| | 1 | /************************************************************************** |
| | 2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| | 3 | * * |
| | 4 | * Author: The ALICE Off-line Project. * |
| | 5 | * Contributors are mentioned in the code where appropriate. * |
| | 6 | * * |
| | 7 | * Permission to use, copy, modify and distribute this software and its * |
| | 8 | * documentation strictly for non-commercial purposes is hereby granted * |
| | 9 | * without fee, provided that the above copyright notice appears in all * |
| | 10 | * copies and that both the copyright notice and this permission notice * |
| | 11 | * appear in the supporting documentation. The authors make no claims * |
| | 12 | * about the suitability of this software for any purpose. It is * |
| | 13 | * provided "as is" without express or implied warranty. * |
| | 14 | **************************************************************************/ |
| | 15 | |
| | 16 | /* |
| | 17 | $Id$ |
| | 18 | */ |
| | 19 | /* |
| | 20 | This is the implementation file for AliITSgeomMatrix class. It |
| | 21 | contains the routines to manipulate, setup, and queary the geometry |
| | 22 | of a given ITS module. An ITS module may be one of at least three |
| | 23 | ITS detector technologies, Silicon Pixel, Drift, or Strip Detectors, |
| | 24 | and variations of these in size and/or layout. These routines let |
| | 25 | one go between ALICE global coordiantes (cm) to a given modules |
| | 26 | specific local coordinates (cm). |
| | 27 | */ |
| | 28 | #include <ctype.h> |
| | 29 | #include <Riostream.h> |
| | 30 | #include <TMath.h> |
| | 31 | #include <TBuffer.h> |
| | 32 | #include <TClass.h> |
| | 33 | #include <TCanvas.h> |
| | 34 | #include <TView.h> |
| | 35 | #include <TPolyLine3D.h> |
| | 36 | //#include <TPolyLineShape.h> |
| | 37 | #include <TNode.h> |
| | 38 | #include <TPCON.h> |
| | 39 | #include <TBRIK.h> |
| | 40 | #include <TXTRU.h> |
| | 41 | |
| | 42 | #include "AliITSgeomMatrix.h" |
| | 43 | |
| | 44 | ClassImp(AliITSgeomMatrix) |
| | 45 | //---------------------------------------------------------------------- |
| | 46 | AliITSgeomMatrix::AliITSgeomMatrix(): |
| | 47 | TObject(), |
| | 48 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) |
| | 49 | fid(), // layer, ladder, detector numbers. |
| | 50 | frot(), //! vector of rotations about x,y,z [radians]. |
| | 51 | ftran(), // Translation vector of module x,y,z. |
| | 52 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| | 53 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| | 54 | fm(), // Rotation matrix based on frot. |
| | 55 | fPath(){ // Path in geometry to this module |
| | 56 | // The Default constructor for the AliITSgeomMatrix class. By Default |
| | 57 | // the angles of rotations are set to zero, meaning that the rotation |
| | 58 | // matrix is the unit matrix. The translation vector is also set to |
| | 59 | // zero as are the module id number. The detector type is set to -1 |
| | 60 | // (an undefined value). The full rotation matrix is kept so that |
| | 61 | // the evaluation of a coordinate transformation can be done |
| | 62 | // quickly and with a minimum of CPU overhead. The basic coordinate |
| | 63 | // systems are the ALICE global coordinate system and the detector |
| | 64 | // local coordinate system. In general this structure is not limited |
| | 65 | // to just those two coordinate systems. |
| | 66 | //Begin_Html |
| | 67 | /* |
| | 68 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| | 69 | */ |
| | 70 | //End_Html |
| | 71 | // Inputs: |
| | 72 | // none. |
| | 73 | // Outputs: |
| | 74 | // none. |
| | 75 | // Return: |
| | 76 | // A default constructes AliITSgeomMatrix class. |
| | 77 | Int_t i,j; |
| | 78 | |
| | 79 | fDetectorIndex = -1; // a value never defined. |
| | 80 | for(i=0;i<3;i++){ |
| | 81 | fid[i] = 0; |
| | 82 | frot[i] = ftran[i] = 0.0; |
| | 83 | for(j=0;j<3;j++) fm[i][j] = 0.0; |
| | 84 | fCylR = fCylPhi = 0.0; |
| | 85 | }// end for i |
| | 86 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; |
| | 87 | } |
| | 88 | //---------------------------------------------------------------------- |
| | 89 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &sourse) : |
| | 90 | TObject(sourse){ |
| | 91 | // The standard Copy constructor. This make a full / proper copy of |
| | 92 | // this class. |
| | 93 | // Inputs: |
| | 94 | // AliITSgeomMatrix &source The source of this copy |
| | 95 | // Outputs: |
| | 96 | // none. |
| | 97 | // Return: |
| | 98 | // A copy constructes AliITSgeomMatrix class. |
| | 99 | Int_t i,j; |
| | 100 | |
| | 101 | this->fDetectorIndex = sourse.fDetectorIndex; |
| | 102 | for(i=0;i<3;i++){ |
| | 103 | this->fid[i] = sourse.fid[i]; |
| | 104 | this->frot[i] = sourse.frot[i]; |
| | 105 | this->ftran[i] = sourse.ftran[i]; |
| | 106 | this->fCylR = sourse.fCylR; |
| | 107 | this->fCylPhi = sourse.fCylPhi; |
| | 108 | for(j=0;j<3;j++) this->fm[i][j] = sourse.fm[i][j]; |
| | 109 | }// end for i |
| | 110 | this->fPath = sourse.fPath; |
| | 111 | } |
| | 112 | //---------------------------------------------------------------------- |
| | 113 | void AliITSgeomMatrix::operator=(const AliITSgeomMatrix &sourse){ |
| | 114 | // The standard = operator. This make a full / proper copy of |
| | 115 | // this class. |
| | 116 | // The standard Copy constructor. This make a full / proper copy of |
| | 117 | // this class. |
| | 118 | // Inputs: |
| | 119 | // AliITSgeomMatrix &source The source of this copy |
| | 120 | // Outputs: |
| | 121 | // none. |
| | 122 | // Return: |
| | 123 | // A copy of the source AliITSgeomMatrix class. |
| | 124 | Int_t i,j; |
| | 125 | |
| | 126 | this->fDetectorIndex = sourse.fDetectorIndex; |
| | 127 | for(i=0;i<3;i++){ |
| | 128 | this->fid[i] = sourse.fid[i]; |
| | 129 | this->frot[i] = sourse.frot[i]; |
| | 130 | this->ftran[i] = sourse.ftran[i]; |
| | 131 | this->fCylR = sourse.fCylR; |
| | 132 | this->fCylPhi = sourse.fCylPhi; |
| | 133 | for(j=0;j<3;j++) this->fm[i][j] = sourse.fm[i][j]; |
| | 134 | }// end for i |
| | 135 | this->fPath = sourse.fPath; |
| | 136 | } |
| | 137 | //---------------------------------------------------------------------- |
| | 138 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
| | 139 | const Double_t rot[3],const Double_t tran[3]): |
| | 140 | TObject(), |
| | 141 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) |
| | 142 | fid(), // layer, ladder, detector numbers. |
| | 143 | frot(), //! vector of rotations about x,y,z [radians]. |
| | 144 | ftran(), // Translation vector of module x,y,z. |
| | 145 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| | 146 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| | 147 | fm(), // Rotation matrix based on frot. |
| | 148 | fPath(){ // Path in geometry to this moduel |
| | 149 | // This is a constructor for the AliITSgeomMatrix class. The matrix is |
| | 150 | // defined by 3 standard rotation angles [radians], and the translation |
| | 151 | // vector tran [cm]. In addition the layer, ladder, and detector number |
| | 152 | // for this particular module and the type of module must be given. |
| | 153 | // The full rotation matrix is kept so that the evaluation |
| | 154 | // of a coordinate transformation can be done quickly and with a minimum |
| | 155 | // of CPU overhead. The basic coordinate systems are the ALICE global |
| | 156 | // coordinate system and the detector local coordinate system. In general |
| | 157 | // this structure is not limited to just those two coordinate systems. |
| | 158 | //Begin_Html |
| | 159 | /* |
| | 160 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| | 161 | */ |
| | 162 | //End_Html |
| | 163 | // Inputs: |
| | 164 | // Int_t idt The detector index value |
| | 165 | // Int_t id[3] The layer, ladder, and detector numbers |
| | 166 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] |
| | 167 | // Double_t tran[3] The 3 Cartician translation distnaces |
| | 168 | // Outputs: |
| | 169 | // none. |
| | 170 | // Return: |
| | 171 | // A properly inilized AliITSgeomMatrix class. |
| | 172 | Int_t i; |
| | 173 | |
| | 174 | fDetectorIndex = idt; // a value never defined. |
| | 175 | for(i=0;i<3;i++){ |
| | 176 | fid[i] = id[i]; |
| | 177 | frot[i] = rot[i]; |
| | 178 | ftran[i] = tran[i]; |
| | 179 | }// end for i |
| | 180 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| | 181 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| | 182 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| | 183 | this->MatrixFromAngle(); |
| | 184 | } |
| | 185 | //---------------------------------------------------------------------- |
| | 186 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
| | 187 | Double_t matrix[3][3], |
| | 188 | const Double_t tran[3]): |
| | 189 | TObject(), |
| | 190 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) |
| | 191 | fid(), // layer, ladder, detector numbers. |
| | 192 | frot(), //! vector of rotations about x,y,z [radians]. |
| | 193 | ftran(), // Translation vector of module x,y,z. |
| | 194 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| | 195 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| | 196 | fm(), // Rotation matrix based on frot. |
| | 197 | fPath(){ // Path in geometry to this module |
| | 198 | // This is a constructor for the AliITSgeomMatrix class. The |
| | 199 | // rotation matrix is given as one of the inputs, and the |
| | 200 | // translation vector tran [cm]. In addition the layer, ladder, |
| | 201 | // and detector number for this particular module and the type of |
| | 202 | // module must be given. The full rotation matrix is kept so that |
| | 203 | // the evaluation of a coordinate transformation can be done quickly |
| | 204 | // and with a minimum of CPU overhead. The basic coordinate systems |
| | 205 | // are the ALICE global coordinate system and the detector local |
| | 206 | // coordinate system. In general this structure is not limited to just |
| | 207 | // those two coordinate systems. |
| | 208 | //Begin_Html |
| | 209 | /* |
| | 210 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| | 211 | */ |
| | 212 | //End_Html |
| | 213 | // Inputs: |
| | 214 | // Int_t idt The detector index value |
| | 215 | // Int_t id[3] The layer, ladder, and detector numbers |
| | 216 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix |
| | 217 | // Double_t tran[3] The 3 Cartician translation distnaces |
| | 218 | // Outputs: |
| | 219 | // none. |
| | 220 | // Return: |
| | 221 | // A properly inilized AliITSgeomMatrix class. |
| | 222 | Int_t i,j; |
| | 223 | |
| | 224 | fDetectorIndex = idt; // a value never defined. |
| | 225 | for(i=0;i<3;i++){ |
| | 226 | fid[i] = id[i]; |
| | 227 | ftran[i] = tran[i]; |
| | 228 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; |
| | 229 | }// end for i |
| | 230 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| | 231 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| | 232 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| | 233 | this->AngleFromMatrix(); |
| | 234 | } |
| | 235 | //---------------------------------------------------------------------- |
| | 236 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
| | 237 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
| | 238 | // the array ang which must be at least [6] long. |
| | 239 | // Inputs: |
| | 240 | // none. |
| | 241 | // Outputs: |
| | 242 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
| | 243 | // Return: |
| | 244 | // noting |
| | 245 | Double_t si,c=180./TMath::Pi(); |
| | 246 | |
| | 247 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); |
| | 248 | if(TMath::Cos(ang[1])!=0.0) si = fm[0][0]/TMath::Cos(ang[1]); |
| | 249 | else si = fm[0][1]/TMath::Sin(ang[1]); |
| | 250 | ang[0] = TMath::ATan2(si,fm[0][2]); |
| | 251 | |
| | 252 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); |
| | 253 | if(TMath::Cos(ang[3])!=0.0) si = fm[1][0]/TMath::Cos(ang[3]); |
| | 254 | else si = fm[1][1]/TMath::Sin(ang[3]); |
| | 255 | ang[2] = TMath::ATan2(si,fm[1][2]); |
| | 256 | |
| | 257 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
| | 258 | if(TMath::Cos(ang[5])!=0.0) si = fm[2][0]/TMath::Cos(ang[5]); |
| | 259 | else si = fm[2][1]/TMath::Sin(ang[5]); |
| | 260 | ang[4] = TMath::ATan2(si,fm[2][2]); |
| | 261 | |
| | 262 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} |
| | 263 | } |
| | 264 | //---------------------------------------------------------------------- |
| | 265 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ |
| | 266 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
| | 267 | // set the rotations matrix and 3 standard rotation angles [radians]. |
| | 268 | // These angles and rotation matrix are overwrite the existing values in |
| | 269 | // this class. |
| | 270 | // Inputs: |
| | 271 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
| | 272 | // Outputs: |
| | 273 | // none. |
| | 274 | // Return: |
| | 275 | // noting |
| | 276 | Int_t i,j; |
| | 277 | Double_t si,lr[9],c=TMath::Pi()/180.; |
| | 278 | |
| | 279 | si = TMath::Sin(c*ang[0]); |
| | 280 | if(ang[0]== 90.0) si = +1.0; |
| | 281 | if(ang[0]==270.0) si = -1.0; |
| | 282 | if(ang[0]== 0.0||ang[0]==180.) si = 0.0; |
| | 283 | lr[0] = si * TMath::Cos(c*ang[1]); |
| | 284 | lr[1] = si * TMath::Sin(c*ang[1]); |
| | 285 | lr[2] = TMath::Cos(c*ang[0]); |
| | 286 | if(ang[0]== 90.0||ang[0]==270.) lr[2] = 0.0; |
| | 287 | if(ang[0]== 0.0) lr[2] = +1.0; |
| | 288 | if(ang[0]==180.0) lr[2] = -1.0; |
| | 289 | // |
| | 290 | si = TMath::Sin(c*ang[2]); |
| | 291 | if(ang[2]== 90.0) si = +1.0; |
| | 292 | if(ang[2]==270.0) si = -1.0; |
| | 293 | if(ang[2]== 0.0||ang[2]==180.) si = 0.0; |
| | 294 | lr[3] = si * TMath::Cos(c*ang[3]); |
| | 295 | lr[4] = si * TMath::Sin(c*ang[3]); |
| | 296 | lr[5] = TMath::Cos(c*ang[2]); |
| | 297 | if(ang[2]== 90.0||ang[2]==270.) lr[5] = 0.0; |
| | 298 | if(ang[2]== 0.0) lr[5] = +1.0; |
| | 299 | if(ang[2]==180.0) lr[5] = -1.0; |
| | 300 | // |
| | 301 | si = TMath::Sin(c*ang[4]); |
| | 302 | if(ang[4]== 90.0) si = +1.0; |
| | 303 | if(ang[4]==270.0) si = -1.0; |
| | 304 | if(ang[4]== 0.0||ang[4]==180.) si = 0.0; |
| | 305 | lr[6] = si * TMath::Cos(c*ang[5]); |
| | 306 | lr[7] = si * TMath::Sin(c*ang[5]); |
| | 307 | lr[8] = TMath::Cos(c*ang[4]); |
| | 308 | if(ang[4]== 90.0||ang[4]==270.0) lr[8] = 0.0; |
| | 309 | if(ang[4]== 0.0) lr[8] = +1.0; |
| | 310 | if(ang[4]==180.0) lr[8] = -1.0; |
| | 311 | // Normalize these elements and fill matrix fm. |
| | 312 | for(i=0;i<3;i++){// reuse si. |
| | 313 | si = 0.0; |
| | 314 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; |
| | 315 | si = TMath::Sqrt(1./si); |
| | 316 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; |
| | 317 | } // end for i |
| | 318 | this->AngleFromMatrix(); |
| | 319 | } |
| | 320 | //---------------------------------------------------------------------- |
| | 321 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, |
| | 322 | Int_t idt,const Int_t id[3], |
| | 323 | const Double_t tran[3]){ |
| | 324 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
| | 325 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and |
| | 326 | // the translation vector tran [cm]. In addition the layer, ladder, |
| | 327 | // and detector number for this particular module and the type of |
| | 328 | // module must be given. The full rotation matrix is kept so that |
| | 329 | // the evaluation of a coordinate transformation can be done |
| | 330 | // quickly and with a minimum of CPU overhead. The basic coordinate |
| | 331 | // systems are the ALICE global coordinate system and the detector |
| | 332 | // local coordinate system. In general this structure is not limited |
| | 333 | // to just those two coordinate systems. |
| | 334 | //Begin_Html |
| | 335 | /* |
| | 336 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| | 337 | */ |
| | 338 | //End_Html |
| | 339 | // Inputs: |
| | 340 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] |
| | 341 | // Int_t idt The module Id number |
| | 342 | // Int_t id[3] The layer, ladder and detector number |
| | 343 | // Double_t tran[3] The translation vector |
| | 344 | Int_t i; |
| | 345 | |
| | 346 | fDetectorIndex = idt; // a value never defined. |
| | 347 | for(i=0;i<3;i++){ |
| | 348 | fid[i] = id[i]; |
| | 349 | ftran[i] = tran[i]; |
| | 350 | }// end for i |
| | 351 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| | 352 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| | 353 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| | 354 | this->MatrixFromSixAngles(rotd); |
| | 355 | } |
| | 356 | //---------------------------------------------------------------------- |
| | 357 | void AliITSgeomMatrix::AngleFromMatrix(){ |
| | 358 | // Computes the angles from the rotation matrix up to a phase of |
| | 359 | // 180 degrees. |
| | 360 | // Inputs: |
| | 361 | // none |
| | 362 | // Outputs: |
| | 363 | // none |
| | 364 | // Return: |
| | 365 | // none |
| | 366 | Double_t rx,ry,rz; |
| | 367 | // get angles from matrix up to a phase of 180 degrees. |
| | 368 | |
| | 369 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); |
| | 370 | ry = TMath::ASin(fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
| | 371 | rz = TMath::ATan2(fm[1][1],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
| | 372 | frot[0] = rx; |
| | 373 | frot[1] = ry; |
| | 374 | frot[2] = rz; |
| | 375 | return; |
| | 376 | } |
| | 377 | //---------------------------------------------------------------------- |
| | 378 | void AliITSgeomMatrix::MatrixFromAngle(){ |
| | 379 | // Computes the Rotation matrix from the angles [radians] kept in this |
| | 380 | // class. |
| | 381 | // Inputs: |
| | 382 | // none |
| | 383 | // Outputs: |
| | 384 | // none |
| | 385 | // Return: |
| | 386 | // none |
| | 387 | Double_t sx,sy,sz,cx,cy,cz; |
| | 388 | |
| | 389 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); |
| | 390 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); |
| | 391 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); |
| | 392 | fm[0][0] = cz*cy; // fr[0] |
| | 393 | fm[0][1] = -cz*sy*sx - sz*cx; // fr[1] |
| | 394 | fm[0][2] = -cz*sy*cx + sz*sx; // fr[2] |
| | 395 | fm[1][0] = sz*cy; // fr[3] |
| | 396 | fm[1][1] = -sz*sy*sx + cz*cx; // fr[4] |
| | 397 | fm[1][2] = -sz*sy*cx - cz*sx; // fr[5] |
| | 398 | fm[2][0] = sy; // fr[6] |
| | 399 | fm[2][1] = cy*sx; // fr[7] |
| | 400 | fm[2][2] = cy*cx; // fr[8] |
| | 401 | |
| | 402 | } |
| | 403 | //---------------------------------------------------------------------- |
| | 404 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
| | 405 | // Returns the local coordinates given the global coordinates [cm]. |
| | 406 | // Inputs: |
| | 407 | // Double_t g[3] The position represented in the ALICE |
| | 408 | // global coordinate system |
| | 409 | // Outputs: |
| | 410 | // Double_t l[3] The poistion represented in the local |
| | 411 | // detector coordiante system |
| | 412 | // Return: |
| | 413 | // none |
| | 414 | Int_t i,j; |
| | 415 | Double_t g[3]; |
| | 416 | |
| | 417 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; |
| | 418 | for(i=0;i<3;i++){ |
| | 419 | l[i] = 0.0; |
| | 420 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
| | 421 | // g = R l + translation |
| | 422 | } // end for i |
| | 423 | return; |
| | 424 | } |
| | 425 | //---------------------------------------------------------------------- |
| | 426 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
| | 427 | // Returns the global coordinates given the local coordinates [cm]. |
| | 428 | // Inputs: |
| | 429 | // Double_t l[3] The poistion represented in the detector |
| | 430 | // local coordinate system |
| | 431 | // Outputs: |
| | 432 | // Double_t g[3] The poistion represented in the ALICE |
| | 433 | // Global coordinate system |
| | 434 | // Return: |
| | 435 | // none. |
| | 436 | Int_t i,j; |
| | 437 | |
| | 438 | for(i=0;i<3;i++){ |
| | 439 | g[i] = 0.0; |
| | 440 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
| | 441 | g[i] += ftran[i]; |
| | 442 | // g = R^t l + translation |
| | 443 | } // end for i |
| | 444 | return; |
| | 445 | } |
| | 446 | //---------------------------------------------------------------------- |
| | 447 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
| | 448 | // Returns the local coordinates of the momentum given the global |
| | 449 | // coordinates of the momentum. It transforms just like GtoLPosition |
| | 450 | // except that the translation vector is zero. |
| | 451 | // Inputs: |
| | 452 | // Double_t g[3] The momentum represented in the ALICE global |
| | 453 | // coordinate system |
| | 454 | // Outputs: |
| | 455 | // Double_t l[3] the momentum represented in the detector |
| | 456 | // local coordinate system |
| | 457 | // Return: |
| | 458 | // none. |
| | 459 | Int_t i,j; |
| | 460 | |
| | 461 | for(i=0;i<3;i++){ |
| | 462 | l[i] = 0.0; |
| | 463 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
| | 464 | // g = R l |
| | 465 | } // end for i |
| | 466 | return; |
| | 467 | } |
| | 468 | //---------------------------------------------------------------------- |
| | 469 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
| | 470 | // Returns the Global coordinates of the momentum given the local |
| | 471 | // coordinates of the momentum. It transforms just like LtoGPosition |
| | 472 | // except that the translation vector is zero. |
| | 473 | // Inputs: |
| | 474 | // Double_t l[3] the momentum represented in the detector |
| | 475 | // local coordinate system |
| | 476 | // Outputs: |
| | 477 | // Double_t g[3] The momentum represented in the ALICE global |
| | 478 | // coordinate system |
| | 479 | // Return: |
| | 480 | // none. |
| | 481 | Int_t i,j; |
| | 482 | |
| | 483 | for(i=0;i<3;i++){ |
| | 484 | g[i] = 0.0; |
| | 485 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
| | 486 | // g = R^t l |
| | 487 | } // end for i |
| | 488 | return; |
| | 489 | } |
| | 490 | //---------------------------------------------------------------------- |
| | 491 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
| | 492 | Double_t l[3][3]) const { |
| | 493 | // Given an Uncertainty matrix in Global coordinates it is |
| | 494 | // rotated so that its representation in local coordinates can |
| | 495 | // be returned. There is no effect due to the translation vector |
| | 496 | // or its uncertainty. |
| | 497 | // Inputs: |
| | 498 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| | 499 | // coordinate system |
| | 500 | // Outputs: |
| | 501 | // Double_t l[3][3] the error matrix represented in the detector |
| | 502 | // local coordinate system |
| | 503 | // Return: |
| | 504 | // none. |
| | 505 | Int_t i,j,k,m; |
| | 506 | |
| | 507 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| | 508 | l[i][m] = 0.0; |
| | 509 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 510 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; |
| | 511 | } // end for i,m |
| | 512 | // g = R^t l R |
| | 513 | return; |
| | 514 | } |
| | 515 | //---------------------------------------------------------------------- |
| | 516 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
| | 517 | Double_t g[3][3]) const { |
| | 518 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
| | 519 | // its representation in global coordinates can be returned. There is no |
| | 520 | // effect due to the translation vector or its uncertainty. |
| | 521 | // Inputs: |
| | 522 | // Double_t l[3][3] the error matrix represented in the detector |
| | 523 | // local coordinate system |
| | 524 | // Outputs: |
| | 525 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| | 526 | // coordinate system |
| | 527 | // Return: |
| | 528 | // none. |
| | 529 | Int_t i,j,k,m; |
| | 530 | |
| | 531 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| | 532 | g[i][m] = 0.0; |
| | 533 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 534 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; |
| | 535 | } // end for i,m |
| | 536 | // g = R l R^t |
| | 537 | return; |
| | 538 | } |
| | 539 | //---------------------------------------------------------------------- |
| | 540 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
| | 541 | Double_t l[3]) const { |
| | 542 | // A slightly different coordinate system is used when tracking. |
| | 543 | // This coordinate system is only relevant when the geometry represents |
| | 544 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| | 545 | // alone but X -> -Y and Y -> X such that X always points out of the |
| | 546 | // ITS Cylinder for every layer including layer 1 (where the detector |
| | 547 | // are mounted upside down). |
| | 548 | //Begin_Html |
| | 549 | /* |
| | 550 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| | 551 | */ |
| | 552 | //End_Html |
| | 553 | // Inputs: |
| | 554 | // Double_t g[3] The position represented in the ALICE |
| | 555 | // global coordinate system |
| | 556 | // Outputs: |
| | 557 | // Double_t l[3] The poistion represented in the local |
| | 558 | // detector coordiante system |
| | 559 | // Return: |
| | 560 | // none |
| | 561 | Double_t l0[3]; |
| | 562 | |
| | 563 | this->GtoLPosition(g,l0); |
| | 564 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| | 565 | // with respect to the others. |
| | 566 | l[0] = +l0[1]; |
| | 567 | l[1] = -l0[0]; |
| | 568 | l[2] = +l0[2]; |
| | 569 | }else{ |
| | 570 | l[0] = -l0[1]; |
| | 571 | l[1] = +l0[0]; |
| | 572 | l[2] = +l0[2]; |
| | 573 | } // end if |
| | 574 | return; |
| | 575 | } |
| | 576 | //---------------------------------------------------------------------- |
| | 577 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], |
| | 578 | Double_t g[3]) const { |
| | 579 | // A slightly different coordinate system is used when tracking. |
| | 580 | // This coordinate system is only relevant when the geometry represents |
| | 581 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| | 582 | // alone but X -> -Y and Y -> X such that X always points out of the |
| | 583 | // ITS Cylinder for every layer including layer 1 (where the detector |
| | 584 | // are mounted upside down). |
| | 585 | //Begin_Html |
| | 586 | /* |
| | 587 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| | 588 | */ |
| | 589 | //End_Html |
| | 590 | // Inputs: |
| | 591 | // Double_t l[3] The poistion represented in the detector |
| | 592 | // local coordinate system |
| | 593 | // Outputs: |
| | 594 | // Double_t g[3] The poistion represented in the ALICE |
| | 595 | // Global coordinate system |
| | 596 | // Return: |
| | 597 | // none. |
| | 598 | Double_t l0[3]; |
| | 599 | |
| | 600 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| | 601 | // with respect to the others. |
| | 602 | l0[0] = -l[1]; |
| | 603 | l0[1] = +l[0]; |
| | 604 | l0[2] = +l[2]; |
| | 605 | }else{ |
| | 606 | l0[0] = +l[1]; |
| | 607 | l0[1] = -l[0]; |
| | 608 | l0[2] = +l[2]; |
| | 609 | } // end if |
| | 610 | this->LtoGPosition(l0,g); |
| | 611 | return; |
| | 612 | } |
| | 613 | //---------------------------------------------------------------------- |
| | 614 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], |
| | 615 | Double_t l[3]) const { |
| | 616 | // A slightly different coordinate system is used when tracking. |
| | 617 | // This coordinate system is only relevant when the geometry represents |
| | 618 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| | 619 | // alone but X -> -Y and Y -> X such that X always points out of the |
| | 620 | // ITS Cylinder for every layer including layer 1 (where the detector |
| | 621 | // are mounted upside down). |
| | 622 | //Begin_Html |
| | 623 | /* |
| | 624 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| | 625 | */ |
| | 626 | //End_Html |
| | 627 | // Inputs: |
| | 628 | // Double_t g[3] The momentum represented in the ALICE global |
| | 629 | // coordinate system |
| | 630 | // Outputs: |
| | 631 | // Double_t l[3] the momentum represented in the detector |
| | 632 | // local coordinate system |
| | 633 | // Return: |
| | 634 | // none. |
| | 635 | Double_t l0[3]; |
| | 636 | |
| | 637 | this->GtoLMomentum(g,l0); |
| | 638 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| | 639 | // with respect to the others. |
| | 640 | l[0] = +l0[1]; |
| | 641 | l[1] = -l0[0]; |
| | 642 | l[2] = +l0[2]; |
| | 643 | }else{ |
| | 644 | l[0] = -l0[1]; |
| | 645 | l[1] = +l0[0]; |
| | 646 | l[2] = +l0[2]; |
| | 647 | } // end if |
| | 648 | return; |
| | 649 | } |
| | 650 | //---------------------------------------------------------------------- |
| | 651 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], |
| | 652 | Double_t g[3]) const { |
| | 653 | // A slightly different coordinate system is used when tracking. |
| | 654 | // This coordinate system is only relevant when the geometry represents |
| | 655 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| | 656 | // alone but X -> -Y and Y -> X such that X always points out of the |
| | 657 | // ITS Cylinder for every layer including layer 1 (where the detector |
| | 658 | // are mounted upside down). |
| | 659 | //Begin_Html |
| | 660 | /* |
| | 661 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| | 662 | */ |
| | 663 | //End_Html |
| | 664 | // Inputs: |
| | 665 | // Double_t l[3] the momentum represented in the detector |
| | 666 | // local coordinate system |
| | 667 | // Outputs: |
| | 668 | // Double_t g[3] The momentum represented in the ALICE global |
| | 669 | // coordinate system |
| | 670 | // Return: |
| | 671 | // none. |
| | 672 | Double_t l0[3]; |
| | 673 | |
| | 674 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| | 675 | // with respect to the others. |
| | 676 | l0[0] = -l[1]; |
| | 677 | l0[1] = +l[0]; |
| | 678 | l0[2] = +l[2]; |
| | 679 | }else{ |
| | 680 | l0[0] = +l[1]; |
| | 681 | l0[1] = -l[0]; |
| | 682 | l0[2] = +l[2]; |
| | 683 | } // end if |
| | 684 | this->LtoGMomentum(l0,g); |
| | 685 | return; |
| | 686 | } |
| | 687 | //---------------------------------------------------------------------- |
| | 688 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
| | 689 | Double_t l[3][3]) const { |
| | 690 | // A slightly different coordinate system is used when tracking. |
| | 691 | // This coordinate system is only relevant when the geometry represents |
| | 692 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| | 693 | // alone but X -> -Y and Y -> X such that X always points out of the |
| | 694 | // ITS Cylinder for every layer including layer 1 (where the detector |
| | 695 | // are mounted upside down). |
| | 696 | //Begin_Html |
| | 697 | /* |
| | 698 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
| | 699 | */ |
| | 700 | //End_Html |
| | 701 | // Inputs: |
| | 702 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| | 703 | // coordinate system |
| | 704 | // Outputs: |
| | 705 | // Double_t l[3][3] the error matrix represented in the detector |
| | 706 | // local coordinate system |
| | 707 | // Return: |
| | 708 | Int_t i,j,k,m; |
| | 709 | Double_t rt[3][3]; |
| | 710 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
| | 711 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
| | 712 | |
| | 713 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 714 | rt[i][k] = a0[i][j]*fm[j][k]; |
| | 715 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 716 | rt[i][k] = a1[i][j]*fm[j][k]; |
| | 717 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| | 718 | l[i][m] = 0.0; |
| | 719 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 720 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; |
| | 721 | } // end for i,m |
| | 722 | // g = R^t l R |
| | 723 | return; |
| | 724 | } |
| | 725 | //---------------------------------------------------------------------- |
| | 726 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
| | 727 | Double_t g[3][3]) const { |
| | 728 | // A slightly different coordinate system is used when tracking. |
| | 729 | // This coordinate system is only relevant when the geometry represents |
| | 730 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| | 731 | // alone but X -> -Y and Y -> X such that X always points out of the |
| | 732 | // ITS Cylinder for every layer including layer 1 (where the detector |
| | 733 | // are mounted upside down). |
| | 734 | //Begin_Html |
| | 735 | /* |
| | 736 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
| | 737 | */ |
| | 738 | //End_Html |
| | 739 | // Inputs: |
| | 740 | // Double_t l[3][3] the error matrix represented in the detector |
| | 741 | // local coordinate system |
| | 742 | // Outputs: |
| | 743 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| | 744 | // coordinate system |
| | 745 | // Return: |
| | 746 | // none. |
| | 747 | Int_t i,j,k,m; |
| | 748 | Double_t rt[3][3]; |
| | 749 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
| | 750 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
| | 751 | |
| | 752 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 753 | rt[i][k] = a0[i][j]*fm[j][k]; |
| | 754 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 755 | rt[i][k] = a1[i][j]*fm[j][k]; |
| | 756 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| | 757 | g[i][m] = 0.0; |
| | 758 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| | 759 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; |
| | 760 | } // end for i,m |
| | 761 | // g = R l R^t |
| | 762 | return; |
| | 763 | } |
| | 764 | //---------------------------------------------------------------------- |
| | 765 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
| | 766 | // Standard output format for this class but it includes variable |
| | 767 | // names and formatting that makes it easer to read. |
| | 768 | // Inputs: |
| | 769 | // ostream *os The output stream to print the title on |
| | 770 | // Outputs: |
| | 771 | // none. |
| | 772 | // Return: |
| | 773 | // none. |
| | 774 | Int_t i,j; |
| | 775 | |
| | 776 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; |
| | 777 | for(i=0;i<3;i++) *os << fid[i] << " "; |
| | 778 | *os << "} frot[3]={"; |
| | 779 | for(i=0;i<3;i++) *os << frot[i] << " "; |
| | 780 | *os << "} ftran[3]={"; |
| | 781 | for(i=0;i<3;i++) *os << ftran[i] << " "; |
| | 782 | *os << "} fm[3][3]={"; |
| | 783 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} |
| | 784 | *os << "}" << endl; |
| | 785 | return; |
| | 786 | } |
| | 787 | //---------------------------------------------------------------------- |
| | 788 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
| | 789 | // output format used by Print. |
| | 790 | // Inputs: |
| | 791 | // ostream *os The output stream to print the comments on |
| | 792 | // Outputs: |
| | 793 | // none. |
| | 794 | // Return: |
| | 795 | // none. |
| | 796 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
| | 797 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; |
| | 798 | *os << "fm[2][0] fm[2][1] fm[2][2] "; |
| | 799 | return; |
| | 800 | } |
| | 801 | //---------------------------------------------------------------------- |
| | 802 | void AliITSgeomMatrix::Print(ostream *os)const{ |
| | 803 | // Standard output format for this class. |
| | 804 | // Inputs: |
| | 805 | // ostream *os The output stream to print the class data on |
| | 806 | // Outputs: |
| | 807 | // none. |
| | 808 | // Return: |
| | 809 | // none. |
| | 810 | Int_t i,j; |
| | 811 | #if defined __GNUC__ |
| | 812 | #if __GNUC__ > 2 |
| | 813 | ios::fmtflags fmt; |
| | 814 | #else |
| | 815 | Int_t fmt; |
| | 816 | #endif |
| | 817 | #else |
| | 818 | #if defined __ICC || defined __ECC || defined __xlC__ |
| | 819 | ios::fmtflags fmt; |
| | 820 | #else |
| | 821 | Int_t fmt; |
| | 822 | #endif |
| | 823 | #endif |
| | 824 | |
| | 825 | fmt = os->setf(ios::scientific); // set scientific floating point output |
| | 826 | *os << fDetectorIndex << " "; |
| | 827 | for(i=0;i<3;i++) *os << fid[i] << " "; |
| | 828 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
| | 829 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; |
| | 830 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << |
| | 831 | fm[i][j] << " "; |
| | 832 | *os << fPath.Length()<< " "; |
| | 833 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; |
| | 834 | *os << endl; |
| | 835 | os->flags(fmt); // reset back to old formating. |
| | 836 | return; |
| | 837 | } |
| | 838 | //---------------------------------------------------------------------- |
| | 839 | void AliITSgeomMatrix::Read(istream *is){ |
| | 840 | // Standard input format for this class. |
| | 841 | // Inputs: |
| | 842 | // istream *is The input stream to read on |
| | 843 | // Outputs: |
| | 844 | // none. |
| | 845 | // Return: |
| | 846 | // none. |
| | 847 | Int_t i,j; |
| | 848 | |
| | 849 | *is >> fDetectorIndex; |
| | 850 | for(i=0;i<3;i++) *is >> fid[i]; |
| | 851 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
| | 852 | for(i=0;i<3;i++) *is >> ftran[i]; |
| | 853 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; |
| | 854 | while(is->peek()==' ')is->get(); // skip white spaces |
| | 855 | if(isprint(is->peek())){ // old format did not have path. |
| | 856 | *is >> j; // string length |
| | 857 | fPath.Resize(j); |
| | 858 | for(i=0;i<j;i++) {*is >> fPath[i];} |
| | 859 | } // end if |
| | 860 | AngleFromMatrix(); // compute angles frot[]. |
| | 861 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| | 862 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| | 863 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| | 864 | return; |
| | 865 | } |
| | 866 | //______________________________________________________________________ |
| | 867 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ |
| | 868 | // Stream an object of class AliITSgeomMatrix. |
| | 869 | // Inputs: |
| | 870 | // TBuffer &R__b The output buffer to stream data on. |
| | 871 | // Outputs: |
| | 872 | // none. |
| | 873 | // Return: |
| | 874 | // none. |
| | 875 | |
| | 876 | if (R__b.IsReading()) { |
| | 877 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); |
| | 878 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| | 879 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| | 880 | this->AngleFromMatrix(); |
| | 881 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| | 882 | } else { |
| | 883 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); |
| | 884 | } // end if |
| | 885 | } |
| | 886 | //______________________________________________________________________ |
| | 887 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ |
| | 888 | // Sets the translation vector and computes fCylR and fCylPhi. |
| | 889 | // Inputs: |
| | 890 | // Double_t trans[3] The translation vector to be used |
| | 891 | // Outputs: |
| | 892 | // none. |
| | 893 | // Return: |
| | 894 | // none. |
| | 895 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; |
| | 896 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| | 897 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| | 898 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| | 899 | } |
| | 900 | //---------------------------------------------------------------------- |
| | 901 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis(){ |
| | 902 | // This class is used as part of the documentation of this class |
| | 903 | // Inputs: |
| | 904 | // none. |
| | 905 | // Outputs: |
| | 906 | // none. |
| | 907 | // Return: |
| | 908 | // A pointer to a new TPolyLine3D object showing the 3 line |
| | 909 | // segments that make up the this local axis in the global |
| | 910 | // reference system. |
| | 911 | Float_t gf[15]; |
| | 912 | Double_t g[5][3]; |
| | 913 | Double_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, |
| | 914 | {0.0,0.0,1.0}}; |
| | 915 | Int_t i; |
| | 916 | |
| | 917 | for(i=0;i<5;i++) { |
| | 918 | LtoGPosition(l[i],g[i]); |
| | 919 | gf[3*i]=(Float_t)g[i][0]; |
| | 920 | gf[3*i+1]=(Float_t)g[i][1]; |
| | 921 | gf[3*i+2]=(Float_t)g[i][2]; |
| | 922 | } // end for i |
| | 923 | return new TPolyLine3D(5,gf); |
| | 924 | } |
| | 925 | //---------------------------------------------------------------------- |
| | 926 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking(){ |
| | 927 | // This class is used as part of the documentation of this class |
| | 928 | // Inputs: |
| | 929 | // none. |
| | 930 | // Outputs: |
| | 931 | // none. |
| | 932 | // Return: |
| | 933 | // A pointer to a new TPolyLine3D object showing the 3 line |
| | 934 | // segments that make up the this local axis in the global |
| | 935 | // reference system. |
| | 936 | Float_t gf[15]; |
| | 937 | Double_t g[5][3]; |
| | 938 | Double_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, |
| | 939 | {0.0,0.0,1.0}}; |
| | 940 | Int_t i; |
| | 941 | |
| | 942 | for(i=0;i<5;i++) { |
| | 943 | LtoGPositionTracking(l[i],g[i]); |
| | 944 | gf[3*i]=(Float_t)g[i][0]; |
| | 945 | gf[3*i+1]=(Float_t)g[i][1]; |
| | 946 | gf[3*i+2]=(Float_t)g[i][2]; |
| | 947 | } // end for i |
| | 948 | return new TPolyLine3D(5,gf); |
| | 949 | } |
| | 950 | //---------------------------------------------------------------------- |
| | 951 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, |
| | 952 | const Char_t *nodeTitle,TNode *mother, |
| | 953 | TShape *shape,Bool_t axis){ |
| | 954 | // Creates a node inside of the node mother out of the shape shape |
| | 955 | // in the position, with respect to mother, indecated by "this". If axis |
| | 956 | // is ture, it will insert an axis within this node/shape. |
| | 957 | // Inputs: |
| | 958 | // Char_t *nodeName This name of this node |
| | 959 | // Char_t *nodeTitle This node title |
| | 960 | // TNode *mother The node this node will be inside of/with respect to |
| | 961 | // TShape *shape The shape of this node |
| | 962 | // Bool_t axis If ture, a set of x,y,z axis will be included |
| | 963 | // Outputs: |
| | 964 | // none. |
| | 965 | // Return: |
| | 966 | // A pointer to "this" node. |
| | 967 | Double_t trans[3],matrix[3][3],*matr; |
| | 968 | TRotMatrix *rot = new TRotMatrix(); |
| | 969 | TString name,title; |
| | 970 | |
| | 971 | matr = &(matrix[0][0]); |
| | 972 | this->GetTranslation(trans); |
| | 973 | this->GetMatrix(matrix); |
| | 974 | rot->SetMatrix(matr); |
| | 975 | // |
| | 976 | name = nodeName; |
| | 977 | title = nodeTitle; |
| | 978 | // |
| | 979 | mother->cd(); |
| | 980 | TNode *node1 = new TNode(name.Data(),title.Data(),shape,trans[0],trans[1],trans[2],rot); |
| | 981 | if(axis){ |
| | 982 | Int_t i,j; |
| | 983 | const Float_t scale=0.5,lw=0.2; |
| | 984 | Float_t xchar[13][2]={{0.5*lw,1.},{0.,0.5*lw},{0.5-0.5*lw,0.5}, |
| | 985 | {0.,0.5*lw},{0.5*lw,0.},{0.5,0.5-0.5*lw}, |
| | 986 | {1-0.5*lw,0.},{1.,0.5*lw},{0.5+0.5*lw,0.5}, |
| | 987 | {1.,1.-0.5*lw},{1.-0.5*lw,1.},{0.5,0.5+0.5*lw}, |
| | 988 | {0.5*lw,1.}}; |
| | 989 | Float_t ychar[10][2]={{.5-0.5*lw,0.},{.5+0.5*lw,0.},{.5+0.5*lw,0.5-0.5*lw}, |
| | 990 | {1.,1.-0.5*lw},{1.-0.5*lw,1.},{0.5+0.5*lw,0.5}, |
| | 991 | {0.5*lw,1.} ,{0.,1-0.5*lw} ,{0.5-0.5*lw,0.5}, |
| | 992 | {.5-0.5*lw,0.}}; |
| | 993 | Float_t zchar[11][2]={{0.,1.},{0,1.-lw},{1.-lw,1.-lw},{0.,lw} ,{0.,0.}, |
| | 994 | {1.,0.},{1.,lw} ,{lw,lw} ,{1.,1.-lw},{1.,1.}, |
| | 995 | {0.,1.}}; |
| | 996 | for(i=0;i<13;i++)for(j=0;j<2;j++){ |
| | 997 | if(i<13) xchar[i][j] = scale*xchar[i][j]; |
| | 998 | if(i<10) ychar[i][j] = scale*ychar[i][j]; |
| | 999 | if(i<11) zchar[i][j] = scale*zchar[i][j]; |
| | 1000 | } // end for i,j |
| | 1001 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); |
| | 1002 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); |
| | 1003 | axisxl->DefineSection(0,-0.5*lw);axisxl->DefineSection(1,0.5*lw); |
| | 1004 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
| | 1005 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); |
| | 1006 | axisyl->DefineSection(0,-0.5*lw);axisyl->DefineSection(1,0.5*lw); |
| | 1007 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
| | 1008 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); |
| | 1009 | axiszl->DefineSection(0,-0.5*lw);axiszl->DefineSection(1,0.5*lw); |
| | 1010 | Float_t lxy[13][2]={{-0.5*lw,-0.5*lw},{0.8,-0.5*lw},{0.8,-0.1},{1.0,0.0}, |
| | 1011 | {0.8,0.1},{0.8,0.5*lw},{0.5*lw,0.5*lw},{0.5*lw,0.8}, |
| | 1012 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*lw,0.8}, |
| | 1013 | {-0.5*lw,-0.5*lw}}; |
| | 1014 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
| | 1015 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); |
| | 1016 | axisxy->DefineSection(0,-0.5*lw);axisxy->DefineSection(1,0.5*lw); |
| | 1017 | Float_t lz[8][2]={{0.5*lw,-0.5*lw},{0.8,-0.5*lw},{0.8,-0.1},{1.0,0.0}, |
| | 1018 | {0.8,0.1},{0.8,0.5*lw},{0.5*lw,0.5*lw}, |
| | 1019 | {0.5*lw,-0.5*lw}}; |
| | 1020 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
| | 1021 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); |
| | 1022 | axisz->DefineSection(0,-0.5*lw);axisz->DefineSection(1,0.5*lw); |
| | 1023 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
| | 1024 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); |
| | 1025 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); |
| | 1026 | // |
| | 1027 | node1->cd(); |
| | 1028 | title = name.Append("axisxy"); |
| | 1029 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); |
| | 1030 | title = name.Append("axisz"); |
| | 1031 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz,0.,0.,0.,yaxis90); |
| | 1032 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, |
| | 1033 | lxy[3][0],lxy[3][1],0.0); |
| | 1034 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, |
| | 1035 | lxy[3][0],lxy[3][1],0.0,yaxis90); |
| | 1036 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, |
| | 1037 | lxy[3][0],lxy[3][1],0.0,zaxis90); |
| | 1038 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, |
| | 1039 | lxy[9][0],lxy[9][1],0.0); |
| | 1040 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, |
| | 1041 | lxy[9][0],lxy[9][1],0.0,yaxis90); |
| | 1042 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, |
| | 1043 | lxy[9][0],lxy[9][1],0.0,zaxis90); |
| | 1044 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, |
| | 1045 | 0.0,0.0,lz[3][0]); |
| | 1046 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, |
| | 1047 | 0.0,0.0,lz[3][0],yaxis90); |
| | 1048 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, |
| | 1049 | 0.0,0.0,lz[3][0],zaxis90); |
| | 1050 | nodeaxy->Draw(); |
| | 1051 | nodeaz->Draw(); |
| | 1052 | textboxX0->Draw(); |
| | 1053 | textboxX1->Draw(); |
| | 1054 | textboxX2->Draw(); |
| | 1055 | textboxY0->Draw(); |
| | 1056 | textboxY1->Draw(); |
| | 1057 | textboxY2->Draw(); |
| | 1058 | textboxZ0->Draw(); |
| | 1059 | textboxZ1->Draw(); |
| | 1060 | textboxZ2->Draw(); |
| | 1061 | } // end if |
| | 1062 | mother->cd(); |
| | 1063 | return node1; |
| | 1064 | } |
| | 1065 | //---------------------------------------------------------------------- |
| | 1066 | void AliITSgeomMatrix::MakeFigures(){ |
| | 1067 | // make figures to help document this class |
| | 1068 | // Inputs: |
| | 1069 | // none. |
| | 1070 | // Outputs: |
| | 1071 | // none. |
| | 1072 | // Return: |
| | 1073 | // none. |
| | 1074 | const Double_t dx0=550.,dy0=550.,dz0=550.; // cm |
| | 1075 | const Double_t dx=1.0,dy=0.300,dz=3.0,rmax=0.1; // cm |
| | 1076 | Float_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, |
| | 1077 | {0.0,0.0,1.0}}; |
| | 1078 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. |
| | 1079 | TView *view = new TView(1); // Create Cartesian coordiante view |
| | 1080 | TBRIK *mother = new TBRIK("Mother","Mother","void",dx0,dy0,dz0); |
| | 1081 | TBRIK *det = new TBRIK("Detector","","Si",dx,dy,dz); |
| | 1082 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
| | 1083 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); |
| | 1084 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); |
| | 1085 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); |
| | 1086 | |
| | 1087 | det->SetLineColor(0); // black |
| | 1088 | det->SetLineStyle(1); // solid line |
| | 1089 | det->SetLineWidth(2); // pixel units |
| | 1090 | det->SetFillColor(1); // black |
| | 1091 | det->SetFillStyle(4010); // window is 90% transparent |
| | 1092 | arrow->SetLineColor(det->GetLineColor()); |
| | 1093 | arrow->SetLineWidth(det->GetLineWidth()); |
| | 1094 | arrow->SetLineStyle(det->GetLineStyle()); |
| | 1095 | arrow->SetFillColor(1); // black |
| | 1096 | arrow->SetFillStyle(4100); // window is 100% opaque |
| | 1097 | arrow->DefineSection(0,0.0,0.0,rmax); |
| | 1098 | arrow->DefineSection(1,2.*rmax,0.0,0.0); |
| | 1099 | view->SetRange(-dx0,-dy0,-dz0,dx0,dy0,dz0); |
| | 1100 | // |
| | 1101 | TNode *node0 = new TNode("NODE0","NODE0",mother); |
| | 1102 | node0->cd(); |
| | 1103 | TNode *node1 = new TNode("NODE1","NODE1",det); |
| | 1104 | node1->cd(); |
| | 1105 | TNode *nodex = new TNode("NODEx","NODEx",arrow,l[0][0],l[0][1],l[0][2],xarrow); |
| | 1106 | TNode *nodey = new TNode("NODEy","NODEy",arrow,l[2][0],l[2][1],l[2][2],yarrow); |
| | 1107 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); |
| | 1108 | // |
| | 1109 | axis->Draw(); |
| | 1110 | nodex->Draw(); |
| | 1111 | nodey->Draw(); |
| | 1112 | nodez->Draw(); |
| | 1113 | |
| | 1114 | // |
| | 1115 | node0->cd(); |
| | 1116 | node0->Draw(); |
| | 1117 | c->Update(); |
| | 1118 | c->SaveAs("AliITSgeomMatrix_L1.gif"); |
| | 1119 | } |
| | 1120 | //---------------------------------------------------------------------- |
| | 1121 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ |
| | 1122 | // Standard output streaming function. |
| | 1123 | // Inputs: |
| | 1124 | // ostream &os The output stream to print the class data on |
| | 1125 | // AliITSgeomMatrix &p This class |
| | 1126 | // Outputs: |
| | 1127 | // none. |
| | 1128 | // Return: |
| | 1129 | // none. |
| | 1130 | |
| | 1131 | p.Print(&os); |
| | 1132 | return os; |
| | 1133 | } |
| | 1134 | //---------------------------------------------------------------------- |
| | 1135 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ |
| | 1136 | // Standard input streaming function. |
| | 1137 | // Inputs: |
| | 1138 | // ostream &os The input stream to print the class data on |
| | 1139 | // AliITSgeomMatrix &p This class |
| | 1140 | // Outputs: |
| | 1141 | // none. |
| | 1142 | // Return: |
| | 1143 | // none. |
| | 1144 | |
| | 1145 | r.Read(&is); |
| | 1146 | return is; |
| | 1147 | } |
| | 1148 | //---------------------------------------------------------------------- |
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental