DtGeoReference.h

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/****************************************************************************** 
** Copyright (c) 2017 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
 

#pragma once

#include <vrvUtil/vrvUtil.h>

#include <matrix/vlDcm.h>
#include <matrix/vlTaitBryan.h>
#include <matrix/geodeticCoord.h>

namespace makVrv 
{ 
   class DtCoordinateSystem;

   class DT_DLL_VRVUTIL DtGeoReference
   {
   public:
      DtGeoReference( const DtCoordinateSystem& coordinateSystem );

      DtGeoReference( const DtGeodeticCoord& location, const DtTaitBryan& orientation, 
         const DtCoordinateSystem& coordinateSystem );

      void setGeodeticLocation( const DtGeodeticCoord& geodeticLocation );
      void getGeodeticLocation( DtGeodeticCoord& geodeticLocation );

      void setTopoOrientation( const DtTaitBryan& orientation );
      void getTopoOrientation( DtTaitBryan& orientation );

      void setLocationAndOrientation( const DtGeodeticCoord& geodeticLocation,
         const DtTaitBryan& topoOrientation );

      void geodeticToTopo( const DtGeodeticCoord& geodeticLocationIn, const DtTaitBryan& topoOrientationIn,
         DtVector& topoLocationOut, DtTaitBryan& topoOrientationOut );
      void topoToGeodetic( const DtVector& topoLocationIn, const DtTaitBryan& topoOrientationIn,
         DtGeodeticCoord& geodeticLocationOut, DtTaitBryan& topoOrientationOut );

      void refVecToTopoVec( const DtVector& inVec, DtVector& topoVec );
      void topoVecToRefVec( const DtVector& inVec, DtVector& refVec );

   protected:
      void calculateMatrices();

   private:
      DtGeoReference();

   protected:

      DtDcm myReferenceToTopoDcm;
      DtDcm myTopoToReferenceDcm;

      // This is the GeoRef's orientation.  While reflected in the ref to topo and topo to ref DCMs,
      // it's needed when setLocation is called (and also used for getTopoOrientation).
      DtTaitBryan myTopoOrientation;

      // This may be a geocentric location, or an offset from 0,0,0 on a projected
      // database
      DtVector myReferenceBaseLocation;

      // This is the geoRef's location in geodetic coordinates.  While it could be recalculated
      // from myReferenceBaseLocation, it's kept as an optimization for return by getLocation
      DtGeodeticCoord myGeodeticLocation;

      const DtCoordinateSystem& myCoordinateSystem;
   };

}