asurface.h

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/**
 * \file asurface.h <mi32/asurface.h>
 * \brief Convert screen coordinates to map/elevation coordinates function 
 *
 * \if NODOC
 * $Id: asurface.h_v 1.5 2005/03/21 15:46:03 jjohnson Exp $
 *
 * $Log: asurface.h_v $
 * Revision 1.5  2005/03/21 15:46:03  jjohnson
 * updated raster surface to use coordrefsys
 *
 * Revision 1.4  2005/03/15 22:02:17  jjohnson
 * set getintersection to use crs instead of mapprojparm
 *
 * Revision 1.3  2003/09/15 13:49:56  fileserver!dwilliss
 * Doxygen
 *
 * Revision 1.2  2001/12/26 18:51:20  vdronov
 * forgot destructor implementation
 *
 * Revision 1.1  2001/12/26 18:06:28  vdronov
 * Initial revision
 *
 * 
 * \endif
**/

#ifndef  INC_MI32_ASURFACE_H
#define  INC_MI32_ASURFACE_H

#include <mi32/trans2dc.h>

#include <rvc/raster.h>

class ABSTRACT_SURFACE {

   public:
      
   // ENUMERATIONS
   
   // NESTED CLASSES

   // TYPEDEFS

   // MEMBERS

   // STATIC METHODS

   // CONSTRUCTION / DESTRUCTION

   virtual ~ABSTRACT_SURFACE (
      ) {
      };

   // OPERATORS

   // METHODS

   //! Calculate an intersection between a beam and surface
   //!
   //! @return 1 if an intersection exists
   //!           0 if it doesn't exist 
   //!           < 0 if an error       
   virtual ERRVALUE GetIntersection (
      const DPOINT3D& pointFrom,             //!< Point from
      const DPOINT3D& pointTo,               //!< Point to
      const SPATREF::COORDREFSYS& coordrefsys,        //!< Map coordrefsys parameters 
      DPOINT3D& intersection                 //!< Intersection of surface and line
      ) const = 0;

   };


class RASTER_SURFACE : public ABSTRACT_SURFACE {

   public:

   // ENUMERATIONS
   
   // NESTED CLASSES

   // TYPEDEFS

   // MEMBERS

   // STATIC METHODS

   // CONSTRUCTION / DESTRUCTION

   RASTER_SURFACE (
      const RVC::RASTER& raster
      );

   ~RASTER_SURFACE (
      );

   // OPERATORS

   // METHODS


   //! Calculate an intersection between a beam and surface
   //!
   //! @return 1 if an intersection exists
   //!           0 if it doesn't exist 
   //!           < 0 if an error       
   ERRVALUE GetIntersection (
      const DPOINT3D& pointFrom,             //!< Point from
      const DPOINT3D& pointTo,               //!< Point to
      const SPATREF::COORDREFSYS& coordrefsys,        //!< Map coordrefsys parameters 
      DPOINT3D& intersection                 //!< Intersection of surface and line
      ) const;


   private:
   #ifndef GENERATING_DOXYGEN_OUTPUT
   // ENUMERATIONS
   
   // NESTED CLASSES

   // TYPEDEFS

   // MEMBERS

   const RVC::RASTER m_Raster;

   double m_XScale;
   double m_YScale;
   double m_ZScale;
   double m_ZOffset;
   double m_MaxElevation;
   double m_MinElevation;
   bool m_HasNull;
   double m_NullValue;

   TRANS2D_MAPGEN m_TransMap;

   // STATIC METHODS

   // CONSTRUCTION / DESTRUCTION

   // OPERATORS

   // METHODS

   #endif // GENERATING_DOXYGEN_OUTPUT
   };


#endif

---