include/shape/shapeElement.h

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/******************************************************************************
** Copyright (c) 1998 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: shapeElement.h,v $ $Revision: 1.13 $ $State: Exp $
******************************************************************************/

#ifndef shapeElement_H_
#define shapeElement_H_

#include "shape/shapeDefines.h"
#include <stdio.h>
#include <vlutil/vlNetTypes.h>
#include "gdb/specification.h"
#include "gdb/specMgr.h"
#include <terrainCS/csysutil.h>

class DtShapeReader;
class DtShapeVectorReader;
class DtGroup;
class DtShapePoint;
class DtPoint;
class DtShapeProjection;

class DtVectorNetwork;

// class DtShapeElement:
//
class DT_DLL_shape DtShapeElement
{

public:

   // default constructor.
   DtShapeElement(double elevationFactor);

   // destructor
   virtual ~DtShapeElement();

   virtual bool load(FILE* f, bool loadMeasures = false, const DtShapeProjection* projection = NULL) = 0;
  
   virtual void setElevation(double elev) = 0;

   virtual void calculateMaxMins(double& myMaxHigh, double& myMinHigh) = 0;

   virtual DtGroup* import(DtShapeReader* reader) = 0;

   virtual bool importAsFeature(DtShapeVectorReader* reader, 
                                DtSpecificationID specID, 
                                DtSpecification& s) = 0;

   virtual void setFactorToMtrs(double elevationFactor);

   virtual DtInt32 numPoints() = 0;

   virtual DtShapePoint* point(int i) = 0;

protected:
   double myElevationFactor;
};

#endif