Geant4 Cross Reference |
1 // -*- C++ -*- 1 2 // CLASSDOC OFF 3 // ------------------------------------------- 4 // CLASSDOC ON 5 // 6 // This file is a part of the CLHEP - a Class 7 // 8 // This is the definition of the HepRotationY 9 // around the X axis on objects of the Hep3Vec 10 // 11 // HepRotationY is a concrete implementation o 12 // 13 // .SS See Also 14 // RotationInterfaces.h 15 // ThreeVector.h, LorentzVector.h, LorentzRota 16 // 17 // .SS Author 18 // Mark Fischler 19 20 #ifndef HEP_ROTATIONY_H 21 #define HEP_ROTATIONY_H 22 23 #include "CLHEP/Vector/RotationInterfaces.h" 24 25 namespace CLHEP { 26 27 class HepRotationY; 28 class HepRotation; 29 class HepBoost; 30 31 inline HepRotationY inverseOf(const HepRotatio 32 // Returns the inverse of a RotationY. 33 34 /** 35 * @author 36 * @ingroup vector 37 */ 38 class HepRotationY { 39 40 public: 41 42 // ---------- Constructors and Assignment: 43 44 inline HepRotationY(); 45 // Default constructor. Gives an identity ro 46 47 HepRotationY(double delta); 48 // supply angle of rotation 49 50 inline HepRotationY(const HepRotationY & ori 51 inline HepRotationY(HepRotationY && orig) = 52 // Copy and move constructors. 53 54 inline HepRotationY & operator = (const HepR 55 inline HepRotationY & operator = (HepRotatio 56 // Copy and move assignments from a Rotation 57 58 HepRotationY & set ( double delta ); 59 // set angle of rotation 60 61 inline ~HepRotationY(); 62 // Trivial destructor. 63 64 // ---------- Accessors: 65 66 inline Hep3Vector colX() const; 67 inline Hep3Vector colY() const; 68 inline Hep3Vector colZ() const; 69 // orthogonal unit-length column vectors 70 71 inline Hep3Vector rowX() const; 72 inline Hep3Vector rowY() const; 73 inline Hep3Vector rowZ() const; 74 // orthogonal unit-length row vectors 75 76 inline double xx() const; 77 inline double xy() const; 78 inline double xz() const; 79 inline double yx() const; 80 inline double yy() const; 81 inline double yz() const; 82 inline double zx() const; 83 inline double zy() const; 84 inline double zz() const; 85 // Elements of the rotation matrix (Geant4). 86 87 inline HepRep3x3 rep3x3() const; 88 // 3x3 representation: 89 90 // ------------ Euler angles: 91 inline double getPhi () const; 92 inline double getTheta() const; 93 inline double getPsi () const; 94 double phi () const; 95 double theta() const; 96 double psi () const; 97 HepEulerAngles eulerAngles() const; 98 99 // ------------ axis & angle of rotation: 100 inline double getDelta() const; 101 inline Hep3Vector getAxis () const; 102 inline double delta() const; 103 inline Hep3Vector axis () const; 104 inline HepAxisAngle axisAngle() const; 105 inline void getAngleAxis(double & delta, He 106 // Returns the rotation angle and rotation a 107 108 // ------------- Angles of rotated axes 109 double phiX() const; 110 double phiY() const; 111 double phiZ() const; 112 double thetaX() const; 113 double thetaY() const; 114 double thetaZ() const; 115 // Return angles (RADS) made by rotated axes 116 117 // ---------- Other accessors treating pure 118 119 inline HepLorentzVector col1() const; 120 inline HepLorentzVector col2() const; 121 inline HepLorentzVector col3() const; 122 // orthosymplectic 4-vector columns - T com 123 124 inline HepLorentzVector col4() const; 125 // Will be (0,0,0,1) for this pure Rotation. 126 127 inline HepLorentzVector row1() const; 128 inline HepLorentzVector row2() const; 129 inline HepLorentzVector row3() const; 130 // orthosymplectic 4-vector rows - T compon 131 132 inline HepLorentzVector row4() const; 133 // Will be (0,0,0,1) for this pure Rotation. 134 135 inline double xt() const; 136 inline double yt() const; 137 inline double zt() const; 138 inline double tx() const; 139 inline double ty() const; 140 inline double tz() const; 141 // Will be zero for this pure Rotation 142 143 inline double tt() const; 144 // Will be one for this pure Rotation 145 146 inline HepRep4x4 rep4x4() const; 147 // 4x4 representation. 148 149 // --------- Mutators 150 151 void setDelta (double delta); 152 // change angle of rotation, leaving rotatio 153 154 // ---------- Decomposition: 155 156 void decompose (HepAxisAngle & rotation, Hep 157 void decompose (Hep3Vector & boost, HepAxisA 158 void decompose (HepRotation & rotation, HepB 159 void decompose (HepBoost & boost, HepRotatio 160 // These are trivial, as the boost vector i 161 162 // ---------- Comparisons: 163 164 inline bool isIdentity() const; 165 // Returns true if the identity matrix (Gean 166 167 inline int compare( const HepRotationY & r 168 // Dictionary-order comparison, in order of 169 // Used in operator<, >, <=, >= 170 171 inline bool operator== ( const HepRotationY 172 inline bool operator!= ( const HepRotationY 173 inline bool operator< ( const HepRotationY 174 inline bool operator> ( const HepRotationY 175 inline bool operator<= ( const HepRotationY 176 inline bool operator>= ( const HepRotationY 177 178 double distance2( const HepRotationY & r ) 179 // 3 - Tr ( this/r ) 180 181 double distance2( const HepRotation & r ) 182 // 3 - Tr ( this/r ) -- This works with Rota 183 184 double howNear( const HepRotationY & r ) con 185 double howNear( const HepRotation & r ) con 186 bool isNear( const HepRotationY & r, 187 double epsilon=Hep4RotationInterf 188 bool isNear( const HepRotation & r, 189 double epsilon=Hep4RotationInterf 190 191 double distance2( const HepBoost & 192 // 3 - Tr ( this ) + |b|^2 / (1-|b|^2) 193 double distance2( const HepLorentzRotation & 194 // 3 - Tr ( this/r ) + |b|^2 / (1-|b|^2) whe 195 196 double howNear( const HepBoost & l 197 double howNear( const HepLorentzRotation & l 198 bool isNear( const HepBoost & lt, 199 double epsilon=Hep4RotationInterf 200 bool isNear( const HepLorentzRotation & lt, 201 double epsilon=Hep4RotationInterf 202 203 // ---------- Properties: 204 205 double norm2() const; 206 // distance2 (IDENTITY), which is 3 - Tr ( * 207 208 inline void rectify(); 209 // non-const but logically moot correction f 210 211 // ---------- Application: 212 213 inline Hep3Vector operator() (const Hep3Vect 214 // Rotate a Hep3Vector. 215 216 inline Hep3Vector operator * (const Hep3Vec 217 // Multiplication with a Hep3Vector. 218 219 inline HepLorentzVector operator()( const He 220 // Rotate (the space part of) a HepLorentzVe 221 222 inline HepLorentzVector operator* ( const H 223 // Multiplication with a HepLorentzVector. 224 225 // ---------- Operations in the group of Rot 226 227 inline HepRotationY operator * (const HepRot 228 // Product of two Y rotations (this) * ry is 229 230 inline HepRotationY & operator *= (const He 231 inline HepRotationY & transform (const He 232 // Matrix multiplication. 233 // Note a *= b; <=> a = a * b; while a.trans 234 // However, in this special case, they commu 235 236 inline HepRotationY inverse() const; 237 // Returns the inverse. 238 239 friend HepRotationY inverseOf(const HepRotat 240 // Returns the inverse of a RotationY. 241 242 inline HepRotationY & invert(); 243 // Inverts the Rotation matrix (be negating 244 245 // ---------- I/O: 246 247 std::ostream & print( std::ostream & os ) co 248 // Output, identifying type of rotation and 249 250 // ---------- Tolerance 251 252 static inline double getTolerance(); 253 static inline double setTolerance(double tol 254 255 protected: 256 257 double its_d; 258 // The angle of rotation. 259 260 double its_s; 261 double its_c; 262 // Cache the trig functions, for rapid opera 263 264 inline HepRotationY ( double dd, double ss, 265 // Unchecked load-the-data-members 266 267 static inline double proper (double delta); 268 // Put an angle into the range of (-PI, PI]. 269 270 }; // HepRotationY 271 272 // ---------- Free-function operations in the 273 274 inline 275 std::ostream & operator << 276 ( std::ostream & os, const HepRotationY & r 277 278 } // namespace CLHEP 279 280 #include "CLHEP/Vector/RotationY.icc" 281 282 #endif /* HEP_ROTATIONY_H */ 283 284