| 1 | #ifndef COORD_H
|
|---|
| 2 | #define COORD_H
|
|---|
| 3 |
|
|---|
| 4 | #include <math.h> // floor
|
|---|
| 5 | #include <iostream>
|
|---|
| 6 |
|
|---|
| 7 | #include "MAGIC.h"
|
|---|
| 8 |
|
|---|
| 9 | /* pi/180: degrees to radians */
|
|---|
| 10 | const double kDeg2Rad = 0.017453292519943295769236907684886127134428718885417;
|
|---|
| 11 |
|
|---|
| 12 | /* 180/pi: radians to degrees */
|
|---|
| 13 | //const double kRad2Deg = 57.295779513082320876798154814105170332405472466564;
|
|---|
| 14 |
|
|---|
| 15 | /* pi/2: 90 degrees in radians */
|
|---|
| 16 | const double kPiDiv2 = 1.5707963267948966192313216916397514420985846996876;
|
|---|
| 17 |
|
|---|
| 18 | /* 2pi */
|
|---|
| 19 | const double k2Pi = 6.2831853071795864769252867665590057683943387987502;
|
|---|
| 20 |
|
|---|
| 21 | class Deg
|
|---|
| 22 | {
|
|---|
| 23 | protected:
|
|---|
| 24 | double fDeg;
|
|---|
| 25 |
|
|---|
| 26 | public:
|
|---|
| 27 | Deg(const double d) : fDeg(d) {}
|
|---|
| 28 | Deg(const Deg &c) { fDeg = c.fDeg; }
|
|---|
| 29 |
|
|---|
| 30 | void Set(double d) { fDeg=d; }
|
|---|
| 31 |
|
|---|
| 32 | double operator()() { return fDeg; }
|
|---|
| 33 |
|
|---|
| 34 | operator double() const { return fDeg*kDeg2Rad; }
|
|---|
| 35 | };
|
|---|
| 36 |
|
|---|
| 37 | class XY
|
|---|
| 38 | {
|
|---|
| 39 | friend istream& operator>>(istream &in, XY &xy);
|
|---|
| 40 | friend ostream& operator<<(ostream &in, XY &xy);
|
|---|
| 41 |
|
|---|
| 42 | protected:
|
|---|
| 43 | double fX;
|
|---|
| 44 | double fY;
|
|---|
| 45 |
|
|---|
| 46 | public:
|
|---|
| 47 | XY(double x=0, double y=0) : fX(x), fY(y) {}
|
|---|
| 48 | XY(const XY &c) { fX = c.fX; fY = c.fY; }
|
|---|
| 49 |
|
|---|
| 50 | void Set(double x, double y) { fX=x; fY=y; }
|
|---|
| 51 |
|
|---|
| 52 | double X() const { return fX; }
|
|---|
| 53 | double Y() const { return fY; }
|
|---|
| 54 |
|
|---|
| 55 | void X(double x) { fX=x; }
|
|---|
| 56 | void Y(double y) { fY=y; }
|
|---|
| 57 |
|
|---|
| 58 | void operator/=(double c) { fX/=c; fY/=c; }
|
|---|
| 59 | void operator*=(double c) { fX*=c; fY*=c; }
|
|---|
| 60 |
|
|---|
| 61 | XY operator/(double c) const { return XY(fX/c, fY/c); }
|
|---|
| 62 | XY operator*(double c) const { return XY(fX*c, fY*c); }
|
|---|
| 63 | XY operator*(const XY &c) const { return XY(fX*c.fX, fY*c.fY); }
|
|---|
| 64 | XY operator/(const XY &c) const { return XY(fX/c.fX, fY/c.fY); }
|
|---|
| 65 | XY operator+(const XY &c) const { return XY(fX+c.fX, fY+c.fY); }
|
|---|
| 66 | XY operator-(const XY &c) const { return XY(fX-c.fX, fY-c.fY); }
|
|---|
| 67 | XY operator-() const { return XY(-fX, -fY); }
|
|---|
| 68 |
|
|---|
| 69 | double Sqr() const { return fX*fX + fY*fY; }
|
|---|
| 70 | double Sqrt() const { return sqrt(Sqr()); }
|
|---|
| 71 | double Ratio() const { return fX/fY; }
|
|---|
| 72 | void Round() { fX=(int)(floor(fX+.5)); fY=(int)(floor(fY+.5)); }
|
|---|
| 73 | };
|
|---|
| 74 |
|
|---|
| 75 | inline std::istream& operator>>(std::istream &in, XY &xy) { in >> xy.fX; in >> xy.fY; return in; }
|
|---|
| 76 | inline std::ostream& operator<<(std::ostream &out, const XY &xy) { out << xy.X() << " " << xy.Y(); return out; }
|
|---|
| 77 |
|
|---|
| 78 | class AltAz : public XY
|
|---|
| 79 | {
|
|---|
| 80 | public:
|
|---|
| 81 | AltAz(double alt=0, double az=0) : XY(alt, az) {}
|
|---|
| 82 |
|
|---|
| 83 | double Alt() const { return fX; }
|
|---|
| 84 | double Az() const { return fY; }
|
|---|
| 85 |
|
|---|
| 86 | void operator*=(double c) { fX*=c; fY*=c; }
|
|---|
| 87 | void operator/=(double c) { fX*=c; fY*=c; }
|
|---|
| 88 |
|
|---|
| 89 | void Alt(double d) { fX=d; }
|
|---|
| 90 | void Az(double d) { fY=d; }
|
|---|
| 91 | void operator*=(const XY &c) { fX*=c.X(); fY*=c.Y(); }
|
|---|
| 92 | void operator/=(const XY &c) { fX/=c.X(); fY/=c.Y(); }
|
|---|
| 93 | void operator-=(const AltAz &c) { fX-=c.fX; fY-=c.fY; }
|
|---|
| 94 | void operator+=(const AltAz &c) { fX+=c.fX; fY+=c.fY; }
|
|---|
| 95 |
|
|---|
| 96 | AltAz operator/(double c) const { return AltAz(fX/c, fY/c); }
|
|---|
| 97 | AltAz operator*(double c) const { return AltAz(fX*c, fY*c); }
|
|---|
| 98 | AltAz operator*(const XY &c) const { return AltAz(fX*c.X(), fY*c.Y()); }
|
|---|
| 99 | AltAz operator/(const XY &c) const { return AltAz(fX/c.X(), fY/c.Y()); }
|
|---|
| 100 | AltAz operator+(const AltAz &c) const { return AltAz(fX+c.fX, fY+c.fY); }
|
|---|
| 101 | AltAz operator-(const AltAz &c) const { return AltAz(fX-c.fX, fY-c.fY); }
|
|---|
| 102 | AltAz operator-() const { return AltAz(-fX, -fY); }
|
|---|
| 103 | };
|
|---|
| 104 |
|
|---|
| 105 | class ZdAz : public XY
|
|---|
| 106 | {
|
|---|
| 107 | public:
|
|---|
| 108 | ZdAz(double zd=0, double az=0) : XY(zd, az) {}
|
|---|
| 109 | ZdAz(const ZdAz &c) : XY(c) {}
|
|---|
| 110 |
|
|---|
| 111 | void operator*=(double c) { fX*=c; fY*=c; }
|
|---|
| 112 | void operator/=(double c) { fX*=c; fY*=c; }
|
|---|
| 113 |
|
|---|
| 114 | double Zd() const { return fX; }
|
|---|
| 115 | double Az() const { return fY; }
|
|---|
| 116 |
|
|---|
| 117 | void Zd(double d) { fX=d; }
|
|---|
| 118 | void Az(double d) { fY=d; }
|
|---|
| 119 | void operator*=(const XY &c) { fX*=c.X(); fY*=c.Y(); }
|
|---|
| 120 | void operator/=(const XY &c) { fX/=c.X(); fY/=c.Y(); }
|
|---|
| 121 | void operator-=(const ZdAz &c) { fX-=c.fX; fY-=c.fY; }
|
|---|
| 122 | void operator+=(const ZdAz &c) { fX+=c.fX; fY+=c.fY; }
|
|---|
| 123 |
|
|---|
| 124 | ZdAz operator/(double c) const { return ZdAz(fX/c, fY/c); }
|
|---|
| 125 | ZdAz operator*(double c) const { return ZdAz(fX*c, fY*c); }
|
|---|
| 126 | ZdAz operator*(const XY &c) const { return ZdAz(fX*c.X(), fY*c.Y()); }
|
|---|
| 127 | ZdAz operator/(const XY &c) const { return ZdAz(fX/c.X(), fY/c.Y()); }
|
|---|
| 128 | ZdAz operator+(const ZdAz &c) const { return ZdAz(fX+c.fX, fY+c.fY); }
|
|---|
| 129 | ZdAz operator-(const ZdAz &c) const { return ZdAz(fX-c.fX, fY-c.fY); }
|
|---|
| 130 | ZdAz operator-() const { return ZdAz(-fX, -fY); }
|
|---|
| 131 | };
|
|---|
| 132 |
|
|---|
| 133 | class RaDec : public XY
|
|---|
| 134 | {
|
|---|
| 135 | public:
|
|---|
| 136 | RaDec(double ra=0, double dec=0) : XY(ra, dec) {}
|
|---|
| 137 |
|
|---|
| 138 | double Ra() const { return fX; }
|
|---|
| 139 | double Dec() const { return fY; }
|
|---|
| 140 |
|
|---|
| 141 | void operator*=(double c) { fX*=c; fY*=c; }
|
|---|
| 142 | void operator/=(double c) { fX*=c; fY*=c; }
|
|---|
| 143 |
|
|---|
| 144 | void Ra(double x) { fX = x; }
|
|---|
| 145 | void Dec(double y) { fY = y; }
|
|---|
| 146 |
|
|---|
| 147 | RaDec operator/(double c) const { return RaDec(fX/c, fY/c); }
|
|---|
| 148 | RaDec operator*(double c) const { return RaDec(fX*c, fY*c); }
|
|---|
| 149 | RaDec operator*(const XY &c) const { return RaDec(fX*c.X(), fY*c.Y()); }
|
|---|
| 150 | RaDec operator+(const RaDec &c) const { return RaDec(fX+c.fX, fY+c.fY); }
|
|---|
| 151 | RaDec operator-(const RaDec &c) const { return RaDec(fX-c.fX, fY-c.fY); }
|
|---|
| 152 | RaDec operator-() const { return RaDec(-fX, -fY); }
|
|---|
| 153 | };
|
|---|
| 154 |
|
|---|
| 155 | inline double Rad2Deg(double rad)
|
|---|
| 156 | {
|
|---|
| 157 | return kRad2Deg*rad;
|
|---|
| 158 | }
|
|---|
| 159 |
|
|---|
| 160 | inline double Deg2Rad(double rad)
|
|---|
| 161 | {
|
|---|
| 162 | return kDeg2Rad*rad;
|
|---|
| 163 | }
|
|---|
| 164 | #endif
|
|---|
