GEOS 3.9.1
SegmentStringUtil.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: noding/SegmentStringUtil.java rev. 1.2 (JTS-1.9)
17 *
18 **********************************************************************/
19
20#ifndef GEOS_NODING_SEGMENTSTRINGUTIL_H
21#define GEOS_NODING_SEGMENTSTRINGUTIL_H
22
23#include <geos/noding/NodedSegmentString.h>
24#include <geos/geom/LineString.h>
25#include <geos/geom/CoordinateSequence.h>
26#include <geos/geom/util/LinearComponentExtracter.h>
27
28namespace geos {
29namespace noding { // geos::noding
30
38public:
50 static void
52 SegmentString::ConstVect& segStr)
53 {
56
57 for(std::size_t i = 0, n = lines.size(); i < n; i++) {
58 geom::LineString* line = (geom::LineString*)(lines[i]);
59
60 // we take ownership of the coordinates here
61 // TODO: check if this can be optimized by getting
62 // the internal CS.
63 auto pts = line->getCoordinates();
64
65 segStr.push_back(new NodedSegmentString(pts.release(), g));
66 }
67 }
68
69};
70
71} // geos::noding
72} // geos
73
74#endif // GEOS_NODING_SEGMENTSTRINGUTIL_H
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:188
Definition LineString.h:68
std::unique_ptr< CoordinateSequence > getCoordinates() const override
Returns this Geometry vertices. Caller takes ownership of the returned object.
std::vector< const LineString * > ConstVect
A vector of const LineString pointers.
Definition LineString.h:75
static void getLines(const Geometry &geom, std::vector< const LineString * > &ret)
Represents a list of contiguous line segments, and supports noding the segments.
Definition NodedSegmentString.h:57
Utility methods for processing SegmentStrings.
Definition SegmentStringUtil.h:37
static void extractSegmentStrings(const geom::Geometry *g, SegmentString::ConstVect &segStr)
Extracts all linear components from a given Geometry to SegmentStrings.
Definition SegmentStringUtil.h:51
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26