GEOS  3.9.0dev
PreparedLineString.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/PreparedLineString.java rev 1.3 (JTS-1.10)
17  *
18  **********************************************************************/
19 
20 #ifndef GEOS_GEOM_PREP_PREPAREDLINESTRING_H
21 #define GEOS_GEOM_PREP_PREPAREDLINESTRING_H
22 
23 #include <geos/geom/prep/BasicPreparedGeometry.h> // for inheritance
24 #include <geos/noding/SegmentString.h>
25 #include <geos/noding/FastSegmentSetIntersectionFinder.h>
26 
27 #include <memory>
28 
29 namespace geos {
30 namespace geom { // geos::geom
31 namespace prep { // geos::geom::prep
32 
41 private:
42  std::unique_ptr<noding::FastSegmentSetIntersectionFinder> segIntFinder;
43  mutable noding::SegmentString::ConstVect segStrings;
44 
45 protected:
46 public:
47  PreparedLineString(const Geometry* geom)
48  :
50  segIntFinder(nullptr)
51  { }
52 
53  ~PreparedLineString() override;
54 
55  noding::FastSegmentSetIntersectionFinder* getIntersectionFinder();
56 
57  bool intersects(const geom::Geometry* g) const override;
58 
59 };
60 
61 } // namespace geos::geom::prep
62 } // namespace geos::geom
63 } // namespace geos
64 
65 #endif // GEOS_GEOM_PREP_PREPAREDLINESTRING_H
bool intersects(const geom::Geometry *g) const override
Finds if two sets of SegmentStrings intersect.
Definition: FastSegmentSetIntersectionFinder.h:51
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:188
A prepared version of LinearRing, LineString or MultiLineString geometries.
Definition: PreparedLineString.h:40
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:26
A base class for PreparedGeometry subclasses.
Definition: BasicPreparedGeometry.h:59