly),
130  hasSegmentIntersection(false),
131  hasProperIntersection(false),
132  hasNonProperIntersection(false),
133  requireSomePointInInterior(p_requireSomePointInInterior)
134  { }
135 
136  ~AbstractPreparedPolygonContains() override
137  { }
138 
139 };
140 
141 } // geos::geom::prep
142 } // geos::geom
143 } // geos
144 
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:197
A base class containing the logic for computes the contains and covers spatial relationship predicate...
Definition: AbstractPreparedPolygonContains.h:64
bool eval(const geom::Geometry *geom)
bool evalPointTestGeom(const geom::Geometry *geom, geom::Location outermostLoc)
virtual bool fullTopologicalPredicate(const geom::Geometry *geom)=0
bool requireSomePointInInterior
Definition: AbstractPreparedPolygonContains.h:89
A base class for predicate operations on PreparedPolygons.
Definition: PreparedPolygonPredicate.h:57
A prepared version of Polygon or MultiPolygon geometries.
Definition: PreparedPolygon.h:51
Location
Constants representing the location of a point relative to a geometry.
Definition: Location.h:32
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25