yodaUtility/sgp4/cEci.h

//
// cEci.h
//
// Copyright (c) 2003 Michael F. Henry
//
#pragma once

#include "cVector.h"
#include "cJulian.h"
#include "coord.h"

//////////////////////////////////////////////////////////////////////
// class cEci
// Encapsulates an Earth-Centered Inertial position, velocity, and time.
class cEci
{
public:
   cEci() { m_VecUnits = UNITS_NONE; }
   cEci(const cCoordGeo &geo, const cJulian &cJulian);
   cEci(const cVector &pos, const cVector &vel, 
        const cJulian &date, bool IsAeUnits = true);
   virtual ~cEci() {};

   cCoordGeo toGeo(); 

   cVector getPos()  const { return m_pos;  }
   cVector getVel()  const { return m_vel;  }
   cJulian getDate() const { return m_date; }

   void setUnitsAe() { m_VecUnits = UNITS_AE; }
   void setUnitsKm() { m_VecUnits = UNITS_KM; }
   bool UnitsAreAe() const { return m_VecUnits == UNITS_AE; }
   bool UnitsAreKm() const { return m_VecUnits == UNITS_KM; }
   void ae2km();  // Convert position, velocity vector units from AE to km

protected:
   void MulPos(double factor) { m_pos.Mul(factor); }
   void MulVel(double factor) { m_vel.Mul(factor); }

   enum VecUnits
   {
      UNITS_NONE, // not initialized
      UNITS_AE,
      UNITS_KM,
   };

   cVector  m_pos;
   cVector  m_vel;
   cJulian  m_date;
   VecUnits m_VecUnits;
};
1	kusanagi	1.1	//
2			// cEci.h
3			//
4			// Copyright (c) 2003 Michael F. Henry
5			//
6			#pragma once
7
8			#include "cVector.h"
9			#include "cJulian.h"
10			#include "coord.h"
11
12			//////////////////////////////////////////////////////////////////////
13			// class cEci
14			// Encapsulates an Earth-Centered Inertial position, velocity, and time.
15			class cEci
16			{
17			public:
18			cEci() { m_VecUnits = UNITS_NONE; }
19			cEci(const cCoordGeo &geo, const cJulian &cJulian);
20			cEci(const cVector &pos, const cVector &vel,
21			const cJulian &date, bool IsAeUnits = true);
22			virtual ~cEci() {};
23
24			cCoordGeo toGeo();
25
26			cVector getPos() const { return m_pos; }
27			cVector getVel() const { return m_vel; }
28			cJulian getDate() const { return m_date; }
29
30			void setUnitsAe() { m_VecUnits = UNITS_AE; }
31			void setUnitsKm() { m_VecUnits = UNITS_KM; }
32			bool UnitsAreAe() const { return m_VecUnits == UNITS_AE; }
33			bool UnitsAreKm() const { return m_VecUnits == UNITS_KM; }
34			void ae2km(); // Convert position, velocity vector units from AE to km
35
36			protected:
37			void MulPos(double factor) { m_pos.Mul(factor); }
38			void MulVel(double factor) { m_vel.Mul(factor); }
39
40			enum VecUnits
41			{
42			UNITS_NONE, // not initialized
43			UNITS_AE,
44			UNITS_KM,
45			};
46
47			cVector m_pos;
48			cVector m_vel;
49			cJulian m_date;
50			VecUnits m_VecUnits;
51			};