/**
  * @RDE_HEADER@
  * ViewshedParameter
  * $Id$
  * $HeadURL$
  * $Author$
  */

#pragma once

// Own
#include <situation_map_export.h>

#include <MathUtils/math_const.h>

// Qt
#include <QString>
#include <QPointF>

class QJsonObject;

//----------------------------------------------------------------------------
namespace SituationMap
{

/*!
 * \brief Define parameter for viewshed.
 */
class ViewshedParameter
{
public:
  explicit ViewshedParameter() = default;

  QPointF      viewshedOrigin_latLon;                        // geo coordinates in rad
  double       innerRadius     =  10.0;                      // inner radius for use with sight fan only
  double       outerRadius     = 100.0;                      // radius for both sight fan and ESRI viewshed
  double       observerHeight  = 2.0;                        // observer height for both sight fan and ESRI viewshed
  double       targetHeight    = 2.0;                        // object or target height for use with sight fan
  double       startAngle      = 0.0;                        // start angle of sight fan in rad 
  double       dAngle          = 2.0 / 180.0*MathConst::pi;  // angle of single sight fan beam in rad
  unsigned int noBeams         = 180;                        // count of sight fan beams 
  double       alpha           = 1.0;                        // transparency [0..1];

  QString toString() const;

//  static MapWidgetSettings read(const QJsonObject &json);
//  QJsonObject toJsonObject() const;
};


SITUATIONMAP_EXPORT std::ostream  &operator<< (std::ostream &stream,
                                               const SituationMap::ViewshedParameter &value);

} // namespace SituationMap