/usr/include/geos/geom/util/LinearComponentExtracter.h is in libgeos-dev 3.2.2-3ubuntu1.
This file is owned by root:root, with mode 0o644.
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* $Id: LinearComponentExtracter.h 2772 2009-12-03 19:30:54Z mloskot $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* Copyright (C) 2001-2002 Vivid Solutions Inc.
* Copyright (C) 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#ifndef GEOS_GEOM_UTIL_LINEARCOMPONENTEXTRACTER_H
#define GEOS_GEOM_UTIL_LINEARCOMPONENTEXTRACTER_H
#include <geos/export.h>
#include <vector>
#include <geos/geom/GeometryComponentFilter.h>
#include <geos/geom/Geometry.h> // to be removed when we have the .inl
#include <geos/geom/LineString.h> // to be removed when we have the .inl
//#include <geos/platform.h>
namespace geos {
namespace geom { // geos.geom
namespace util { // geos.geom.util
/**
* Extracts all the 1-dimensional (LineString) components from a Geometry.
*/
class GEOS_DLL LinearComponentExtracter: public GeometryComponentFilter {
private:
LineString::ConstVect &comps;
// Declare type as noncopyable
LinearComponentExtracter(const LinearComponentExtracter& other);
LinearComponentExtracter& operator=(const LinearComponentExtracter& rhs);
public:
/**
* Push the linear components from a single geometry into
* the provided vector.
* If more than one geometry is to be processed, it is more
* efficient to create a single LinearComponentExtracterFilter instance
* and pass it to multiple geometries.
*/
static void getLines(const Geometry &geom, std::vector<const LineString*> &ret)
{
LinearComponentExtracter lce(ret);
geom.apply_ro(&lce);
}
/**
* Constructs a LinearComponentExtracterFilter with a list in which
* to store LineStrings found.
*/
LinearComponentExtracter(std::vector<const LineString*> &newComps)
:
comps(newComps)
{}
void filter_rw(Geometry *geom)
{
if ( const LineString *ls=dynamic_cast<const LineString *>(geom) )
comps.push_back(ls);
}
void filter_ro(const Geometry *geom)
{
if ( const LineString *ls=dynamic_cast<const LineString *>(geom) )
comps.push_back(ls);
}
};
} // namespace geos.geom.util
} // namespace geos.geom
} // namespace geos
#endif
/**********************************************************************
* $Log$
* Revision 1.1 2006/03/09 16:46:49 strk
* geos::geom namespace definition, first pass at headers split
*
**********************************************************************/
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