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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 | |
| 023ae34b |
16 | /* |
| 17 | $Id$ |
| 18 | */ |
| 6b0f3880 |
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 | |
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29 | #include <Riostream.h> |
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30 | #include <TClass.h> |
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31 | #include <TMath.h> |
| 32 | #include <TBuffer.h> |
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33 | #include <TCanvas.h> |
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34 | #if ROOT_VERSION_CODE>= 331523 |
| 35 | #include <TView3D.h> |
| 36 | #else |
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37 | #include <TView.h> |
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38 | #endif |
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39 | #include <TPolyLine3D.h> |
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40 | #include <TNode.h> |
| 41 | #include <TPCON.h> |
| 42 | #include <TBRIK.h> |
| 43 | #include <TXTRU.h> |
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44 | |
| 45 | #include "AliITSgeomMatrix.h" |
| 46 | |
| 47 | ClassImp(AliITSgeomMatrix) |
| 48 | //---------------------------------------------------------------------- |
| 023ae34b |
49 | AliITSgeomMatrix::AliITSgeomMatrix(): |
| 50 | TObject(), |
| 51 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) |
| 52 | fid(), // layer, ladder, detector numbers. |
| 53 | frot(), //! vector of rotations about x,y,z [radians]. |
| 54 | ftran(), // Translation vector of module x,y,z. |
| 55 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| 56 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| 57 | fm(), // Rotation matrix based on frot. |
| 58 | fPath(){ // Path in geometry to this module |
| 59 | // The Default constructor for the AliITSgeomMatrix class. By Default |
| 60 | // the angles of rotations are set to zero, meaning that the rotation |
| 61 | // matrix is the unit matrix. The translation vector is also set to |
| 62 | // zero as are the module id number. The detector type is set to -1 |
| 63 | // (an undefined value). The full rotation matrix is kept so that |
| 64 | // the evaluation of a coordinate transformation can be done |
| 65 | // quickly and with a minimum of CPU overhead. The basic coordinate |
| 66 | // systems are the ALICE global coordinate system and the detector |
| 67 | // local coordinate system. In general this structure is not limited |
| 68 | // to just those two coordinate systems. |
| 69 | //Begin_Html |
| 70 | /* |
| 71 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| 72 | */ |
| 73 | //End_Html |
| 74 | // Inputs: |
| 75 | // none. |
| 76 | // Outputs: |
| 77 | // none. |
| 78 | // Return: |
| 79 | // A default constructes AliITSgeomMatrix class. |
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80 | Int_t i,j; |
| 81 | |
| 82 | fDetectorIndex = -1; // a value never defined. |
| 83 | for(i=0;i<3;i++){ |
| 84 | fid[i] = 0; |
| 85 | frot[i] = ftran[i] = 0.0; |
| 86 | for(j=0;j<3;j++) fm[i][j] = 0.0; |
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87 | fCylR = fCylPhi = 0.0; |
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88 | }// end for i |
| 89 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; |
| 90 | } |
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91 | |
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92 | //---------------------------------------------------------------------- |
| e56160b8 |
93 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
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94 | TObject(source), |
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95 | fDetectorIndex(source.fDetectorIndex), |
| 96 | fCylR(source.fCylR), |
| 97 | fCylPhi(source.fCylPhi), |
| 98 | fPath(source.fPath){ |
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99 | // The standard Copy constructor. This make a full / proper copy of |
| 100 | // this class. |
| 101 | // Inputs: |
| 102 | // AliITSgeomMatrix &source The source of this copy |
| 103 | // Outputs: |
| 104 | // none. |
| 105 | // Return: |
| 106 | // A copy constructes AliITSgeomMatrix class. |
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107 | Int_t i,j; |
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108 | for(i=0;i<3;i++){ |
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109 | this->fid[i] = source.fid[i]; |
| 110 | this->frot[i] = source.frot[i]; |
| 111 | this->ftran[i] = source.ftran[i]; |
| 112 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; |
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113 | }// end for i |
| 114 | } |
| 115 | //---------------------------------------------------------------------- |
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116 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
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117 | // The standard = operator. This make a full / proper copy of |
| 118 | // this class. |
| 119 | // The standard Copy constructor. This make a full / proper copy of |
| 120 | // this class. |
| 121 | // Inputs: |
| 122 | // AliITSgeomMatrix &source The source of this copy |
| 123 | // Outputs: |
| 124 | // none. |
| 125 | // Return: |
| 126 | // A copy of the source AliITSgeomMatrix class. |
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127 | if(this == &source)return *this; |
| 128 | Int_t i,j; |
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129 | |
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130 | this->fDetectorIndex = source.fDetectorIndex; |
| 131 | this->fCylR = source.fCylR; |
| 132 | this->fCylPhi = source.fCylPhi; |
| 133 | for(i=0;i<3;i++){ |
| 134 | this->fid[i] = source.fid[i]; |
| 135 | this->frot[i] = source.frot[i]; |
| 136 | this->ftran[i] = source.ftran[i]; |
| 137 | |
| 138 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; |
| 139 | } |
| 140 | this->fPath = source.fPath; |
| 141 | return *this; |
| df5240ea |
142 | } |
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143 | |
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144 | //---------------------------------------------------------------------- |
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145 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
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146 | const Double_t rot[3],const Double_t tran[3]): |
| 147 | TObject(), |
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148 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
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149 | fid(), // layer, ladder, detector numbers. |
| 150 | frot(), //! vector of rotations about x,y,z [radians]. |
| 151 | ftran(), // Translation vector of module x,y,z. |
| 152 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| 153 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| 154 | fm(), // Rotation matrix based on frot. |
| 155 | fPath(){ // Path in geometry to this moduel |
| 156 | // This is a constructor for the AliITSgeomMatrix class. The matrix is |
| 157 | // defined by 3 standard rotation angles [radians], and the translation |
| 158 | // vector tran [cm]. In addition the layer, ladder, and detector number |
| 159 | // for this particular module and the type of module must be given. |
| 160 | // The full rotation matrix is kept so that the evaluation |
| 161 | // of a coordinate transformation can be done quickly and with a minimum |
| 162 | // of CPU overhead. The basic coordinate systems are the ALICE global |
| 163 | // coordinate system and the detector local coordinate system. In general |
| 164 | // this structure is not limited to just those two coordinate systems. |
| 165 | //Begin_Html |
| 166 | /* |
| 167 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| 168 | */ |
| 169 | //End_Html |
| 170 | // Inputs: |
| 171 | // Int_t idt The detector index value |
| 172 | // Int_t id[3] The layer, ladder, and detector numbers |
| 173 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] |
| 174 | // Double_t tran[3] The 3 Cartician translation distnaces |
| 175 | // Outputs: |
| 176 | // none. |
| 177 | // Return: |
| 178 | // A properly inilized AliITSgeomMatrix class. |
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179 | Int_t i; |
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180 | |
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181 | for(i=0;i<3;i++){ |
| 182 | fid[i] = id[i]; |
| 183 | frot[i] = rot[i]; |
| 184 | ftran[i] = tran[i]; |
| 185 | }// end for i |
| 186 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 187 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 188 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| 189 | this->MatrixFromAngle(); |
| df5240ea |
190 | } |
| 191 | //---------------------------------------------------------------------- |
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192 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
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193 | Double_t matrix[3][3], |
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194 | const Double_t tran[3]): |
| 195 | TObject(), |
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196 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
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197 | fid(), // layer, ladder, detector numbers. |
| 198 | frot(), //! vector of rotations about x,y,z [radians]. |
| 199 | ftran(), // Translation vector of module x,y,z. |
| 200 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| 201 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| 202 | fm(), // Rotation matrix based on frot. |
| 203 | fPath(){ // Path in geometry to this module |
| 204 | // This is a constructor for the AliITSgeomMatrix class. The |
| 205 | // rotation matrix is given as one of the inputs, and the |
| 206 | // translation vector tran [cm]. In addition the layer, ladder, |
| 207 | // and detector number for this particular module and the type of |
| 208 | // module must be given. The full rotation matrix is kept so that |
| 209 | // the evaluation of a coordinate transformation can be done quickly |
| 210 | // and with a minimum of CPU overhead. The basic coordinate systems |
| 211 | // are the ALICE global coordinate system and the detector local |
| 212 | // coordinate system. In general this structure is not limited to just |
| 213 | // those two coordinate systems. |
| 214 | //Begin_Html |
| 215 | /* |
| 216 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| 217 | */ |
| 218 | //End_Html |
| 219 | // Inputs: |
| 220 | // Int_t idt The detector index value |
| 221 | // Int_t id[3] The layer, ladder, and detector numbers |
| 222 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix |
| 223 | // Double_t tran[3] The 3 Cartician translation distnaces |
| 224 | // Outputs: |
| 225 | // none. |
| 226 | // Return: |
| 227 | // A properly inilized AliITSgeomMatrix class. |
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228 | Int_t i,j; |
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229 | |
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230 | for(i=0;i<3;i++){ |
| 231 | fid[i] = id[i]; |
| 232 | ftran[i] = tran[i]; |
| 233 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; |
| 234 | }// end for i |
| 235 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 236 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 237 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| 238 | this->AngleFromMatrix(); |
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239 | } |
| 240 | //---------------------------------------------------------------------- |
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241 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
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242 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
| 243 | // the array ang which must be at least [6] long. |
| 244 | // Inputs: |
| 245 | // none. |
| 246 | // Outputs: |
| 247 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
| 248 | // Return: |
| 249 | // noting |
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250 | Double_t si,c=180./TMath::Pi(); |
| 251 | |
| 252 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); |
| 253 | if(TMath::Cos(ang[1])!=0.0) si = fm[0][0]/TMath::Cos(ang[1]); |
| 254 | else si = fm[0][1]/TMath::Sin(ang[1]); |
| 255 | ang[0] = TMath::ATan2(si,fm[0][2]); |
| 256 | |
| 257 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); |
| 258 | if(TMath::Cos(ang[3])!=0.0) si = fm[1][0]/TMath::Cos(ang[3]); |
| 259 | else si = fm[1][1]/TMath::Sin(ang[3]); |
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260 | ang[2] = TMath::ATan2(si,fm[1][2]); |
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261 | |
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262 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
| 263 | if(TMath::Cos(ang[5])!=0.0) si = fm[2][0]/TMath::Cos(ang[5]); |
| 264 | else si = fm[2][1]/TMath::Sin(ang[5]); |
| 265 | ang[4] = TMath::ATan2(si,fm[2][2]); |
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266 | |
| 267 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} |
| 268 | } |
| 269 | //---------------------------------------------------------------------- |
| 270 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ |
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271 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
| 272 | // set the rotations matrix and 3 standard rotation angles [radians]. |
| 273 | // These angles and rotation matrix are overwrite the existing values in |
| 274 | // this class. |
| 275 | // Inputs: |
| 276 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
| 277 | // Outputs: |
| 278 | // none. |
| 279 | // Return: |
| 280 | // noting |
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281 | Int_t i,j; |
| 282 | Double_t si,lr[9],c=TMath::Pi()/180.; |
| 283 | |
| 284 | si = TMath::Sin(c*ang[0]); |
| 285 | if(ang[0]== 90.0) si = +1.0; |
| 286 | if(ang[0]==270.0) si = -1.0; |
| 287 | if(ang[0]== 0.0||ang[0]==180.) si = 0.0; |
| 288 | lr[0] = si * TMath::Cos(c*ang[1]); |
| 289 | lr[1] = si * TMath::Sin(c*ang[1]); |
| 290 | lr[2] = TMath::Cos(c*ang[0]); |
| 291 | if(ang[0]== 90.0||ang[0]==270.) lr[2] = 0.0; |
| 292 | if(ang[0]== 0.0) lr[2] = +1.0; |
| 293 | if(ang[0]==180.0) lr[2] = -1.0; |
| 294 | // |
| 295 | si = TMath::Sin(c*ang[2]); |
| 296 | if(ang[2]== 90.0) si = +1.0; |
| 297 | if(ang[2]==270.0) si = -1.0; |
| 298 | if(ang[2]== 0.0||ang[2]==180.) si = 0.0; |
| 299 | lr[3] = si * TMath::Cos(c*ang[3]); |
| 300 | lr[4] = si * TMath::Sin(c*ang[3]); |
| 301 | lr[5] = TMath::Cos(c*ang[2]); |
| 302 | if(ang[2]== 90.0||ang[2]==270.) lr[5] = 0.0; |
| 303 | if(ang[2]== 0.0) lr[5] = +1.0; |
| 304 | if(ang[2]==180.0) lr[5] = -1.0; |
| 305 | // |
| 306 | si = TMath::Sin(c*ang[4]); |
| 307 | if(ang[4]== 90.0) si = +1.0; |
| 308 | if(ang[4]==270.0) si = -1.0; |
| 309 | if(ang[4]== 0.0||ang[4]==180.) si = 0.0; |
| 310 | lr[6] = si * TMath::Cos(c*ang[5]); |
| 311 | lr[7] = si * TMath::Sin(c*ang[5]); |
| 312 | lr[8] = TMath::Cos(c*ang[4]); |
| 313 | if(ang[4]== 90.0||ang[4]==270.0) lr[8] = 0.0; |
| 314 | if(ang[4]== 0.0) lr[8] = +1.0; |
| 315 | if(ang[4]==180.0) lr[8] = -1.0; |
| 316 | // Normalize these elements and fill matrix fm. |
| 317 | for(i=0;i<3;i++){// reuse si. |
| 318 | si = 0.0; |
| 319 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; |
| 320 | si = TMath::Sqrt(1./si); |
| 321 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; |
| 322 | } // end for i |
| 323 | this->AngleFromMatrix(); |
| 324 | } |
| 325 | //---------------------------------------------------------------------- |
| 326 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, |
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327 | Int_t idt,const Int_t id[3], |
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328 | const Double_t tran[3]): |
| 329 | TObject(), |
| 330 | fDetectorIndex(idt), |
| 331 | fCylR(0.), |
| 332 | fCylPhi(0.), |
| 333 | fPath(){ |
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334 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
| 335 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and |
| 336 | // the translation vector tran [cm]. In addition the layer, ladder, |
| 337 | // and detector number for this particular module and the type of |
| 338 | // module must be given. The full rotation matrix is kept so that |
| 339 | // the evaluation of a coordinate transformation can be done |
| 340 | // quickly and with a minimum of CPU overhead. The basic coordinate |
| 341 | // systems are the ALICE global coordinate system and the detector |
| 342 | // local coordinate system. In general this structure is not limited |
| 343 | // to just those two coordinate systems. |
| 344 | //Begin_Html |
| 345 | /* |
| 346 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| 347 | */ |
| 348 | //End_Html |
| 349 | // Inputs: |
| 350 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] |
| 351 | // Int_t idt The module Id number |
| 352 | // Int_t id[3] The layer, ladder and detector number |
| 353 | // Double_t tran[3] The translation vector |
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354 | Int_t i; |
| 355 | |
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356 | for(i=0;i<3;i++){ |
| 357 | fid[i] = id[i]; |
| 358 | ftran[i] = tran[i]; |
| 359 | }// end for i |
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360 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 361 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 362 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
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363 | this->MatrixFromSixAngles(rotd); |
| 364 | } |
| 78d2d72a |
365 | |
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366 | //---------------------------------------------------------------------- |
| 367 | void AliITSgeomMatrix::AngleFromMatrix(){ |
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368 | // Computes the angles from the rotation matrix up to a phase of |
| e16acbad |
369 | // 180 degrees. The matrix used in AliITSgeomMatrix::MatrixFromAngle() |
| 370 | // and its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in |
| 371 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where |
| 78d2d72a |
372 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
| 373 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 |
| 374 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 |
| e16acbad |
375 | // The choice of the since of S, comes from the choice between |
| 376 | // the rotation of the object or the coordinate system (view). I think |
| 377 | // that this choice is the first, the rotation of the object. |
| 023ae34b |
378 | // Inputs: |
| 379 | // none |
| 380 | // Outputs: |
| 381 | // none |
| 382 | // Return: |
| 383 | // none |
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384 | Double_t rx,ry,rz; |
| 385 | // get angles from matrix up to a phase of 180 degrees. |
| 386 | |
| 387 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); |
| 78d2d72a |
388 | ry = TMath::ASin(-fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
| e16acbad |
389 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
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390 | frot[0] = rx; |
| 391 | frot[1] = ry; |
| 392 | frot[2] = rz; |
| 393 | return; |
| 394 | } |
| 78d2d72a |
395 | |
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396 | //---------------------------------------------------------------------- |
| 397 | void AliITSgeomMatrix::MatrixFromAngle(){ |
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398 | // Computes the Rotation matrix from the angles [radians] kept in this |
| e16acbad |
399 | // class. The matrix used in AliITSgeomMatrix::MatrixFromAngle() and |
| 400 | // its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in |
| 401 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where |
| 78d2d72a |
402 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
| 403 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 |
| 404 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 |
| e16acbad |
405 | // The choice of the since of S, comes from the choice between |
| 406 | // the rotation of the object or the coordinate system (view). I think |
| 407 | // that this choice is the first, the rotation of the object. |
| 023ae34b |
408 | // Inputs: |
| 409 | // none |
| 410 | // Outputs: |
| 411 | // none |
| 412 | // Return: |
| 413 | // none |
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414 | Double_t sx,sy,sz,cx,cy,cz; |
| 415 | |
| 416 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); |
| 417 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); |
| 418 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); |
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419 | fm[0][0] = +cz*cy; // fr[0] |
| 420 | fm[0][1] = +cz*sy*sx - sz*cx; // fr[1] |
| 421 | fm[0][2] = +cz*sy*cx + sz*sx; // fr[2] |
| 422 | fm[1][0] = +sz*cy; // fr[3] |
| 423 | fm[1][1] = +sz*sy*sx + cz*cx; // fr[4] |
| 424 | fm[1][2] = +sz*sy*cx - cz*sx; // fr[5] |
| 425 | fm[2][0] = -sy; // fr[6] |
| 426 | fm[2][1] = +cy*sx; // fr[7] |
| 427 | fm[2][2] = +cy*cx; // fr[8] |
| df5240ea |
428 | |
| 429 | } |
| 78d2d72a |
430 | |
| df5240ea |
431 | //---------------------------------------------------------------------- |
| 024a4246 |
432 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
| 023ae34b |
433 | // Returns the local coordinates given the global coordinates [cm]. |
| 434 | // Inputs: |
| 435 | // Double_t g[3] The position represented in the ALICE |
| 436 | // global coordinate system |
| 437 | // Outputs: |
| 438 | // Double_t l[3] The poistion represented in the local |
| 439 | // detector coordiante system |
| 440 | // Return: |
| 441 | // none |
| df5240ea |
442 | Int_t i,j; |
| 443 | Double_t g[3]; |
| 444 | |
| 445 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; |
| 446 | for(i=0;i<3;i++){ |
| 447 | l[i] = 0.0; |
| 448 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
| 449 | // g = R l + translation |
| 450 | } // end for i |
| 451 | return; |
| 452 | } |
| 453 | //---------------------------------------------------------------------- |
| 024a4246 |
454 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
| 023ae34b |
455 | // Returns the global coordinates given the local coordinates [cm]. |
| 456 | // Inputs: |
| 457 | // Double_t l[3] The poistion represented in the detector |
| 458 | // local coordinate system |
| 459 | // Outputs: |
| 460 | // Double_t g[3] The poistion represented in the ALICE |
| 461 | // Global coordinate system |
| 462 | // Return: |
| 463 | // none. |
| df5240ea |
464 | Int_t i,j; |
| 465 | |
| 466 | for(i=0;i<3;i++){ |
| 467 | g[i] = 0.0; |
| 468 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
| 469 | g[i] += ftran[i]; |
| 470 | // g = R^t l + translation |
| 471 | } // end for i |
| 472 | return; |
| 473 | } |
| 474 | //---------------------------------------------------------------------- |
| 024a4246 |
475 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
| 023ae34b |
476 | // Returns the local coordinates of the momentum given the global |
| 477 | // coordinates of the momentum. It transforms just like GtoLPosition |
| 478 | // except that the translation vector is zero. |
| 479 | // Inputs: |
| 480 | // Double_t g[3] The momentum represented in the ALICE global |
| 481 | // coordinate system |
| 482 | // Outputs: |
| 483 | // Double_t l[3] the momentum represented in the detector |
| 484 | // local coordinate system |
| 485 | // Return: |
| 486 | // none. |
| df5240ea |
487 | Int_t i,j; |
| 488 | |
| 489 | for(i=0;i<3;i++){ |
| 490 | l[i] = 0.0; |
| 491 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
| 492 | // g = R l |
| 493 | } // end for i |
| 494 | return; |
| 495 | } |
| 496 | //---------------------------------------------------------------------- |
| 024a4246 |
497 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
| 023ae34b |
498 | // Returns the Global coordinates of the momentum given the local |
| 499 | // coordinates of the momentum. It transforms just like LtoGPosition |
| 500 | // except that the translation vector is zero. |
| 501 | // Inputs: |
| 502 | // Double_t l[3] the momentum represented in the detector |
| 503 | // local coordinate system |
| 504 | // Outputs: |
| 505 | // Double_t g[3] The momentum represented in the ALICE global |
| 506 | // coordinate system |
| 507 | // Return: |
| 508 | // none. |
| df5240ea |
509 | Int_t i,j; |
| 510 | |
| 511 | for(i=0;i<3;i++){ |
| 512 | g[i] = 0.0; |
| 513 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
| 514 | // g = R^t l |
| 515 | } // end for i |
| 516 | return; |
| 517 | } |
| 518 | //---------------------------------------------------------------------- |
| 023ae34b |
519 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
| 520 | Double_t l[3][3]) const { |
| 521 | // Given an Uncertainty matrix in Global coordinates it is |
| 522 | // rotated so that its representation in local coordinates can |
| 523 | // be returned. There is no effect due to the translation vector |
| 524 | // or its uncertainty. |
| 525 | // Inputs: |
| 526 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 527 | // coordinate system |
| 528 | // Outputs: |
| 529 | // Double_t l[3][3] the error matrix represented in the detector |
| 530 | // local coordinate system |
| 531 | // Return: |
| 532 | // none. |
| df5240ea |
533 | Int_t i,j,k,m; |
| 534 | |
| ecb0c8bc |
535 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 536 | l[i][m] = 0.0; |
| 537 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 538 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; |
| 539 | } // end for i,m |
| 540 | // g = R^t l R |
| df5240ea |
541 | return; |
| 542 | } |
| 543 | //---------------------------------------------------------------------- |
| 023ae34b |
544 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
| 024a4246 |
545 | Double_t g[3][3]) const { |
| 023ae34b |
546 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
| 547 | // its representation in global coordinates can be returned. There is no |
| 548 | // effect due to the translation vector or its uncertainty. |
| 549 | // Inputs: |
| 550 | // Double_t l[3][3] the error matrix represented in the detector |
| 551 | // local coordinate system |
| 552 | // Outputs: |
| 553 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 554 | // coordinate system |
| 555 | // Return: |
| 556 | // none. |
| df5240ea |
557 | Int_t i,j,k,m; |
| 558 | |
| ecb0c8bc |
559 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 560 | g[i][m] = 0.0; |
| 561 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 562 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; |
| 563 | } // end for i,m |
| 564 | // g = R l R^t |
| df5240ea |
565 | return; |
| 566 | } |
| 567 | //---------------------------------------------------------------------- |
| 023ae34b |
568 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
| 569 | Double_t l[3]) const { |
| 570 | // A slightly different coordinate system is used when tracking. |
| 571 | // This coordinate system is only relevant when the geometry represents |
| 572 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 573 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 574 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 575 | // are mounted upside down). |
| 576 | //Begin_Html |
| 577 | /* |
| 578 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 579 | */ |
| 580 | //End_Html |
| 581 | // Inputs: |
| 582 | // Double_t g[3] The position represented in the ALICE |
| 583 | // global coordinate system |
| 584 | // Outputs: |
| 585 | // Double_t l[3] The poistion represented in the local |
| 586 | // detector coordiante system |
| 587 | // Return: |
| 588 | // none |
| df5240ea |
589 | Double_t l0[3]; |
| 590 | |
| 023ae34b |
591 | this->GtoLPosition(g,l0); |
| df5240ea |
592 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 593 | // with respect to the others. |
| 594 | l[0] = +l0[1]; |
| 595 | l[1] = -l0[0]; |
| 596 | l[2] = +l0[2]; |
| 597 | }else{ |
| 598 | l[0] = -l0[1]; |
| 599 | l[1] = +l0[0]; |
| 600 | l[2] = +l0[2]; |
| 601 | } // end if |
| 602 | return; |
| 603 | } |
| 604 | //---------------------------------------------------------------------- |
| 605 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], |
| 023ae34b |
606 | Double_t g[3]) const { |
| 607 | // A slightly different coordinate system is used when tracking. |
| 608 | // This coordinate system is only relevant when the geometry represents |
| 609 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 610 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 611 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 612 | // are mounted upside down). |
| 613 | //Begin_Html |
| 614 | /* |
| 615 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 616 | */ |
| 617 | //End_Html |
| 618 | // Inputs: |
| 619 | // Double_t l[3] The poistion represented in the detector |
| 620 | // local coordinate system |
| 621 | // Outputs: |
| 622 | // Double_t g[3] The poistion represented in the ALICE |
| 623 | // Global coordinate system |
| 624 | // Return: |
| 625 | // none. |
| df5240ea |
626 | Double_t l0[3]; |
| 627 | |
| 628 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 629 | // with respect to the others. |
| 630 | l0[0] = -l[1]; |
| 631 | l0[1] = +l[0]; |
| 632 | l0[2] = +l[2]; |
| 633 | }else{ |
| 634 | l0[0] = +l[1]; |
| 635 | l0[1] = -l[0]; |
| 636 | l0[2] = +l[2]; |
| 637 | } // end if |
| 638 | this->LtoGPosition(l0,g); |
| 639 | return; |
| 640 | } |
| 641 | //---------------------------------------------------------------------- |
| 642 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], |
| 023ae34b |
643 | Double_t l[3]) const { |
| 644 | // A slightly different coordinate system is used when tracking. |
| 645 | // This coordinate system is only relevant when the geometry represents |
| 646 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 647 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 648 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 649 | // are mounted upside down). |
| 650 | //Begin_Html |
| 651 | /* |
| 652 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 653 | */ |
| 654 | //End_Html |
| 655 | // Inputs: |
| 656 | // Double_t g[3] The momentum represented in the ALICE global |
| 657 | // coordinate system |
| 658 | // Outputs: |
| 659 | // Double_t l[3] the momentum represented in the detector |
| 660 | // local coordinate system |
| 661 | // Return: |
| 662 | // none. |
| df5240ea |
663 | Double_t l0[3]; |
| 664 | |
| 665 | this->GtoLMomentum(g,l0); |
| 666 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 667 | // with respect to the others. |
| 668 | l[0] = +l0[1]; |
| 669 | l[1] = -l0[0]; |
| 670 | l[2] = +l0[2]; |
| 671 | }else{ |
| 672 | l[0] = -l0[1]; |
| 673 | l[1] = +l0[0]; |
| 674 | l[2] = +l0[2]; |
| 675 | } // end if |
| 676 | return; |
| df5240ea |
677 | } |
| 678 | //---------------------------------------------------------------------- |
| 679 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], |
| 023ae34b |
680 | Double_t g[3]) const { |
| 681 | // A slightly different coordinate system is used when tracking. |
| 682 | // This coordinate system is only relevant when the geometry represents |
| 683 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 684 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 685 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 686 | // are mounted upside down). |
| 687 | //Begin_Html |
| 688 | /* |
| 689 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 690 | */ |
| 691 | //End_Html |
| 692 | // Inputs: |
| 693 | // Double_t l[3] the momentum represented in the detector |
| 694 | // local coordinate system |
| 695 | // Outputs: |
| 696 | // Double_t g[3] The momentum represented in the ALICE global |
| 697 | // coordinate system |
| 698 | // Return: |
| 699 | // none. |
| df5240ea |
700 | Double_t l0[3]; |
| 701 | |
| 702 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 703 | // with respect to the others. |
| 704 | l0[0] = -l[1]; |
| 705 | l0[1] = +l[0]; |
| 706 | l0[2] = +l[2]; |
| 707 | }else{ |
| 708 | l0[0] = +l[1]; |
| 709 | l0[1] = -l[0]; |
| 710 | l0[2] = +l[2]; |
| 711 | } // end if |
| 712 | this->LtoGMomentum(l0,g); |
| 713 | return; |
| 714 | } |
| 715 | //---------------------------------------------------------------------- |
| 023ae34b |
716 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
| 717 | Double_t l[3][3]) const { |
| 718 | // A slightly different coordinate system is used when tracking. |
| 719 | // This coordinate system is only relevant when the geometry represents |
| 720 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 721 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 722 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 723 | // are mounted upside down). |
| 724 | //Begin_Html |
| 725 | /* |
| 726 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
| 727 | */ |
| 728 | //End_Html |
| 729 | // Inputs: |
| 730 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 731 | // coordinate system |
| 732 | // Outputs: |
| 733 | // Double_t l[3][3] the error matrix represented in the detector |
| 734 | // local coordinate system |
| 735 | // Return: |
| df5240ea |
736 | Int_t i,j,k,m; |
| 85f1e34a |
737 | Double_t rt[3][3]; |
| 738 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
| 739 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
| df5240ea |
740 | |
| 741 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 85f1e34a |
742 | rt[i][k] = a0[i][j]*fm[j][k]; |
| df5240ea |
743 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 85f1e34a |
744 | rt[i][k] = a1[i][j]*fm[j][k]; |
| ecb0c8bc |
745 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 746 | l[i][m] = 0.0; |
| 747 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 748 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; |
| 749 | } // end for i,m |
| 750 | // g = R^t l R |
| df5240ea |
751 | return; |
| 752 | } |
| 753 | //---------------------------------------------------------------------- |
| 023ae34b |
754 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
| 755 | Double_t g[3][3]) const { |
| 756 | // A slightly different coordinate system is used when tracking. |
| 757 | // This coordinate system is only relevant when the geometry represents |
| 758 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 759 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 760 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 761 | // are mounted upside down). |
| 762 | //Begin_Html |
| 763 | /* |
| 764 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
| 765 | */ |
| 766 | //End_Html |
| 767 | // Inputs: |
| 768 | // Double_t l[3][3] the error matrix represented in the detector |
| 769 | // local coordinate system |
| 770 | // Outputs: |
| 771 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 772 | // coordinate system |
| 773 | // Return: |
| 774 | // none. |
| df5240ea |
775 | Int_t i,j,k,m; |
| 85f1e34a |
776 | Double_t rt[3][3]; |
| 777 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
| 778 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
| df5240ea |
779 | |
| 780 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 85f1e34a |
781 | rt[i][k] = a0[i][j]*fm[j][k]; |
| df5240ea |
782 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 85f1e34a |
783 | rt[i][k] = a1[i][j]*fm[j][k]; |
| ecb0c8bc |
784 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 785 | g[i][m] = 0.0; |
| 786 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 787 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; |
| 788 | } // end for i,m |
| 789 | // g = R l R^t |
| df5240ea |
790 | return; |
| 791 | } |
| 792 | //---------------------------------------------------------------------- |
| 024a4246 |
793 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
| 023ae34b |
794 | // Standard output format for this class but it includes variable |
| 795 | // names and formatting that makes it easer to read. |
| 796 | // Inputs: |
| 797 | // ostream *os The output stream to print the title on |
| 798 | // Outputs: |
| 799 | // none. |
| 800 | // Return: |
| 801 | // none. |
| df5240ea |
802 | Int_t i,j; |
| 803 | |
| 804 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; |
| 805 | for(i=0;i<3;i++) *os << fid[i] << " "; |
| 806 | *os << "} frot[3]={"; |
| 807 | for(i=0;i<3;i++) *os << frot[i] << " "; |
| 808 | *os << "} ftran[3]={"; |
| 809 | for(i=0;i<3;i++) *os << ftran[i] << " "; |
| 810 | *os << "} fm[3][3]={"; |
| 811 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} |
| 812 | *os << "}" << endl; |
| 813 | return; |
| 814 | } |
| 815 | //---------------------------------------------------------------------- |
| 024a4246 |
816 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
| 023ae34b |
817 | // output format used by Print. |
| 818 | // Inputs: |
| 819 | // ostream *os The output stream to print the comments on |
| 820 | // Outputs: |
| 821 | // none. |
| 822 | // Return: |
| 823 | // none. |
| 8253cd9a |
824 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
| 825 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; |
| 826 | *os << "fm[2][0] fm[2][1] fm[2][2] "; |
| 827 | return; |
| 828 | } |
| 829 | //---------------------------------------------------------------------- |
| 5cf690c1 |
830 | void AliITSgeomMatrix::Print(ostream *os)const{ |
| 023ae34b |
831 | // Standard output format for this class. |
| 832 | // Inputs: |
| 833 | // ostream *os The output stream to print the class data on |
| 834 | // Outputs: |
| 835 | // none. |
| 836 | // Return: |
| 837 | // none. |
| df5240ea |
838 | Int_t i,j; |
| 431a7819 |
839 | #if defined __GNUC__ |
| 840 | #if __GNUC__ > 2 |
| 841 | ios::fmtflags fmt; |
| 842 | #else |
| 843 | Int_t fmt; |
| 844 | #endif |
| 94831058 |
845 | #else |
| 9f69211c |
846 | #if defined __ICC || defined __ECC || defined __xlC__ |
| 94831058 |
847 | ios::fmtflags fmt; |
| 431a7819 |
848 | #else |
| 31b8cd63 |
849 | Int_t fmt; |
| 94831058 |
850 | #endif |
| 431a7819 |
851 | #endif |
| df5240ea |
852 | |
| 8253cd9a |
853 | fmt = os->setf(ios::scientific); // set scientific floating point output |
| df5240ea |
854 | *os << fDetectorIndex << " "; |
| 855 | for(i=0;i<3;i++) *os << fid[i] << " "; |
| 8253cd9a |
856 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
| 857 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; |
| 858 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << |
| 859 | fm[i][j] << " "; |
| 023ae34b |
860 | *os << fPath.Length()<< " "; |
| 861 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; |
| df5240ea |
862 | *os << endl; |
| 8253cd9a |
863 | os->flags(fmt); // reset back to old formating. |
| df5240ea |
864 | return; |
| 865 | } |
| 866 | //---------------------------------------------------------------------- |
| 8253cd9a |
867 | void AliITSgeomMatrix::Read(istream *is){ |
| 023ae34b |
868 | // Standard input format for this class. |
| 869 | // Inputs: |
| 870 | // istream *is The input stream to read on |
| 871 | // Outputs: |
| 872 | // none. |
| 873 | // Return: |
| 874 | // none. |
| df5240ea |
875 | Int_t i,j; |
| 876 | |
| 877 | *is >> fDetectorIndex; |
| 878 | for(i=0;i<3;i++) *is >> fid[i]; |
| 8253cd9a |
879 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
| df5240ea |
880 | for(i=0;i<3;i++) *is >> ftran[i]; |
| 881 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; |
| 5cf690c1 |
882 | while(is->peek()==' ')is->get(); // skip white spaces |
| 883 | if(isprint(is->peek())){ // old format did not have path. |
| 884 | *is >> j; // string length |
| 885 | fPath.Resize(j); |
| 886 | for(i=0;i<j;i++) {*is >> fPath[i];} |
| 887 | } // end if |
| 8253cd9a |
888 | AngleFromMatrix(); // compute angles frot[]. |
| d8cc8493 |
889 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 890 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 891 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| df5240ea |
892 | return; |
| 893 | } |
| d8cc8493 |
894 | //______________________________________________________________________ |
| 895 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ |
| 896 | // Stream an object of class AliITSgeomMatrix. |
| 023ae34b |
897 | // Inputs: |
| 898 | // TBuffer &R__b The output buffer to stream data on. |
| 899 | // Outputs: |
| 900 | // none. |
| 901 | // Return: |
| 902 | // none. |
| d8cc8493 |
903 | |
| 023ae34b |
904 | if (R__b.IsReading()) { |
| 905 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); |
| 906 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 907 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 908 | this->AngleFromMatrix(); |
| 909 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| 910 | } else { |
| 911 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); |
| 912 | } // end if |
| d8cc8493 |
913 | } |
| 024a4246 |
914 | //______________________________________________________________________ |
| 915 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ |
| 023ae34b |
916 | // Sets the translation vector and computes fCylR and fCylPhi. |
| 917 | // Inputs: |
| 918 | // Double_t trans[3] The translation vector to be used |
| 919 | // Outputs: |
| 920 | // none. |
| 921 | // Return: |
| 922 | // none. |
| 923 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; |
| 924 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 925 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 926 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); |
| 927 | } |
| 928 | //---------------------------------------------------------------------- |
| 6b0f3880 |
929 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
| 023ae34b |
930 | // This class is used as part of the documentation of this class |
| 931 | // Inputs: |
| 932 | // none. |
| 933 | // Outputs: |
| 934 | // none. |
| 935 | // Return: |
| 936 | // A pointer to a new TPolyLine3D object showing the 3 line |
| 937 | // segments that make up the this local axis in the global |
| 938 | // reference system. |
| 939 | Float_t gf[15]; |
| 940 | Double_t g[5][3]; |
| 941 | 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}, |
| 942 | {0.0,0.0,1.0}}; |
| 943 | Int_t i; |
| 944 | |
| 945 | for(i=0;i<5;i++) { |
| 946 | LtoGPosition(l[i],g[i]); |
| 947 | gf[3*i]=(Float_t)g[i][0]; |
| 948 | gf[3*i+1]=(Float_t)g[i][1]; |
| 949 | gf[3*i+2]=(Float_t)g[i][2]; |
| 950 | } // end for i |
| 951 | return new TPolyLine3D(5,gf); |
| 952 | } |
| 953 | //---------------------------------------------------------------------- |
| 6b0f3880 |
954 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
| 023ae34b |
955 | // This class is used as part of the documentation of this class |
| 956 | // Inputs: |
| 957 | // none. |
| 958 | // Outputs: |
| 959 | // none. |
| 960 | // Return: |
| 961 | // A pointer to a new TPolyLine3D object showing the 3 line |
| 962 | // segments that make up the this local axis in the global |
| 963 | // reference system. |
| 964 | Float_t gf[15]; |
| 965 | Double_t g[5][3]; |
| 966 | 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}, |
| 967 | {0.0,0.0,1.0}}; |
| 968 | Int_t i; |
| 969 | |
| 970 | for(i=0;i<5;i++) { |
| 971 | LtoGPositionTracking(l[i],g[i]); |
| 972 | gf[3*i]=(Float_t)g[i][0]; |
| 973 | gf[3*i+1]=(Float_t)g[i][1]; |
| 974 | gf[3*i+2]=(Float_t)g[i][2]; |
| 975 | } // end for i |
| 976 | return new TPolyLine3D(5,gf); |
| 977 | } |
| 978 | //---------------------------------------------------------------------- |
| 979 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, |
| 980 | const Char_t *nodeTitle,TNode *mother, |
| 6b0f3880 |
981 | TShape *shape,Bool_t axis) const { |
| 023ae34b |
982 | // Creates a node inside of the node mother out of the shape shape |
| 983 | // in the position, with respect to mother, indecated by "this". If axis |
| 984 | // is ture, it will insert an axis within this node/shape. |
| 985 | // Inputs: |
| 986 | // Char_t *nodeName This name of this node |
| 987 | // Char_t *nodeTitle This node title |
| 988 | // TNode *mother The node this node will be inside of/with respect to |
| 989 | // TShape *shape The shape of this node |
| 990 | // Bool_t axis If ture, a set of x,y,z axis will be included |
| 991 | // Outputs: |
| 992 | // none. |
| 993 | // Return: |
| 994 | // A pointer to "this" node. |
| 995 | Double_t trans[3],matrix[3][3],*matr; |
| 996 | TRotMatrix *rot = new TRotMatrix(); |
| 997 | TString name,title; |
| 998 | |
| 999 | matr = &(matrix[0][0]); |
| 1000 | this->GetTranslation(trans); |
| 1001 | this->GetMatrix(matrix); |
| 1002 | rot->SetMatrix(matr); |
| 1003 | // |
| 1004 | name = nodeName; |
| 1005 | title = nodeTitle; |
| 1006 | // |
| 1007 | mother->cd(); |
| 1008 | TNode *node1 = new TNode(name.Data(),title.Data(),shape,trans[0],trans[1],trans[2],rot); |
| 1009 | if(axis){ |
| 1010 | Int_t i,j; |
| 6b0f3880 |
1011 | const Float_t kScale=0.5,kLw=0.2; |
| 1012 | Float_t xchar[13][2]={{0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, |
| 1013 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, |
| 1014 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, |
| 1015 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, |
| 1016 | {0.5*kLw,1.}}; |
| 1017 | Float_t ychar[10][2]={{.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, |
| 1018 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, |
| 1019 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, |
| 1020 | {.5-0.5*kLw,0.}}; |
| 1021 | Float_t zchar[11][2]={{0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, |
| 1022 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, |
| 023ae34b |
1023 | {0.,1.}}; |
| 1024 | for(i=0;i<13;i++)for(j=0;j<2;j++){ |
| 6b0f3880 |
1025 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
| 1026 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; |
| 1027 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; |
| 023ae34b |
1028 | } // end for i,j |
| 1029 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); |
| 1030 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); |
| 6b0f3880 |
1031 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
| 023ae34b |
1032 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
| 1033 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); |
| 6b0f3880 |
1034 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
| 023ae34b |
1035 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
| 1036 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); |
| 6b0f3880 |
1037 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
| 1038 | Float_t lxy[13][2]={{-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, |
| 1039 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, |
| 1040 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, |
| 1041 | {-0.5*kLw,-0.5*kLw}}; |
| 023ae34b |
1042 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
| 1043 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); |
| 6b0f3880 |
1044 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
| 1045 | Float_t lz[8][2]={{0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, |
| 1046 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, |
| 1047 | {0.5*kLw,-0.5*kLw}}; |
| 023ae34b |
1048 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
| 1049 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); |
| 6b0f3880 |
1050 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
| 023ae34b |
1051 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
| 1052 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); |
| 1053 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); |
| 1054 | // |
| 1055 | node1->cd(); |
| 1056 | title = name.Append("axisxy"); |
| 1057 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); |
| 1058 | title = name.Append("axisz"); |
| 1059 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz,0.,0.,0.,yaxis90); |
| 1060 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, |
| 1061 | lxy[3][0],lxy[3][1],0.0); |
| 1062 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, |
| 1063 | lxy[3][0],lxy[3][1],0.0,yaxis90); |
| 1064 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, |
| 1065 | lxy[3][0],lxy[3][1],0.0,zaxis90); |
| 1066 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, |
| 1067 | lxy[9][0],lxy[9][1],0.0); |
| 1068 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, |
| 1069 | lxy[9][0],lxy[9][1],0.0,yaxis90); |
| 1070 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, |
| 1071 | lxy[9][0],lxy[9][1],0.0,zaxis90); |
| 1072 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, |
| 1073 | 0.0,0.0,lz[3][0]); |
| 1074 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, |
| 1075 | 0.0,0.0,lz[3][0],yaxis90); |
| 1076 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, |
| 1077 | 0.0,0.0,lz[3][0],zaxis90); |
| 1078 | nodeaxy->Draw(); |
| 1079 | nodeaz->Draw(); |
| 1080 | textboxX0->Draw(); |
| 1081 | textboxX1->Draw(); |
| 1082 | textboxX2->Draw(); |
| 1083 | textboxY0->Draw(); |
| 1084 | textboxY1->Draw(); |
| 1085 | textboxY2->Draw(); |
| 1086 | textboxZ0->Draw(); |
| 1087 | textboxZ1->Draw(); |
| 1088 | textboxZ2->Draw(); |
| 1089 | } // end if |
| 1090 | mother->cd(); |
| 1091 | return node1; |
| 024a4246 |
1092 | } |
| 023ae34b |
1093 | //---------------------------------------------------------------------- |
| 6b0f3880 |
1094 | void AliITSgeomMatrix::MakeFigures() const { |
| 023ae34b |
1095 | // make figures to help document this class |
| 1096 | // Inputs: |
| 1097 | // none. |
| 1098 | // Outputs: |
| 1099 | // none. |
| 1100 | // Return: |
| 1101 | // none. |
| 6b0f3880 |
1102 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
| 1103 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm |
| 023ae34b |
1104 | 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}, |
| 1105 | {0.0,0.0,1.0}}; |
| 1106 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. |
| 5385facc |
1107 | #if ROOT_VERSION_CODE>= 331523 |
| 1108 | Double_t rmin[]={-1,-1,-1}; |
| 1109 | Double_t rmax[]={ 1, 1, 1}; |
| 1110 | TView *view = new TView3D(1,rmin,rmax); |
| 1111 | #else |
| 023ae34b |
1112 | TView *view = new TView(1); // Create Cartesian coordiante view |
| 5385facc |
1113 | #endif |
| 6b0f3880 |
1114 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
| 1115 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); |
| 023ae34b |
1116 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
| 1117 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); |
| 1118 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); |
| 1119 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); |
| 024a4246 |
1120 | |
| 023ae34b |
1121 | det->SetLineColor(0); // black |
| 1122 | det->SetLineStyle(1); // solid line |
| 1123 | det->SetLineWidth(2); // pixel units |
| 1124 | det->SetFillColor(1); // black |
| 1125 | det->SetFillStyle(4010); // window is 90% transparent |
| 1126 | arrow->SetLineColor(det->GetLineColor()); |
| 1127 | arrow->SetLineWidth(det->GetLineWidth()); |
| 1128 | arrow->SetLineStyle(det->GetLineStyle()); |
| 1129 | arrow->SetFillColor(1); // black |
| 1130 | arrow->SetFillStyle(4100); // window is 100% opaque |
| 6b0f3880 |
1131 | arrow->DefineSection(0,0.0,0.0,kRmax); |
| 1132 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); |
| 1133 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); |
| 023ae34b |
1134 | // |
| 1135 | TNode *node0 = new TNode("NODE0","NODE0",mother); |
| 1136 | node0->cd(); |
| 1137 | TNode *node1 = new TNode("NODE1","NODE1",det); |
| 1138 | node1->cd(); |
| 1139 | TNode *nodex = new TNode("NODEx","NODEx",arrow,l[0][0],l[0][1],l[0][2],xarrow); |
| 1140 | TNode *nodey = new TNode("NODEy","NODEy",arrow,l[2][0],l[2][1],l[2][2],yarrow); |
| 1141 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); |
| 1142 | // |
| 1143 | axis->Draw(); |
| 1144 | nodex->Draw(); |
| 1145 | nodey->Draw(); |
| 1146 | nodez->Draw(); |
| 1147 | |
| 1148 | // |
| 1149 | node0->cd(); |
| 1150 | node0->Draw(); |
| 1151 | c->Update(); |
| 1152 | c->SaveAs("AliITSgeomMatrix_L1.gif"); |
| 1153 | } |
| df5240ea |
1154 | //---------------------------------------------------------------------- |
| 1155 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ |
| 023ae34b |
1156 | // Standard output streaming function. |
| 1157 | // Inputs: |
| 1158 | // ostream &os The output stream to print the class data on |
| 1159 | // AliITSgeomMatrix &p This class |
| 1160 | // Outputs: |
| 1161 | // none. |
| 1162 | // Return: |
| 1163 | // none. |
| df5240ea |
1164 | |
| 8253cd9a |
1165 | p.Print(&os); |
| df5240ea |
1166 | return os; |
| 1167 | } |
| 1168 | //---------------------------------------------------------------------- |
| 1169 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ |
| 023ae34b |
1170 | // Standard input streaming function. |
| 1171 | // Inputs: |
| 1172 | // ostream &os The input stream to print the class data on |
| 1173 | // AliITSgeomMatrix &p This class |
| 1174 | // Outputs: |
| 1175 | // none. |
| 1176 | // Return: |
| 1177 | // none. |
| df5240ea |
1178 | |
| 8253cd9a |
1179 | r.Read(&is); |
| df5240ea |
1180 | return is; |
| 1181 | } |
| 8253cd9a |
1182 | //---------------------------------------------------------------------- |
git://git.uio.no / u / mrichter / AliRoot.git / blame