GEOS
3.8.1
include
geos
noding
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
28
namespace
geos
{
29
namespace
noding {
// geos::noding
30
37
class
SegmentStringUtil {
38
public
:
50
static
void
51
extractSegmentStrings
(
const
geom::Geometry* g,
52
SegmentString::ConstVect& segStr)
53
{
54
geom::LineString::ConstVect
lines;
55
geom::util::LinearComponentExtracter::getLines
(*g, lines);
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
geos
Basic namespace for all GEOS functionalities.
Definition:
IndexedNestedRingTester.h:25
geos::geom::LineString::ConstVect
std::vector< const LineString * > ConstVect
A vector of const LineString pointers.
Definition:
LineString.h:75
geos::noding::SegmentStringUtil::extractSegmentStrings
static void extractSegmentStrings(const geom::Geometry *g, SegmentString::ConstVect &segStr)
Extracts all linear components from a given Geometry to SegmentStrings.
Definition:
SegmentStringUtil.h:102
geos::geom::util::LinearComponentExtracter::getLines
static void getLines(const Geometry &geom, std::vector< const LineString * > &ret)
Generated by
1.8.17