source: Sophya/trunk/SophyaLib/Samba/vector3d.h@ 262

Last change on this file since 262 was 262, checked in by ansari, 26 years ago

Ajout de fichiers de calcul de geometrie Vector3d, UnitVector, Circle, de Benoit Revenu Reza 23/04/99
File size: 2.6 KB
Line 
1#ifndef VECTOR3D_H_SEEN
2#define VECTOR3D_H_SEEN
3
4#include <math.h>
5#include <iostream.h>
6#include <stdio.h>
7#include <string.h>
8#include "longlat.h"
9
10/*
11 Geometrie en dimension 3.
12 Tous les calculs sont faits en radians
13 et en coordonnees spheriques theta,phi
14 pour les rotations (angles d'Euler) ma source est
15 "Classical Mechanics" 2nd edition, H. Goldstein, Addison Wesley
16*/
17
18class Vector3d
19{
20
21 public:
22
23 Vector3d();
24 Vector3d(double x, double y, double z);
25 Vector3d(double theta, double phi);
26 Vector3d(const LongLat&);
27 Vector3d(const Vector3d&);
28
29 void Setxyz(double x, double y, double z);
30 void SetThetaPhi(double theta, double phi);
31 void ThetaPhi2xyz();
32 void xyz2ThetaPhi();
33 double Theta() const {return _theta;}
34 double Phi() const {return _phi;}
35 double X() const {return _x;}
36 double Y() const {return _y;}
37 double Z() const {return _z;}
38
39 Vector3d& Normalize();
40 double Norm() const;
41
42 // produit scalaire
43 double Psc(const Vector3d&) const;
44
45 // ecart angulaire entre 2 vecteurs dans [0,Pi]
46 double SepAngle(const Vector3d&) const;
47
48 // produit vectoriel
49 Vector3d Vect(const Vector3d&) const;
50
51 // vecteur perpendiculaire de meme phi
52 Vector3d VperpPhi() const;
53
54 // vecteur perpendiculaire de meme theta
55 Vector3d VperpTheta() const;
56
57 Vector3d ETheta() const;
58 Vector3d EPhi() const;
59
60 // rotations d'Euler
61 Vector3d Euler(double, double, double) const;
62
63 // rotation inverse
64 Vector3d InvEuler(double, double, double) const;
65
66 // rotation d'angle phi autour d'un axe omega (regle du tire-bouchon)
67 Vector3d Rotate(const Vector3d& omega,double phi);
68
69 virtual Vector3d& operator=(const Vector3d&);
70 virtual Vector3d& operator+=(const Vector3d&);
71 virtual Vector3d& operator-=(const Vector3d&);
72 virtual Vector3d operator+(const Vector3d&) const;
73 virtual Vector3d operator-(const Vector3d&) const;
74
75 Vector3d& operator+=(double);
76 Vector3d& operator/=(double);
77 Vector3d& operator*=(double);
78
79 Vector3d operator+(double) const;
80 Vector3d operator-(double) const;
81 Vector3d operator*(double) const;
82 Vector3d operator/(double) const;
83 Vector3d operator^(const Vector3d&) const; // produit vectoriel
84 double operator*(const Vector3d&) const; // produit scalaire
85 bool operator==(const Vector3d&);
86
87 virtual void Print(ostream& os) const;
88
89 protected:
90
91 double _x;
92 double _y;
93 double _z;
94 double _theta;
95 double _phi;
96
97};
98
99inline ostream& operator<<(ostream& s, const Vector3d& v)
100{
101 v.Print(s);
102 return s;
103}
104
105// fonctions globales
106
107inline Vector3d operator*(double d, const Vector3d& v)
108{
109 return v*d;
110}
111
112inline Vector3d operator+(double d, const Vector3d& v)
113{
114 return v+d;
115}
116
117#endif
118
119
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