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df5240ea | 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 | ||
4ae5bbc4 | 29 | #include <Riostream.h> |
a1e17193 | 30 | #include <TClass.h> |
df5240ea | 31 | #include <TMath.h> |
32 | #include <TBuffer.h> | |
023ae34b | 33 | #include <TCanvas.h> |
5385facc | 34 | #if ROOT_VERSION_CODE>= 331523 |
35 | #include <TView3D.h> | |
36 | #else | |
023ae34b | 37 | #include <TView.h> |
5385facc | 38 | #endif |
023ae34b | 39 | #include <TPolyLine3D.h> |
023ae34b | 40 | #include <TNode.h> |
41 | #include <TPCON.h> | |
42 | #include <TBRIK.h> | |
43 | #include <TXTRU.h> | |
df5240ea | 44 | |
45 | #include "AliITSgeomMatrix.h" | |
46 | ||
47 | ClassImp(AliITSgeomMatrix) | |
48 | //---------------------------------------------------------------------- | |
023ae34b | 49 | AliITSgeomMatrix::AliITSgeomMatrix(): |
012f0f4c | 50 | TObject(), // Base Class. |
023ae34b | 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. | |
df5240ea | 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 | } | |
e56160b8 | 90 | |
df5240ea | 91 | //---------------------------------------------------------------------- |
e56160b8 | 92 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
012f0f4c | 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. | |
e56160b8 | 102 | fPath(source.fPath){ |
023ae34b | 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. | |
012f0f4c | 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 | |
df5240ea | 119 | } |
120 | //---------------------------------------------------------------------- | |
e56160b8 | 121 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
023ae34b | 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. | |
df5240ea | 132 | |
012f0f4c | 133 | if(this == &source)return *this; |
134 | Int_t i,j; | |
e56160b8 | 135 | |
012f0f4c | 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; | |
df5240ea | 147 | } |
148 | //---------------------------------------------------------------------- | |
6ba216a4 | 149 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
023ae34b | 150 | const Double_t rot[3],const Double_t tran[3]): |
012f0f4c | 151 | TObject(), // Base class |
4bfbde86 | 152 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 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. | |
d8cc8493 | 183 | Int_t i; |
df5240ea | 184 | |
d8cc8493 | 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(); |
d8cc8493 | 193 | this->MatrixFromAngle(); |
df5240ea | 194 | } |
195 | //---------------------------------------------------------------------- | |
6ba216a4 | 196 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
d962cab4 | 197 | Double_t matrix[3][3], |
023ae34b | 198 | const Double_t tran[3]): |
012f0f4c | 199 | TObject(), // Base class |
4bfbde86 | 200 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 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. | |
d8cc8493 | 232 | Int_t i,j; |
df5240ea | 233 | |
d8cc8493 | 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]); | |
547a9bad | 241 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
d8cc8493 | 242 | this->AngleFromMatrix(); |
df5240ea | 243 | } |
244 | //---------------------------------------------------------------------- | |
5cf690c1 | 245 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
023ae34b | 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 | |
df5240ea | 254 | Double_t si,c=180./TMath::Pi(); |
494c2a61 | 255 | const Double_t epsil=1.e-15; |
df5240ea | 256 | |
257 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); | |
494c2a61 | 258 | if( !(TMath::AreEqualAbs(TMath::Cos(ang[1]),0.,epsil))) si = fm[0][0]/TMath::Cos(ang[1]); |
df5240ea | 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]); | |
494c2a61 | 263 | if(!(TMath::AreEqualAbs(TMath::Cos(ang[3]),0.,epsil))) si = fm[1][0]/TMath::Cos(ang[3]); |
df5240ea | 264 | else si = fm[1][1]/TMath::Sin(ang[3]); |
3f616de1 | 265 | ang[2] = TMath::ATan2(si,fm[1][2]); |
df5240ea | 266 | |
3f616de1 | 267 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
494c2a61 | 268 | if(!(TMath::AreEqualAbs(TMath::Cos(ang[5]),0.,epsil))) si = fm[2][0]/TMath::Cos(ang[5]); |
3f616de1 | 269 | else si = fm[2][1]/TMath::Sin(ang[5]); |
270 | ang[4] = TMath::ATan2(si,fm[2][2]); | |
df5240ea | 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){ | |
023ae34b | 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 | |
df5240ea | 286 | Int_t i,j; |
287 | Double_t si,lr[9],c=TMath::Pi()/180.; | |
494c2a61 | 288 | const Double_t epsil = 1.e-15; |
df5240ea | 289 | |
290 | si = TMath::Sin(c*ang[0]); | |
494c2a61 | 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; | |
df5240ea | 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]); | |
494c2a61 | 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; | |
df5240ea | 300 | // |
301 | si = TMath::Sin(c*ang[2]); | |
494c2a61 | 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; | |
df5240ea | 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]); | |
494c2a61 | 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; | |
df5240ea | 311 | // |
312 | si = TMath::Sin(c*ang[4]); | |
494c2a61 | 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; | |
df5240ea | 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]); | |
494c2a61 | 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; | |
df5240ea | 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*/, | |
6ba216a4 | 333 | Int_t idt,const Int_t id[3], |
4bfbde86 | 334 | const Double_t tran[3]): |
012f0f4c | 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 | |
df5240ea | 364 | Int_t i; |
365 | ||
df5240ea | 366 | for(i=0;i<3;i++){ |
367 | fid[i] = id[i]; | |
368 | ftran[i] = tran[i]; | |
369 | }// end for i | |
d8cc8493 | 370 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
371 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
547a9bad | 372 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
df5240ea | 373 | this->MatrixFromSixAngles(rotd); |
374 | } | |
375 | //---------------------------------------------------------------------- | |
376 | void AliITSgeomMatrix::AngleFromMatrix(){ | |
023ae34b | 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. | |
023ae34b | 387 | // Inputs: |
388 | // none | |
389 | // Outputs: | |
390 | // none | |
391 | // Return: | |
392 | // none | |
df5240ea | 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(); | |
78d2d72a | 397 | ry = TMath::ASin(-fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
e16acbad | 398 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
df5240ea | 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 | //---------------------------------------------------------------------- |