localVertexList.h

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/*********************************************************************
** Copyright (c) 1999-2001 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/

#pragma once

#include "vrfutil/vertexList.h"

class DtLocalVector;
class DtLocalVectorIterator;

#include "vrfutil/vrfutilDefines.h"
class DT_DLL_vrfutil DtLocalVertexList : public DtVertexList
{
public:

   DtLocalVertexList();

   DtLocalVertexList(const DtString& name, DtReaderWriterRegistry*
      parentRegistry = NULL);

   virtual ~DtLocalVertexList();

   virtual bool closedFigure() const;
   virtual void setClosedFigure(bool closed);

   virtual bool isEllipsoid() const;
   virtual void setIsEllipsoid(bool closed);

   virtual bool projection() const;
   virtual void setProjection(bool projection);

   virtual const DtLocalVectorIterator& localIterator() const;



   virtual bool leftOf(const DtVector& point) const;

   virtual double headingAngleTo(const DtVector& point) const;

   virtual double elevationAngleTo(const DtVector& point) const;

   virtual double localDistSquaredTo(const DtVector& point) const;

   virtual double distSquaredTo2D(const DtVector& point) const;
 
   virtual bool intersects(const DtVector& point1, const DtVector& point2) const;

   virtual bool getClosestVertex2D(const DtVector& point, DtVector& vertex) const;

   virtual DtListItem* getClosestVertex2D(const DtVector& point) const;

   virtual bool getClosestLine2D(const DtVector& point, DtVector& linePt1,
      DtVector& linePt2) const;

public:

   static double distanceSquaredPointToLine2D(const DtVector& point,
      const DtVector& linePt1, const DtVector& linePt2);

   static double distanceSquaredPointToPoint2D(const DtVector& point1,
      const DtVector& point2);

private:

   DtLocalVertexList(const DtLocalVertexList& orig);

   DtLocalVertexList& operator=(const DtLocalVertexList& orig);

protected:

   bool myClosedFigure;
   bool myIsEllipsoid;
   bool myProjection;
   DtLocalVectorIterator* myLocalVectorIterator;
};