geomgraph/index/MonotoneChain.h
/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2005-2006 Refractions Research Inc.
* Copyright (C) 2001-2002 Vivid Solutions 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.
*
**********************************************************************
*
* Last port: geomgraph/index/MonotoneChain.java rev. 1.3 (JTS-1.7)
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
#include <geos/geomgraph/index/MonotoneChainEdge.h> // for inline
#include <geos/geomgraph/index/MonotoneChain.h>
// Forward declarations
namespace geos {
namespace geomgraph {
namespace index {
class SegmentIntersector;
}
}
}
namespace geos {
namespace geomgraph { // geos::geomgraph
namespace index { // geos::geomgraph::index
class GEOS_DLL MonotoneChain: public SweepLineEventOBJ {
private:
MonotoneChainEdge* mce;
std::size_t chainIndex;
MonotoneChain(const MonotoneChain& other) = delete;
MonotoneChain& operator=(const MonotoneChain& rhs) = delete;
public:
MonotoneChain(MonotoneChainEdge* newMce, std::size_t newChainIndex):
mce(newMce),
chainIndex(newChainIndex)
{}
~MonotoneChain() override {}
void
computeIntersections(MonotoneChain* mc, SegmentIntersector* si)
{
mce->computeIntersectsForChain(chainIndex, *(mc->mce), mc->chainIndex, *si);
}
};
} // namespace geos.geomgraph.index
} // namespace geos.geomgraph
} // namespace geos
geos::geomgraph::index::MonotoneChainEdge
MonotoneChains are a way of partitioning the segments of an edge to allow for fast searching of inter...
Definition MonotoneChainEdge.h:45
geos::geomgraph::index::SegmentIntersector
Computes the intersection of line segments, and adds the intersection to the edges containing the seg...
Definition geomgraph/index/SegmentIntersector.h:46
geos::geomgraph::index
Contains classes that implement indexes for performing noding on geometry graph edges.
Definition geomgraph/Edge.h:53
geos::geomgraph
Contains classes that implement topology graphs.
Definition Depth.h:31
geos
Basic namespace for all GEOS functionalities.
Definition geos.h:38