+ SGPropertyNode_ptr _radar_mode_control_node;
+
+ SGPropertyNode_ptr _user_lat_node;
+ SGPropertyNode_ptr _user_lon_node;
+ SGPropertyNode_ptr _user_heading_node;
+ SGPropertyNode_ptr _user_alt_node;
+
+ FGODGauge *_odg;
+
+ // Convenience function for creating a property node with a
+ // default value
+ template<typename DefaultType>
+ SGPropertyNode *getInstrumentNode(const char *name, DefaultType value);
+
+private:
+ string _texture_path;
+
+ typedef enum { ARC, MAP, PLAN, ROSE } DisplayMode;
+ DisplayMode _display_mode;
+
+ string _last_switchKnob;
+
+ float _range_nm;
+ float _scale; // factor to convert nm to display units
+ float _angle_offset;
+ float _view_heading;
+ float _x_offset, _y_offset;
+
+ double _radar_ref_rng;
+ double _lat, _lon;
+
+ SGPropertyNode_ptr _Tacan;
+ SGPropertyNode_ptr _Radar_controls;
+
+ SGPropertyNode_ptr _user_speed_east_fps_node;
+ SGPropertyNode_ptr _user_speed_north_fps_node;
+
+ SGPropertyNode_ptr _tacan_serviceable_node;
+ SGPropertyNode_ptr _tacan_distance_node;
+ SGPropertyNode_ptr _tacan_name_node;
+ SGPropertyNode_ptr _tacan_bearing_node;
+ SGPropertyNode_ptr _tacan_in_range_node;
+
+ SGPropertyNode_ptr _radar_weather_node;
+ SGPropertyNode_ptr _radar_position_node;
+ SGPropertyNode_ptr _radar_data_node;
+ SGPropertyNode_ptr _radar_symbol_node;
+
+ SGPropertyNode_ptr _radar_centre_node;
+ SGPropertyNode_ptr _radar_coverage_node;
+ SGPropertyNode_ptr _radar_ref_rng_node;
+ SGPropertyNode_ptr _radar_hdg_marker_node;
+ SGPropertyNode_ptr _radar_rotate_node;
+
+ SGPropertyNode_ptr _font_node;
+ SGPropertyNode_ptr _ai_enabled_node;
+
+ osg::ref_ptr<osg::Texture2D> _resultTexture;
+ osg::ref_ptr<osg::Texture2D> _wxEcho;
+ osg::ref_ptr<osg::Geode> _radarGeode;
+ osg::ref_ptr<osg::Geode> _textGeode;
+ osg::Geometry *_geom;
+ osg::Vec2Array *_vertices;
+ osg::Vec2Array *_texCoords;
+ osg::Matrixf _centerTrans;
+ osg::ref_ptr<osgText::Font> _font;
+ osg::Vec4 _font_color;
+ float _font_size;
+ float _font_spacing;
+
+ list_of_SGWxRadarEcho _radarEchoBuffer;
+
+ FGAIManager *_ai;
+
+ void update_weather();
+ void update_aircraft();
+ void update_tacan();
+ void update_heading_marker();
+ void update_data(FGAIBase* ac, double radius, double bearing, bool selected);
+ void center_map();
+ void apply_map_offset();
+ void updateFont();
+ void calcRangeBearing(double lat, double lon, double lat2, double lon2,
+ double &range, double &bearing) const;
+
+ bool withinRadarHorizon(double user_alt, double alt, double range);
+ bool inRadarRange(int type, double range);
+
+ float calcRelBearing(float bearing, float heading);