/usr/include/geos/noding/FastSegmentSetIntersectionFinder.h is in libgeos-dev 3.2.2-3ubuntu1.
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* $Id: FastSegmentSetIntersectionFinder.h 2263 2009-01-29 18:56:00Z mloskot $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* 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_NODING_FASTSEGMENTSETINTERSECTIONFINDER_H
#define GEOS_NODING_FASTSEGMENTSETINTERSECTIONFINDER_H
#include <geos/noding/SegmentString.h>
#include <geos/noding/MCIndexSegmentSetMutualIntersector.h>
//forward declarations
namespace geos {
namespace noding {
class SegmentIntersectionDetector;
class SegmentSetMutualIntersector;
//class MCIndexSegmentSetMutualIntersector : public SegmentSetMutualIntersector;
}
}
namespace geos {
namespace noding { // geos::noding
/** \brief
* Finds if two sets of {@link SegmentStrings}s intersect.
*
* Uses indexing for fast performance and to optimize repeated tests
* against a target set of lines.
* Short-circuited to return as soon an intersection is found.
*
* @version 1.7
*/
class FastSegmentSetIntersectionFinder
{
private:
MCIndexSegmentSetMutualIntersector * segSetMutInt;
geos::algorithm::LineIntersector * lineIntersector;
protected:
public:
FastSegmentSetIntersectionFinder( SegmentString::ConstVect * baseSegStrings);
~FastSegmentSetIntersectionFinder();
/**
* Gets the segment set intersector used by this class.
* This allows other uses of the same underlying indexed structure.
*
* @return the segment set intersector used
*/
SegmentSetMutualIntersector * getSegmentSetIntersector()
{
return segSetMutInt;
}
bool intersects( SegmentString::ConstVect * segStrings);
bool intersects( SegmentString::ConstVect * segStrings, SegmentIntersectionDetector * intDetector);
};
} // geos::noding
} // geos
#endif // GEOS_NODING_FASTSEGMENTSETINTERSECTIONFINDER_H
/**********************************************************************
* $Log$
**********************************************************************/
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