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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(): |
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50 | TObject(), // Base Class. |
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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; |
| 87 | }// end for i |
| 88 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; |
| 89 | } |
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90 | |
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91 | //---------------------------------------------------------------------- |
| e56160b8 |
92 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
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93 | TObject(source), // Base Class. |
| 94 | fDetectorIndex(source.fDetectorIndex),// Detector type index (like |
| 95 | // fShapeIndex was) |
| 96 | fid(), // layer, ladder, detector numbers. |
| 97 | frot(), //! vector of rotations about x,y,z [radians]. |
| 98 | ftran(), // Translation vector of module x,y,z. |
| 99 | fCylR(source.fCylR), //! R Translation in Cylinderical coordinates |
| 100 | fCylPhi(source.fCylPhi),//! Phi Translation vector in Cylindrical coord. |
| 101 | fm(), // Rotation matrix based on frot. |
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102 | fPath(source.fPath){ |
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103 | // The standard Copy constructor. This make a full / proper copy of |
| 104 | // this class. |
| 105 | // Inputs: |
| 106 | // AliITSgeomMatrix &source The source of this copy |
| 107 | // Outputs: |
| 108 | // none. |
| 109 | // Return: |
| 110 | // A copy constructes AliITSgeomMatrix class. |
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111 | Int_t i,j; |
| 112 | |
| 113 | for(i=0;i<3;i++){ |
| 114 | this->fid[i] = source.fid[i]; |
| 115 | this->frot[i] = source.frot[i]; |
| 116 | this->ftran[i] = source.ftran[i]; |
| 117 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; |
| 118 | }// end for i |
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119 | } |
| 120 | //---------------------------------------------------------------------- |
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121 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
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122 | // The standard = operator. This make a full / proper copy of |
| 123 | // this class. |
| 124 | // The standard Copy constructor. This make a full / proper copy of |
| 125 | // this class. |
| 126 | // Inputs: |
| 127 | // AliITSgeomMatrix &source The source of this copy |
| 128 | // Outputs: |
| 129 | // none. |
| 130 | // Return: |
| 131 | // A copy of the source AliITSgeomMatrix class. |
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132 | |
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133 | if(this == &source)return *this; |
| 134 | Int_t i,j; |
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135 | |
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136 | this->fDetectorIndex = source.fDetectorIndex; |
| 137 | this->fCylR = source.fCylR; |
| 138 | this->fCylPhi = source.fCylPhi; |
| 139 | for(i=0;i<3;i++){ |
| 140 | this->fid[i] = source.fid[i]; |
| 141 | this->frot[i] = source.frot[i]; |
| 142 | this->ftran[i] = source.ftran[i]; |
| 143 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; |
| 144 | } // end for i |
| 145 | this->fPath = source.fPath; |
| 146 | return *this; |
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147 | } |
| 148 | //---------------------------------------------------------------------- |
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149 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
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150 | const Double_t rot[3],const Double_t tran[3]): |
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151 | TObject(), // Base class |
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152 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
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153 | fid(), // layer, ladder, detector numbers. |
| 154 | frot(), //! vector of rotations about x,y,z [radians]. |
| 155 | ftran(), // Translation vector of module x,y,z. |
| 156 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| 157 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| 158 | fm(), // Rotation matrix based on frot. |
| 159 | fPath(){ // Path in geometry to this moduel |
| 160 | // This is a constructor for the AliITSgeomMatrix class. The matrix is |
| 161 | // defined by 3 standard rotation angles [radians], and the translation |
| 162 | // vector tran [cm]. In addition the layer, ladder, and detector number |
| 163 | // for this particular module and the type of module must be given. |
| 164 | // The full rotation matrix is kept so that the evaluation |
| 165 | // of a coordinate transformation can be done quickly and with a minimum |
| 166 | // of CPU overhead. The basic coordinate systems are the ALICE global |
| 167 | // coordinate system and the detector local coordinate system. In general |
| 168 | // this structure is not limited to just those two coordinate systems. |
| 169 | //Begin_Html |
| 170 | /* |
| 171 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| 172 | */ |
| 173 | //End_Html |
| 174 | // Inputs: |
| 175 | // Int_t idt The detector index value |
| 176 | // Int_t id[3] The layer, ladder, and detector numbers |
| 177 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] |
| 178 | // Double_t tran[3] The 3 Cartician translation distnaces |
| 179 | // Outputs: |
| 180 | // none. |
| 181 | // Return: |
| 182 | // A properly inilized AliITSgeomMatrix class. |
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183 | Int_t i; |
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184 | |
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185 | for(i=0;i<3;i++){ |
| 186 | fid[i] = id[i]; |
| 187 | frot[i] = rot[i]; |
| 188 | ftran[i] = tran[i]; |
| 189 | }// end for i |
| 190 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 191 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 547a9bad |
192 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
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193 | this->MatrixFromAngle(); |
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194 | } |
| 195 | //---------------------------------------------------------------------- |
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196 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
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197 | Double_t matrix[3][3], |
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198 | const Double_t tran[3]): |
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199 | TObject(), // Base class |
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200 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
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201 | fid(), // layer, ladder, detector numbers. |
| 202 | frot(), //! vector of rotations about x,y,z [radians]. |
| 203 | ftran(), // Translation vector of module x,y,z. |
| 204 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| 205 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| 206 | fm(), // Rotation matrix based on frot. |
| 207 | fPath(){ // Path in geometry to this module |
| 208 | // This is a constructor for the AliITSgeomMatrix class. The |
| 209 | // rotation matrix is given as one of the inputs, and the |
| 210 | // translation vector tran [cm]. In addition the layer, ladder, |
| 211 | // and detector number for this particular module and the type of |
| 212 | // module must be given. The full rotation matrix is kept so that |
| 213 | // the evaluation of a coordinate transformation can be done quickly |
| 214 | // and with a minimum of CPU overhead. The basic coordinate systems |
| 215 | // are the ALICE global coordinate system and the detector local |
| 216 | // coordinate system. In general this structure is not limited to just |
| 217 | // those two coordinate systems. |
| 218 | //Begin_Html |
| 219 | /* |
| 220 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| 221 | */ |
| 222 | //End_Html |
| 223 | // Inputs: |
| 224 | // Int_t idt The detector index value |
| 225 | // Int_t id[3] The layer, ladder, and detector numbers |
| 226 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix |
| 227 | // Double_t tran[3] The 3 Cartician translation distnaces |
| 228 | // Outputs: |
| 229 | // none. |
| 230 | // Return: |
| 231 | // A properly inilized AliITSgeomMatrix class. |
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232 | Int_t i,j; |
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233 | |
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234 | for(i=0;i<3;i++){ |
| 235 | fid[i] = id[i]; |
| 236 | ftran[i] = tran[i]; |
| 237 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; |
| 238 | }// end for i |
| 239 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 240 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
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241 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
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242 | this->AngleFromMatrix(); |
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243 | } |
| 244 | //---------------------------------------------------------------------- |
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245 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
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246 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
| 247 | // the array ang which must be at least [6] long. |
| 248 | // Inputs: |
| 249 | // none. |
| 250 | // Outputs: |
| 251 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
| 252 | // Return: |
| 253 | // noting |
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254 | Double_t si,c=180./TMath::Pi(); |
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255 | const Double_t epsil=1.e-15; |
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256 | |
| 257 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); |
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258 | if( !(TMath::AreEqualAbs(TMath::Cos(ang[1]),0.,epsil))) si = fm[0][0]/TMath::Cos(ang[1]); |
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259 | else si = fm[0][1]/TMath::Sin(ang[1]); |
| 260 | ang[0] = TMath::ATan2(si,fm[0][2]); |
| 261 | |
| 262 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); |
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263 | if(!(TMath::AreEqualAbs(TMath::Cos(ang[3]),0.,epsil))) si = fm[1][0]/TMath::Cos(ang[3]); |
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264 | else si = fm[1][1]/TMath::Sin(ang[3]); |
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265 | ang[2] = TMath::ATan2(si,fm[1][2]); |
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266 | |
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267 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
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268 | if(!(TMath::AreEqualAbs(TMath::Cos(ang[5]),0.,epsil))) si = fm[2][0]/TMath::Cos(ang[5]); |
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269 | else si = fm[2][1]/TMath::Sin(ang[5]); |
| 270 | ang[4] = TMath::ATan2(si,fm[2][2]); |
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271 | |
| 272 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} |
| 273 | } |
| 274 | //---------------------------------------------------------------------- |
| 275 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ |
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276 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
| 277 | // set the rotations matrix and 3 standard rotation angles [radians]. |
| 278 | // These angles and rotation matrix are overwrite the existing values in |
| 279 | // this class. |
| 280 | // Inputs: |
| 281 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
| 282 | // Outputs: |
| 283 | // none. |
| 284 | // Return: |
| 285 | // noting |
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286 | Int_t i,j; |
| 287 | Double_t si,lr[9],c=TMath::Pi()/180.; |
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288 | const Double_t epsil = 1.e-15; |
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289 | |
| 290 | si = TMath::Sin(c*ang[0]); |
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291 | if(TMath::AreEqualAbs(ang[0],90.,epsil)) si = +1.0; |
| 292 | if(TMath::AreEqualAbs(ang[0],270.,epsil)) si = -1.0; |
| 293 | if(TMath::AreEqualAbs(ang[0],0.,epsil) ||TMath::AreEqualAbs(ang[0],180.,epsil)) si = 0.0; |
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294 | lr[0] = si * TMath::Cos(c*ang[1]); |
| 295 | lr[1] = si * TMath::Sin(c*ang[1]); |
| 296 | lr[2] = TMath::Cos(c*ang[0]); |
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297 | if(TMath::AreEqualAbs(ang[0],90.,epsil)||TMath::AreEqualAbs(ang[0],270.,epsil)) lr[2] = 0.0; |
| 298 | if(TMath::AreEqualAbs(ang[0],0.,epsil)) lr[2] = +1.0; |
| 299 | if(TMath::AreEqualAbs(ang[0],180.,epsil)) lr[2] = -1.0; |
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300 | // |
| 301 | si = TMath::Sin(c*ang[2]); |
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302 | if(TMath::AreEqualAbs(ang[2],90.,epsil)) si = +1.0; |
| 303 | if(TMath::AreEqualAbs(ang[2],270.,epsil)) si = -1.0; |
| 304 | if(TMath::AreEqualAbs(ang[2],0.,epsil) || TMath::AreEqualAbs(ang[2],180.,epsil)) si = 0.0; |
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305 | lr[3] = si * TMath::Cos(c*ang[3]); |
| 306 | lr[4] = si * TMath::Sin(c*ang[3]); |
| 307 | lr[5] = TMath::Cos(c*ang[2]); |
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308 | if(TMath::AreEqualAbs(ang[2],90.,epsil) || TMath::AreEqualAbs(ang[2],270.,epsil)) lr[5] = 0.0; |
| 309 | if(TMath::AreEqualAbs(ang[2],0.,epsil)) lr[5] = +1.0; |
| 310 | if(TMath::AreEqualAbs(ang[2],180.,epsil)) lr[5] = -1.0; |
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311 | // |
| 312 | si = TMath::Sin(c*ang[4]); |
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313 | if(TMath::AreEqualAbs(ang[4],90.,epsil)) si = +1.0; |
| 314 | if(TMath::AreEqualAbs(ang[4],270.0,epsil)) si = -1.0; |
| 315 | if(TMath::AreEqualAbs(ang[4],0.,epsil)|| TMath::AreEqualAbs(ang[4],180.,epsil)) si = 0.0; |
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316 | lr[6] = si * TMath::Cos(c*ang[5]); |
| 317 | lr[7] = si * TMath::Sin(c*ang[5]); |
| 318 | lr[8] = TMath::Cos(c*ang[4]); |
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319 | if(TMath::AreEqualAbs(ang[4],90.0,epsil) ||TMath::AreEqualAbs(ang[4],270.,epsil)) lr[8] = 0.0; |
| 320 | if(TMath::AreEqualAbs(ang[4],0.,epsil)) lr[8] = +1.0; |
| 321 | if(TMath::AreEqualAbs(ang[4],180.0,epsil)) lr[8] = -1.0; |
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322 | // Normalize these elements and fill matrix fm. |
| 323 | for(i=0;i<3;i++){// reuse si. |
| 324 | si = 0.0; |
| 325 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; |
| 326 | si = TMath::Sqrt(1./si); |
| 327 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; |
| 328 | } // end for i |
| 329 | this->AngleFromMatrix(); |
| 330 | } |
| 331 | //---------------------------------------------------------------------- |
| 332 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, |
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333 | Int_t idt,const Int_t id[3], |
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334 | const Double_t tran[3]): |
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335 | TObject(), // Base class |
| 336 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
| 337 | fid(), // layer, ladder, detector numbers. |
| 338 | frot(), //! vector of rotations about x,y,z [radians]. |
| 339 | ftran(), // Translation vector of module x,y,z. |
| 340 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
| 341 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
| 342 | fm(), // Rotation matrix based on frot. |
| 343 | fPath(){ // Path in geometry to this module |
| 023ae34b |
344 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
| 345 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and |
| 346 | // the translation vector tran [cm]. In addition the layer, ladder, |
| 347 | // and detector number for this particular module and the type of |
| 348 | // module must be given. The full rotation matrix is kept so that |
| 349 | // the evaluation of a coordinate transformation can be done |
| 350 | // quickly and with a minimum of CPU overhead. The basic coordinate |
| 351 | // systems are the ALICE global coordinate system and the detector |
| 352 | // local coordinate system. In general this structure is not limited |
| 353 | // to just those two coordinate systems. |
| 354 | //Begin_Html |
| 355 | /* |
| 356 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
| 357 | */ |
| 358 | //End_Html |
| 359 | // Inputs: |
| 360 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] |
| 361 | // Int_t idt The module Id number |
| 362 | // Int_t id[3] The layer, ladder and detector number |
| 363 | // Double_t tran[3] The translation vector |
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364 | Int_t i; |
| 365 | |
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366 | for(i=0;i<3;i++){ |
| 367 | fid[i] = id[i]; |
| 368 | ftran[i] = tran[i]; |
| 369 | }// end for i |
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370 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 371 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
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372 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
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373 | this->MatrixFromSixAngles(rotd); |
| 374 | } |
| 375 | //---------------------------------------------------------------------- |
| 376 | void AliITSgeomMatrix::AngleFromMatrix(){ |
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377 | // Computes the angles from the rotation matrix up to a phase of |
| e16acbad |
378 | // 180 degrees. The matrix used in AliITSgeomMatrix::MatrixFromAngle() |
| 379 | // and its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in |
| 380 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where |
| 78d2d72a |
381 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
| 382 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 |
| 383 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 |
| e16acbad |
384 | // The choice of the since of S, comes from the choice between |
| 385 | // the rotation of the object or the coordinate system (view). I think |
| 386 | // that this choice is the first, the rotation of the object. |
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387 | // Inputs: |
| 388 | // none |
| 389 | // Outputs: |
| 390 | // none |
| 391 | // Return: |
| 392 | // none |
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393 | Double_t rx,ry,rz; |
| 394 | // get angles from matrix up to a phase of 180 degrees. |
| 395 | |
| 396 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); |
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397 | ry = TMath::ASin(-fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
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398 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
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399 | frot[0] = rx; |
| 400 | frot[1] = ry; |
| 401 | frot[2] = rz; |
| 402 | return; |
| 403 | } |
| 404 | //---------------------------------------------------------------------- |
| 405 | void AliITSgeomMatrix::MatrixFromAngle(){ |
| 023ae34b |
406 | // Computes the Rotation matrix from the angles [radians] kept in this |
| e16acbad |
407 | // class. The matrix used in AliITSgeomMatrix::MatrixFromAngle() and |
| 408 | // its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in |
| 409 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where |
| 78d2d72a |
410 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
| 411 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 |
| 412 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 |
| e16acbad |
413 | // The choice of the since of S, comes from the choice between |
| 414 | // the rotation of the object or the coordinate system (view). I think |
| 415 | // that this choice is the first, the rotation of the object. |
| 023ae34b |
416 | // Inputs: |
| 417 | // none |
| 418 | // Outputs: |
| 419 | // none |
| 420 | // Return: |
| 421 | // none |
| 012f0f4c |
422 | Double_t sx,sy,sz,cx,cy,cz; |
| df5240ea |
423 | |
| 012f0f4c |
424 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); |
| 425 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); |
| 426 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); |
| 427 | fm[0][0] = +cz*cy; // fr[0] |
| 428 | fm[0][1] = +cz*sy*sx - sz*cx; // fr[1] |
| 429 | fm[0][2] = +cz*sy*cx + sz*sx; // fr[2] |
| 430 | fm[1][0] = +sz*cy; // fr[3] |
| 431 | fm[1][1] = +sz*sy*sx + cz*cx; // fr[4] |
| 432 | fm[1][2] = +sz*sy*cx - cz*sx; // fr[5] |
| 433 | fm[2][0] = -sy; // fr[6] |
| 434 | fm[2][1] = +cy*sx; // fr[7] |
| 435 | fm[2][2] = +cy*cx; // fr[8] |
| df5240ea |
436 | } |
| 012f0f4c |
437 | //---------------------------------------------------------------------- |
| 438 | void AliITSgeomMatrix::SetEulerAnglesChi(const Double_t ang[3]){ |
| 439 | // Computes the Rotation matrix from the Euler angles [radians], |
| 440 | // Chi-convention, kept in this class. The matrix used in |
| 441 | // AliITSgeomMatrix::SetEulerAnglesChi and |
| 442 | // its inverse AliITSgeomMatrix::GetEulerAnglesChi() are defined in |
| 443 | // the following ways, R = Rb*Rc*Rd (M=R*L+T) where |
| 444 | // C2 +S2 0 1 0 0 C0 +S0 0 |
| 445 | // Rb=-S2 C2 0 Rc= 0 C1 +S1 Rd=-S0 C0 0 |
| 446 | // 0 0 1 0 -S1 C1 0 0 1 |
| 447 | // This form is taken from Wolfram Research's Geometry> |
| 448 | // Transformations>Rotations web page (also should be |
| 449 | // found in their book). |
| 450 | // Inputs: |
| 451 | // Double_t ang[3] The three Euler Angles Phi, Theta, Psi |
| 452 | // Outputs: |
| 453 | // none |
| 454 | // Return: |
| 455 | // none |
| 456 | Double_t s0,s1,s2,c0,c1,c2; |
| 78d2d72a |
457 | |
| 012f0f4c |
458 | s0 = TMath::Sin(ang[0]); c0 = TMath::Cos(ang[0]); |
| 459 | s1 = TMath::Sin(ang[1]); c1 = TMath::Cos(ang[1]); |
| 460 | s2 = TMath::Sin(ang[2]); c2 = TMath::Cos(ang[2]); |
| 461 | fm[0][0] = +c2*c0-c1*s0*s2; // fr[0] |
| 462 | fm[0][1] = +c2*s0+c1*c0*s2; // fr[1] |
| 463 | fm[0][2] = +s2*s1; // fr[2] |
| 464 | fm[1][0] = -s2*c0-c1*s0*c2; // fr[3] |
| 465 | fm[1][1] = -s2*s0+c1*c0*c2; // fr[4] |
| 466 | fm[1][2] = +c2*s1; // fr[5] |
| 467 | fm[2][0] = s1*s0; // fr[6] |
| 468 | fm[2][1] = -s1*c0; // fr[7] |
| 469 | fm[2][2] = +c1; // fr[8] |
| 470 | AngleFromMatrix(); |
| 471 | return ; |
| 472 | } |
| df5240ea |
473 | //---------------------------------------------------------------------- |
| 024a4246 |
474 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
| 023ae34b |
475 | // Returns the local coordinates given the global coordinates [cm]. |
| 476 | // Inputs: |
| 477 | // Double_t g[3] The position represented in the ALICE |
| 478 | // global coordinate system |
| 479 | // Outputs: |
| 480 | // Double_t l[3] The poistion represented in the local |
| 481 | // detector coordiante system |
| 482 | // Return: |
| 483 | // none |
| 012f0f4c |
484 | Int_t i,j; |
| 485 | Double_t g[3]; |
| df5240ea |
486 | |
| 012f0f4c |
487 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; |
| 488 | for(i=0;i<3;i++){ |
| 489 | l[i] = 0.0; |
| 490 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
| 491 | // g = R l + translation |
| 492 | } // end for i |
| 493 | return; |
| df5240ea |
494 | } |
| 495 | //---------------------------------------------------------------------- |
| 024a4246 |
496 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
| 023ae34b |
497 | // Returns the global coordinates given the local coordinates [cm]. |
| 498 | // Inputs: |
| 499 | // Double_t l[3] The poistion represented in the detector |
| 500 | // local coordinate system |
| 501 | // Outputs: |
| 502 | // Double_t g[3] The poistion represented in the ALICE |
| 503 | // Global coordinate system |
| 504 | // Return: |
| 505 | // none. |
| 012f0f4c |
506 | Int_t i,j; |
| df5240ea |
507 | |
| 012f0f4c |
508 | for(i=0;i<3;i++){ |
| 509 | g[i] = 0.0; |
| 510 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
| 511 | g[i] += ftran[i]; |
| 512 | // g = R^t l + translation |
| 513 | } // end for i |
| 514 | return; |
| df5240ea |
515 | } |
| 516 | //---------------------------------------------------------------------- |
| 024a4246 |
517 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
| 023ae34b |
518 | // Returns the local coordinates of the momentum given the global |
| 519 | // coordinates of the momentum. It transforms just like GtoLPosition |
| 520 | // except that the translation vector is zero. |
| 521 | // Inputs: |
| 522 | // Double_t g[3] The momentum represented in the ALICE global |
| 523 | // coordinate system |
| 524 | // Outputs: |
| 525 | // Double_t l[3] the momentum represented in the detector |
| 526 | // local coordinate system |
| 527 | // Return: |
| 528 | // none. |
| 012f0f4c |
529 | Int_t i,j; |
| df5240ea |
530 | |
| 012f0f4c |
531 | for(i=0;i<3;i++){ |
| 532 | l[i] = 0.0; |
| 533 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
| 534 | // g = R l |
| 535 | } // end for i |
| 536 | return; |
| df5240ea |
537 | } |
| 538 | //---------------------------------------------------------------------- |
| 024a4246 |
539 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
| 023ae34b |
540 | // Returns the Global coordinates of the momentum given the local |
| 541 | // coordinates of the momentum. It transforms just like LtoGPosition |
| 542 | // except that the translation vector is zero. |
| 543 | // Inputs: |
| 544 | // Double_t l[3] the momentum represented in the detector |
| 545 | // local coordinate system |
| 546 | // Outputs: |
| 547 | // Double_t g[3] The momentum represented in the ALICE global |
| 548 | // coordinate system |
| 549 | // Return: |
| 550 | // none. |
| 012f0f4c |
551 | Int_t i,j; |
| df5240ea |
552 | |
| 012f0f4c |
553 | for(i=0;i<3;i++){ |
| 554 | g[i] = 0.0; |
| 555 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
| 556 | // g = R^t l |
| 557 | } // end for i |
| 558 | return; |
| df5240ea |
559 | } |
| 560 | //---------------------------------------------------------------------- |
| 023ae34b |
561 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
| 562 | Double_t l[3][3]) const { |
| 563 | // Given an Uncertainty matrix in Global coordinates it is |
| 564 | // rotated so that its representation in local coordinates can |
| 565 | // be returned. There is no effect due to the translation vector |
| 566 | // or its uncertainty. |
| 567 | // Inputs: |
| 568 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 569 | // coordinate system |
| 570 | // Outputs: |
| 571 | // Double_t l[3][3] the error matrix represented in the detector |
| 572 | // local coordinate system |
| 573 | // Return: |
| 574 | // none. |
| 012f0f4c |
575 | Int_t i,j,k,m; |
| df5240ea |
576 | |
| 012f0f4c |
577 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 578 | l[i][m] = 0.0; |
| 579 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 580 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; |
| 581 | } // end for i,m |
| 582 | // g = R^t l R |
| 583 | return; |
| df5240ea |
584 | } |
| 585 | //---------------------------------------------------------------------- |
| 023ae34b |
586 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
| 024a4246 |
587 | Double_t g[3][3]) const { |
| 023ae34b |
588 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
| 589 | // its representation in global coordinates can be returned. There is no |
| 590 | // effect due to the translation vector or its uncertainty. |
| 591 | // Inputs: |
| 592 | // Double_t l[3][3] the error matrix represented in the detector |
| 593 | // local coordinate system |
| 594 | // Outputs: |
| 595 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 596 | // coordinate system |
| 597 | // Return: |
| 598 | // none. |
| 012f0f4c |
599 | Int_t i,j,k,m; |
| df5240ea |
600 | |
| 012f0f4c |
601 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 602 | g[i][m] = 0.0; |
| 603 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 604 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; |
| 605 | } // end for i,m |
| 606 | // g = R l R^t |
| 607 | return; |
| df5240ea |
608 | } |
| 609 | //---------------------------------------------------------------------- |
| 023ae34b |
610 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
| 611 | Double_t l[3]) const { |
| 612 | // A slightly different coordinate system is used when tracking. |
| 613 | // This coordinate system is only relevant when the geometry represents |
| 614 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 615 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 616 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 617 | // are mounted upside down). |
| 618 | //Begin_Html |
| 619 | /* |
| 620 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 621 | */ |
| 622 | //End_Html |
| 623 | // Inputs: |
| 624 | // Double_t g[3] The position represented in the ALICE |
| 625 | // global coordinate system |
| 626 | // Outputs: |
| 627 | // Double_t l[3] The poistion represented in the local |
| 628 | // detector coordiante system |
| 629 | // Return: |
| 630 | // none |
| df5240ea |
631 | Double_t l0[3]; |
| 632 | |
| 023ae34b |
633 | this->GtoLPosition(g,l0); |
| df5240ea |
634 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 635 | // with respect to the others. |
| 636 | l[0] = +l0[1]; |
| 637 | l[1] = -l0[0]; |
| 638 | l[2] = +l0[2]; |
| 639 | }else{ |
| 640 | l[0] = -l0[1]; |
| 641 | l[1] = +l0[0]; |
| 642 | l[2] = +l0[2]; |
| 643 | } // end if |
| 644 | return; |
| 645 | } |
| 646 | //---------------------------------------------------------------------- |
| 647 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], |
| 023ae34b |
648 | Double_t g[3]) const { |
| 649 | // A slightly different coordinate system is used when tracking. |
| 650 | // This coordinate system is only relevant when the geometry represents |
| 651 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 652 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 653 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 654 | // are mounted upside down). |
| 655 | //Begin_Html |
| 656 | /* |
| 657 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 658 | */ |
| 659 | //End_Html |
| 660 | // Inputs: |
| 661 | // Double_t l[3] The poistion represented in the detector |
| 662 | // local coordinate system |
| 663 | // Outputs: |
| 664 | // Double_t g[3] The poistion represented in the ALICE |
| 665 | // Global coordinate system |
| 666 | // Return: |
| 667 | // none. |
| df5240ea |
668 | Double_t l0[3]; |
| 669 | |
| 670 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 671 | // with respect to the others. |
| 672 | l0[0] = -l[1]; |
| 673 | l0[1] = +l[0]; |
| 674 | l0[2] = +l[2]; |
| 675 | }else{ |
| 676 | l0[0] = +l[1]; |
| 677 | l0[1] = -l[0]; |
| 678 | l0[2] = +l[2]; |
| 679 | } // end if |
| 680 | this->LtoGPosition(l0,g); |
| 681 | return; |
| 682 | } |
| 683 | //---------------------------------------------------------------------- |
| 684 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], |
| 023ae34b |
685 | Double_t l[3]) const { |
| 686 | // A slightly different coordinate system is used when tracking. |
| 687 | // This coordinate system is only relevant when the geometry represents |
| 688 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 689 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 690 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 691 | // are mounted upside down). |
| 692 | //Begin_Html |
| 693 | /* |
| 694 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 695 | */ |
| 696 | //End_Html |
| 697 | // Inputs: |
| 698 | // Double_t g[3] The momentum represented in the ALICE global |
| 699 | // coordinate system |
| 700 | // Outputs: |
| 701 | // Double_t l[3] the momentum represented in the detector |
| 702 | // local coordinate system |
| 703 | // Return: |
| 704 | // none. |
| df5240ea |
705 | Double_t l0[3]; |
| 706 | |
| 707 | this->GtoLMomentum(g,l0); |
| 708 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 709 | // with respect to the others. |
| 710 | l[0] = +l0[1]; |
| 711 | l[1] = -l0[0]; |
| 712 | l[2] = +l0[2]; |
| 713 | }else{ |
| 714 | l[0] = -l0[1]; |
| 715 | l[1] = +l0[0]; |
| 716 | l[2] = +l0[2]; |
| 717 | } // end if |
| 718 | return; |
| df5240ea |
719 | } |
| 720 | //---------------------------------------------------------------------- |
| 721 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], |
| 023ae34b |
722 | Double_t g[3]) const { |
| 723 | // A slightly different coordinate system is used when tracking. |
| 724 | // This coordinate system is only relevant when the geometry represents |
| 725 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 726 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 727 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 728 | // are mounted upside down). |
| 729 | //Begin_Html |
| 730 | /* |
| 731 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
| 732 | */ |
| 733 | //End_Html |
| 734 | // Inputs: |
| 735 | // Double_t l[3] the momentum represented in the detector |
| 736 | // local coordinate system |
| 737 | // Outputs: |
| 738 | // Double_t g[3] The momentum represented in the ALICE global |
| 739 | // coordinate system |
| 740 | // Return: |
| 741 | // none. |
| df5240ea |
742 | Double_t l0[3]; |
| 743 | |
| 744 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
| 745 | // with respect to the others. |
| 746 | l0[0] = -l[1]; |
| 747 | l0[1] = +l[0]; |
| 748 | l0[2] = +l[2]; |
| 749 | }else{ |
| 750 | l0[0] = +l[1]; |
| 751 | l0[1] = -l[0]; |
| 752 | l0[2] = +l[2]; |
| 753 | } // end if |
| 754 | this->LtoGMomentum(l0,g); |
| 755 | return; |
| 756 | } |
| 757 | //---------------------------------------------------------------------- |
| 023ae34b |
758 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
| 759 | Double_t l[3][3]) const { |
| 760 | // A slightly different coordinate system is used when tracking. |
| 761 | // This coordinate system is only relevant when the geometry represents |
| 762 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 763 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 764 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 765 | // are mounted upside down). |
| 766 | //Begin_Html |
| 767 | /* |
| 768 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
| 769 | */ |
| 770 | //End_Html |
| 771 | // Inputs: |
| 772 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 773 | // coordinate system |
| 774 | // Outputs: |
| 775 | // Double_t l[3][3] the error matrix represented in the detector |
| 776 | // local coordinate system |
| 777 | // Return: |
| 012f0f4c |
778 | Int_t i,j,k,m; |
| 779 | Double_t rt[3][3]; |
| 780 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
| 781 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
| df5240ea |
782 | |
| 012f0f4c |
783 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 784 | rt[i][k] = a0[i][j]*fm[j][k]; |
| 785 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 786 | rt[i][k] = a1[i][j]*fm[j][k]; |
| 787 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 788 | l[i][m] = 0.0; |
| 789 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 790 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; |
| 791 | } // end for i,m |
| 792 | // g = R^t l R |
| 793 | return; |
| df5240ea |
794 | } |
| 795 | //---------------------------------------------------------------------- |
| 023ae34b |
796 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
| 797 | Double_t g[3][3]) const { |
| 798 | // A slightly different coordinate system is used when tracking. |
| 799 | // This coordinate system is only relevant when the geometry represents |
| 800 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
| 801 | // alone but X -> -Y and Y -> X such that X always points out of the |
| 802 | // ITS Cylinder for every layer including layer 1 (where the detector |
| 803 | // are mounted upside down). |
| 804 | //Begin_Html |
| 805 | /* |
| 806 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
| 807 | */ |
| 808 | //End_Html |
| 809 | // Inputs: |
| 810 | // Double_t l[3][3] the error matrix represented in the detector |
| 811 | // local coordinate system |
| 812 | // Outputs: |
| 813 | // Double_t g[3][3] The error matrix represented in the ALICE global |
| 814 | // coordinate system |
| 815 | // Return: |
| 816 | // none. |
| 012f0f4c |
817 | Int_t i,j,k,m; |
| 818 | Double_t rt[3][3]; |
| 819 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
| 820 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
| df5240ea |
821 | |
| 012f0f4c |
822 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 823 | rt[i][k] = a0[i][j]*fm[j][k]; |
| 824 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 825 | rt[i][k] = a1[i][j]*fm[j][k]; |
| 826 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
| 827 | g[i][m] = 0.0; |
| 828 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
| 829 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; |
| 830 | } // end for i,m |
| 831 | // g = R l R^t |
| 832 | return; |
| df5240ea |
833 | } |
| 834 | //---------------------------------------------------------------------- |
| 024a4246 |
835 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
| 023ae34b |
836 | // Standard output format for this class but it includes variable |
| 837 | // names and formatting that makes it easer to read. |
| 838 | // Inputs: |
| 839 | // ostream *os The output stream to print the title on |
| 840 | // Outputs: |
| 841 | // none. |
| 842 | // Return: |
| 843 | // none. |
| df5240ea |
844 | Int_t i,j; |
| 845 | |
| 846 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; |
| 847 | for(i=0;i<3;i++) *os << fid[i] << " "; |
| 848 | *os << "} frot[3]={"; |
| 849 | for(i=0;i<3;i++) *os << frot[i] << " "; |
| 850 | *os << "} ftran[3]={"; |
| 851 | for(i=0;i<3;i++) *os << ftran[i] << " "; |
| 852 | *os << "} fm[3][3]={"; |
| 853 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} |
| 854 | *os << "}" << endl; |
| 855 | return; |
| 856 | } |
| 857 | //---------------------------------------------------------------------- |
| 024a4246 |
858 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
| 023ae34b |
859 | // output format used by Print. |
| 860 | // Inputs: |
| 861 | // ostream *os The output stream to print the comments on |
| 862 | // Outputs: |
| 863 | // none. |
| 864 | // Return: |
| 865 | // none. |
| 8253cd9a |
866 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
| 867 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; |
| 868 | *os << "fm[2][0] fm[2][1] fm[2][2] "; |
| 869 | return; |
| 870 | } |
| 871 | //---------------------------------------------------------------------- |
| 5cf690c1 |
872 | void AliITSgeomMatrix::Print(ostream *os)const{ |
| 023ae34b |
873 | // Standard output format for this class. |
| 874 | // Inputs: |
| 875 | // ostream *os The output stream to print the class data on |
| 876 | // Outputs: |
| 877 | // none. |
| 878 | // Return: |
| 879 | // none. |
| df5240ea |
880 | Int_t i,j; |
| 431a7819 |
881 | #if defined __GNUC__ |
| 882 | #if __GNUC__ > 2 |
| 883 | ios::fmtflags fmt; |
| 884 | #else |
| 885 | Int_t fmt; |
| 886 | #endif |
| 94831058 |
887 | #else |
| 9f69211c |
888 | #if defined __ICC || defined __ECC || defined __xlC__ |
| 94831058 |
889 | ios::fmtflags fmt; |
| 431a7819 |
890 | #else |
| 31b8cd63 |
891 | Int_t fmt; |
| 94831058 |
892 | #endif |
| 431a7819 |
893 | #endif |
| df5240ea |
894 | |
| 8253cd9a |
895 | fmt = os->setf(ios::scientific); // set scientific floating point output |
| df5240ea |
896 | *os << fDetectorIndex << " "; |
| 897 | for(i=0;i<3;i++) *os << fid[i] << " "; |
| 8253cd9a |
898 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
| 899 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; |
| 900 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << |
| 901 | fm[i][j] << " "; |
| 023ae34b |
902 | *os << fPath.Length()<< " "; |
| 903 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; |
| df5240ea |
904 | *os << endl; |
| 8253cd9a |
905 | os->flags(fmt); // reset back to old formating. |
| df5240ea |
906 | return; |
| 907 | } |
| 908 | //---------------------------------------------------------------------- |
| 8253cd9a |
909 | void AliITSgeomMatrix::Read(istream *is){ |
| 023ae34b |
910 | // Standard input format for this class. |
| 911 | // Inputs: |
| 912 | // istream *is The input stream to read on |
| 913 | // Outputs: |
| 914 | // none. |
| 915 | // Return: |
| 916 | // none. |
| df5240ea |
917 | Int_t i,j; |
| 918 | |
| 919 | *is >> fDetectorIndex; |
| 920 | for(i=0;i<3;i++) *is >> fid[i]; |
| 8253cd9a |
921 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
| df5240ea |
922 | for(i=0;i<3;i++) *is >> ftran[i]; |
| 923 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; |
| 5cf690c1 |
924 | while(is->peek()==' ')is->get(); // skip white spaces |
| 925 | if(isprint(is->peek())){ // old format did not have path. |
| 926 | *is >> j; // string length |
| 927 | fPath.Resize(j); |
| 928 | for(i=0;i<j;i++) {*is >> fPath[i];} |
| 929 | } // end if |
| 8253cd9a |
930 | AngleFromMatrix(); // compute angles frot[]. |
| d8cc8493 |
931 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 932 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 547a9bad |
933 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
| df5240ea |
934 | return; |
| 935 | } |
| d8cc8493 |
936 | //______________________________________________________________________ |
| 937 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ |
| 938 | // Stream an object of class AliITSgeomMatrix. |
| 023ae34b |
939 | // Inputs: |
| 940 | // TBuffer &R__b The output buffer to stream data on. |
| 941 | // Outputs: |
| 942 | // none. |
| 943 | // Return: |
| 944 | // none. |
| d8cc8493 |
945 | |
| 023ae34b |
946 | if (R__b.IsReading()) { |
| 947 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); |
| 948 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 949 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 950 | this->AngleFromMatrix(); |
| 547a9bad |
951 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
| 023ae34b |
952 | } else { |
| 953 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); |
| 954 | } // end if |
| d8cc8493 |
955 | } |
| 024a4246 |
956 | //______________________________________________________________________ |
| 957 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ |
| 023ae34b |
958 | // Sets the translation vector and computes fCylR and fCylPhi. |
| 959 | // Inputs: |
| 960 | // Double_t trans[3] The translation vector to be used |
| 961 | // Outputs: |
| 962 | // none. |
| 963 | // Return: |
| 964 | // none. |
| 965 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; |
| 966 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
| 967 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
| 547a9bad |
968 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
| 023ae34b |
969 | } |
| 970 | //---------------------------------------------------------------------- |
| 6b0f3880 |
971 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
| 023ae34b |
972 | // This class is used as part of the documentation of this class |
| 973 | // Inputs: |
| 974 | // none. |
| 975 | // Outputs: |
| 976 | // none. |
| 977 | // Return: |
| 978 | // A pointer to a new TPolyLine3D object showing the 3 line |
| 979 | // segments that make up the this local axis in the global |
| 980 | // reference system. |
| 981 | Float_t gf[15]; |
| 982 | Double_t g[5][3]; |
| 983 | 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}, |
| 984 | {0.0,0.0,1.0}}; |
| 985 | Int_t i; |
| 986 | |
| 987 | for(i=0;i<5;i++) { |
| 988 | LtoGPosition(l[i],g[i]); |
| 989 | gf[3*i]=(Float_t)g[i][0]; |
| 990 | gf[3*i+1]=(Float_t)g[i][1]; |
| 991 | gf[3*i+2]=(Float_t)g[i][2]; |
| 992 | } // end for i |
| 993 | return new TPolyLine3D(5,gf); |
| 994 | } |
| 995 | //---------------------------------------------------------------------- |
| 6b0f3880 |
996 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
| 023ae34b |
997 | // This class is used as part of the documentation of this class |
| 998 | // Inputs: |
| 999 | // none. |
| 1000 | // Outputs: |
| 1001 | // none. |
| 1002 | // Return: |
| 1003 | // A pointer to a new TPolyLine3D object showing the 3 line |
| 1004 | // segments that make up the this local axis in the global |
| 1005 | // reference system. |
| 1006 | Float_t gf[15]; |
| 1007 | Double_t g[5][3]; |
| 1008 | 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}, |
| 1009 | {0.0,0.0,1.0}}; |
| 1010 | Int_t i; |
| 1011 | |
| 1012 | for(i=0;i<5;i++) { |
| 1013 | LtoGPositionTracking(l[i],g[i]); |
| 1014 | gf[3*i]=(Float_t)g[i][0]; |
| 1015 | gf[3*i+1]=(Float_t)g[i][1]; |
| 1016 | gf[3*i+2]=(Float_t)g[i][2]; |
| 1017 | } // end for i |
| 1018 | return new TPolyLine3D(5,gf); |
| 1019 | } |
| 1020 | //---------------------------------------------------------------------- |
| 1021 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, |
| 1022 | const Char_t *nodeTitle,TNode *mother, |
| 6b0f3880 |
1023 | TShape *shape,Bool_t axis) const { |
| 023ae34b |
1024 | // Creates a node inside of the node mother out of the shape shape |
| 1025 | // in the position, with respect to mother, indecated by "this". If axis |
| 1026 | // is ture, it will insert an axis within this node/shape. |
| 1027 | // Inputs: |
| 1028 | // Char_t *nodeName This name of this node |
| 1029 | // Char_t *nodeTitle This node title |
| 1030 | // TNode *mother The node this node will be inside of/with respect to |
| 1031 | // TShape *shape The shape of this node |
| 1032 | // Bool_t axis If ture, a set of x,y,z axis will be included |
| 1033 | // Outputs: |
| 1034 | // none. |
| 1035 | // Return: |
| 1036 | // A pointer to "this" node. |
| 1037 | Double_t trans[3],matrix[3][3],*matr; |
| 1038 | TRotMatrix *rot = new TRotMatrix(); |
| 1039 | TString name,title; |
| 1040 | |
| 1041 | matr = &(matrix[0][0]); |
| 1042 | this->GetTranslation(trans); |
| 1043 | this->GetMatrix(matrix); |
| 1044 | rot->SetMatrix(matr); |
| 1045 | // |
| 1046 | name = nodeName; |
| 1047 | title = nodeTitle; |
| 1048 | // |
| 1049 | mother->cd(); |
| 012f0f4c |
1050 | TNode *node1 = new TNode(name.Data(),title.Data(),shape, |
| 1051 | trans[0],trans[1],trans[2],rot); |
| 023ae34b |
1052 | if(axis){ |
| 1053 | Int_t i,j; |
| 6b0f3880 |
1054 | const Float_t kScale=0.5,kLw=0.2; |
| 012f0f4c |
1055 | Float_t xchar[13][2]={ |
| 1056 | {0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, |
| 1057 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, |
| 1058 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, |
| 1059 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, |
| 1060 | {0.5*kLw,1.}}; |
| 1061 | Float_t ychar[10][2]={ |
| 1062 | {.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, |
| 1063 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, |
| 1064 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, |
| 1065 | {.5-0.5*kLw,0.}}; |
| 1066 | Float_t zchar[11][2]={ |
| 1067 | {0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, |
| 1068 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, |
| 1069 | {0.,1.}}; |
| 023ae34b |
1070 | for(i=0;i<13;i++)for(j=0;j<2;j++){ |
| 6b0f3880 |
1071 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
| 1072 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; |
| 1073 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; |
| 023ae34b |
1074 | } // end for i,j |
| 1075 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); |
| 1076 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); |
| 6b0f3880 |
1077 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
| 023ae34b |
1078 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
| 1079 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); |
| 6b0f3880 |
1080 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
| 023ae34b |
1081 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
| 1082 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); |
| 6b0f3880 |
1083 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
| 012f0f4c |
1084 | Float_t lxy[13][2]={ |
| 1085 | {-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, |
| 1086 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, |
| 1087 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, |
| 1088 | {-0.5*kLw,-0.5*kLw}}; |
| 023ae34b |
1089 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
| 1090 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); |
| 6b0f3880 |
1091 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
| 012f0f4c |
1092 | Float_t lz[8][2]={ |
| 1093 | {0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, |
| 1094 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, |
| 1095 | {0.5*kLw,-0.5*kLw}}; |
| 023ae34b |
1096 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
| 1097 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); |
| 6b0f3880 |
1098 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
| 023ae34b |
1099 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
| 1100 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); |
| 1101 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); |
| 1102 | // |
| 1103 | node1->cd(); |
| 1104 | title = name.Append("axisxy"); |
| 1105 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); |
| 1106 | title = name.Append("axisz"); |
| 012f0f4c |
1107 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz, |
| 1108 | 0.,0.,0.,yaxis90); |
| 023ae34b |
1109 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, |
| 1110 | lxy[3][0],lxy[3][1],0.0); |
| 1111 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, |
| 1112 | lxy[3][0],lxy[3][1],0.0,yaxis90); |
| 1113 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, |
| 1114 | lxy[3][0],lxy[3][1],0.0,zaxis90); |
| 1115 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, |
| 1116 | lxy[9][0],lxy[9][1],0.0); |
| 1117 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, |
| 1118 | lxy[9][0],lxy[9][1],0.0,yaxis90); |
| 1119 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, |
| 1120 | lxy[9][0],lxy[9][1],0.0,zaxis90); |
| 1121 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, |
| 1122 | 0.0,0.0,lz[3][0]); |
| 1123 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, |
| 1124 | 0.0,0.0,lz[3][0],yaxis90); |
| 1125 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, |
| 1126 | 0.0,0.0,lz[3][0],zaxis90); |
| 1127 | nodeaxy->Draw(); |
| 1128 | nodeaz->Draw(); |
| 1129 | textboxX0->Draw(); |
| 1130 | textboxX1->Draw(); |
| 1131 | textboxX2->Draw(); |
| 1132 | textboxY0->Draw(); |
| 1133 | textboxY1->Draw(); |
| 1134 | textboxY2->Draw(); |
| 1135 | textboxZ0->Draw(); |
| 1136 | textboxZ1->Draw(); |
| 1137 | textboxZ2->Draw(); |
| 1138 | } // end if |
| 1139 | mother->cd(); |
| 1140 | return node1; |
| 024a4246 |
1141 | } |
| 023ae34b |
1142 | //---------------------------------------------------------------------- |
| 6b0f3880 |
1143 | void AliITSgeomMatrix::MakeFigures() const { |
| 023ae34b |
1144 | // make figures to help document this class |
| 1145 | // Inputs: |
| 1146 | // none. |
| 1147 | // Outputs: |
| 1148 | // none. |
| 1149 | // Return: |
| 1150 | // none. |
| 6b0f3880 |
1151 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
| 1152 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm |
| 023ae34b |
1153 | 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}, |
| 1154 | {0.0,0.0,1.0}}; |
| 1155 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. |
| 5385facc |
1156 | #if ROOT_VERSION_CODE>= 331523 |
| 1157 | Double_t rmin[]={-1,-1,-1}; |
| 1158 | Double_t rmax[]={ 1, 1, 1}; |
| 1159 | TView *view = new TView3D(1,rmin,rmax); |
| 1160 | #else |
| 023ae34b |
1161 | TView *view = new TView(1); // Create Cartesian coordiante view |
| 5385facc |
1162 | #endif |
| 6b0f3880 |
1163 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
| 1164 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); |
| 023ae34b |
1165 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
| 1166 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); |
| 1167 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); |
| 1168 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); |
| 024a4246 |
1169 | |
| 023ae34b |
1170 | det->SetLineColor(0); // black |
| 1171 | det->SetLineStyle(1); // solid line |
| 1172 | det->SetLineWidth(2); // pixel units |
| 1173 | det->SetFillColor(1); // black |
| 1174 | det->SetFillStyle(4010); // window is 90% transparent |
| 1175 | arrow->SetLineColor(det->GetLineColor()); |
| 1176 | arrow->SetLineWidth(det->GetLineWidth()); |
| 1177 | arrow->SetLineStyle(det->GetLineStyle()); |
| 1178 | arrow->SetFillColor(1); // black |
| 1179 | arrow->SetFillStyle(4100); // window is 100% opaque |
| 6b0f3880 |
1180 | arrow->DefineSection(0,0.0,0.0,kRmax); |
| 1181 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); |
| 1182 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); |
| 023ae34b |
1183 | // |
| 1184 | TNode *node0 = new TNode("NODE0","NODE0",mother); |
| 1185 | node0->cd(); |
| 1186 | TNode *node1 = new TNode("NODE1","NODE1",det); |
| 1187 | node1->cd(); |
| 012f0f4c |
1188 | TNode *nodex = new TNode("NODEx","NODEx",arrow, |
| 1189 | l[0][0],l[0][1],l[0][2],xarrow); |
| 1190 | TNode *nodey = new TNode("NODEy","NODEy",arrow, |
| 1191 | l[2][0],l[2][1],l[2][2],yarrow); |
| 023ae34b |
1192 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); |
| 1193 | // |
| 1194 | axis->Draw(); |
| 1195 | nodex->Draw(); |
| 1196 | nodey->Draw(); |
| 1197 | nodez->Draw(); |
| 1198 | |
| 1199 | // |
| 1200 | node0->cd(); |
| 1201 | node0->Draw(); |
| 1202 | c->Update(); |
| 1203 | c->SaveAs("AliITSgeomMatrix_L1.gif"); |
| 1204 | } |
| df5240ea |
1205 | //---------------------------------------------------------------------- |
| 1206 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ |
| 023ae34b |
1207 | // Standard output streaming function. |
| 1208 | // Inputs: |
| 1209 | // ostream &os The output stream to print the class data on |
| 1210 | // AliITSgeomMatrix &p This class |
| 1211 | // Outputs: |
| 1212 | // none. |
| 1213 | // Return: |
| 1214 | // none. |
| df5240ea |
1215 | |
| 8253cd9a |
1216 | p.Print(&os); |
| df5240ea |
1217 | return os; |
| 1218 | } |
| 1219 | //---------------------------------------------------------------------- |
| 1220 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ |
| 023ae34b |
1221 | // Standard input streaming function. |
| 1222 | // Inputs: |
| 1223 | // ostream &os The input stream to print the class data on |
| 1224 | // AliITSgeomMatrix &p This class |
| 1225 | // Outputs: |
| 1226 | // none. |
| 1227 | // Return: |
| 1228 | // none. |
| df5240ea |
1229 | |
| 8253cd9a |
1230 | r.Read(&is); |
| df5240ea |
1231 | return is; |
| 1232 | } |
| 8253cd9a |
1233 | //---------------------------------------------------------------------- |
git://git.uio.no / u / mrichter / AliRoot.git / blame