/**
  * @RDE_HEADER@
  * adapting GeISiR source to SituationMap
  * $Id$
  * $HeadURL$
  * $Author$
  */

#pragma once

#include "elevation_map_helper.h"
#include <ElevationMap/situationmapelevationmap_export.h>

#include <LtsUtilsCore/qpoint3d.h>

#include <Common/situation_map_logging.h>

#include <QFutureWatcher>
#include <QPointF>
#include <QRectF>
#include <QVector>

class QFileInfo;
namespace SituationMap
{


//------------------------------------------------------------------------------------------------------------
// ElevationMap
//------------------------------------------------------------------------------------------------------------

class SITUATIONMAPELEVATIONMAP_EXPORT ElevationMap final
{

  friend class ElevationMapManager;

public:
  ElevationMap()                                  = delete;
  ElevationMap(const ElevationMap &)              = delete;
  ElevationMap &operator = (const ElevationMap &) = delete;

  explicit ElevationMap(const QFileInfo &fileInfo);

  ~ElevationMap();

  bool waitForInitialization();

  bool isValid() const;

  QString filename() const;

  QRectF extent() const;

  QPair<double, double> elexelSize() const;

  double elevation(double lon, double lat) const; // rad

  double distance(const QPointF &start, const QPointF &end) const;

  double profileDistance(const QPointF &start, const QPointF &end) const;

  unsigned int elevationProfile(const QPointF &start, const QPointF &end, Vec3dVector &elevProfile) const;

  void interpolation(bool on)  { m_aproximation = on;   }
  bool interpolation() const    { return m_aproximation; }

  bool contains(const QPointF &point) const;
  bool intersects(const QPolygonF &polygon) const;

  // Line of Sight Profile: berücksichtigt Erdkrümmung und WGS84 Erdellipsoid
  void LOSProfile(const QPointF &start, const QPointF &end, LOSVector &losProfile);

protected:

  int    getElevation(int column, int row) const;
  double getElevation(double lon, double lat) const;

  double getOrSubstituteElevation(int column, int row, double substitute) const;

  // getSamplePoints rastert den Vector( start, end) in Lat/Lon entsprechend dem Höhenraster
  void getSamplePoints(const QPointF &start, const QPointF &end, Vec3dVector &sPnts) const;

  int clipp2Map(const QPointF &start, const QPointF &end, QPointF &cStart, QPointF &cEnd) const;

  bool readFromFile();

  struct Internal;

  Internal *m_internal;
  QString   m_fileName;
  bool      m_aproximation;
  bool      m_valid;
  QFutureWatcher<bool> m_gdalReadWatcher;
  LOGGER_T  m_logger;      ///< Interface of the Logging-Facility
}; // ElevationMap


} // SituationMap



/* -----------------------------------------------------------------------------------------------
** CVS-Id/Release ...: $Header$
** -----------------------------------------------------------------------------------------------
**
** Historie:
**
**    $Log: not supported by cvs2svn $
**    Revision 1.20  2006/09/26 07:51:12  Jörg
**    Syntax Fehler unter Suse Linux 10.1 behoben.
**
**    Revision 1.19  2006/03/24 09:05:24  klaus
**    Elevationprofile: Begrenzung auf  Kartengröße aufgehoben ( Clipping)
**
**    Revision 1.18  2005/11/09 11:12:27  klaus
**    Anpassung an Linux: Kommentar hinter #endif mit "//" versehen
**
**    Revision 1.17  2005/08/22 14:15:02  joerg
**    typeId()
**
**    Revision 1.16  2005/08/12 09:37:44  joerg
**    Koordinaten-Umprojezieren bei Wechsel der Projektion
**
**    Revision 1.15  2005/04/15 13:04:35  joerg
**    Resource Control
**
**    Revision 1.14  2005/03/04 14:29:13  klaus
**    Elevationmap mit CachedTileList versehen und automatischem Entladen von Tiles
**
**    Revision 1.13  2005/03/03 12:37:14  klaus
**    dynamischen Laden und Entladen der ElevationTiles für Reliefmap
**
**    Revision 1.12  2005/03/01 12:33:12  klaus
**    Reliefmap eingeführt, aus Elevationmap entfernt
**
**    Revision 1.11  2005/02/25 15:26:41  klaus
**    Ergänzung um Reliefkarte
**
**    Revision 1.10  2005/02/10 14:13:21  klaus
**    Bias in Basisklasse MapObject überführt
**
**    Revision 1.9  2005/02/10 13:51:01  klaus
**    Bias für SightFans eingeführt
**
**    Revision 1.8  2005/02/09 16:53:06  klaus
**    1. Version der SightFans
**
**    Revision 1.7  2005/01/26 12:25:41  klaus
**    todos bearbeitet, Fehlerrückmeldnugen
**
**    Revision 1.6  2004/12/14 09:43:25  klaus
**    7. Erweiterung für Höhenkarten
**
**    Revision 1.5  2004/12/07 11:07:20  klaus
**    5. Erweiterung für Höhenkarten
**
**    Revision 1.4  2004/12/03 16:24:12  klaus
**    4. Erweiterung für Höhenkarten
**
**    Revision 1.3  2004/11/30 13:15:28  klaus
**    3. Erweiterung für Höhenkarten
**
**    Revision 1.2  2004/11/23 14:36:14  klaus
**    2. Erweiterung für Höhenkarten
**
**
** ----------------------------------------------------------------------------------------------- */