]>
Commit | Line | Data |
---|---|---|
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 | |
d820c0ea | 45 | #include "AliLog.h" |
df5240ea | 46 | #include "AliITSgeomMatrix.h" |
47 | ||
fe7d86eb | 48 | using std::endl; |
49 | using std::cout; | |
50 | using std::ios; | |
51 | using std::setprecision; | |
df5240ea | 52 | ClassImp(AliITSgeomMatrix) |
53 | //---------------------------------------------------------------------- | |
023ae34b | 54 | AliITSgeomMatrix::AliITSgeomMatrix(): |
012f0f4c | 55 | TObject(), // Base Class. |
023ae34b | 56 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) |
57 | fid(), // layer, ladder, detector numbers. | |
58 | frot(), //! vector of rotations about x,y,z [radians]. | |
59 | ftran(), // Translation vector of module x,y,z. | |
60 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
61 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
62 | fm(), // Rotation matrix based on frot. | |
63 | fPath(){ // Path in geometry to this module | |
64 | // The Default constructor for the AliITSgeomMatrix class. By Default | |
65 | // the angles of rotations are set to zero, meaning that the rotation | |
66 | // matrix is the unit matrix. The translation vector is also set to | |
67 | // zero as are the module id number. The detector type is set to -1 | |
68 | // (an undefined value). The full rotation matrix is kept so that | |
69 | // the evaluation of a coordinate transformation can be done | |
70 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
71 | // systems are the ALICE global coordinate system and the detector | |
72 | // local coordinate system. In general this structure is not limited | |
73 | // to just those two coordinate systems. | |
74 | //Begin_Html | |
75 | /* | |
76 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
77 | */ | |
78 | //End_Html | |
79 | // Inputs: | |
80 | // none. | |
81 | // Outputs: | |
82 | // none. | |
83 | // Return: | |
84 | // A default constructes AliITSgeomMatrix class. | |
df5240ea | 85 | Int_t i,j; |
86 | ||
87 | fDetectorIndex = -1; // a value never defined. | |
88 | for(i=0;i<3;i++){ | |
89 | fid[i] = 0; | |
90 | frot[i] = ftran[i] = 0.0; | |
91 | for(j=0;j<3;j++) fm[i][j] = 0.0; | |
92 | }// end for i | |
93 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; | |
94 | } | |
e56160b8 | 95 | |
df5240ea | 96 | //---------------------------------------------------------------------- |
e56160b8 | 97 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
012f0f4c | 98 | TObject(source), // Base Class. |
99 | fDetectorIndex(source.fDetectorIndex),// Detector type index (like | |
100 | // fShapeIndex was) | |
101 | fid(), // layer, ladder, detector numbers. | |
102 | frot(), //! vector of rotations about x,y,z [radians]. | |
103 | ftran(), // Translation vector of module x,y,z. | |
104 | fCylR(source.fCylR), //! R Translation in Cylinderical coordinates | |
105 | fCylPhi(source.fCylPhi),//! Phi Translation vector in Cylindrical coord. | |
106 | fm(), // Rotation matrix based on frot. | |
e56160b8 | 107 | fPath(source.fPath){ |
023ae34b | 108 | // The standard Copy constructor. This make a full / proper copy of |
109 | // this class. | |
110 | // Inputs: | |
111 | // AliITSgeomMatrix &source The source of this copy | |
112 | // Outputs: | |
113 | // none. | |
114 | // Return: | |
115 | // A copy constructes AliITSgeomMatrix class. | |
012f0f4c | 116 | Int_t i,j; |
117 | ||
118 | for(i=0;i<3;i++){ | |
119 | this->fid[i] = source.fid[i]; | |
120 | this->frot[i] = source.frot[i]; | |
121 | this->ftran[i] = source.ftran[i]; | |
122 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
123 | }// end for i | |
df5240ea | 124 | } |
125 | //---------------------------------------------------------------------- | |
e56160b8 | 126 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
023ae34b | 127 | // The standard = operator. This make a full / proper copy of |
128 | // this class. | |
129 | // The standard Copy constructor. This make a full / proper copy of | |
130 | // this class. | |
131 | // Inputs: | |
132 | // AliITSgeomMatrix &source The source of this copy | |
133 | // Outputs: | |
134 | // none. | |
135 | // Return: | |
136 | // A copy of the source AliITSgeomMatrix class. | |
df5240ea | 137 | |
012f0f4c | 138 | if(this == &source)return *this; |
139 | Int_t i,j; | |
e56160b8 | 140 | |
012f0f4c | 141 | this->fDetectorIndex = source.fDetectorIndex; |
142 | this->fCylR = source.fCylR; | |
143 | this->fCylPhi = source.fCylPhi; | |
144 | for(i=0;i<3;i++){ | |
145 | this->fid[i] = source.fid[i]; | |
146 | this->frot[i] = source.frot[i]; | |
147 | this->ftran[i] = source.ftran[i]; | |
148 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
149 | } // end for i | |
150 | this->fPath = source.fPath; | |
151 | return *this; | |
df5240ea | 152 | } |
153 | //---------------------------------------------------------------------- | |
6ba216a4 | 154 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
023ae34b | 155 | const Double_t rot[3],const Double_t tran[3]): |
012f0f4c | 156 | TObject(), // Base class |
4bfbde86 | 157 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 158 | fid(), // layer, ladder, detector numbers. |
159 | frot(), //! vector of rotations about x,y,z [radians]. | |
160 | ftran(), // Translation vector of module x,y,z. | |
161 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
162 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
163 | fm(), // Rotation matrix based on frot. | |
164 | fPath(){ // Path in geometry to this moduel | |
165 | // This is a constructor for the AliITSgeomMatrix class. The matrix is | |
166 | // defined by 3 standard rotation angles [radians], and the translation | |
167 | // vector tran [cm]. In addition the layer, ladder, and detector number | |
168 | // for this particular module and the type of module must be given. | |
169 | // The full rotation matrix is kept so that the evaluation | |
170 | // of a coordinate transformation can be done quickly and with a minimum | |
171 | // of CPU overhead. The basic coordinate systems are the ALICE global | |
172 | // coordinate system and the detector local coordinate system. In general | |
173 | // this structure is not limited to just those two coordinate systems. | |
174 | //Begin_Html | |
175 | /* | |
176 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
177 | */ | |
178 | //End_Html | |
179 | // Inputs: | |
180 | // Int_t idt The detector index value | |
181 | // Int_t id[3] The layer, ladder, and detector numbers | |
182 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] | |
183 | // Double_t tran[3] The 3 Cartician translation distnaces | |
184 | // Outputs: | |
185 | // none. | |
186 | // Return: | |
187 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 188 | Int_t i; |
df5240ea | 189 | |
d8cc8493 | 190 | for(i=0;i<3;i++){ |
191 | fid[i] = id[i]; | |
192 | frot[i] = rot[i]; | |
193 | ftran[i] = tran[i]; | |
194 | }// end for i | |
195 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
196 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
547a9bad | 197 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
d8cc8493 | 198 | this->MatrixFromAngle(); |
df5240ea | 199 | } |
200 | //---------------------------------------------------------------------- | |
6ba216a4 | 201 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
d962cab4 | 202 | Double_t matrix[3][3], |
023ae34b | 203 | const Double_t tran[3]): |
012f0f4c | 204 | TObject(), // Base class |
4bfbde86 | 205 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 206 | fid(), // layer, ladder, detector numbers. |
207 | frot(), //! vector of rotations about x,y,z [radians]. | |
208 | ftran(), // Translation vector of module x,y,z. | |
209 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
210 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
211 | fm(), // Rotation matrix based on frot. | |
212 | fPath(){ // Path in geometry to this module | |
213 | // This is a constructor for the AliITSgeomMatrix class. The | |
214 | // rotation matrix is given as one of the inputs, and the | |
215 | // translation vector tran [cm]. In addition the layer, ladder, | |
216 | // and detector number for this particular module and the type of | |
217 | // module must be given. The full rotation matrix is kept so that | |
218 | // the evaluation of a coordinate transformation can be done quickly | |
219 | // and with a minimum of CPU overhead. The basic coordinate systems | |
220 | // are the ALICE global coordinate system and the detector local | |
221 | // coordinate system. In general this structure is not limited to just | |
222 | // those two coordinate systems. | |
223 | //Begin_Html | |
224 | /* | |
225 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
226 | */ | |
227 | //End_Html | |
228 | // Inputs: | |
229 | // Int_t idt The detector index value | |
230 | // Int_t id[3] The layer, ladder, and detector numbers | |
231 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix | |
232 | // Double_t tran[3] The 3 Cartician translation distnaces | |
233 | // Outputs: | |
234 | // none. | |
235 | // Return: | |
236 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 237 | Int_t i,j; |
df5240ea | 238 | |
d8cc8493 | 239 | for(i=0;i<3;i++){ |
240 | fid[i] = id[i]; | |
241 | ftran[i] = tran[i]; | |
242 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; | |
243 | }// end for i | |
244 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
245 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
547a9bad | 246 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
d8cc8493 | 247 | this->AngleFromMatrix(); |
df5240ea | 248 | } |
249 | //---------------------------------------------------------------------- | |
5cf690c1 | 250 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
023ae34b | 251 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
252 | // the array ang which must be at least [6] long. | |
253 | // Inputs: | |
254 | // none. | |
255 | // Outputs: | |
256 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
257 | // Return: | |
258 | // noting | |
df5240ea | 259 | Double_t si,c=180./TMath::Pi(); |
494c2a61 | 260 | const Double_t epsil=1.e-15; |
df5240ea | 261 | |
262 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); | |
494c2a61 | 263 | if( !(TMath::AreEqualAbs(TMath::Cos(ang[1]),0.,epsil))) si = fm[0][0]/TMath::Cos(ang[1]); |
df5240ea | 264 | else si = fm[0][1]/TMath::Sin(ang[1]); |
265 | ang[0] = TMath::ATan2(si,fm[0][2]); | |
266 | ||
267 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); | |
494c2a61 | 268 | if(!(TMath::AreEqualAbs(TMath::Cos(ang[3]),0.,epsil))) si = fm[1][0]/TMath::Cos(ang[3]); |
df5240ea | 269 | else si = fm[1][1]/TMath::Sin(ang[3]); |
3f616de1 | 270 | ang[2] = TMath::ATan2(si,fm[1][2]); |
df5240ea | 271 | |
3f616de1 | 272 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
494c2a61 | 273 | if(!(TMath::AreEqualAbs(TMath::Cos(ang[5]),0.,epsil))) si = fm[2][0]/TMath::Cos(ang[5]); |
3f616de1 | 274 | else si = fm[2][1]/TMath::Sin(ang[5]); |
275 | ang[4] = TMath::ATan2(si,fm[2][2]); | |
df5240ea | 276 | |
277 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} | |
278 | } | |
279 | //---------------------------------------------------------------------- | |
280 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ | |
023ae34b | 281 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
282 | // set the rotations matrix and 3 standard rotation angles [radians]. | |
283 | // These angles and rotation matrix are overwrite the existing values in | |
284 | // this class. | |
285 | // Inputs: | |
286 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
287 | // Outputs: | |
288 | // none. | |
289 | // Return: | |
290 | // noting | |
df5240ea | 291 | Int_t i,j; |
292 | Double_t si,lr[9],c=TMath::Pi()/180.; | |
494c2a61 | 293 | const Double_t epsil = 1.e-15; |
df5240ea | 294 | |
295 | si = TMath::Sin(c*ang[0]); | |
494c2a61 | 296 | if(TMath::AreEqualAbs(ang[0],90.,epsil)) si = +1.0; |
297 | if(TMath::AreEqualAbs(ang[0],270.,epsil)) si = -1.0; | |
298 | if(TMath::AreEqualAbs(ang[0],0.,epsil) ||TMath::AreEqualAbs(ang[0],180.,epsil)) si = 0.0; | |
df5240ea | 299 | lr[0] = si * TMath::Cos(c*ang[1]); |
300 | lr[1] = si * TMath::Sin(c*ang[1]); | |
301 | lr[2] = TMath::Cos(c*ang[0]); | |
494c2a61 | 302 | if(TMath::AreEqualAbs(ang[0],90.,epsil)||TMath::AreEqualAbs(ang[0],270.,epsil)) lr[2] = 0.0; |
303 | if(TMath::AreEqualAbs(ang[0],0.,epsil)) lr[2] = +1.0; | |
304 | if(TMath::AreEqualAbs(ang[0],180.,epsil)) lr[2] = -1.0; | |
df5240ea | 305 | // |
306 | si = TMath::Sin(c*ang[2]); | |
494c2a61 | 307 | if(TMath::AreEqualAbs(ang[2],90.,epsil)) si = +1.0; |
308 | if(TMath::AreEqualAbs(ang[2],270.,epsil)) si = -1.0; | |
309 | if(TMath::AreEqualAbs(ang[2],0.,epsil) || TMath::AreEqualAbs(ang[2],180.,epsil)) si = 0.0; | |
df5240ea | 310 | lr[3] = si * TMath::Cos(c*ang[3]); |
311 | lr[4] = si * TMath::Sin(c*ang[3]); | |
312 | lr[5] = TMath::Cos(c*ang[2]); | |
494c2a61 | 313 | if(TMath::AreEqualAbs(ang[2],90.,epsil) || TMath::AreEqualAbs(ang[2],270.,epsil)) lr[5] = 0.0; |
314 | if(TMath::AreEqualAbs(ang[2],0.,epsil)) lr[5] = +1.0; | |
315 | if(TMath::AreEqualAbs(ang[2],180.,epsil)) lr[5] = -1.0; | |
df5240ea | 316 | // |
317 | si = TMath::Sin(c*ang[4]); | |
494c2a61 | 318 | if(TMath::AreEqualAbs(ang[4],90.,epsil)) si = +1.0; |
319 | if(TMath::AreEqualAbs(ang[4],270.0,epsil)) si = -1.0; | |
320 | if(TMath::AreEqualAbs(ang[4],0.,epsil)|| TMath::AreEqualAbs(ang[4],180.,epsil)) si = 0.0; | |
df5240ea | 321 | lr[6] = si * TMath::Cos(c*ang[5]); |
322 | lr[7] = si * TMath::Sin(c*ang[5]); | |
323 | lr[8] = TMath::Cos(c*ang[4]); | |
494c2a61 | 324 | if(TMath::AreEqualAbs(ang[4],90.0,epsil) ||TMath::AreEqualAbs(ang[4],270.,epsil)) lr[8] = 0.0; |
325 | if(TMath::AreEqualAbs(ang[4],0.,epsil)) lr[8] = +1.0; | |
326 | if(TMath::AreEqualAbs(ang[4],180.0,epsil)) lr[8] = -1.0; | |
df5240ea | 327 | // Normalize these elements and fill matrix fm. |
328 | for(i=0;i<3;i++){// reuse si. | |
329 | si = 0.0; | |
330 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; | |
331 | si = TMath::Sqrt(1./si); | |
332 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; | |
333 | } // end for i | |
334 | this->AngleFromMatrix(); | |
335 | } | |
336 | //---------------------------------------------------------------------- | |
337 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, | |
6ba216a4 | 338 | Int_t idt,const Int_t id[3], |
4bfbde86 | 339 | const Double_t tran[3]): |
012f0f4c | 340 | TObject(), // Base class |
341 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) | |
342 | fid(), // layer, ladder, detector numbers. | |
343 | frot(), //! vector of rotations about x,y,z [radians]. | |
344 | ftran(), // Translation vector of module x,y,z. | |
345 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
346 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
347 | fm(), // Rotation matrix based on frot. | |
348 | fPath(){ // Path in geometry to this module | |
023ae34b | 349 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
350 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and | |
351 | // the translation vector tran [cm]. In addition the layer, ladder, | |
352 | // and detector number for this particular module and the type of | |
353 | // module must be given. The full rotation matrix is kept so that | |
354 | // the evaluation of a coordinate transformation can be done | |
355 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
356 | // systems are the ALICE global coordinate system and the detector | |
357 | // local coordinate system. In general this structure is not limited | |
358 | // to just those two coordinate systems. | |
359 | //Begin_Html | |
360 | /* | |
361 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
362 | */ | |
363 | //End_Html | |
364 | // Inputs: | |
365 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] | |
366 | // Int_t idt The module Id number | |
367 | // Int_t id[3] The layer, ladder and detector number | |
368 | // Double_t tran[3] The translation vector | |
df5240ea | 369 | Int_t i; |
370 | ||
df5240ea | 371 | for(i=0;i<3;i++){ |
372 | fid[i] = id[i]; | |
373 | ftran[i] = tran[i]; | |
374 | }// end for i | |
d8cc8493 | 375 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
376 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
547a9bad | 377 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
df5240ea | 378 | this->MatrixFromSixAngles(rotd); |
379 | } | |
380 | //---------------------------------------------------------------------- | |
381 | void AliITSgeomMatrix::AngleFromMatrix(){ | |
023ae34b | 382 | // Computes the angles from the rotation matrix up to a phase of |
e16acbad | 383 | // 180 degrees. The matrix used in AliITSgeomMatrix::MatrixFromAngle() |
384 | // and its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
385 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
78d2d72a | 386 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
387 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 | |
388 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 | |
e16acbad | 389 | // The choice of the since of S, comes from the choice between |
390 | // the rotation of the object or the coordinate system (view). I think | |
391 | // that this choice is the first, the rotation of the object. | |
023ae34b | 392 | // Inputs: |
393 | // none | |
394 | // Outputs: | |
395 | // none | |
396 | // Return: | |
397 | // none | |
df5240ea | 398 | Double_t rx,ry,rz; |
399 | // get angles from matrix up to a phase of 180 degrees. | |
400 | ||
401 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); | |
78d2d72a | 402 | ry = TMath::ASin(-fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
e16acbad | 403 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
df5240ea | 404 | frot[0] = rx; |
405 | frot[1] = ry; | |
406 | frot[2] = rz; | |
407 | return; | |
408 | } | |
409 | //---------------------------------------------------------------------- | |
410 | void AliITSgeomMatrix::MatrixFromAngle(){ | |
023ae34b | 411 | // Computes the Rotation matrix from the angles [radians] kept in this |
e16acbad | 412 | // class. The matrix used in AliITSgeomMatrix::MatrixFromAngle() and |
413 | // its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
414 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
78d2d72a | 415 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
416 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 | |
417 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 | |
e16acbad | 418 | // The choice of the since of S, comes from the choice between |
419 | // the rotation of the object or the coordinate system (view). I think | |
420 | // that this choice is the first, the rotation of the object. | |
023ae34b | 421 | // Inputs: |
422 | // none | |
423 | // Outputs: | |
424 | // none | |
425 | // Return: | |
426 | // none | |
012f0f4c | 427 | Double_t sx,sy,sz,cx,cy,cz; |
df5240ea | 428 | |
012f0f4c | 429 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); |
430 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); | |
431 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); | |
432 | fm[0][0] = +cz*cy; // fr[0] | |
433 | fm[0][1] = +cz*sy*sx - sz*cx; // fr[1] | |
434 | fm[0][2] = +cz*sy*cx + sz*sx; // fr[2] | |
435 | fm[1][0] = +sz*cy; // fr[3] | |
436 | fm[1][1] = +sz*sy*sx + cz*cx; // fr[4] | |
437 | fm[1][2] = +sz*sy*cx - cz*sx; // fr[5] | |
438 | fm[2][0] = -sy; // fr[6] | |
439 | fm[2][1] = +cy*sx; // fr[7] | |
440 | fm[2][2] = +cy*cx; // fr[8] | |
df5240ea | 441 | } |
012f0f4c | 442 | //---------------------------------------------------------------------- |
443 | void AliITSgeomMatrix::SetEulerAnglesChi(const Double_t ang[3]){ | |
444 | // Computes the Rotation matrix from the Euler angles [radians], | |
445 | // Chi-convention, kept in this class. The matrix used in | |
446 | // AliITSgeomMatrix::SetEulerAnglesChi and | |
447 | // its inverse AliITSgeomMatrix::GetEulerAnglesChi() are defined in | |
448 | // the following ways, R = Rb*Rc*Rd (M=R*L+T) where | |
449 | // C2 +S2 0 1 0 0 C0 +S0 0 | |
450 | // Rb=-S2 C2 0 Rc= 0 C1 +S1 Rd=-S0 C0 0 | |
451 | // 0 0 1 0 -S1 C1 0 0 1 | |
452 | // This form is taken from Wolfram Research's Geometry> | |
453 | // Transformations>Rotations web page (also should be | |
454 | // found in their book). | |
455 | // Inputs: | |
456 | // Double_t ang[3] The three Euler Angles Phi, Theta, Psi | |
457 | // Outputs: | |
458 | // none | |
459 | // Return: | |
460 | // none | |
461 | Double_t s0,s1,s2,c0,c1,c2; | |
78d2d72a | 462 | |
012f0f4c | 463 | s0 = TMath::Sin(ang[0]); c0 = TMath::Cos(ang[0]); |
464 | s1 = TMath::Sin(ang[1]); c1 = TMath::Cos(ang[1]); | |
465 | s2 = TMath::Sin(ang[2]); c2 = TMath::Cos(ang[2]); | |
466 | fm[0][0] = +c2*c0-c1*s0*s2; // fr[0] | |
467 | fm[0][1] = +c2*s0+c1*c0*s2; // fr[1] | |
468 | fm[0][2] = +s2*s1; // fr[2] | |
469 | fm[1][0] = -s2*c0-c1*s0*c2; // fr[3] | |
470 | fm[1][1] = -s2*s0+c1*c0*c2; // fr[4] | |
471 | fm[1][2] = +c2*s1; // fr[5] | |
472 | fm[2][0] = s1*s0; // fr[6] | |
473 | fm[2][1] = -s1*c0; // fr[7] | |
474 | fm[2][2] = +c1; // fr[8] | |
475 | AngleFromMatrix(); | |
476 | return ; | |
477 | } | |
df5240ea | 478 | //---------------------------------------------------------------------- |
024a4246 | 479 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
023ae34b | 480 | // Returns the local coordinates given the global coordinates [cm]. |
481 | // Inputs: | |
482 | // Double_t g[3] The position represented in the ALICE | |
483 | // global coordinate system | |
484 | // Outputs: | |
485 | // Double_t l[3] The poistion represented in the local | |
486 | // detector coordiante system | |
487 | // Return: | |
488 | // none | |
012f0f4c | 489 | Int_t i,j; |
490 | Double_t g[3]; | |
df5240ea | 491 | |
012f0f4c | 492 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; |
493 | for(i=0;i<3;i++){ | |
494 | l[i] = 0.0; | |
495 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
496 | // g = R l + translation | |
497 | } // end for i | |
498 | return; | |
df5240ea | 499 | } |
500 | //---------------------------------------------------------------------- | |
024a4246 | 501 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 502 | // Returns the global coordinates given the local coordinates [cm]. |
503 | // Inputs: | |
504 | // Double_t l[3] The poistion represented in the detector | |
505 | // local coordinate system | |
506 | // Outputs: | |
507 | // Double_t g[3] The poistion represented in the ALICE | |
508 | // Global coordinate system | |
509 | // Return: | |
510 | // none. | |
012f0f4c | 511 | Int_t i,j; |
df5240ea | 512 | |
012f0f4c | 513 | for(i=0;i<3;i++){ |
514 | g[i] = 0.0; | |
515 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
516 | g[i] += ftran[i]; | |
517 | // g = R^t l + translation | |
518 | } // end for i | |
519 | return; | |
df5240ea | 520 | } |
521 | //---------------------------------------------------------------------- | |
024a4246 | 522 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
023ae34b | 523 | // Returns the local coordinates of the momentum given the global |
524 | // coordinates of the momentum. It transforms just like GtoLPosition | |
525 | // except that the translation vector is zero. | |
526 | // Inputs: | |
527 | // Double_t g[3] The momentum represented in the ALICE global | |
528 | // coordinate system | |
529 | // Outputs: | |
530 | // Double_t l[3] the momentum represented in the detector | |
531 | // local coordinate system | |
532 | // Return: | |
533 | // none. | |
012f0f4c | 534 | Int_t i,j; |
df5240ea | 535 | |
012f0f4c | 536 | for(i=0;i<3;i++){ |
537 | l[i] = 0.0; | |
538 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
539 | // g = R l | |
540 | } // end for i | |
541 | return; | |
df5240ea | 542 | } |
543 | //---------------------------------------------------------------------- | |
024a4246 | 544 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 545 | // Returns the Global coordinates of the momentum given the local |
546 | // coordinates of the momentum. It transforms just like LtoGPosition | |
547 | // except that the translation vector is zero. | |
548 | // Inputs: | |
549 | // Double_t l[3] the momentum represented in the detector | |
550 | // local coordinate system | |
551 | // Outputs: | |
552 | // Double_t g[3] The momentum represented in the ALICE global | |
553 | // coordinate system | |
554 | // Return: | |
555 | // none. | |
012f0f4c | 556 | Int_t i,j; |
df5240ea | 557 | |
012f0f4c | 558 | for(i=0;i<3;i++){ |
559 | g[i] = 0.0; | |
560 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
561 | // g = R^t l | |
562 | } // end for i | |
563 | return; | |
df5240ea | 564 | } |
565 | //---------------------------------------------------------------------- | |
023ae34b | 566 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
567 | Double_t l[3][3]) const { | |
568 | // Given an Uncertainty matrix in Global coordinates it is | |
569 | // rotated so that its representation in local coordinates can | |
570 | // be returned. There is no effect due to the translation vector | |
571 | // or its uncertainty. | |
572 | // Inputs: | |
573 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
574 | // coordinate system | |
575 | // Outputs: | |
576 | // Double_t l[3][3] the error matrix represented in the detector | |
577 | // local coordinate system | |
578 | // Return: | |
579 | // none. | |
012f0f4c | 580 | Int_t i,j,k,m; |
df5240ea | 581 | |
012f0f4c | 582 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
583 | l[i][m] = 0.0; | |
584 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
585 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; | |
586 | } // end for i,m | |
587 | // g = R^t l R | |
588 | return; | |
df5240ea | 589 | } |
590 | //---------------------------------------------------------------------- | |
023ae34b | 591 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
024a4246 | 592 | Double_t g[3][3]) const { |
023ae34b | 593 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
594 | // its representation in global coordinates can be returned. There is no | |
595 | // effect due to the translation vector or its uncertainty. | |
596 | // Inputs: | |
597 | // Double_t l[3][3] the error matrix represented in the detector | |
598 | // local coordinate system | |
599 | // Outputs: | |
600 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
601 | // coordinate system | |
602 | // Return: | |
603 | // none. | |
012f0f4c | 604 | Int_t i,j,k,m; |
df5240ea | 605 | |
012f0f4c | 606 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
607 | g[i][m] = 0.0; | |
608 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
609 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; | |
610 | } // end for i,m | |
611 | // g = R l R^t | |
612 | return; | |
df5240ea | 613 | } |
614 | //---------------------------------------------------------------------- | |
023ae34b | 615 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
616 | Double_t l[3]) const { | |
617 | // A slightly different coordinate system is used when tracking. | |
618 | // This coordinate system is only relevant when the geometry represents | |
619 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
620 | // alone but X -> -Y and Y -> X such that X always points out of the | |
621 | // ITS Cylinder for every layer including layer 1 (where the detector | |
622 | // are mounted upside down). | |
623 | //Begin_Html | |
624 | /* | |
625 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
626 | */ | |
627 | //End_Html | |
628 | // Inputs: | |
629 | // Double_t g[3] The position represented in the ALICE | |
630 | // global coordinate system | |
631 | // Outputs: | |
632 | // Double_t l[3] The poistion represented in the local | |
633 | // detector coordiante system | |
634 | // Return: | |
635 | // none | |
df5240ea | 636 | Double_t l0[3]; |
637 | ||
023ae34b | 638 | this->GtoLPosition(g,l0); |
df5240ea | 639 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
640 | // with respect to the others. | |
641 | l[0] = +l0[1]; | |
642 | l[1] = -l0[0]; | |
643 | l[2] = +l0[2]; | |
644 | }else{ | |
645 | l[0] = -l0[1]; | |
646 | l[1] = +l0[0]; | |
647 | l[2] = +l0[2]; | |
648 | } // end if | |
649 | return; | |
650 | } | |
651 | //---------------------------------------------------------------------- | |
652 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], | |
023ae34b | 653 | Double_t g[3]) const { |
654 | // A slightly different coordinate system is used when tracking. | |
655 | // This coordinate system is only relevant when the geometry represents | |
656 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
657 | // alone but X -> -Y and Y -> X such that X always points out of the | |
658 | // ITS Cylinder for every layer including layer 1 (where the detector | |
659 | // are mounted upside down). | |
660 | //Begin_Html | |
661 | /* | |
662 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
663 | */ | |
664 | //End_Html | |
665 | // Inputs: | |
666 | // Double_t l[3] The poistion represented in the detector | |
667 | // local coordinate system | |
668 | // Outputs: | |
669 | // Double_t g[3] The poistion represented in the ALICE | |
670 | // Global coordinate system | |
671 | // Return: | |
672 | // none. | |
df5240ea | 673 | Double_t l0[3]; |
674 | ||
675 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
676 | // with respect to the others. | |
677 | l0[0] = -l[1]; | |
678 | l0[1] = +l[0]; | |
679 | l0[2] = +l[2]; | |
680 | }else{ | |
681 | l0[0] = +l[1]; | |
682 | l0[1] = -l[0]; | |
683 | l0[2] = +l[2]; | |
684 | } // end if | |
685 | this->LtoGPosition(l0,g); | |
686 | return; | |
687 | } | |
688 | //---------------------------------------------------------------------- | |
689 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], | |
023ae34b | 690 | Double_t l[3]) const { |
691 | // A slightly different coordinate system is used when tracking. | |
692 | // This coordinate system is only relevant when the geometry represents | |
693 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
694 | // alone but X -> -Y and Y -> X such that X always points out of the | |
695 | // ITS Cylinder for every layer including layer 1 (where the detector | |
696 | // are mounted upside down). | |
697 | //Begin_Html | |
698 | /* | |
699 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
700 | */ | |
701 | //End_Html | |
702 | // Inputs: | |
703 | // Double_t g[3] The momentum represented in the ALICE global | |
704 | // coordinate system | |
705 | // Outputs: | |
706 | // Double_t l[3] the momentum represented in the detector | |
707 | // local coordinate system | |
708 | // Return: | |
709 | // none. | |
df5240ea | 710 | Double_t l0[3]; |
711 | ||
712 | this->GtoLMomentum(g,l0); | |
713 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
714 | // with respect to the others. | |
715 | l[0] = +l0[1]; | |
716 | l[1] = -l0[0]; | |
717 | l[2] = +l0[2]; | |
718 | }else{ | |
719 | l[0] = -l0[1]; | |
720 | l[1] = +l0[0]; | |
721 | l[2] = +l0[2]; | |
722 | } // end if | |
723 | return; | |
df5240ea | 724 | } |
725 | //---------------------------------------------------------------------- | |
726 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], | |
023ae34b | 727 | Double_t g[3]) const { |
728 | // A slightly different coordinate system is used when tracking. | |
729 | // This coordinate system is only relevant when the geometry represents | |
730 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
731 | // alone but X -> -Y and Y -> X such that X always points out of the | |
732 | // ITS Cylinder for every layer including layer 1 (where the detector | |
733 | // are mounted upside down). | |
734 | //Begin_Html | |
735 | /* | |
736 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
737 | */ | |
738 | //End_Html | |
739 | // Inputs: | |
740 | // Double_t l[3] the momentum represented in the detector | |
741 | // local coordinate system | |
742 | // Outputs: | |
743 | // Double_t g[3] The momentum represented in the ALICE global | |
744 | // coordinate system | |
745 | // Return: | |
746 | // none. | |
df5240ea | 747 | Double_t l0[3]; |
748 | ||
749 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
750 | // with respect to the others. | |
751 | l0[0] = -l[1]; | |
752 | l0[1] = +l[0]; | |
753 | l0[2] = +l[2]; | |
754 | }else{ | |
755 | l0[0] = +l[1]; | |
756 | l0[1] = -l[0]; | |
757 | l0[2] = +l[2]; | |
758 | } // end if | |
759 | this->LtoGMomentum(l0,g); | |
760 | return; | |
761 | } | |
762 | //---------------------------------------------------------------------- | |
023ae34b | 763 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
764 | Double_t l[3][3]) const { | |
765 | // A slightly different coordinate system is used when tracking. | |
766 | // This coordinate system is only relevant when the geometry represents | |
767 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
768 | // alone but X -> -Y and Y -> X such that X always points out of the | |
769 | // ITS Cylinder for every layer including layer 1 (where the detector | |
770 | // are mounted upside down). | |
771 | //Begin_Html | |
772 | /* | |
773 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
774 | */ | |
775 | //End_Html | |
776 | // Inputs: | |
777 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
778 | // coordinate system | |
779 | // Outputs: | |
780 | // Double_t l[3][3] the error matrix represented in the detector | |
781 | // local coordinate system | |
782 | // Return: | |
012f0f4c | 783 | Int_t i,j,k,m; |
784 | Double_t rt[3][3]; | |
785 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
786 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 787 | |
012f0f4c | 788 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
789 | rt[i][k] = a0[i][j]*fm[j][k]; | |
790 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
791 | rt[i][k] = a1[i][j]*fm[j][k]; | |
792 | for(i=0;i<3;i++)for(m=0;m<3;m++){ | |
793 | l[i][m] = 0.0; | |
794 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
795 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; | |
796 | } // end for i,m | |
797 | // g = R^t l R | |
798 | return; | |
df5240ea | 799 | } |
800 | //---------------------------------------------------------------------- | |
023ae34b | 801 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
802 | Double_t g[3][3]) const { | |
803 | // A slightly different coordinate system is used when tracking. | |
804 | // This coordinate system is only relevant when the geometry represents | |
805 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
806 | // alone but X -> -Y and Y -> X such that X always points out of the | |
807 | // ITS Cylinder for every layer including layer 1 (where the detector | |
808 | // are mounted upside down). | |
809 | //Begin_Html | |
810 | /* | |
811 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
812 | */ | |
813 | //End_Html | |
814 | // Inputs: | |
815 | // Double_t l[3][3] the error matrix represented in the detector | |
816 | // local coordinate system | |
817 | // Outputs: | |
818 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
819 | // coordinate system | |
820 | // Return: | |
821 | // none. | |
012f0f4c | 822 | Int_t i,j,k,m; |
823 | Double_t rt[3][3]; | |
824 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
825 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 826 | |
012f0f4c | 827 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
828 | rt[i][k] = a0[i][j]*fm[j][k]; | |
829 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
830 | rt[i][k] = a1[i][j]*fm[j][k]; | |
831 | for(i=0;i<3;i++)for(m=0;m<3;m++){ | |
832 | g[i][m] = 0.0; | |
833 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
834 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; | |
835 | } // end for i,m | |
836 | // g = R l R^t | |
837 | return; | |
df5240ea | 838 | } |
839 | //---------------------------------------------------------------------- | |
024a4246 | 840 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
023ae34b | 841 | // Standard output format for this class but it includes variable |
842 | // names and formatting that makes it easer to read. | |
843 | // Inputs: | |
844 | // ostream *os The output stream to print the title on | |
845 | // Outputs: | |
846 | // none. | |
847 | // Return: | |
848 | // none. | |
df5240ea | 849 | Int_t i,j; |
850 | ||
851 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; | |
852 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
853 | *os << "} frot[3]={"; | |
854 | for(i=0;i<3;i++) *os << frot[i] << " "; | |
855 | *os << "} ftran[3]={"; | |
856 | for(i=0;i<3;i++) *os << ftran[i] << " "; | |
857 | *os << "} fm[3][3]={"; | |
858 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} | |
859 | *os << "}" << endl; | |
860 | return; | |
861 | } | |
862 | //---------------------------------------------------------------------- | |
024a4246 | 863 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
023ae34b | 864 | // output format used by Print. |
865 | // Inputs: | |
866 | // ostream *os The output stream to print the comments on | |
867 | // Outputs: | |
868 | // none. | |
869 | // Return: | |
870 | // none. | |
8253cd9a | 871 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
872 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; | |
873 | *os << "fm[2][0] fm[2][1] fm[2][2] "; | |
874 | return; | |
875 | } | |
876 | //---------------------------------------------------------------------- | |
5cf690c1 | 877 | void AliITSgeomMatrix::Print(ostream *os)const{ |
023ae34b | 878 | // Standard output format for this class. |
879 | // Inputs: | |
880 | // ostream *os The output stream to print the class data on | |
881 | // Outputs: | |
882 | // none. | |
883 | // Return: | |
884 | // none. | |
df5240ea | 885 | Int_t i,j; |
431a7819 | 886 | #if defined __GNUC__ |
887 | #if __GNUC__ > 2 | |
888 | ios::fmtflags fmt; | |
889 | #else | |
890 | Int_t fmt; | |
891 | #endif | |
94831058 | 892 | #else |
9f69211c | 893 | #if defined __ICC || defined __ECC || defined __xlC__ |
94831058 | 894 | ios::fmtflags fmt; |
431a7819 | 895 | #else |
31b8cd63 | 896 | Int_t fmt; |
94831058 | 897 | #endif |
431a7819 | 898 | #endif |
df5240ea | 899 | |
8253cd9a | 900 | fmt = os->setf(ios::scientific); // set scientific floating point output |
df5240ea | 901 | *os << fDetectorIndex << " "; |
902 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
8253cd9a | 903 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
904 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; | |
905 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << | |
906 | fm[i][j] << " "; | |
023ae34b | 907 | *os << fPath.Length()<< " "; |
908 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; | |
df5240ea | 909 | *os << endl; |
8253cd9a | 910 | os->flags(fmt); // reset back to old formating. |
df5240ea | 911 | return; |
912 | } | |
913 | //---------------------------------------------------------------------- | |
8253cd9a | 914 | void AliITSgeomMatrix::Read(istream *is){ |
023ae34b | 915 | // Standard input format for this class. |
916 | // Inputs: | |
917 | // istream *is The input stream to read on | |
918 | // Outputs: | |
919 | // none. | |
920 | // Return: | |
921 | // none. | |
df5240ea | 922 | Int_t i,j; |
d820c0ea | 923 | const Int_t kMxVal=10000; |
df5240ea | 924 | *is >> fDetectorIndex; |
925 | for(i=0;i<3;i++) *is >> fid[i]; | |
8253cd9a | 926 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
df5240ea | 927 | for(i=0;i<3;i++) *is >> ftran[i]; |
928 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; | |
5cf690c1 | 929 | while(is->peek()==' ')is->get(); // skip white spaces |
930 | if(isprint(is->peek())){ // old format did not have path. | |
931 | *is >> j; // string length | |
f03f542c | 932 | if(j>kMxVal || j<0){ |
d820c0ea | 933 | AliError(Form("j> %d",kMxVal)); |
934 | return; | |
935 | } | |
5cf690c1 | 936 | fPath.Resize(j); |
937 | for(i=0;i<j;i++) {*is >> fPath[i];} | |
938 | } // end if | |
8253cd9a | 939 | AngleFromMatrix(); // compute angles frot[]. |
d8cc8493 | 940 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
941 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
547a9bad | 942 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
df5240ea | 943 | return; |
944 | } | |
d8cc8493 | 945 | //______________________________________________________________________ |
946 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ | |
947 | // Stream an object of class AliITSgeomMatrix. | |
023ae34b | 948 | // Inputs: |
949 | // TBuffer &R__b The output buffer to stream data on. | |
950 | // Outputs: | |
951 | // none. | |
952 | // Return: | |
953 | // none. | |
d8cc8493 | 954 | |
023ae34b | 955 | if (R__b.IsReading()) { |
956 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); | |
957 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
958 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
959 | this->AngleFromMatrix(); | |
547a9bad | 960 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
023ae34b | 961 | } else { |
962 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); | |
963 | } // end if | |
d8cc8493 | 964 | } |
024a4246 | 965 | //______________________________________________________________________ |
966 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ | |
023ae34b | 967 | // Sets the translation vector and computes fCylR and fCylPhi. |
968 | // Inputs: | |
969 | // Double_t trans[3] The translation vector to be used | |
970 | // Outputs: | |
971 | // none. | |
972 | // Return: | |
973 | // none. | |
974 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; | |
975 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
976 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
547a9bad | 977 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
023ae34b | 978 | } |
979 | //---------------------------------------------------------------------- | |
6b0f3880 | 980 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
023ae34b | 981 | // This class is used as part of the documentation of this class |
982 | // Inputs: | |
983 | // none. | |
984 | // Outputs: | |
985 | // none. | |
986 | // Return: | |
987 | // A pointer to a new TPolyLine3D object showing the 3 line | |
988 | // segments that make up the this local axis in the global | |
989 | // reference system. | |
990 | Float_t gf[15]; | |
991 | Double_t g[5][3]; | |
992 | 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}, | |
993 | {0.0,0.0,1.0}}; | |
994 | Int_t i; | |
995 | ||
996 | for(i=0;i<5;i++) { | |
997 | LtoGPosition(l[i],g[i]); | |
998 | gf[3*i]=(Float_t)g[i][0]; | |
999 | gf[3*i+1]=(Float_t)g[i][1]; | |
1000 | gf[3*i+2]=(Float_t)g[i][2]; | |
1001 | } // end for i | |
1002 | return new TPolyLine3D(5,gf); | |
1003 | } | |
1004 | //---------------------------------------------------------------------- | |
6b0f3880 | 1005 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
023ae34b | 1006 | // This class is used as part of the documentation of this class |
1007 | // Inputs: | |
1008 | // none. | |
1009 | // Outputs: | |
1010 | // none. | |
1011 | // Return: | |
1012 | // A pointer to a new TPolyLine3D object showing the 3 line | |
1013 | // segments that make up the this local axis in the global | |
1014 | // reference system. | |
1015 | Float_t gf[15]; | |
1016 | Double_t g[5][3]; | |
1017 | 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}, | |
1018 | {0.0,0.0,1.0}}; | |
1019 | Int_t i; | |
1020 | ||
1021 | for(i=0;i<5;i++) { | |
1022 | LtoGPositionTracking(l[i],g[i]); | |
1023 | gf[3*i]=(Float_t)g[i][0]; | |
1024 | gf[3*i+1]=(Float_t)g[i][1]; | |
1025 | gf[3*i+2]=(Float_t)g[i][2]; | |
1026 | } // end for i | |
1027 | return new TPolyLine3D(5,gf); | |
1028 | } | |
1029 | //---------------------------------------------------------------------- | |
1030 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, | |
1031 | const Char_t *nodeTitle,TNode *mother, | |
6b0f3880 | 1032 | TShape *shape,Bool_t axis) const { |
023ae34b | 1033 | // Creates a node inside of the node mother out of the shape shape |
1034 | // in the position, with respect to mother, indecated by "this". If axis | |
1035 | // is ture, it will insert an axis within this node/shape. | |
1036 | // Inputs: | |
1037 | // Char_t *nodeName This name of this node | |
1038 | // Char_t *nodeTitle This node title | |
1039 | // TNode *mother The node this node will be inside of/with respect to | |
1040 | // TShape *shape The shape of this node | |
1041 | // Bool_t axis If ture, a set of x,y,z axis will be included | |
1042 | // Outputs: | |
1043 | // none. | |
1044 | // Return: | |
1045 | // A pointer to "this" node. | |
1046 | Double_t trans[3],matrix[3][3],*matr; | |
1047 | TRotMatrix *rot = new TRotMatrix(); | |
1048 | TString name,title; | |
1049 | ||
1050 | matr = &(matrix[0][0]); | |
1051 | this->GetTranslation(trans); | |
1052 | this->GetMatrix(matrix); | |
1053 | rot->SetMatrix(matr); | |
1054 | // | |
1055 | name = nodeName; | |
1056 | title = nodeTitle; | |
1057 | // | |
1058 | mother->cd(); | |
012f0f4c | 1059 | TNode *node1 = new TNode(name.Data(),title.Data(),shape, |
1060 | trans[0],trans[1],trans[2],rot); | |
023ae34b | 1061 | if(axis){ |
1062 | Int_t i,j; | |
6b0f3880 | 1063 | const Float_t kScale=0.5,kLw=0.2; |
012f0f4c | 1064 | Float_t xchar[13][2]={ |
1065 | {0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, | |
1066 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, | |
1067 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, | |
1068 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, | |
1069 | {0.5*kLw,1.}}; | |
1070 | Float_t ychar[10][2]={ | |
1071 | {.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, | |
1072 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, | |
1073 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, | |
1074 | {.5-0.5*kLw,0.}}; | |
1075 | Float_t zchar[11][2]={ | |
1076 | {0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, | |
1077 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, | |
1078 | {0.,1.}}; | |
023ae34b | 1079 | for(i=0;i<13;i++)for(j=0;j<2;j++){ |
6b0f3880 | 1080 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
1081 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; | |
1082 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; | |
023ae34b | 1083 | } // end for i,j |
1084 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); | |
1085 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); | |
6b0f3880 | 1086 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
023ae34b | 1087 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
1088 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); | |
6b0f3880 | 1089 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
023ae34b | 1090 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
1091 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); | |
6b0f3880 | 1092 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
012f0f4c | 1093 | Float_t lxy[13][2]={ |
1094 | {-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1095 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, | |
1096 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, | |
1097 | {-0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1098 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
1099 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); | |
6b0f3880 | 1100 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
012f0f4c | 1101 | Float_t lz[8][2]={ |
1102 | {0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1103 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, | |
1104 | {0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1105 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
1106 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); | |
6b0f3880 | 1107 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
023ae34b | 1108 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
1109 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); | |
1110 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); | |
1111 | // | |
1112 | node1->cd(); | |
1113 | title = name.Append("axisxy"); | |
1114 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); | |
1115 | title = name.Append("axisz"); | |
012f0f4c | 1116 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz, |
1117 | 0.,0.,0.,yaxis90); | |
023ae34b | 1118 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, |
1119 | lxy[3][0],lxy[3][1],0.0); | |
1120 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, | |
1121 | lxy[3][0],lxy[3][1],0.0,yaxis90); | |
1122 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, | |
1123 | lxy[3][0],lxy[3][1],0.0,zaxis90); | |
1124 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, | |
1125 | lxy[9][0],lxy[9][1],0.0); | |
1126 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, | |
1127 | lxy[9][0],lxy[9][1],0.0,yaxis90); | |
1128 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, | |
1129 | lxy[9][0],lxy[9][1],0.0,zaxis90); | |
1130 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, | |
1131 | 0.0,0.0,lz[3][0]); | |
1132 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, | |
1133 | 0.0,0.0,lz[3][0],yaxis90); | |
1134 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, | |
1135 | 0.0,0.0,lz[3][0],zaxis90); | |
1136 | nodeaxy->Draw(); | |
1137 | nodeaz->Draw(); | |
1138 | textboxX0->Draw(); | |
1139 | textboxX1->Draw(); | |
1140 | textboxX2->Draw(); | |
1141 | textboxY0->Draw(); | |
1142 | textboxY1->Draw(); | |
1143 | textboxY2->Draw(); | |
1144 | textboxZ0->Draw(); | |
1145 | textboxZ1->Draw(); | |
1146 | textboxZ2->Draw(); | |
1147 | } // end if | |
1148 | mother->cd(); | |
1149 | return node1; | |
024a4246 | 1150 | } |
023ae34b | 1151 | //---------------------------------------------------------------------- |
6b0f3880 | 1152 | void AliITSgeomMatrix::MakeFigures() const { |
023ae34b | 1153 | // make figures to help document this class |
1154 | // Inputs: | |
1155 | // none. | |
1156 | // Outputs: | |
1157 | // none. | |
1158 | // Return: | |
1159 | // none. | |
6b0f3880 | 1160 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
1161 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm | |
023ae34b | 1162 | 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}, |
1163 | {0.0,0.0,1.0}}; | |
1164 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. | |
5385facc | 1165 | #if ROOT_VERSION_CODE>= 331523 |
1166 | Double_t rmin[]={-1,-1,-1}; | |
1167 | Double_t rmax[]={ 1, 1, 1}; | |
1168 | TView *view = new TView3D(1,rmin,rmax); | |
1169 | #else | |
023ae34b | 1170 | TView *view = new TView(1); // Create Cartesian coordiante view |
5385facc | 1171 | #endif |
6b0f3880 | 1172 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
1173 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); | |
023ae34b | 1174 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
1175 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); | |
1176 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); | |
1177 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); | |
024a4246 | 1178 | |
023ae34b | 1179 | det->SetLineColor(0); // black |
1180 | det->SetLineStyle(1); // solid line | |
1181 | det->SetLineWidth(2); // pixel units | |
1182 | det->SetFillColor(1); // black | |
1183 | det->SetFillStyle(4010); // window is 90% transparent | |
1184 | arrow->SetLineColor(det->GetLineColor()); | |
1185 | arrow->SetLineWidth(det->GetLineWidth()); | |
1186 | arrow->SetLineStyle(det->GetLineStyle()); | |
1187 | arrow->SetFillColor(1); // black | |
1188 | arrow->SetFillStyle(4100); // window is 100% opaque | |
6b0f3880 | 1189 | arrow->DefineSection(0,0.0,0.0,kRmax); |
1190 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); | |
1191 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); | |
023ae34b | 1192 | // |
1193 | TNode *node0 = new TNode("NODE0","NODE0",mother); | |
1194 | node0->cd(); | |
1195 | TNode *node1 = new TNode("NODE1","NODE1",det); | |
1196 | node1->cd(); | |
012f0f4c | 1197 | TNode *nodex = new TNode("NODEx","NODEx",arrow, |
1198 | l[0][0],l[0][1],l[0][2],xarrow); | |
1199 | TNode *nodey = new TNode("NODEy","NODEy",arrow, | |
1200 | l[2][0],l[2][1],l[2][2],yarrow); | |
023ae34b | 1201 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); |
1202 | // | |
1203 | axis->Draw(); | |
1204 | nodex->Draw(); | |
1205 | nodey->Draw(); | |
1206 | nodez->Draw(); | |
1207 | ||
1208 | // | |
1209 | node0->cd(); | |
1210 | node0->Draw(); | |
1211 | c->Update(); | |
1212 | c->SaveAs("AliITSgeomMatrix_L1.gif"); | |
1213 | } | |
df5240ea | 1214 | //---------------------------------------------------------------------- |
1215 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ | |
023ae34b | 1216 | // Standard output streaming function. |
1217 | // Inputs: | |
1218 | // ostream &os The output stream to print the class data on | |
1219 | // AliITSgeomMatrix &p This class | |
1220 | // Outputs: | |
1221 | // none. | |
1222 | // Return: | |
1223 | // none. | |
df5240ea | 1224 | |
8253cd9a | 1225 | p.Print(&os); |
df5240ea | 1226 | return os; |
1227 | } | |
1228 | //---------------------------------------------------------------------- | |
1229 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ | |
023ae34b | 1230 | // Standard input streaming function. |
1231 | // Inputs: | |
1232 | // ostream &os The input stream to print the class data on | |
1233 | // AliITSgeomMatrix &p This class | |
1234 | // Outputs: | |
1235 | // none. | |
1236 | // Return: | |
1237 | // none. | |
df5240ea | 1238 | |
8253cd9a | 1239 | r.Read(&is); |
df5240ea | 1240 | return is; |
1241 | } | |
8253cd9a | 1242 | //---------------------------------------------------------------------- |