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include
geos
noding
SegmentStringUtil.h
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2006 Refractions Research Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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*
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**********************************************************************
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*
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* Last port: noding/SegmentStringUtil.java rev. 1.2 (JTS-1.9)
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*
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**********************************************************************/
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#ifndef GEOS_NODING_SEGMENTSTRINGUTIL_H
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#define GEOS_NODING_SEGMENTSTRINGUTIL_H
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#include <geos/noding/NodedSegmentString.h>
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#include <geos/geom/LineString.h>
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#include <geos/geom/CoordinateSequence.h>
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#include <geos/geom/util/LinearComponentExtracter.h>
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namespace
geos {
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namespace
noding {
// geos::noding
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class
SegmentStringUtil
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{
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public
:
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static
void
extractSegmentStrings
(
const
geom::Geometry
* g,
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SegmentString::ConstVect& segStr)
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{
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geom::LineString::ConstVect
lines;
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geom::util::LinearComponentExtracter::getLines
(*g, lines);
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for
(std::size_t i=0, n=lines.size(); i<n; i++)
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{
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geom::LineString
* line = (
geom::LineString
*)(lines[i]);
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// we take ownership of the coordinates here
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// TODO: check if this can be optimized by getting
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// the internal CS.
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geom::CoordinateSequence
* pts = line->
getCoordinates
();
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segStr.push_back(
new
NodedSegmentString
(pts, g));
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}
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}
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};
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}
// geos::noding
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}
// geos
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#endif // GEOS_NODING_SEGMENTSTRINGUTIL_H
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