GEOS  3.13.0dev
SegmentIntersectionTester.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2011 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  * Last port: operation/predicate/SegmentIntersectionTester.java r378 (JTS-1.12)
17  *
18  **********************************************************************/
19 
20 #pragma once
21 
22 #include <geos/export.h>
23 
24 #include <geos/algorithm/LineIntersector.h> // for composition
25 #include <geos/geom/Coordinate.h> // for composition
26 
27 // Forward declarations
28 namespace geos {
29 namespace geom {
30 class LineString;
31 class CoordinateSequence;
32 }
33 }
34 
35 namespace geos {
36 namespace operation { // geos::operation
37 namespace predicate { // geos::operation::predicate
38 
47 class GEOS_DLL SegmentIntersectionTester {
48 
49 private:
50 
55  algorithm::LineIntersector li; // Robust
56 
57  bool hasIntersectionVar;
58 
59 public:
60 
61  SegmentIntersectionTester(): hasIntersectionVar(false) {}
62 
63  bool hasIntersectionWithLineStrings(const geom::LineString& line,
64  const std::vector<const geom::LineString*>& lines);
65 
66  bool hasIntersection(const geom::LineString& line,
67  const geom::LineString& testLine);
68 
84  const geom::LineString& testLine);
85 
86 
87 };
88 
89 } // namespace geos::operation::predicate
90 } // namespace geos::operation
91 } // namespace geos
A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...
Definition: LineIntersector.h:53
Definition: LineString.h:65
Tests if any line segments in two sets of CoordinateSequences intersect.
Definition: SegmentIntersectionTester.h:47
bool hasIntersectionWithEnvelopeFilter(const geom::LineString &line, const geom::LineString &testLine)
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25