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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(): |
50 | TObject(), | |
51 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) | |
52 | fid(), // layer, ladder, detector numbers. | |
53 | frot(), //! vector of rotations about x,y,z [radians]. | |
54 | ftran(), // Translation vector of module x,y,z. | |
55 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
56 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
57 | fm(), // Rotation matrix based on frot. | |
58 | fPath(){ // Path in geometry to this module | |
59 | // The Default constructor for the AliITSgeomMatrix class. By Default | |
60 | // the angles of rotations are set to zero, meaning that the rotation | |
61 | // matrix is the unit matrix. The translation vector is also set to | |
62 | // zero as are the module id number. The detector type is set to -1 | |
63 | // (an undefined value). The full rotation matrix is kept so that | |
64 | // the evaluation of a coordinate transformation can be done | |
65 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
66 | // systems are the ALICE global coordinate system and the detector | |
67 | // local coordinate system. In general this structure is not limited | |
68 | // to just those two coordinate systems. | |
69 | //Begin_Html | |
70 | /* | |
71 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
72 | */ | |
73 | //End_Html | |
74 | // Inputs: | |
75 | // none. | |
76 | // Outputs: | |
77 | // none. | |
78 | // Return: | |
79 | // A default constructes AliITSgeomMatrix class. | |
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; | |
d8cc8493 | 87 | fCylR = fCylPhi = 0.0; |
df5240ea | 88 | }// end for i |
89 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; | |
90 | } | |
e56160b8 | 91 | |
df5240ea | 92 | //---------------------------------------------------------------------- |
e56160b8 | 93 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
78d2d72a | 94 | TObject(source), |
e56160b8 | 95 | fDetectorIndex(source.fDetectorIndex), |
96 | fCylR(source.fCylR), | |
97 | fCylPhi(source.fCylPhi), | |
98 | fPath(source.fPath){ | |
023ae34b | 99 | // The standard Copy constructor. This make a full / proper copy of |
100 | // this class. | |
101 | // Inputs: | |
102 | // AliITSgeomMatrix &source The source of this copy | |
103 | // Outputs: | |
104 | // none. | |
105 | // Return: | |
106 | // A copy constructes AliITSgeomMatrix class. | |
df5240ea | 107 | Int_t i,j; |
df5240ea | 108 | for(i=0;i<3;i++){ |
e56160b8 | 109 | this->fid[i] = source.fid[i]; |
110 | this->frot[i] = source.frot[i]; | |
111 | this->ftran[i] = source.ftran[i]; | |
112 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
df5240ea | 113 | }// end for i |
114 | } | |
115 | //---------------------------------------------------------------------- | |
e56160b8 | 116 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
023ae34b | 117 | // The standard = operator. This make a full / proper copy of |
118 | // this class. | |
119 | // The standard Copy constructor. This make a full / proper copy of | |
120 | // this class. | |
121 | // Inputs: | |
122 | // AliITSgeomMatrix &source The source of this copy | |
123 | // Outputs: | |
124 | // none. | |
125 | // Return: | |
126 | // A copy of the source AliITSgeomMatrix class. | |
e56160b8 | 127 | if(this == &source)return *this; |
128 | Int_t i,j; | |
df5240ea | 129 | |
e56160b8 | 130 | this->fDetectorIndex = source.fDetectorIndex; |
131 | this->fCylR = source.fCylR; | |
132 | this->fCylPhi = source.fCylPhi; | |
133 | for(i=0;i<3;i++){ | |
134 | this->fid[i] = source.fid[i]; | |
135 | this->frot[i] = source.frot[i]; | |
136 | this->ftran[i] = source.ftran[i]; | |
137 | ||
138 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
139 | } | |
140 | this->fPath = source.fPath; | |
141 | return *this; | |
df5240ea | 142 | } |
e56160b8 | 143 | |
df5240ea | 144 | //---------------------------------------------------------------------- |
6ba216a4 | 145 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
023ae34b | 146 | const Double_t rot[3],const Double_t tran[3]): |
147 | TObject(), | |
4bfbde86 | 148 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 149 | fid(), // layer, ladder, detector numbers. |
150 | frot(), //! vector of rotations about x,y,z [radians]. | |
151 | ftran(), // Translation vector of module x,y,z. | |
152 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
153 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
154 | fm(), // Rotation matrix based on frot. | |
155 | fPath(){ // Path in geometry to this moduel | |
156 | // This is a constructor for the AliITSgeomMatrix class. The matrix is | |
157 | // defined by 3 standard rotation angles [radians], and the translation | |
158 | // vector tran [cm]. In addition the layer, ladder, and detector number | |
159 | // for this particular module and the type of module must be given. | |
160 | // The full rotation matrix is kept so that the evaluation | |
161 | // of a coordinate transformation can be done quickly and with a minimum | |
162 | // of CPU overhead. The basic coordinate systems are the ALICE global | |
163 | // coordinate system and the detector local coordinate system. In general | |
164 | // this structure is not limited to just those two coordinate systems. | |
165 | //Begin_Html | |
166 | /* | |
167 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
168 | */ | |
169 | //End_Html | |
170 | // Inputs: | |
171 | // Int_t idt The detector index value | |
172 | // Int_t id[3] The layer, ladder, and detector numbers | |
173 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] | |
174 | // Double_t tran[3] The 3 Cartician translation distnaces | |
175 | // Outputs: | |
176 | // none. | |
177 | // Return: | |
178 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 179 | Int_t i; |
df5240ea | 180 | |
d8cc8493 | 181 | for(i=0;i<3;i++){ |
182 | fid[i] = id[i]; | |
183 | frot[i] = rot[i]; | |
184 | ftran[i] = tran[i]; | |
185 | }// end for i | |
186 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
187 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
188 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
189 | this->MatrixFromAngle(); | |
df5240ea | 190 | } |
191 | //---------------------------------------------------------------------- | |
6ba216a4 | 192 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
d962cab4 | 193 | Double_t matrix[3][3], |
023ae34b | 194 | const Double_t tran[3]): |
195 | TObject(), | |
4bfbde86 | 196 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 197 | fid(), // layer, ladder, detector numbers. |
198 | frot(), //! vector of rotations about x,y,z [radians]. | |
199 | ftran(), // Translation vector of module x,y,z. | |
200 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
201 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
202 | fm(), // Rotation matrix based on frot. | |
203 | fPath(){ // Path in geometry to this module | |
204 | // This is a constructor for the AliITSgeomMatrix class. The | |
205 | // rotation matrix is given as one of the inputs, and the | |
206 | // translation vector tran [cm]. In addition the layer, ladder, | |
207 | // and detector number for this particular module and the type of | |
208 | // module must be given. The full rotation matrix is kept so that | |
209 | // the evaluation of a coordinate transformation can be done quickly | |
210 | // and with a minimum of CPU overhead. The basic coordinate systems | |
211 | // are the ALICE global coordinate system and the detector local | |
212 | // coordinate system. In general this structure is not limited to just | |
213 | // those two coordinate systems. | |
214 | //Begin_Html | |
215 | /* | |
216 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
217 | */ | |
218 | //End_Html | |
219 | // Inputs: | |
220 | // Int_t idt The detector index value | |
221 | // Int_t id[3] The layer, ladder, and detector numbers | |
222 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix | |
223 | // Double_t tran[3] The 3 Cartician translation distnaces | |
224 | // Outputs: | |
225 | // none. | |
226 | // Return: | |
227 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 228 | Int_t i,j; |
df5240ea | 229 | |
d8cc8493 | 230 | for(i=0;i<3;i++){ |
231 | fid[i] = id[i]; | |
232 | ftran[i] = tran[i]; | |
233 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; | |
234 | }// end for i | |
235 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
236 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
237 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
238 | this->AngleFromMatrix(); | |
df5240ea | 239 | } |
240 | //---------------------------------------------------------------------- | |
5cf690c1 | 241 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
023ae34b | 242 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
243 | // the array ang which must be at least [6] long. | |
244 | // Inputs: | |
245 | // none. | |
246 | // Outputs: | |
247 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
248 | // Return: | |
249 | // noting | |
df5240ea | 250 | Double_t si,c=180./TMath::Pi(); |
251 | ||
252 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); | |
253 | if(TMath::Cos(ang[1])!=0.0) si = fm[0][0]/TMath::Cos(ang[1]); | |
254 | else si = fm[0][1]/TMath::Sin(ang[1]); | |
255 | ang[0] = TMath::ATan2(si,fm[0][2]); | |
256 | ||
257 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); | |
258 | if(TMath::Cos(ang[3])!=0.0) si = fm[1][0]/TMath::Cos(ang[3]); | |
259 | else si = fm[1][1]/TMath::Sin(ang[3]); | |
3f616de1 | 260 | ang[2] = TMath::ATan2(si,fm[1][2]); |
df5240ea | 261 | |
3f616de1 | 262 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
263 | if(TMath::Cos(ang[5])!=0.0) si = fm[2][0]/TMath::Cos(ang[5]); | |
264 | else si = fm[2][1]/TMath::Sin(ang[5]); | |
265 | ang[4] = TMath::ATan2(si,fm[2][2]); | |
df5240ea | 266 | |
267 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} | |
268 | } | |
269 | //---------------------------------------------------------------------- | |
270 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ | |
023ae34b | 271 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
272 | // set the rotations matrix and 3 standard rotation angles [radians]. | |
273 | // These angles and rotation matrix are overwrite the existing values in | |
274 | // this class. | |
275 | // Inputs: | |
276 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
277 | // Outputs: | |
278 | // none. | |
279 | // Return: | |
280 | // noting | |
df5240ea | 281 | Int_t i,j; |
282 | Double_t si,lr[9],c=TMath::Pi()/180.; | |
283 | ||
284 | si = TMath::Sin(c*ang[0]); | |
285 | if(ang[0]== 90.0) si = +1.0; | |
286 | if(ang[0]==270.0) si = -1.0; | |
287 | if(ang[0]== 0.0||ang[0]==180.) si = 0.0; | |
288 | lr[0] = si * TMath::Cos(c*ang[1]); | |
289 | lr[1] = si * TMath::Sin(c*ang[1]); | |
290 | lr[2] = TMath::Cos(c*ang[0]); | |
291 | if(ang[0]== 90.0||ang[0]==270.) lr[2] = 0.0; | |
292 | if(ang[0]== 0.0) lr[2] = +1.0; | |
293 | if(ang[0]==180.0) lr[2] = -1.0; | |
294 | // | |
295 | si = TMath::Sin(c*ang[2]); | |
296 | if(ang[2]== 90.0) si = +1.0; | |
297 | if(ang[2]==270.0) si = -1.0; | |
298 | if(ang[2]== 0.0||ang[2]==180.) si = 0.0; | |
299 | lr[3] = si * TMath::Cos(c*ang[3]); | |
300 | lr[4] = si * TMath::Sin(c*ang[3]); | |
301 | lr[5] = TMath::Cos(c*ang[2]); | |
302 | if(ang[2]== 90.0||ang[2]==270.) lr[5] = 0.0; | |
303 | if(ang[2]== 0.0) lr[5] = +1.0; | |
304 | if(ang[2]==180.0) lr[5] = -1.0; | |
305 | // | |
306 | si = TMath::Sin(c*ang[4]); | |
307 | if(ang[4]== 90.0) si = +1.0; | |
308 | if(ang[4]==270.0) si = -1.0; | |
309 | if(ang[4]== 0.0||ang[4]==180.) si = 0.0; | |
310 | lr[6] = si * TMath::Cos(c*ang[5]); | |
311 | lr[7] = si * TMath::Sin(c*ang[5]); | |
312 | lr[8] = TMath::Cos(c*ang[4]); | |
313 | if(ang[4]== 90.0||ang[4]==270.0) lr[8] = 0.0; | |
314 | if(ang[4]== 0.0) lr[8] = +1.0; | |
315 | if(ang[4]==180.0) lr[8] = -1.0; | |
316 | // Normalize these elements and fill matrix fm. | |
317 | for(i=0;i<3;i++){// reuse si. | |
318 | si = 0.0; | |
319 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; | |
320 | si = TMath::Sqrt(1./si); | |
321 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; | |
322 | } // end for i | |
323 | this->AngleFromMatrix(); | |
324 | } | |
325 | //---------------------------------------------------------------------- | |
326 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, | |
6ba216a4 | 327 | Int_t idt,const Int_t id[3], |
4bfbde86 | 328 | const Double_t tran[3]): |
329 | TObject(), | |
330 | fDetectorIndex(idt), | |
331 | fCylR(0.), | |
332 | fCylPhi(0.), | |
333 | fPath(){ | |
023ae34b | 334 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
335 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and | |
336 | // the translation vector tran [cm]. In addition the layer, ladder, | |
337 | // and detector number for this particular module and the type of | |
338 | // module must be given. The full rotation matrix is kept so that | |
339 | // the evaluation of a coordinate transformation can be done | |
340 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
341 | // systems are the ALICE global coordinate system and the detector | |
342 | // local coordinate system. In general this structure is not limited | |
343 | // to just those two coordinate systems. | |
344 | //Begin_Html | |
345 | /* | |
346 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
347 | */ | |
348 | //End_Html | |
349 | // Inputs: | |
350 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] | |
351 | // Int_t idt The module Id number | |
352 | // Int_t id[3] The layer, ladder and detector number | |
353 | // Double_t tran[3] The translation vector | |
df5240ea | 354 | Int_t i; |
355 | ||
df5240ea | 356 | for(i=0;i<3;i++){ |
357 | fid[i] = id[i]; | |
358 | ftran[i] = tran[i]; | |
359 | }// end for i | |
d8cc8493 | 360 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
361 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
362 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 363 | this->MatrixFromSixAngles(rotd); |
364 | } | |
78d2d72a | 365 | |
df5240ea | 366 | //---------------------------------------------------------------------- |
367 | void AliITSgeomMatrix::AngleFromMatrix(){ | |
023ae34b | 368 | // Computes the angles from the rotation matrix up to a phase of |
e16acbad | 369 | // 180 degrees. The matrix used in AliITSgeomMatrix::MatrixFromAngle() |
370 | // and its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
371 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
78d2d72a | 372 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
373 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 | |
374 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 | |
e16acbad | 375 | // The choice of the since of S, comes from the choice between |
376 | // the rotation of the object or the coordinate system (view). I think | |
377 | // that this choice is the first, the rotation of the object. | |
023ae34b | 378 | // Inputs: |
379 | // none | |
380 | // Outputs: | |
381 | // none | |
382 | // Return: | |
383 | // none | |
df5240ea | 384 | Double_t rx,ry,rz; |
385 | // get angles from matrix up to a phase of 180 degrees. | |
386 | ||
387 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); | |
78d2d72a | 388 | ry = TMath::ASin(-fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
e16acbad | 389 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
df5240ea | 390 | frot[0] = rx; |
391 | frot[1] = ry; | |
392 | frot[2] = rz; | |
393 | return; | |
394 | } | |
78d2d72a | 395 | |
df5240ea | 396 | //---------------------------------------------------------------------- |
397 | void AliITSgeomMatrix::MatrixFromAngle(){ | |
023ae34b | 398 | // Computes the Rotation matrix from the angles [radians] kept in this |
e16acbad | 399 | // class. The matrix used in AliITSgeomMatrix::MatrixFromAngle() and |
400 | // its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
401 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
78d2d72a | 402 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
403 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 | |
404 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 | |
e16acbad | 405 | // The choice of the since of S, comes from the choice between |
406 | // the rotation of the object or the coordinate system (view). I think | |
407 | // that this choice is the first, the rotation of the object. | |
023ae34b | 408 | // Inputs: |
409 | // none | |
410 | // Outputs: | |
411 | // none | |
412 | // Return: | |
413 | // none | |
df5240ea | 414 | Double_t sx,sy,sz,cx,cy,cz; |
415 | ||
416 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); | |
417 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); | |
418 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); | |
78d2d72a | 419 | fm[0][0] = +cz*cy; // fr[0] |
420 | fm[0][1] = +cz*sy*sx - sz*cx; // fr[1] | |
421 | fm[0][2] = +cz*sy*cx + sz*sx; // fr[2] | |
422 | fm[1][0] = +sz*cy; // fr[3] | |
423 | fm[1][1] = +sz*sy*sx + cz*cx; // fr[4] | |
424 | fm[1][2] = +sz*sy*cx - cz*sx; // fr[5] | |
425 | fm[2][0] = -sy; // fr[6] | |
426 | fm[2][1] = +cy*sx; // fr[7] | |
427 | fm[2][2] = +cy*cx; // fr[8] | |
df5240ea | 428 | |
429 | } | |
78d2d72a | 430 | |
df5240ea | 431 | //---------------------------------------------------------------------- |
024a4246 | 432 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
023ae34b | 433 | // Returns the local coordinates given the global coordinates [cm]. |
434 | // Inputs: | |
435 | // Double_t g[3] The position represented in the ALICE | |
436 | // global coordinate system | |
437 | // Outputs: | |
438 | // Double_t l[3] The poistion represented in the local | |
439 | // detector coordiante system | |
440 | // Return: | |
441 | // none | |
df5240ea | 442 | Int_t i,j; |
443 | Double_t g[3]; | |
444 | ||
445 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; | |
446 | for(i=0;i<3;i++){ | |
447 | l[i] = 0.0; | |
448 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
449 | // g = R l + translation | |
450 | } // end for i | |
451 | return; | |
452 | } | |
453 | //---------------------------------------------------------------------- | |
024a4246 | 454 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 455 | // Returns the global coordinates given the local coordinates [cm]. |
456 | // Inputs: | |
457 | // Double_t l[3] The poistion represented in the detector | |
458 | // local coordinate system | |
459 | // Outputs: | |
460 | // Double_t g[3] The poistion represented in the ALICE | |
461 | // Global coordinate system | |
462 | // Return: | |
463 | // none. | |
df5240ea | 464 | Int_t i,j; |
465 | ||
466 | for(i=0;i<3;i++){ | |
467 | g[i] = 0.0; | |
468 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
469 | g[i] += ftran[i]; | |
470 | // g = R^t l + translation | |
471 | } // end for i | |
472 | return; | |
473 | } | |
474 | //---------------------------------------------------------------------- | |
024a4246 | 475 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
023ae34b | 476 | // Returns the local coordinates of the momentum given the global |
477 | // coordinates of the momentum. It transforms just like GtoLPosition | |
478 | // except that the translation vector is zero. | |
479 | // Inputs: | |
480 | // Double_t g[3] The momentum represented in the ALICE global | |
481 | // coordinate system | |
482 | // Outputs: | |
483 | // Double_t l[3] the momentum represented in the detector | |
484 | // local coordinate system | |
485 | // Return: | |
486 | // none. | |
df5240ea | 487 | Int_t i,j; |
488 | ||
489 | for(i=0;i<3;i++){ | |
490 | l[i] = 0.0; | |
491 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
492 | // g = R l | |
493 | } // end for i | |
494 | return; | |
495 | } | |
496 | //---------------------------------------------------------------------- | |
024a4246 | 497 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 498 | // Returns the Global coordinates of the momentum given the local |
499 | // coordinates of the momentum. It transforms just like LtoGPosition | |
500 | // except that the translation vector is zero. | |
501 | // Inputs: | |
502 | // Double_t l[3] the momentum represented in the detector | |
503 | // local coordinate system | |
504 | // Outputs: | |
505 | // Double_t g[3] The momentum represented in the ALICE global | |
506 | // coordinate system | |
507 | // Return: | |
508 | // none. | |
df5240ea | 509 | Int_t i,j; |
510 | ||
511 | for(i=0;i<3;i++){ | |
512 | g[i] = 0.0; | |
513 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
514 | // g = R^t l | |
515 | } // end for i | |
516 | return; | |
517 | } | |
518 | //---------------------------------------------------------------------- | |
023ae34b | 519 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
520 | Double_t l[3][3]) const { | |
521 | // Given an Uncertainty matrix in Global coordinates it is | |
522 | // rotated so that its representation in local coordinates can | |
523 | // be returned. There is no effect due to the translation vector | |
524 | // or its uncertainty. | |
525 | // Inputs: | |
526 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
527 | // coordinate system | |
528 | // Outputs: | |
529 | // Double_t l[3][3] the error matrix represented in the detector | |
530 | // local coordinate system | |
531 | // Return: | |
532 | // none. | |
df5240ea | 533 | Int_t i,j,k,m; |
534 | ||
ecb0c8bc | 535 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
536 | l[i][m] = 0.0; | |
537 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
538 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; | |
539 | } // end for i,m | |
540 | // g = R^t l R | |
df5240ea | 541 | return; |
542 | } | |
543 | //---------------------------------------------------------------------- | |
023ae34b | 544 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
024a4246 | 545 | Double_t g[3][3]) const { |
023ae34b | 546 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
547 | // its representation in global coordinates can be returned. There is no | |
548 | // effect due to the translation vector or its uncertainty. | |
549 | // Inputs: | |
550 | // Double_t l[3][3] the error matrix represented in the detector | |
551 | // local coordinate system | |
552 | // Outputs: | |
553 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
554 | // coordinate system | |
555 | // Return: | |
556 | // none. | |
df5240ea | 557 | Int_t i,j,k,m; |
558 | ||
ecb0c8bc | 559 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
560 | g[i][m] = 0.0; | |
561 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
562 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; | |
563 | } // end for i,m | |
564 | // g = R l R^t | |
df5240ea | 565 | return; |
566 | } | |
567 | //---------------------------------------------------------------------- | |
023ae34b | 568 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
569 | Double_t l[3]) const { | |
570 | // A slightly different coordinate system is used when tracking. | |
571 | // This coordinate system is only relevant when the geometry represents | |
572 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
573 | // alone but X -> -Y and Y -> X such that X always points out of the | |
574 | // ITS Cylinder for every layer including layer 1 (where the detector | |
575 | // are mounted upside down). | |
576 | //Begin_Html | |
577 | /* | |
578 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
579 | */ | |
580 | //End_Html | |
581 | // Inputs: | |
582 | // Double_t g[3] The position represented in the ALICE | |
583 | // global coordinate system | |
584 | // Outputs: | |
585 | // Double_t l[3] The poistion represented in the local | |
586 | // detector coordiante system | |
587 | // Return: | |
588 | // none | |
df5240ea | 589 | Double_t l0[3]; |
590 | ||
023ae34b | 591 | this->GtoLPosition(g,l0); |
df5240ea | 592 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
593 | // with respect to the others. | |
594 | l[0] = +l0[1]; | |
595 | l[1] = -l0[0]; | |
596 | l[2] = +l0[2]; | |
597 | }else{ | |
598 | l[0] = -l0[1]; | |
599 | l[1] = +l0[0]; | |
600 | l[2] = +l0[2]; | |
601 | } // end if | |
602 | return; | |
603 | } | |
604 | //---------------------------------------------------------------------- | |
605 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], | |
023ae34b | 606 | Double_t g[3]) const { |
607 | // A slightly different coordinate system is used when tracking. | |
608 | // This coordinate system is only relevant when the geometry represents | |
609 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
610 | // alone but X -> -Y and Y -> X such that X always points out of the | |
611 | // ITS Cylinder for every layer including layer 1 (where the detector | |
612 | // are mounted upside down). | |
613 | //Begin_Html | |
614 | /* | |
615 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
616 | */ | |
617 | //End_Html | |
618 | // Inputs: | |
619 | // Double_t l[3] The poistion represented in the detector | |
620 | // local coordinate system | |
621 | // Outputs: | |
622 | // Double_t g[3] The poistion represented in the ALICE | |
623 | // Global coordinate system | |
624 | // Return: | |
625 | // none. | |
df5240ea | 626 | Double_t l0[3]; |
627 | ||
628 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
629 | // with respect to the others. | |
630 | l0[0] = -l[1]; | |
631 | l0[1] = +l[0]; | |
632 | l0[2] = +l[2]; | |
633 | }else{ | |
634 | l0[0] = +l[1]; | |
635 | l0[1] = -l[0]; | |
636 | l0[2] = +l[2]; | |
637 | } // end if | |
638 | this->LtoGPosition(l0,g); | |
639 | return; | |
640 | } | |
641 | //---------------------------------------------------------------------- | |
642 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], | |
023ae34b | 643 | Double_t l[3]) const { |
644 | // A slightly different coordinate system is used when tracking. | |
645 | // This coordinate system is only relevant when the geometry represents | |
646 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
647 | // alone but X -> -Y and Y -> X such that X always points out of the | |
648 | // ITS Cylinder for every layer including layer 1 (where the detector | |
649 | // are mounted upside down). | |
650 | //Begin_Html | |
651 | /* | |
652 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
653 | */ | |
654 | //End_Html | |
655 | // Inputs: | |
656 | // Double_t g[3] The momentum represented in the ALICE global | |
657 | // coordinate system | |
658 | // Outputs: | |
659 | // Double_t l[3] the momentum represented in the detector | |
660 | // local coordinate system | |
661 | // Return: | |
662 | // none. | |
df5240ea | 663 | Double_t l0[3]; |
664 | ||
665 | this->GtoLMomentum(g,l0); | |
666 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
667 | // with respect to the others. | |
668 | l[0] = +l0[1]; | |
669 | l[1] = -l0[0]; | |
670 | l[2] = +l0[2]; | |
671 | }else{ | |
672 | l[0] = -l0[1]; | |
673 | l[1] = +l0[0]; | |
674 | l[2] = +l0[2]; | |
675 | } // end if | |
676 | return; | |
df5240ea | 677 | } |
678 | //---------------------------------------------------------------------- | |
679 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], | |
023ae34b | 680 | Double_t g[3]) const { |
681 | // A slightly different coordinate system is used when tracking. | |
682 | // This coordinate system is only relevant when the geometry represents | |
683 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
684 | // alone but X -> -Y and Y -> X such that X always points out of the | |
685 | // ITS Cylinder for every layer including layer 1 (where the detector | |
686 | // are mounted upside down). | |
687 | //Begin_Html | |
688 | /* | |
689 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
690 | */ | |
691 | //End_Html | |
692 | // Inputs: | |
693 | // Double_t l[3] the momentum represented in the detector | |
694 | // local coordinate system | |
695 | // Outputs: | |
696 | // Double_t g[3] The momentum represented in the ALICE global | |
697 | // coordinate system | |
698 | // Return: | |
699 | // none. | |
df5240ea | 700 | Double_t l0[3]; |
701 | ||
702 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
703 | // with respect to the others. | |
704 | l0[0] = -l[1]; | |
705 | l0[1] = +l[0]; | |
706 | l0[2] = +l[2]; | |
707 | }else{ | |
708 | l0[0] = +l[1]; | |
709 | l0[1] = -l[0]; | |
710 | l0[2] = +l[2]; | |
711 | } // end if | |
712 | this->LtoGMomentum(l0,g); | |
713 | return; | |
714 | } | |
715 | //---------------------------------------------------------------------- | |
023ae34b | 716 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
717 | Double_t l[3][3]) const { | |
718 | // A slightly different coordinate system is used when tracking. | |
719 | // This coordinate system is only relevant when the geometry represents | |
720 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
721 | // alone but X -> -Y and Y -> X such that X always points out of the | |
722 | // ITS Cylinder for every layer including layer 1 (where the detector | |
723 | // are mounted upside down). | |
724 | //Begin_Html | |
725 | /* | |
726 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
727 | */ | |
728 | //End_Html | |
729 | // Inputs: | |
730 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
731 | // coordinate system | |
732 | // Outputs: | |
733 | // Double_t l[3][3] the error matrix represented in the detector | |
734 | // local coordinate system | |
735 | // Return: | |
df5240ea | 736 | Int_t i,j,k,m; |
85f1e34a | 737 | Double_t rt[3][3]; |
738 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
739 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 740 | |
741 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 742 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 743 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 744 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 745 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
746 | l[i][m] = 0.0; | |
747 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
748 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; | |
749 | } // end for i,m | |
750 | // g = R^t l R | |
df5240ea | 751 | return; |
752 | } | |
753 | //---------------------------------------------------------------------- | |
023ae34b | 754 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
755 | Double_t g[3][3]) const { | |
756 | // A slightly different coordinate system is used when tracking. | |
757 | // This coordinate system is only relevant when the geometry represents | |
758 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
759 | // alone but X -> -Y and Y -> X such that X always points out of the | |
760 | // ITS Cylinder for every layer including layer 1 (where the detector | |
761 | // are mounted upside down). | |
762 | //Begin_Html | |
763 | /* | |
764 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
765 | */ | |
766 | //End_Html | |
767 | // Inputs: | |
768 | // Double_t l[3][3] the error matrix represented in the detector | |
769 | // local coordinate system | |
770 | // Outputs: | |
771 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
772 | // coordinate system | |
773 | // Return: | |
774 | // none. | |
df5240ea | 775 | Int_t i,j,k,m; |
85f1e34a | 776 | Double_t rt[3][3]; |
777 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
778 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 779 | |
780 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 781 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 782 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 783 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 784 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
785 | g[i][m] = 0.0; | |
786 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
787 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; | |
788 | } // end for i,m | |
789 | // g = R l R^t | |
df5240ea | 790 | return; |
791 | } | |
792 | //---------------------------------------------------------------------- | |
024a4246 | 793 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
023ae34b | 794 | // Standard output format for this class but it includes variable |
795 | // names and formatting that makes it easer to read. | |
796 | // Inputs: | |
797 | // ostream *os The output stream to print the title on | |
798 | // Outputs: | |
799 | // none. | |
800 | // Return: | |
801 | // none. | |
df5240ea | 802 | Int_t i,j; |
803 | ||
804 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; | |
805 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
806 | *os << "} frot[3]={"; | |
807 | for(i=0;i<3;i++) *os << frot[i] << " "; | |
808 | *os << "} ftran[3]={"; | |
809 | for(i=0;i<3;i++) *os << ftran[i] << " "; | |
810 | *os << "} fm[3][3]={"; | |
811 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} | |
812 | *os << "}" << endl; | |
813 | return; | |
814 | } | |
815 | //---------------------------------------------------------------------- | |
024a4246 | 816 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
023ae34b | 817 | // output format used by Print. |
818 | // Inputs: | |
819 | // ostream *os The output stream to print the comments on | |
820 | // Outputs: | |
821 | // none. | |
822 | // Return: | |
823 | // none. | |
8253cd9a | 824 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
825 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; | |
826 | *os << "fm[2][0] fm[2][1] fm[2][2] "; | |
827 | return; | |
828 | } | |
829 | //---------------------------------------------------------------------- | |
5cf690c1 | 830 | void AliITSgeomMatrix::Print(ostream *os)const{ |
023ae34b | 831 | // Standard output format for this class. |
832 | // Inputs: | |
833 | // ostream *os The output stream to print the class data on | |
834 | // Outputs: | |
835 | // none. | |
836 | // Return: | |
837 | // none. | |
df5240ea | 838 | Int_t i,j; |
431a7819 | 839 | #if defined __GNUC__ |
840 | #if __GNUC__ > 2 | |
841 | ios::fmtflags fmt; | |
842 | #else | |
843 | Int_t fmt; | |
844 | #endif | |
94831058 | 845 | #else |
9f69211c | 846 | #if defined __ICC || defined __ECC || defined __xlC__ |
94831058 | 847 | ios::fmtflags fmt; |
431a7819 | 848 | #else |
31b8cd63 | 849 | Int_t fmt; |
94831058 | 850 | #endif |
431a7819 | 851 | #endif |
df5240ea | 852 | |
8253cd9a | 853 | fmt = os->setf(ios::scientific); // set scientific floating point output |
df5240ea | 854 | *os << fDetectorIndex << " "; |
855 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
8253cd9a | 856 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
857 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; | |
858 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << | |
859 | fm[i][j] << " "; | |
023ae34b | 860 | *os << fPath.Length()<< " "; |
861 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; | |
df5240ea | 862 | *os << endl; |
8253cd9a | 863 | os->flags(fmt); // reset back to old formating. |
df5240ea | 864 | return; |
865 | } | |
866 | //---------------------------------------------------------------------- | |
8253cd9a | 867 | void AliITSgeomMatrix::Read(istream *is){ |
023ae34b | 868 | // Standard input format for this class. |
869 | // Inputs: | |
870 | // istream *is The input stream to read on | |
871 | // Outputs: | |
872 | // none. | |
873 | // Return: | |
874 | // none. | |
df5240ea | 875 | Int_t i,j; |
876 | ||
877 | *is >> fDetectorIndex; | |
878 | for(i=0;i<3;i++) *is >> fid[i]; | |
8253cd9a | 879 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
df5240ea | 880 | for(i=0;i<3;i++) *is >> ftran[i]; |
881 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; | |
5cf690c1 | 882 | while(is->peek()==' ')is->get(); // skip white spaces |
883 | if(isprint(is->peek())){ // old format did not have path. | |
884 | *is >> j; // string length | |
885 | fPath.Resize(j); | |
886 | for(i=0;i<j;i++) {*is >> fPath[i];} | |
887 | } // end if | |
8253cd9a | 888 | AngleFromMatrix(); // compute angles frot[]. |
d8cc8493 | 889 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
890 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
891 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 892 | return; |
893 | } | |
d8cc8493 | 894 | //______________________________________________________________________ |
895 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ | |
896 | // Stream an object of class AliITSgeomMatrix. | |
023ae34b | 897 | // Inputs: |
898 | // TBuffer &R__b The output buffer to stream data on. | |
899 | // Outputs: | |
900 | // none. | |
901 | // Return: | |
902 | // none. | |
d8cc8493 | 903 | |
023ae34b | 904 | if (R__b.IsReading()) { |
905 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); | |
906 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
907 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
908 | this->AngleFromMatrix(); | |
909 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
910 | } else { | |
911 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); | |
912 | } // end if | |
d8cc8493 | 913 | } |
024a4246 | 914 | //______________________________________________________________________ |
915 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ | |
023ae34b | 916 | // Sets the translation vector and computes fCylR and fCylPhi. |
917 | // Inputs: | |
918 | // Double_t trans[3] The translation vector to be used | |
919 | // Outputs: | |
920 | // none. | |
921 | // Return: | |
922 | // none. | |
923 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; | |
924 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
925 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
926 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
927 | } | |
928 | //---------------------------------------------------------------------- | |
6b0f3880 | 929 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
023ae34b | 930 | // This class is used as part of the documentation of this class |
931 | // Inputs: | |
932 | // none. | |
933 | // Outputs: | |
934 | // none. | |
935 | // Return: | |
936 | // A pointer to a new TPolyLine3D object showing the 3 line | |
937 | // segments that make up the this local axis in the global | |
938 | // reference system. | |
939 | Float_t gf[15]; | |
940 | Double_t g[5][3]; | |
941 | Double_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, | |
942 | {0.0,0.0,1.0}}; | |
943 | Int_t i; | |
944 | ||
945 | for(i=0;i<5;i++) { | |
946 | LtoGPosition(l[i],g[i]); | |
947 | gf[3*i]=(Float_t)g[i][0]; | |
948 | gf[3*i+1]=(Float_t)g[i][1]; | |
949 | gf[3*i+2]=(Float_t)g[i][2]; | |
950 | } // end for i | |
951 | return new TPolyLine3D(5,gf); | |
952 | } | |
953 | //---------------------------------------------------------------------- | |
6b0f3880 | 954 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
023ae34b | 955 | // This class is used as part of the documentation of this class |
956 | // Inputs: | |
957 | // none. | |
958 | // Outputs: | |
959 | // none. | |
960 | // Return: | |
961 | // A pointer to a new TPolyLine3D object showing the 3 line | |
962 | // segments that make up the this local axis in the global | |
963 | // reference system. | |
964 | Float_t gf[15]; | |
965 | Double_t g[5][3]; | |
966 | Double_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, | |
967 | {0.0,0.0,1.0}}; | |
968 | Int_t i; | |
969 | ||
970 | for(i=0;i<5;i++) { | |
971 | LtoGPositionTracking(l[i],g[i]); | |
972 | gf[3*i]=(Float_t)g[i][0]; | |
973 | gf[3*i+1]=(Float_t)g[i][1]; | |
974 | gf[3*i+2]=(Float_t)g[i][2]; | |
975 | } // end for i | |
976 | return new TPolyLine3D(5,gf); | |
977 | } | |
978 | //---------------------------------------------------------------------- | |
979 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, | |
980 | const Char_t *nodeTitle,TNode *mother, | |
6b0f3880 | 981 | TShape *shape,Bool_t axis) const { |
023ae34b | 982 | // Creates a node inside of the node mother out of the shape shape |
983 | // in the position, with respect to mother, indecated by "this". If axis | |
984 | // is ture, it will insert an axis within this node/shape. | |
985 | // Inputs: | |
986 | // Char_t *nodeName This name of this node | |
987 | // Char_t *nodeTitle This node title | |
988 | // TNode *mother The node this node will be inside of/with respect to | |
989 | // TShape *shape The shape of this node | |
990 | // Bool_t axis If ture, a set of x,y,z axis will be included | |
991 | // Outputs: | |
992 | // none. | |
993 | // Return: | |
994 | // A pointer to "this" node. | |
995 | Double_t trans[3],matrix[3][3],*matr; | |
996 | TRotMatrix *rot = new TRotMatrix(); | |
997 | TString name,title; | |
998 | ||
999 | matr = &(matrix[0][0]); | |
1000 | this->GetTranslation(trans); | |
1001 | this->GetMatrix(matrix); | |
1002 | rot->SetMatrix(matr); | |
1003 | // | |
1004 | name = nodeName; | |
1005 | title = nodeTitle; | |
1006 | // | |
1007 | mother->cd(); | |
1008 | TNode *node1 = new TNode(name.Data(),title.Data(),shape,trans[0],trans[1],trans[2],rot); | |
1009 | if(axis){ | |
1010 | Int_t i,j; | |
6b0f3880 | 1011 | const Float_t kScale=0.5,kLw=0.2; |
1012 | Float_t xchar[13][2]={{0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, | |
1013 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, | |
1014 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, | |
1015 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, | |
1016 | {0.5*kLw,1.}}; | |
1017 | Float_t ychar[10][2]={{.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, | |
1018 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, | |
1019 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, | |
1020 | {.5-0.5*kLw,0.}}; | |
1021 | Float_t zchar[11][2]={{0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, | |
1022 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, | |
023ae34b | 1023 | {0.,1.}}; |
1024 | for(i=0;i<13;i++)for(j=0;j<2;j++){ | |
6b0f3880 | 1025 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
1026 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; | |
1027 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; | |
023ae34b | 1028 | } // end for i,j |
1029 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); | |
1030 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); | |
6b0f3880 | 1031 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
023ae34b | 1032 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
1033 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); | |
6b0f3880 | 1034 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
023ae34b | 1035 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
1036 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); | |
6b0f3880 | 1037 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
1038 | Float_t lxy[13][2]={{-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1039 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, | |
1040 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, | |
1041 | {-0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1042 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
1043 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); | |
6b0f3880 | 1044 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
1045 | Float_t lz[8][2]={{0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1046 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, | |
1047 | {0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1048 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
1049 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); | |
6b0f3880 | 1050 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
023ae34b | 1051 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
1052 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); | |
1053 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); | |
1054 | // | |
1055 | node1->cd(); | |
1056 | title = name.Append("axisxy"); | |
1057 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); | |
1058 | title = name.Append("axisz"); | |
1059 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz,0.,0.,0.,yaxis90); | |
1060 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, | |
1061 | lxy[3][0],lxy[3][1],0.0); | |
1062 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, | |
1063 | lxy[3][0],lxy[3][1],0.0,yaxis90); | |
1064 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, | |
1065 | lxy[3][0],lxy[3][1],0.0,zaxis90); | |
1066 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, | |
1067 | lxy[9][0],lxy[9][1],0.0); | |
1068 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, | |
1069 | lxy[9][0],lxy[9][1],0.0,yaxis90); | |
1070 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, | |
1071 | lxy[9][0],lxy[9][1],0.0,zaxis90); | |
1072 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, | |
1073 | 0.0,0.0,lz[3][0]); | |
1074 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, | |
1075 | 0.0,0.0,lz[3][0],yaxis90); | |
1076 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, | |
1077 | 0.0,0.0,lz[3][0],zaxis90); | |
1078 | nodeaxy->Draw(); | |
1079 | nodeaz->Draw(); | |
1080 | textboxX0->Draw(); | |
1081 | textboxX1->Draw(); | |
1082 | textboxX2->Draw(); | |
1083 | textboxY0->Draw(); | |
1084 | textboxY1->Draw(); | |
1085 | textboxY2->Draw(); | |
1086 | textboxZ0->Draw(); | |
1087 | textboxZ1->Draw(); | |
1088 | textboxZ2->Draw(); | |
1089 | } // end if | |
1090 | mother->cd(); | |
1091 | return node1; | |
024a4246 | 1092 | } |
023ae34b | 1093 | //---------------------------------------------------------------------- |
6b0f3880 | 1094 | void AliITSgeomMatrix::MakeFigures() const { |
023ae34b | 1095 | // make figures to help document this class |
1096 | // Inputs: | |
1097 | // none. | |
1098 | // Outputs: | |
1099 | // none. | |
1100 | // Return: | |
1101 | // none. | |
6b0f3880 | 1102 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
1103 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm | |
023ae34b | 1104 | Float_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, |
1105 | {0.0,0.0,1.0}}; | |
1106 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. | |
5385facc | 1107 | #if ROOT_VERSION_CODE>= 331523 |
1108 | Double_t rmin[]={-1,-1,-1}; | |
1109 | Double_t rmax[]={ 1, 1, 1}; | |
1110 | TView *view = new TView3D(1,rmin,rmax); | |
1111 | #else | |
023ae34b | 1112 | TView *view = new TView(1); // Create Cartesian coordiante view |
5385facc | 1113 | #endif |
6b0f3880 | 1114 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
1115 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); | |
023ae34b | 1116 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
1117 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); | |
1118 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); | |
1119 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); | |
024a4246 | 1120 | |
023ae34b | 1121 | det->SetLineColor(0); // black |
1122 | det->SetLineStyle(1); // solid line | |
1123 | det->SetLineWidth(2); // pixel units | |
1124 | det->SetFillColor(1); // black | |
1125 | det->SetFillStyle(4010); // window is 90% transparent | |
1126 | arrow->SetLineColor(det->GetLineColor()); | |
1127 | arrow->SetLineWidth(det->GetLineWidth()); | |
1128 | arrow->SetLineStyle(det->GetLineStyle()); | |
1129 | arrow->SetFillColor(1); // black | |
1130 | arrow->SetFillStyle(4100); // window is 100% opaque | |
6b0f3880 | 1131 | arrow->DefineSection(0,0.0,0.0,kRmax); |
1132 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); | |
1133 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); | |
023ae34b | 1134 | // |
1135 | TNode *node0 = new TNode("NODE0","NODE0",mother); | |
1136 | node0->cd(); | |
1137 | TNode *node1 = new TNode("NODE1","NODE1",det); | |
1138 | node1->cd(); | |
1139 | TNode *nodex = new TNode("NODEx","NODEx",arrow,l[0][0],l[0][1],l[0][2],xarrow); | |
1140 | TNode *nodey = new TNode("NODEy","NODEy",arrow,l[2][0],l[2][1],l[2][2],yarrow); | |
1141 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); | |
1142 | // | |
1143 | axis->Draw(); | |
1144 | nodex->Draw(); | |
1145 | nodey->Draw(); | |
1146 | nodez->Draw(); | |
1147 | ||
1148 | // | |
1149 | node0->cd(); | |
1150 | node0->Draw(); | |
1151 | c->Update(); | |
1152 | c->SaveAs("AliITSgeomMatrix_L1.gif"); | |
1153 | } | |
df5240ea | 1154 | //---------------------------------------------------------------------- |
1155 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ | |
023ae34b | 1156 | // Standard output streaming function. |
1157 | // Inputs: | |
1158 | // ostream &os The output stream to print the class data on | |
1159 | // AliITSgeomMatrix &p This class | |
1160 | // Outputs: | |
1161 | // none. | |
1162 | // Return: | |
1163 | // none. | |
df5240ea | 1164 | |
8253cd9a | 1165 | p.Print(&os); |
df5240ea | 1166 | return os; |
1167 | } | |
1168 | //---------------------------------------------------------------------- | |
1169 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ | |
023ae34b | 1170 | // Standard input streaming function. |
1171 | // Inputs: | |
1172 | // ostream &os The input stream to print the class data on | |
1173 | // AliITSgeomMatrix &p This class | |
1174 | // Outputs: | |
1175 | // none. | |
1176 | // Return: | |
1177 | // none. | |
df5240ea | 1178 | |
8253cd9a | 1179 | r.Read(&is); |
df5240ea | 1180 | return is; |
1181 | } | |
8253cd9a | 1182 | //---------------------------------------------------------------------- |