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//
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// coord.h
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//
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// Copyright 2002-2003 Michael F. Henry
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//
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#pragma once
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//////////////////////////////////////////////////////////////////////
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// Geocentric coordinates.
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class cCoordGeo  
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{
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public:
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   cCoordGeo();
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   cCoordGeo(double lat, double lon, double alt) :
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      m_Lat(lat), m_Lon(lon), m_Alt(alt) {}
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   virtual ~cCoordGeo() {};
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   double m_Lat;   // Latitude,  radians (negative south)
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   double m_Lon;   // Longitude, radians (negative west)
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   double m_Alt;   // Altitude,  km      (above mean sea level)
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};
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//////////////////////////////////////////////////////////////////////
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// Topocentric-Horizon coordinates.
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class cCoordTopo  
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{
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public:
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   cCoordTopo();
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   cCoordTopo(double az, double el, double rng, double rate) :
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      m_Az(az), m_El(el), m_Range(rng), m_RangeRate(rate) {}
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   virtual ~cCoordTopo() {};
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   double m_Az;         // Azimuth, radians
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   double m_El;         // Elevation, radians
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   double m_Range;      // Range, kilometers
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   double m_RangeRate;  // Range rate of change, km/sec
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                        // Negative value means "towards observer"
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};
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