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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> |
34 | #include <TView.h> | |
35 | #include <TPolyLine3D.h> | |
023ae34b | 36 | #include <TNode.h> |
37 | #include <TPCON.h> | |
38 | #include <TBRIK.h> | |
39 | #include <TXTRU.h> | |
df5240ea | 40 | |
41 | #include "AliITSgeomMatrix.h" | |
42 | ||
43 | ClassImp(AliITSgeomMatrix) | |
44 | //---------------------------------------------------------------------- | |
023ae34b | 45 | AliITSgeomMatrix::AliITSgeomMatrix(): |
46 | TObject(), | |
47 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) | |
48 | fid(), // layer, ladder, detector numbers. | |
49 | frot(), //! vector of rotations about x,y,z [radians]. | |
50 | ftran(), // Translation vector of module x,y,z. | |
51 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
52 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
53 | fm(), // Rotation matrix based on frot. | |
54 | fPath(){ // Path in geometry to this module | |
55 | // The Default constructor for the AliITSgeomMatrix class. By Default | |
56 | // the angles of rotations are set to zero, meaning that the rotation | |
57 | // matrix is the unit matrix. The translation vector is also set to | |
58 | // zero as are the module id number. The detector type is set to -1 | |
59 | // (an undefined value). The full rotation matrix is kept so that | |
60 | // the evaluation of a coordinate transformation can be done | |
61 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
62 | // systems are the ALICE global coordinate system and the detector | |
63 | // local coordinate system. In general this structure is not limited | |
64 | // to just those two coordinate systems. | |
65 | //Begin_Html | |
66 | /* | |
67 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
68 | */ | |
69 | //End_Html | |
70 | // Inputs: | |
71 | // none. | |
72 | // Outputs: | |
73 | // none. | |
74 | // Return: | |
75 | // A default constructes AliITSgeomMatrix class. | |
df5240ea | 76 | Int_t i,j; |
77 | ||
78 | fDetectorIndex = -1; // a value never defined. | |
79 | for(i=0;i<3;i++){ | |
80 | fid[i] = 0; | |
81 | frot[i] = ftran[i] = 0.0; | |
82 | for(j=0;j<3;j++) fm[i][j] = 0.0; | |
d8cc8493 | 83 | fCylR = fCylPhi = 0.0; |
df5240ea | 84 | }// end for i |
85 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; | |
86 | } | |
e56160b8 | 87 | |
df5240ea | 88 | //---------------------------------------------------------------------- |
e56160b8 | 89 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
78d2d72a | 90 | TObject(source), |
e56160b8 | 91 | fDetectorIndex(source.fDetectorIndex), |
92 | fCylR(source.fCylR), | |
93 | fCylPhi(source.fCylPhi), | |
94 | fPath(source.fPath){ | |
023ae34b | 95 | // The standard Copy constructor. This make a full / proper copy of |
96 | // this class. | |
97 | // Inputs: | |
98 | // AliITSgeomMatrix &source The source of this copy | |
99 | // Outputs: | |
100 | // none. | |
101 | // Return: | |
102 | // A copy constructes AliITSgeomMatrix class. | |
df5240ea | 103 | Int_t i,j; |
df5240ea | 104 | for(i=0;i<3;i++){ |
e56160b8 | 105 | this->fid[i] = source.fid[i]; |
106 | this->frot[i] = source.frot[i]; | |
107 | this->ftran[i] = source.ftran[i]; | |
108 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
df5240ea | 109 | }// end for i |
110 | } | |
111 | //---------------------------------------------------------------------- | |
e56160b8 | 112 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
023ae34b | 113 | // The standard = operator. This make a full / proper copy of |
114 | // this class. | |
115 | // The standard Copy constructor. This make a full / proper copy of | |
116 | // this class. | |
117 | // Inputs: | |
118 | // AliITSgeomMatrix &source The source of this copy | |
119 | // Outputs: | |
120 | // none. | |
121 | // Return: | |
122 | // A copy of the source AliITSgeomMatrix class. | |
e56160b8 | 123 | if(this == &source)return *this; |
124 | Int_t i,j; | |
df5240ea | 125 | |
e56160b8 | 126 | this->fDetectorIndex = source.fDetectorIndex; |
127 | this->fCylR = source.fCylR; | |
128 | this->fCylPhi = source.fCylPhi; | |
129 | for(i=0;i<3;i++){ | |
130 | this->fid[i] = source.fid[i]; | |
131 | this->frot[i] = source.frot[i]; | |
132 | this->ftran[i] = source.ftran[i]; | |
133 | ||
134 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
135 | } | |
136 | this->fPath = source.fPath; | |
137 | return *this; | |
df5240ea | 138 | } |
e56160b8 | 139 | |
df5240ea | 140 | //---------------------------------------------------------------------- |
6ba216a4 | 141 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
023ae34b | 142 | const Double_t rot[3],const Double_t tran[3]): |
143 | TObject(), | |
4bfbde86 | 144 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 145 | fid(), // layer, ladder, detector numbers. |
146 | frot(), //! vector of rotations about x,y,z [radians]. | |
147 | ftran(), // Translation vector of module x,y,z. | |
148 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
149 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
150 | fm(), // Rotation matrix based on frot. | |
151 | fPath(){ // Path in geometry to this moduel | |
152 | // This is a constructor for the AliITSgeomMatrix class. The matrix is | |
153 | // defined by 3 standard rotation angles [radians], and the translation | |
154 | // vector tran [cm]. In addition the layer, ladder, and detector number | |
155 | // for this particular module and the type of module must be given. | |
156 | // The full rotation matrix is kept so that the evaluation | |
157 | // of a coordinate transformation can be done quickly and with a minimum | |
158 | // of CPU overhead. The basic coordinate systems are the ALICE global | |
159 | // coordinate system and the detector local coordinate system. In general | |
160 | // this structure is not limited to just those two coordinate systems. | |
161 | //Begin_Html | |
162 | /* | |
163 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
164 | */ | |
165 | //End_Html | |
166 | // Inputs: | |
167 | // Int_t idt The detector index value | |
168 | // Int_t id[3] The layer, ladder, and detector numbers | |
169 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] | |
170 | // Double_t tran[3] The 3 Cartician translation distnaces | |
171 | // Outputs: | |
172 | // none. | |
173 | // Return: | |
174 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 175 | Int_t i; |
df5240ea | 176 | |
d8cc8493 | 177 | for(i=0;i<3;i++){ |
178 | fid[i] = id[i]; | |
179 | frot[i] = rot[i]; | |
180 | ftran[i] = tran[i]; | |
181 | }// end for i | |
182 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
183 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
184 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
185 | this->MatrixFromAngle(); | |
df5240ea | 186 | } |
187 | //---------------------------------------------------------------------- | |
6ba216a4 | 188 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
d962cab4 | 189 | Double_t matrix[3][3], |
023ae34b | 190 | const Double_t tran[3]): |
191 | TObject(), | |
4bfbde86 | 192 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 193 | fid(), // layer, ladder, detector numbers. |
194 | frot(), //! vector of rotations about x,y,z [radians]. | |
195 | ftran(), // Translation vector of module x,y,z. | |
196 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
197 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
198 | fm(), // Rotation matrix based on frot. | |
199 | fPath(){ // Path in geometry to this module | |
200 | // This is a constructor for the AliITSgeomMatrix class. The | |
201 | // rotation matrix is given as one of the inputs, and the | |
202 | // translation vector tran [cm]. In addition the layer, ladder, | |
203 | // and detector number for this particular module and the type of | |
204 | // module must be given. The full rotation matrix is kept so that | |
205 | // the evaluation of a coordinate transformation can be done quickly | |
206 | // and with a minimum of CPU overhead. The basic coordinate systems | |
207 | // are the ALICE global coordinate system and the detector local | |
208 | // coordinate system. In general this structure is not limited to just | |
209 | // those two coordinate systems. | |
210 | //Begin_Html | |
211 | /* | |
212 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
213 | */ | |
214 | //End_Html | |
215 | // Inputs: | |
216 | // Int_t idt The detector index value | |
217 | // Int_t id[3] The layer, ladder, and detector numbers | |
218 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix | |
219 | // Double_t tran[3] The 3 Cartician translation distnaces | |
220 | // Outputs: | |
221 | // none. | |
222 | // Return: | |
223 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 224 | Int_t i,j; |
df5240ea | 225 | |
d8cc8493 | 226 | for(i=0;i<3;i++){ |
227 | fid[i] = id[i]; | |
228 | ftran[i] = tran[i]; | |
229 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; | |
230 | }// end for i | |
231 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
232 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
233 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
234 | this->AngleFromMatrix(); | |
df5240ea | 235 | } |
236 | //---------------------------------------------------------------------- | |
5cf690c1 | 237 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
023ae34b | 238 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
239 | // the array ang which must be at least [6] long. | |
240 | // Inputs: | |
241 | // none. | |
242 | // Outputs: | |
243 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
244 | // Return: | |
245 | // noting | |
df5240ea | 246 | Double_t si,c=180./TMath::Pi(); |
247 | ||
248 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); | |
249 | if(TMath::Cos(ang[1])!=0.0) si = fm[0][0]/TMath::Cos(ang[1]); | |
250 | else si = fm[0][1]/TMath::Sin(ang[1]); | |
251 | ang[0] = TMath::ATan2(si,fm[0][2]); | |
252 | ||
253 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); | |
254 | if(TMath::Cos(ang[3])!=0.0) si = fm[1][0]/TMath::Cos(ang[3]); | |
255 | else si = fm[1][1]/TMath::Sin(ang[3]); | |
3f616de1 | 256 | ang[2] = TMath::ATan2(si,fm[1][2]); |
df5240ea | 257 | |
3f616de1 | 258 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
259 | if(TMath::Cos(ang[5])!=0.0) si = fm[2][0]/TMath::Cos(ang[5]); | |
260 | else si = fm[2][1]/TMath::Sin(ang[5]); | |
261 | ang[4] = TMath::ATan2(si,fm[2][2]); | |
df5240ea | 262 | |
263 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} | |
264 | } | |
265 | //---------------------------------------------------------------------- | |
266 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ | |
023ae34b | 267 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
268 | // set the rotations matrix and 3 standard rotation angles [radians]. | |
269 | // These angles and rotation matrix are overwrite the existing values in | |
270 | // this class. | |
271 | // Inputs: | |
272 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
273 | // Outputs: | |
274 | // none. | |
275 | // Return: | |
276 | // noting | |
df5240ea | 277 | Int_t i,j; |
278 | Double_t si,lr[9],c=TMath::Pi()/180.; | |
279 | ||
280 | si = TMath::Sin(c*ang[0]); | |
281 | if(ang[0]== 90.0) si = +1.0; | |
282 | if(ang[0]==270.0) si = -1.0; | |
283 | if(ang[0]== 0.0||ang[0]==180.) si = 0.0; | |
284 | lr[0] = si * TMath::Cos(c*ang[1]); | |
285 | lr[1] = si * TMath::Sin(c*ang[1]); | |
286 | lr[2] = TMath::Cos(c*ang[0]); | |
287 | if(ang[0]== 90.0||ang[0]==270.) lr[2] = 0.0; | |
288 | if(ang[0]== 0.0) lr[2] = +1.0; | |
289 | if(ang[0]==180.0) lr[2] = -1.0; | |
290 | // | |
291 | si = TMath::Sin(c*ang[2]); | |
292 | if(ang[2]== 90.0) si = +1.0; | |
293 | if(ang[2]==270.0) si = -1.0; | |
294 | if(ang[2]== 0.0||ang[2]==180.) si = 0.0; | |
295 | lr[3] = si * TMath::Cos(c*ang[3]); | |
296 | lr[4] = si * TMath::Sin(c*ang[3]); | |
297 | lr[5] = TMath::Cos(c*ang[2]); | |
298 | if(ang[2]== 90.0||ang[2]==270.) lr[5] = 0.0; | |
299 | if(ang[2]== 0.0) lr[5] = +1.0; | |
300 | if(ang[2]==180.0) lr[5] = -1.0; | |
301 | // | |
302 | si = TMath::Sin(c*ang[4]); | |
303 | if(ang[4]== 90.0) si = +1.0; | |
304 | if(ang[4]==270.0) si = -1.0; | |
305 | if(ang[4]== 0.0||ang[4]==180.) si = 0.0; | |
306 | lr[6] = si * TMath::Cos(c*ang[5]); | |
307 | lr[7] = si * TMath::Sin(c*ang[5]); | |
308 | lr[8] = TMath::Cos(c*ang[4]); | |
309 | if(ang[4]== 90.0||ang[4]==270.0) lr[8] = 0.0; | |
310 | if(ang[4]== 0.0) lr[8] = +1.0; | |
311 | if(ang[4]==180.0) lr[8] = -1.0; | |
312 | // Normalize these elements and fill matrix fm. | |
313 | for(i=0;i<3;i++){// reuse si. | |
314 | si = 0.0; | |
315 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; | |
316 | si = TMath::Sqrt(1./si); | |
317 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; | |
318 | } // end for i | |
319 | this->AngleFromMatrix(); | |
320 | } | |
321 | //---------------------------------------------------------------------- | |
322 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, | |
6ba216a4 | 323 | Int_t idt,const Int_t id[3], |
4bfbde86 | 324 | const Double_t tran[3]): |
325 | TObject(), | |
326 | fDetectorIndex(idt), | |
327 | fCylR(0.), | |
328 | fCylPhi(0.), | |
329 | fPath(){ | |
023ae34b | 330 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
331 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and | |
332 | // the translation vector tran [cm]. In addition the layer, ladder, | |
333 | // and detector number for this particular module and the type of | |
334 | // module must be given. The full rotation matrix is kept so that | |
335 | // the evaluation of a coordinate transformation can be done | |
336 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
337 | // systems are the ALICE global coordinate system and the detector | |
338 | // local coordinate system. In general this structure is not limited | |
339 | // to just those two coordinate systems. | |
340 | //Begin_Html | |
341 | /* | |
342 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
343 | */ | |
344 | //End_Html | |
345 | // Inputs: | |
346 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] | |
347 | // Int_t idt The module Id number | |
348 | // Int_t id[3] The layer, ladder and detector number | |
349 | // Double_t tran[3] The translation vector | |
df5240ea | 350 | Int_t i; |
351 | ||
df5240ea | 352 | for(i=0;i<3;i++){ |
353 | fid[i] = id[i]; | |
354 | ftran[i] = tran[i]; | |
355 | }// end for i | |
d8cc8493 | 356 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
357 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
358 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 359 | this->MatrixFromSixAngles(rotd); |
360 | } | |
78d2d72a | 361 | |
df5240ea | 362 | //---------------------------------------------------------------------- |
363 | void AliITSgeomMatrix::AngleFromMatrix(){ | |
023ae34b | 364 | // Computes the angles from the rotation matrix up to a phase of |
e16acbad | 365 | // 180 degrees. The matrix used in AliITSgeomMatrix::MatrixFromAngle() |
366 | // and its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
367 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
78d2d72a | 368 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
369 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 | |
370 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 | |
e16acbad | 371 | // The choice of the since of S, comes from the choice between |
372 | // the rotation of the object or the coordinate system (view). I think | |
373 | // that this choice is the first, the rotation of the object. | |
023ae34b | 374 | // Inputs: |
375 | // none | |
376 | // Outputs: | |
377 | // none | |
378 | // Return: | |
379 | // none | |
df5240ea | 380 | Double_t rx,ry,rz; |
381 | // get angles from matrix up to a phase of 180 degrees. | |
382 | ||
383 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); | |
78d2d72a | 384 | ry = TMath::ASin(-fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
e16acbad | 385 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
df5240ea | 386 | frot[0] = rx; |
387 | frot[1] = ry; | |
388 | frot[2] = rz; | |
389 | return; | |
390 | } | |
78d2d72a | 391 | |
df5240ea | 392 | //---------------------------------------------------------------------- |
393 | void AliITSgeomMatrix::MatrixFromAngle(){ | |
023ae34b | 394 | // Computes the Rotation matrix from the angles [radians] kept in this |
e16acbad | 395 | // class. The matrix used in AliITSgeomMatrix::MatrixFromAngle() and |
396 | // its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
397 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
78d2d72a | 398 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
399 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 | |
400 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 | |
e16acbad | 401 | // The choice of the since of S, comes from the choice between |
402 | // the rotation of the object or the coordinate system (view). I think | |
403 | // that this choice is the first, the rotation of the object. | |
023ae34b | 404 | // Inputs: |
405 | // none | |
406 | // Outputs: | |
407 | // none | |
408 | // Return: | |
409 | // none | |
df5240ea | 410 | Double_t sx,sy,sz,cx,cy,cz; |
411 | ||
412 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); | |
413 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); | |
414 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); | |
78d2d72a | 415 | fm[0][0] = +cz*cy; // fr[0] |
416 | fm[0][1] = +cz*sy*sx - sz*cx; // fr[1] | |
417 | fm[0][2] = +cz*sy*cx + sz*sx; // fr[2] | |
418 | fm[1][0] = +sz*cy; // fr[3] | |
419 | fm[1][1] = +sz*sy*sx + cz*cx; // fr[4] | |
420 | fm[1][2] = +sz*sy*cx - cz*sx; // fr[5] | |
421 | fm[2][0] = -sy; // fr[6] | |
422 | fm[2][1] = +cy*sx; // fr[7] | |
423 | fm[2][2] = +cy*cx; // fr[8] | |
df5240ea | 424 | |
425 | } | |
78d2d72a | 426 | |
df5240ea | 427 | //---------------------------------------------------------------------- |
024a4246 | 428 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
023ae34b | 429 | // Returns the local coordinates given the global coordinates [cm]. |
430 | // Inputs: | |
431 | // Double_t g[3] The position represented in the ALICE | |
432 | // global coordinate system | |
433 | // Outputs: | |
434 | // Double_t l[3] The poistion represented in the local | |
435 | // detector coordiante system | |
436 | // Return: | |
437 | // none | |
df5240ea | 438 | Int_t i,j; |
439 | Double_t g[3]; | |
440 | ||
441 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; | |
442 | for(i=0;i<3;i++){ | |
443 | l[i] = 0.0; | |
444 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
445 | // g = R l + translation | |
446 | } // end for i | |
447 | return; | |
448 | } | |
449 | //---------------------------------------------------------------------- | |
024a4246 | 450 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 451 | // Returns the global coordinates given the local coordinates [cm]. |
452 | // Inputs: | |
453 | // Double_t l[3] The poistion represented in the detector | |
454 | // local coordinate system | |
455 | // Outputs: | |
456 | // Double_t g[3] The poistion represented in the ALICE | |
457 | // Global coordinate system | |
458 | // Return: | |
459 | // none. | |
df5240ea | 460 | Int_t i,j; |
461 | ||
462 | for(i=0;i<3;i++){ | |
463 | g[i] = 0.0; | |
464 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
465 | g[i] += ftran[i]; | |
466 | // g = R^t l + translation | |
467 | } // end for i | |
468 | return; | |
469 | } | |
470 | //---------------------------------------------------------------------- | |
024a4246 | 471 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
023ae34b | 472 | // Returns the local coordinates of the momentum given the global |
473 | // coordinates of the momentum. It transforms just like GtoLPosition | |
474 | // except that the translation vector is zero. | |
475 | // Inputs: | |
476 | // Double_t g[3] The momentum represented in the ALICE global | |
477 | // coordinate system | |
478 | // Outputs: | |
479 | // Double_t l[3] the momentum represented in the detector | |
480 | // local coordinate system | |
481 | // Return: | |
482 | // none. | |
df5240ea | 483 | Int_t i,j; |
484 | ||
485 | for(i=0;i<3;i++){ | |
486 | l[i] = 0.0; | |
487 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
488 | // g = R l | |
489 | } // end for i | |
490 | return; | |
491 | } | |
492 | //---------------------------------------------------------------------- | |
024a4246 | 493 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 494 | // Returns the Global coordinates of the momentum given the local |
495 | // coordinates of the momentum. It transforms just like LtoGPosition | |
496 | // except that the translation vector is zero. | |
497 | // Inputs: | |
498 | // Double_t l[3] the momentum represented in the detector | |
499 | // local coordinate system | |
500 | // Outputs: | |
501 | // Double_t g[3] The momentum represented in the ALICE global | |
502 | // coordinate system | |
503 | // Return: | |
504 | // none. | |
df5240ea | 505 | Int_t i,j; |
506 | ||
507 | for(i=0;i<3;i++){ | |
508 | g[i] = 0.0; | |
509 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
510 | // g = R^t l | |
511 | } // end for i | |
512 | return; | |
513 | } | |
514 | //---------------------------------------------------------------------- | |
023ae34b | 515 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
516 | Double_t l[3][3]) const { | |
517 | // Given an Uncertainty matrix in Global coordinates it is | |
518 | // rotated so that its representation in local coordinates can | |
519 | // be returned. There is no effect due to the translation vector | |
520 | // or its uncertainty. | |
521 | // Inputs: | |
522 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
523 | // coordinate system | |
524 | // Outputs: | |
525 | // Double_t l[3][3] the error matrix represented in the detector | |
526 | // local coordinate system | |
527 | // Return: | |
528 | // none. | |
df5240ea | 529 | Int_t i,j,k,m; |
530 | ||
ecb0c8bc | 531 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
532 | l[i][m] = 0.0; | |
533 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
534 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; | |
535 | } // end for i,m | |
536 | // g = R^t l R | |
df5240ea | 537 | return; |
538 | } | |
539 | //---------------------------------------------------------------------- | |
023ae34b | 540 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
024a4246 | 541 | Double_t g[3][3]) const { |
023ae34b | 542 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
543 | // its representation in global coordinates can be returned. There is no | |
544 | // effect due to the translation vector or its uncertainty. | |
545 | // Inputs: | |
546 | // Double_t l[3][3] the error matrix represented in the detector | |
547 | // local coordinate system | |
548 | // Outputs: | |
549 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
550 | // coordinate system | |
551 | // Return: | |
552 | // none. | |
df5240ea | 553 | Int_t i,j,k,m; |
554 | ||
ecb0c8bc | 555 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
556 | g[i][m] = 0.0; | |
557 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
558 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; | |
559 | } // end for i,m | |
560 | // g = R l R^t | |
df5240ea | 561 | return; |
562 | } | |
563 | //---------------------------------------------------------------------- | |
023ae34b | 564 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
565 | Double_t l[3]) const { | |
566 | // A slightly different coordinate system is used when tracking. | |
567 | // This coordinate system is only relevant when the geometry represents | |
568 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
569 | // alone but X -> -Y and Y -> X such that X always points out of the | |
570 | // ITS Cylinder for every layer including layer 1 (where the detector | |
571 | // are mounted upside down). | |
572 | //Begin_Html | |
573 | /* | |
574 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
575 | */ | |
576 | //End_Html | |
577 | // Inputs: | |
578 | // Double_t g[3] The position represented in the ALICE | |
579 | // global coordinate system | |
580 | // Outputs: | |
581 | // Double_t l[3] The poistion represented in the local | |
582 | // detector coordiante system | |
583 | // Return: | |
584 | // none | |
df5240ea | 585 | Double_t l0[3]; |
586 | ||
023ae34b | 587 | this->GtoLPosition(g,l0); |
df5240ea | 588 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
589 | // with respect to the others. | |
590 | l[0] = +l0[1]; | |
591 | l[1] = -l0[0]; | |
592 | l[2] = +l0[2]; | |
593 | }else{ | |
594 | l[0] = -l0[1]; | |
595 | l[1] = +l0[0]; | |
596 | l[2] = +l0[2]; | |
597 | } // end if | |
598 | return; | |
599 | } | |
600 | //---------------------------------------------------------------------- | |
601 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], | |
023ae34b | 602 | Double_t g[3]) const { |
603 | // A slightly different coordinate system is used when tracking. | |
604 | // This coordinate system is only relevant when the geometry represents | |
605 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
606 | // alone but X -> -Y and Y -> X such that X always points out of the | |
607 | // ITS Cylinder for every layer including layer 1 (where the detector | |
608 | // are mounted upside down). | |
609 | //Begin_Html | |
610 | /* | |
611 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
612 | */ | |
613 | //End_Html | |
614 | // Inputs: | |
615 | // Double_t l[3] The poistion represented in the detector | |
616 | // local coordinate system | |
617 | // Outputs: | |
618 | // Double_t g[3] The poistion represented in the ALICE | |
619 | // Global coordinate system | |
620 | // Return: | |
621 | // none. | |
df5240ea | 622 | Double_t l0[3]; |
623 | ||
624 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
625 | // with respect to the others. | |
626 | l0[0] = -l[1]; | |
627 | l0[1] = +l[0]; | |
628 | l0[2] = +l[2]; | |
629 | }else{ | |
630 | l0[0] = +l[1]; | |
631 | l0[1] = -l[0]; | |
632 | l0[2] = +l[2]; | |
633 | } // end if | |
634 | this->LtoGPosition(l0,g); | |
635 | return; | |
636 | } | |
637 | //---------------------------------------------------------------------- | |
638 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], | |
023ae34b | 639 | Double_t l[3]) const { |
640 | // A slightly different coordinate system is used when tracking. | |
641 | // This coordinate system is only relevant when the geometry represents | |
642 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
643 | // alone but X -> -Y and Y -> X such that X always points out of the | |
644 | // ITS Cylinder for every layer including layer 1 (where the detector | |
645 | // are mounted upside down). | |
646 | //Begin_Html | |
647 | /* | |
648 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
649 | */ | |
650 | //End_Html | |
651 | // Inputs: | |
652 | // Double_t g[3] The momentum represented in the ALICE global | |
653 | // coordinate system | |
654 | // Outputs: | |
655 | // Double_t l[3] the momentum represented in the detector | |
656 | // local coordinate system | |
657 | // Return: | |
658 | // none. | |
df5240ea | 659 | Double_t l0[3]; |
660 | ||
661 | this->GtoLMomentum(g,l0); | |
662 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
663 | // with respect to the others. | |
664 | l[0] = +l0[1]; | |
665 | l[1] = -l0[0]; | |
666 | l[2] = +l0[2]; | |
667 | }else{ | |
668 | l[0] = -l0[1]; | |
669 | l[1] = +l0[0]; | |
670 | l[2] = +l0[2]; | |
671 | } // end if | |
672 | return; | |
df5240ea | 673 | } |
674 | //---------------------------------------------------------------------- | |
675 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], | |
023ae34b | 676 | Double_t g[3]) const { |
677 | // A slightly different coordinate system is used when tracking. | |
678 | // This coordinate system is only relevant when the geometry represents | |
679 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
680 | // alone but X -> -Y and Y -> X such that X always points out of the | |
681 | // ITS Cylinder for every layer including layer 1 (where the detector | |
682 | // are mounted upside down). | |
683 | //Begin_Html | |
684 | /* | |
685 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
686 | */ | |
687 | //End_Html | |
688 | // Inputs: | |
689 | // Double_t l[3] the momentum represented in the detector | |
690 | // local coordinate system | |
691 | // Outputs: | |
692 | // Double_t g[3] The momentum represented in the ALICE global | |
693 | // coordinate system | |
694 | // Return: | |
695 | // none. | |
df5240ea | 696 | Double_t l0[3]; |
697 | ||
698 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
699 | // with respect to the others. | |
700 | l0[0] = -l[1]; | |
701 | l0[1] = +l[0]; | |
702 | l0[2] = +l[2]; | |
703 | }else{ | |
704 | l0[0] = +l[1]; | |
705 | l0[1] = -l[0]; | |
706 | l0[2] = +l[2]; | |
707 | } // end if | |
708 | this->LtoGMomentum(l0,g); | |
709 | return; | |
710 | } | |
711 | //---------------------------------------------------------------------- | |
023ae34b | 712 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
713 | Double_t l[3][3]) const { | |
714 | // A slightly different coordinate system is used when tracking. | |
715 | // This coordinate system is only relevant when the geometry represents | |
716 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
717 | // alone but X -> -Y and Y -> X such that X always points out of the | |
718 | // ITS Cylinder for every layer including layer 1 (where the detector | |
719 | // are mounted upside down). | |
720 | //Begin_Html | |
721 | /* | |
722 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
723 | */ | |
724 | //End_Html | |
725 | // Inputs: | |
726 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
727 | // coordinate system | |
728 | // Outputs: | |
729 | // Double_t l[3][3] the error matrix represented in the detector | |
730 | // local coordinate system | |
731 | // Return: | |
df5240ea | 732 | Int_t i,j,k,m; |
85f1e34a | 733 | Double_t rt[3][3]; |
734 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
735 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 736 | |
737 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 738 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 739 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 740 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 741 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
742 | l[i][m] = 0.0; | |
743 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
744 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; | |
745 | } // end for i,m | |
746 | // g = R^t l R | |
df5240ea | 747 | return; |
748 | } | |
749 | //---------------------------------------------------------------------- | |
023ae34b | 750 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
751 | Double_t g[3][3]) const { | |
752 | // A slightly different coordinate system is used when tracking. | |
753 | // This coordinate system is only relevant when the geometry represents | |
754 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
755 | // alone but X -> -Y and Y -> X such that X always points out of the | |
756 | // ITS Cylinder for every layer including layer 1 (where the detector | |
757 | // are mounted upside down). | |
758 | //Begin_Html | |
759 | /* | |
760 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
761 | */ | |
762 | //End_Html | |
763 | // Inputs: | |
764 | // Double_t l[3][3] the error matrix represented in the detector | |
765 | // local coordinate system | |
766 | // Outputs: | |
767 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
768 | // coordinate system | |
769 | // Return: | |
770 | // none. | |
df5240ea | 771 | Int_t i,j,k,m; |
85f1e34a | 772 | Double_t rt[3][3]; |
773 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
774 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 775 | |
776 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 777 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 778 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 779 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 780 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
781 | g[i][m] = 0.0; | |
782 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
783 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; | |
784 | } // end for i,m | |
785 | // g = R l R^t | |
df5240ea | 786 | return; |
787 | } | |
788 | //---------------------------------------------------------------------- | |
024a4246 | 789 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
023ae34b | 790 | // Standard output format for this class but it includes variable |
791 | // names and formatting that makes it easer to read. | |
792 | // Inputs: | |
793 | // ostream *os The output stream to print the title on | |
794 | // Outputs: | |
795 | // none. | |
796 | // Return: | |
797 | // none. | |
df5240ea | 798 | Int_t i,j; |
799 | ||
800 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; | |
801 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
802 | *os << "} frot[3]={"; | |
803 | for(i=0;i<3;i++) *os << frot[i] << " "; | |
804 | *os << "} ftran[3]={"; | |
805 | for(i=0;i<3;i++) *os << ftran[i] << " "; | |
806 | *os << "} fm[3][3]={"; | |
807 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} | |
808 | *os << "}" << endl; | |
809 | return; | |
810 | } | |
811 | //---------------------------------------------------------------------- | |
024a4246 | 812 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
023ae34b | 813 | // output format used by Print. |
814 | // Inputs: | |
815 | // ostream *os The output stream to print the comments on | |
816 | // Outputs: | |
817 | // none. | |
818 | // Return: | |
819 | // none. | |
8253cd9a | 820 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
821 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; | |
822 | *os << "fm[2][0] fm[2][1] fm[2][2] "; | |
823 | return; | |
824 | } | |
825 | //---------------------------------------------------------------------- | |
5cf690c1 | 826 | void AliITSgeomMatrix::Print(ostream *os)const{ |
023ae34b | 827 | // Standard output format for this class. |
828 | // Inputs: | |
829 | // ostream *os The output stream to print the class data on | |
830 | // Outputs: | |
831 | // none. | |
832 | // Return: | |
833 | // none. | |
df5240ea | 834 | Int_t i,j; |
431a7819 | 835 | #if defined __GNUC__ |
836 | #if __GNUC__ > 2 | |
837 | ios::fmtflags fmt; | |
838 | #else | |
839 | Int_t fmt; | |
840 | #endif | |
94831058 | 841 | #else |
9f69211c | 842 | #if defined __ICC || defined __ECC || defined __xlC__ |
94831058 | 843 | ios::fmtflags fmt; |
431a7819 | 844 | #else |
31b8cd63 | 845 | Int_t fmt; |
94831058 | 846 | #endif |
431a7819 | 847 | #endif |
df5240ea | 848 | |
8253cd9a | 849 | fmt = os->setf(ios::scientific); // set scientific floating point output |
df5240ea | 850 | *os << fDetectorIndex << " "; |
851 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
8253cd9a | 852 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
853 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; | |
854 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << | |
855 | fm[i][j] << " "; | |
023ae34b | 856 | *os << fPath.Length()<< " "; |
857 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; | |
df5240ea | 858 | *os << endl; |
8253cd9a | 859 | os->flags(fmt); // reset back to old formating. |
df5240ea | 860 | return; |
861 | } | |
862 | //---------------------------------------------------------------------- | |
8253cd9a | 863 | void AliITSgeomMatrix::Read(istream *is){ |
023ae34b | 864 | // Standard input format for this class. |
865 | // Inputs: | |
866 | // istream *is The input stream to read on | |
867 | // Outputs: | |
868 | // none. | |
869 | // Return: | |
870 | // none. | |
df5240ea | 871 | Int_t i,j; |
872 | ||
873 | *is >> fDetectorIndex; | |
874 | for(i=0;i<3;i++) *is >> fid[i]; | |
8253cd9a | 875 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
df5240ea | 876 | for(i=0;i<3;i++) *is >> ftran[i]; |
877 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; | |
5cf690c1 | 878 | while(is->peek()==' ')is->get(); // skip white spaces |
879 | if(isprint(is->peek())){ // old format did not have path. | |
880 | *is >> j; // string length | |
881 | fPath.Resize(j); | |
882 | for(i=0;i<j;i++) {*is >> fPath[i];} | |
883 | } // end if | |
8253cd9a | 884 | AngleFromMatrix(); // compute angles frot[]. |
d8cc8493 | 885 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
886 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
887 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 888 | return; |
889 | } | |
d8cc8493 | 890 | //______________________________________________________________________ |
891 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ | |
892 | // Stream an object of class AliITSgeomMatrix. | |
023ae34b | 893 | // Inputs: |
894 | // TBuffer &R__b The output buffer to stream data on. | |
895 | // Outputs: | |
896 | // none. | |
897 | // Return: | |
898 | // none. | |
d8cc8493 | 899 | |
023ae34b | 900 | if (R__b.IsReading()) { |
901 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); | |
902 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
903 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
904 | this->AngleFromMatrix(); | |
905 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
906 | } else { | |
907 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); | |
908 | } // end if | |
d8cc8493 | 909 | } |
024a4246 | 910 | //______________________________________________________________________ |
911 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ | |
023ae34b | 912 | // Sets the translation vector and computes fCylR and fCylPhi. |
913 | // Inputs: | |
914 | // Double_t trans[3] The translation vector to be used | |
915 | // Outputs: | |
916 | // none. | |
917 | // Return: | |
918 | // none. | |
919 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; | |
920 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
921 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
922 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
923 | } | |
924 | //---------------------------------------------------------------------- | |
6b0f3880 | 925 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
023ae34b | 926 | // This class is used as part of the documentation of this class |
927 | // Inputs: | |
928 | // none. | |
929 | // Outputs: | |
930 | // none. | |
931 | // Return: | |
932 | // A pointer to a new TPolyLine3D object showing the 3 line | |
933 | // segments that make up the this local axis in the global | |
934 | // reference system. | |
935 | Float_t gf[15]; | |
936 | Double_t g[5][3]; | |
937 | 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}, | |
938 | {0.0,0.0,1.0}}; | |
939 | Int_t i; | |
940 | ||
941 | for(i=0;i<5;i++) { | |
942 | LtoGPosition(l[i],g[i]); | |
943 | gf[3*i]=(Float_t)g[i][0]; | |
944 | gf[3*i+1]=(Float_t)g[i][1]; | |
945 | gf[3*i+2]=(Float_t)g[i][2]; | |
946 | } // end for i | |
947 | return new TPolyLine3D(5,gf); | |
948 | } | |
949 | //---------------------------------------------------------------------- | |
6b0f3880 | 950 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
023ae34b | 951 | // This class is used as part of the documentation of this class |
952 | // Inputs: | |
953 | // none. | |
954 | // Outputs: | |
955 | // none. | |
956 | // Return: | |
957 | // A pointer to a new TPolyLine3D object showing the 3 line | |
958 | // segments that make up the this local axis in the global | |
959 | // reference system. | |
960 | Float_t gf[15]; | |
961 | Double_t g[5][3]; | |
962 | 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}, | |
963 | {0.0,0.0,1.0}}; | |
964 | Int_t i; | |
965 | ||
966 | for(i=0;i<5;i++) { | |
967 | LtoGPositionTracking(l[i],g[i]); | |
968 | gf[3*i]=(Float_t)g[i][0]; | |
969 | gf[3*i+1]=(Float_t)g[i][1]; | |
970 | gf[3*i+2]=(Float_t)g[i][2]; | |
971 | } // end for i | |
972 | return new TPolyLine3D(5,gf); | |
973 | } | |
974 | //---------------------------------------------------------------------- | |
975 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, | |
976 | const Char_t *nodeTitle,TNode *mother, | |
6b0f3880 | 977 | TShape *shape,Bool_t axis) const { |
023ae34b | 978 | // Creates a node inside of the node mother out of the shape shape |
979 | // in the position, with respect to mother, indecated by "this". If axis | |
980 | // is ture, it will insert an axis within this node/shape. | |
981 | // Inputs: | |
982 | // Char_t *nodeName This name of this node | |
983 | // Char_t *nodeTitle This node title | |
984 | // TNode *mother The node this node will be inside of/with respect to | |
985 | // TShape *shape The shape of this node | |
986 | // Bool_t axis If ture, a set of x,y,z axis will be included | |
987 | // Outputs: | |
988 | // none. | |
989 | // Return: | |
990 | // A pointer to "this" node. | |
991 | Double_t trans[3],matrix[3][3],*matr; | |
992 | TRotMatrix *rot = new TRotMatrix(); | |
993 | TString name,title; | |
994 | ||
995 | matr = &(matrix[0][0]); | |
996 | this->GetTranslation(trans); | |
997 | this->GetMatrix(matrix); | |
998 | rot->SetMatrix(matr); | |
999 | // | |
1000 | name = nodeName; | |
1001 | title = nodeTitle; | |
1002 | // | |
1003 | mother->cd(); | |
1004 | TNode *node1 = new TNode(name.Data(),title.Data(),shape,trans[0],trans[1],trans[2],rot); | |
1005 | if(axis){ | |
1006 | Int_t i,j; | |
6b0f3880 | 1007 | const Float_t kScale=0.5,kLw=0.2; |
1008 | Float_t xchar[13][2]={{0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, | |
1009 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, | |
1010 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, | |
1011 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, | |
1012 | {0.5*kLw,1.}}; | |
1013 | Float_t ychar[10][2]={{.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, | |
1014 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, | |
1015 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, | |
1016 | {.5-0.5*kLw,0.}}; | |
1017 | Float_t zchar[11][2]={{0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, | |
1018 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, | |
023ae34b | 1019 | {0.,1.}}; |
1020 | for(i=0;i<13;i++)for(j=0;j<2;j++){ | |
6b0f3880 | 1021 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
1022 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; | |
1023 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; | |
023ae34b | 1024 | } // end for i,j |
1025 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); | |
1026 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); | |
6b0f3880 | 1027 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
023ae34b | 1028 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
1029 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); | |
6b0f3880 | 1030 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
023ae34b | 1031 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
1032 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); | |
6b0f3880 | 1033 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
1034 | Float_t lxy[13][2]={{-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1035 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, | |
1036 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, | |
1037 | {-0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1038 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
1039 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); | |
6b0f3880 | 1040 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
1041 | Float_t lz[8][2]={{0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1042 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, | |
1043 | {0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1044 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
1045 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); | |
6b0f3880 | 1046 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
023ae34b | 1047 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
1048 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); | |
1049 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); | |
1050 | // | |
1051 | node1->cd(); | |
1052 | title = name.Append("axisxy"); | |
1053 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); | |
1054 | title = name.Append("axisz"); | |
1055 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz,0.,0.,0.,yaxis90); | |
1056 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, | |
1057 | lxy[3][0],lxy[3][1],0.0); | |
1058 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, | |
1059 | lxy[3][0],lxy[3][1],0.0,yaxis90); | |
1060 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, | |
1061 | lxy[3][0],lxy[3][1],0.0,zaxis90); | |
1062 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, | |
1063 | lxy[9][0],lxy[9][1],0.0); | |
1064 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, | |
1065 | lxy[9][0],lxy[9][1],0.0,yaxis90); | |
1066 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, | |
1067 | lxy[9][0],lxy[9][1],0.0,zaxis90); | |
1068 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, | |
1069 | 0.0,0.0,lz[3][0]); | |
1070 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, | |
1071 | 0.0,0.0,lz[3][0],yaxis90); | |
1072 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, | |
1073 | 0.0,0.0,lz[3][0],zaxis90); | |
1074 | nodeaxy->Draw(); | |
1075 | nodeaz->Draw(); | |
1076 | textboxX0->Draw(); | |
1077 | textboxX1->Draw(); | |
1078 | textboxX2->Draw(); | |
1079 | textboxY0->Draw(); | |
1080 | textboxY1->Draw(); | |
1081 | textboxY2->Draw(); | |
1082 | textboxZ0->Draw(); | |
1083 | textboxZ1->Draw(); | |
1084 | textboxZ2->Draw(); | |
1085 | } // end if | |
1086 | mother->cd(); | |
1087 | return node1; | |
024a4246 | 1088 | } |
023ae34b | 1089 | //---------------------------------------------------------------------- |
6b0f3880 | 1090 | void AliITSgeomMatrix::MakeFigures() const { |
023ae34b | 1091 | // make figures to help document this class |
1092 | // Inputs: | |
1093 | // none. | |
1094 | // Outputs: | |
1095 | // none. | |
1096 | // Return: | |
1097 | // none. | |
6b0f3880 | 1098 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
1099 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm | |
023ae34b | 1100 | 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}, |
1101 | {0.0,0.0,1.0}}; | |
1102 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. | |
1103 | TView *view = new TView(1); // Create Cartesian coordiante view | |
6b0f3880 | 1104 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
1105 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); | |
023ae34b | 1106 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
1107 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); | |
1108 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); | |
1109 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); | |
024a4246 | 1110 | |
023ae34b | 1111 | det->SetLineColor(0); // black |
1112 | det->SetLineStyle(1); // solid line | |
1113 | det->SetLineWidth(2); // pixel units | |
1114 | det->SetFillColor(1); // black | |
1115 | det->SetFillStyle(4010); // window is 90% transparent | |
1116 | arrow->SetLineColor(det->GetLineColor()); | |
1117 | arrow->SetLineWidth(det->GetLineWidth()); | |
1118 | arrow->SetLineStyle(det->GetLineStyle()); | |
1119 | arrow->SetFillColor(1); // black | |
1120 | arrow->SetFillStyle(4100); // window is 100% opaque | |
6b0f3880 | 1121 | arrow->DefineSection(0,0.0,0.0,kRmax); |
1122 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); | |
1123 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); | |
023ae34b | 1124 | // |
1125 | TNode *node0 = new TNode("NODE0","NODE0",mother); | |
1126 | node0->cd(); | |
1127 | TNode *node1 = new TNode("NODE1","NODE1",det); | |
1128 | node1->cd(); | |
1129 | TNode *nodex = new TNode("NODEx","NODEx",arrow,l[0][0],l[0][1],l[0][2],xarrow); | |
1130 | TNode *nodey = new TNode("NODEy","NODEy",arrow,l[2][0],l[2][1],l[2][2],yarrow); | |
1131 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); | |
1132 | // | |
1133 | axis->Draw(); | |
1134 | nodex->Draw(); | |
1135 | nodey->Draw(); | |
1136 | nodez->Draw(); | |
1137 | ||
1138 | // | |
1139 | node0->cd(); | |
1140 | node0->Draw(); | |
1141 | c->Update(); | |
1142 | c->SaveAs("AliITSgeomMatrix_L1.gif"); | |
1143 | } | |
df5240ea | 1144 | //---------------------------------------------------------------------- |
1145 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ | |
023ae34b | 1146 | // Standard output streaming function. |
1147 | // Inputs: | |
1148 | // ostream &os The output stream to print the class data on | |
1149 | // AliITSgeomMatrix &p This class | |
1150 | // Outputs: | |
1151 | // none. | |
1152 | // Return: | |
1153 | // none. | |
df5240ea | 1154 | |
8253cd9a | 1155 | p.Print(&os); |
df5240ea | 1156 | return os; |
1157 | } | |
1158 | //---------------------------------------------------------------------- | |
1159 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ | |
023ae34b | 1160 | // Standard input streaming function. |
1161 | // Inputs: | |
1162 | // ostream &os The input stream to print the class data on | |
1163 | // AliITSgeomMatrix &p This class | |
1164 | // Outputs: | |
1165 | // none. | |
1166 | // Return: | |
1167 | // none. | |
df5240ea | 1168 | |
8253cd9a | 1169 | r.Read(&is); |
df5240ea | 1170 | return is; |
1171 | } | |
8253cd9a | 1172 | //---------------------------------------------------------------------- |