edgesetnoder.h

在Linux下做的QuadTree的程序

/**********************************************************************
 * $Id: EdgeSetNoder.h 1820 2006-09-06 16:54:23Z 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_OP_OVERLAY_EDGESETNODER_H
#define GEOS_OP_OVERLAY_EDGESETNODER_H

#include <vector>

// Forward declarations
namespace geos {
	namespace geomgraph {
		class Edge;
	}
	namespace algorithm {
		class LineIntersector;
	}
}

namespace geos {
namespace operation { // geos::operation
namespace overlay { // geos::operation::overlay

/** \brief
 * Nodes a set of edges.
 *
 * Takes one or more sets of edges and constructs a
 * new set of edges consisting of all the split edges created by
 * noding the input edges together
 */
class EdgeSetNoder {
private:
	algorithm::LineIntersector *li;
	std::vector<geomgraph::Edge*>* inputEdges;
public:
	EdgeSetNoder(algorithm::LineIntersector *newLi)
		:
		li(newLi),
		inputEdges(new std::vector<geomgraph::Edge*>())
	{}

	~EdgeSetNoder() {
		delete inputEdges; // TODO: avoid heap allocation
	}

	void addEdges(std::vector<geomgraph::Edge*> *edges);
	std::vector<geomgraph::Edge*>* getNodedEdges();
};


} // namespace geos::operation::overlay
} // namespace geos::operation
} // namespace geos

#endif // ndef GEOS_OP_OVERLAY_EDGESETNODER_H

/**********************************************************************
 * $Log$
 * Revision 1.1  2006/03/17 13:24:59  strk
 * opOverlay.h header splitted. Reduced header inclusions in operation/overlay implementation files. ElevationMatrixFilter code moved from own file to ElevationMatrix.cpp (ideally a class-private).
 *
 **********************************************************************/