terrainSymbolUpdater.h

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/*******************************************************************************
** Copyright (c) 2001 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: terrainSymbolUpdater.h,v $ $Revision: 1.19 $ $State: Exp $
*******************************************************************************/


#ifndef TERRAINSYMBOLUPDATER_H_
#define TERRAINSYMBOLUPDATER_H_

#include "tmqt/tmSymbolUpdater.h"
#include "symbolMapper/terrainModelData.h"

class DtTMDisplayOptions;
class DtTTSSymbol;
class Coordinate_System;
class DtVector;
class DtCircleSymbol;
class DtCompositeSymbol;
class DtBoxSymbol;
class DtSpecification;
class DtCompassModelData;
class DtTaitBryan;
class DtLineSymbol;

#include "terrainqt/terrainqtDefines.h"
class DT_DLL_terrainqt DtTerrainSymbolUpdater : public DtTMSymbolUpdater
{
   Q_OBJECT

public:
   
   DtTerrainSymbolUpdater();
   
   virtual ~DtTerrainSymbolUpdater();

public:

   static DtTMSymbolUpdater* create();

public:

   virtual void init(DtTMArea* area);

   virtual bool calculateHeading(const DtTaitBryan& geocentricOrientation, const DtVector& disLocation,
      double& angle, DtVector& localHeading, DtTaitBryan& localOrientation, const Coordinate_System* cs) const;

   static QString convertFromSource(const DtPoint& pnt);

   static double elevationAngleTo(const DtVector& observerPosition, 
      const DtVector& targetPosition, const Coordinate_System& coordinateSystem);

   virtual double greatCircleDistance(const DtVector& origin, const DtVector& end) const;

   virtual double headingAngleTo(const DtVector& observerPosition, 
      const DtVector& targetPosition, const Coordinate_System& coordinateSystem) const;

   virtual double meterLengthOfDegreeOfLongitude(double lon) const;

   virtual double meterLengthOfDegreeOfLatitude(double lat) const;

   virtual double range(const QVector<DtPoint>* pnts, bool useGreatCircle = false) const;

protected:

   virtual DtSymbol* createTerrainNodeChildSymbol(const DtSpecification& spec, const DtTerrainModelData& data, void *usr) const;

   virtual DtSymbol* createTerrainEdgeChildSymbol(const DtTerrainModelData& data, void *usr) const;

   virtual void updateCompassOrigin(DtSymbol& s) const;

   virtual bool updateNodeOptions(DtCompositeSymbol* comp, const DtTMDisplayOptions* opt,
      const DtTerrainModelData& d, void* usr) const;

   virtual bool updateEdgeOptions(DtCompositeSymbol* comp, const DtTMDisplayOptions* opt,
      const DtTerrainModelData& d, void* usr) const;

   virtual void updateNodeSymbol(DtSymbol& s, DtTerrainModelData&, void* usr) const;

   virtual void updateNodeSymbol(DtCompositeSymbol* comp, DtTerrainModelData&, void* usr) const;

   virtual void updateEdgeSymbol(DtSymbol& s, DtTerrainModelData&, void* usr) const;

   virtual void updateEdgeSymbol(DtCompositeSymbol* comp, DtTerrainModelData&, void* usr) const;

   virtual void updateSymbol(DtLineSymbol&, const DtSpecification&, DtSegmentList&, DtTerrainModelData&, void* usr) const;
   virtual void updateSymbol(DtCircleSymbol&, const DtSpecification&, DtSegmentList&, DtTerrainModelData&, void* usr) const;
   virtual void updateSymbol(DtBoxSymbol&, const DtSpecification&, DtSegmentList&, DtTerrainModelData&, void* usr) const;

   virtual void updateCompassData(DtSymbol& s, const DtCompassModelData& d, void* usr) const;

   virtual void updateTerrainData(DtSymbol& s, DtTerrainModelData& d, void* usr) const;

public:


   static void updateCompassDataCb(const DtTMSymbolUpdater* updater, DtSymbol& s, 
      const DtModelData& d, void* usr);

   static void updateTerrainDataCb(const DtTMSymbolUpdater* updater, DtSymbol& s, 
      const DtModelData& d, void* usr);

};

#endif //TERRAINSYMBOLUPDATER_H_