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	//
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	};