include/gdb/distNetEdgMet.h

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/*********************************************************************
** Copyright (c) 2001 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: distNetEdgMet.h,v $ $Revision: 1.10 $ $State: Exp $
*********************************************************************/

// \file distNetEdgMet.h
// \brief Contains the DtDistanceNetworkEdgeMetric class declaration.

#pragma once

#include "gdb/gdbDefines.h"
#include "gdb/netwrkEdgMet.h"
#include "geometry/point.h"

// DtDistanceNetworkEdgeMetric is a metric for segments in an
// mx-cif quadtree.  The metric is based on distance from a point.
class DT_DLL_gdb DtDistanceNetworkEdgeMetric : public DtNetworkEdgeMetric
{
public:

   DtDistanceNetworkEdgeMetric();

   virtual ~DtDistanceNetworkEdgeMetric();

   DtDistanceNetworkEdgeMetric(const DtDistanceNetworkEdgeMetric& orig);

   DtDistanceNetworkEdgeMetric& operator=(const DtDistanceNetworkEdgeMetric& orig);

public:

   virtual double measure(const DtNetworkEdge& edge) const;

   virtual bool valid(const DtNetworkEdge& edge) const;

   virtual bool validSW(double xx, double yy) const;

   virtual bool validSE(double xx, double yy) const;

   virtual bool validNE(double xx, double yy) const;

   virtual bool validNW(double xx, double yy) const;

   virtual double heuristic(const DtPoint& source, const DtPoint& dest) const;

};