GEOS 3.9.1
PreparedLineString.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2020 Sandro Santilli <strk@kbt.io>
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 *
17 * Last port: geom/prep/PreparedLineString.java rev 1.3 (JTS-1.10)
18 *
19 **********************************************************************/
20
21#ifndef GEOS_GEOM_PREP_PREPAREDLINESTRING_H
22#define GEOS_GEOM_PREP_PREPAREDLINESTRING_H
23
24#include <geos/geom/prep/BasicPreparedGeometry.h> // for inheritance
25#include <geos/noding/SegmentString.h>
26#include <geos/noding/FastSegmentSetIntersectionFinder.h>
27#include <geos/operation/distance/IndexedFacetDistance.h>
28
29#include <memory>
30
31namespace geos {
32namespace geom { // geos::geom
33namespace prep { // geos::geom::prep
34
43private:
44 std::unique_ptr<noding::FastSegmentSetIntersectionFinder> segIntFinder;
45 mutable noding::SegmentString::ConstVect segStrings;
46 mutable std::unique_ptr<operation::distance::IndexedFacetDistance> indexedDistance;
47
48protected:
49public:
50 PreparedLineString(const Geometry* geom)
51 :
53 segIntFinder(nullptr)
54 { }
55
56 ~PreparedLineString() override;
57
58 noding::FastSegmentSetIntersectionFinder* getIntersectionFinder();
59
60 bool intersects(const geom::Geometry* g) const override;
61 std::unique_ptr<geom::CoordinateSequence> nearestPoints(const geom::Geometry* g) const override;
62 double distance(const geom::Geometry* g) const override;
63 operation::distance::IndexedFacetDistance* getIndexedFacetDistance() const;
64
65};
66
67} // namespace geos::geom::prep
68} // namespace geos::geom
69} // namespace geos
70
71#endif // GEOS_GEOM_PREP_PREPAREDLINESTRING_H
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:188
A base class for PreparedGeometry subclasses.
Definition BasicPreparedGeometry.h:59
A prepared version of LinearRing, LineString or MultiLineString geometries.
Definition PreparedLineString.h:42
std::unique_ptr< geom::CoordinateSequence > nearestPoints(const geom::Geometry *g) const override
bool intersects(const geom::Geometry *g) const override
double distance(const geom::Geometry *g) const override
Finds if two sets of SegmentStrings intersect.
Definition FastSegmentSetIntersectionFinder.h:51
Computes the distance between the facets (segments and vertices) of two Geometrys using a Branch-and-...
Definition IndexedFacetDistance.h:47
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26