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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> |
df5240ea | 30 | #include <TMath.h> |
31 | #include <TBuffer.h> | |
023ae34b | 32 | #include <TCanvas.h> |
33 | #include <TView.h> | |
34 | #include <TPolyLine3D.h> | |
023ae34b | 35 | #include <TNode.h> |
36 | #include <TPCON.h> | |
37 | #include <TBRIK.h> | |
38 | #include <TXTRU.h> | |
df5240ea | 39 | |
40 | #include "AliITSgeomMatrix.h" | |
41 | ||
42 | ClassImp(AliITSgeomMatrix) | |
43 | //---------------------------------------------------------------------- | |
023ae34b | 44 | AliITSgeomMatrix::AliITSgeomMatrix(): |
45 | TObject(), | |
46 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) | |
47 | fid(), // layer, ladder, detector numbers. | |
48 | frot(), //! vector of rotations about x,y,z [radians]. | |
49 | ftran(), // Translation vector of module x,y,z. | |
50 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
51 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
52 | fm(), // Rotation matrix based on frot. | |
53 | fPath(){ // Path in geometry to this module | |
54 | // The Default constructor for the AliITSgeomMatrix class. By Default | |
55 | // the angles of rotations are set to zero, meaning that the rotation | |
56 | // matrix is the unit matrix. The translation vector is also set to | |
57 | // zero as are the module id number. The detector type is set to -1 | |
58 | // (an undefined value). The full rotation matrix is kept so that | |
59 | // the evaluation of a coordinate transformation can be done | |
60 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
61 | // systems are the ALICE global coordinate system and the detector | |
62 | // local coordinate system. In general this structure is not limited | |
63 | // to just those two coordinate systems. | |
64 | //Begin_Html | |
65 | /* | |
66 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
67 | */ | |
68 | //End_Html | |
69 | // Inputs: | |
70 | // none. | |
71 | // Outputs: | |
72 | // none. | |
73 | // Return: | |
74 | // A default constructes AliITSgeomMatrix class. | |
df5240ea | 75 | Int_t i,j; |
76 | ||
77 | fDetectorIndex = -1; // a value never defined. | |
78 | for(i=0;i<3;i++){ | |
79 | fid[i] = 0; | |
80 | frot[i] = ftran[i] = 0.0; | |
81 | for(j=0;j<3;j++) fm[i][j] = 0.0; | |
d8cc8493 | 82 | fCylR = fCylPhi = 0.0; |
df5240ea | 83 | }// end for i |
84 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; | |
85 | } | |
e56160b8 | 86 | |
df5240ea | 87 | //---------------------------------------------------------------------- |
e56160b8 | 88 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
89 | TObject(source), | |
90 | fDetectorIndex(source.fDetectorIndex), | |
91 | fCylR(source.fCylR), | |
92 | fCylPhi(source.fCylPhi), | |
93 | fPath(source.fPath){ | |
023ae34b | 94 | // The standard Copy constructor. This make a full / proper copy of |
95 | // this class. | |
96 | // Inputs: | |
97 | // AliITSgeomMatrix &source The source of this copy | |
98 | // Outputs: | |
99 | // none. | |
100 | // Return: | |
101 | // A copy constructes AliITSgeomMatrix class. | |
df5240ea | 102 | Int_t i,j; |
df5240ea | 103 | for(i=0;i<3;i++){ |
e56160b8 | 104 | this->fid[i] = source.fid[i]; |
105 | this->frot[i] = source.frot[i]; | |
106 | this->ftran[i] = source.ftran[i]; | |
107 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
df5240ea | 108 | }// end for i |
109 | } | |
110 | //---------------------------------------------------------------------- | |
e56160b8 | 111 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
023ae34b | 112 | // The standard = operator. This make a full / proper copy of |
113 | // this class. | |
114 | // The standard Copy constructor. This make a full / proper copy of | |
115 | // this class. | |
116 | // Inputs: | |
117 | // AliITSgeomMatrix &source The source of this copy | |
118 | // Outputs: | |
119 | // none. | |
120 | // Return: | |
121 | // A copy of the source AliITSgeomMatrix class. | |
e56160b8 | 122 | if(this == &source)return *this; |
123 | Int_t i,j; | |
df5240ea | 124 | |
e56160b8 | 125 | this->fDetectorIndex = source.fDetectorIndex; |
126 | this->fCylR = source.fCylR; | |
127 | this->fCylPhi = source.fCylPhi; | |
128 | for(i=0;i<3;i++){ | |
129 | this->fid[i] = source.fid[i]; | |
130 | this->frot[i] = source.frot[i]; | |
131 | this->ftran[i] = source.ftran[i]; | |
132 | ||
133 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; | |
134 | } | |
135 | this->fPath = source.fPath; | |
136 | return *this; | |
df5240ea | 137 | } |
e56160b8 | 138 | |
df5240ea | 139 | //---------------------------------------------------------------------- |
6ba216a4 | 140 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
023ae34b | 141 | const Double_t rot[3],const Double_t tran[3]): |
142 | TObject(), | |
4bfbde86 | 143 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 144 | fid(), // layer, ladder, detector numbers. |
145 | frot(), //! vector of rotations about x,y,z [radians]. | |
146 | ftran(), // Translation vector of module x,y,z. | |
147 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
148 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
149 | fm(), // Rotation matrix based on frot. | |
150 | fPath(){ // Path in geometry to this moduel | |
151 | // This is a constructor for the AliITSgeomMatrix class. The matrix is | |
152 | // defined by 3 standard rotation angles [radians], and the translation | |
153 | // vector tran [cm]. In addition the layer, ladder, and detector number | |
154 | // for this particular module and the type of module must be given. | |
155 | // The full rotation matrix is kept so that the evaluation | |
156 | // of a coordinate transformation can be done quickly and with a minimum | |
157 | // of CPU overhead. The basic coordinate systems are the ALICE global | |
158 | // coordinate system and the detector local coordinate system. In general | |
159 | // this structure is not limited to just those two coordinate systems. | |
160 | //Begin_Html | |
161 | /* | |
162 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
163 | */ | |
164 | //End_Html | |
165 | // Inputs: | |
166 | // Int_t idt The detector index value | |
167 | // Int_t id[3] The layer, ladder, and detector numbers | |
168 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] | |
169 | // Double_t tran[3] The 3 Cartician translation distnaces | |
170 | // Outputs: | |
171 | // none. | |
172 | // Return: | |
173 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 174 | Int_t i; |
df5240ea | 175 | |
d8cc8493 | 176 | for(i=0;i<3;i++){ |
177 | fid[i] = id[i]; | |
178 | frot[i] = rot[i]; | |
179 | ftran[i] = tran[i]; | |
180 | }// end for i | |
181 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
182 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
183 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
184 | this->MatrixFromAngle(); | |
df5240ea | 185 | } |
186 | //---------------------------------------------------------------------- | |
6ba216a4 | 187 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
d962cab4 | 188 | Double_t matrix[3][3], |
023ae34b | 189 | const Double_t tran[3]): |
190 | TObject(), | |
4bfbde86 | 191 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 192 | fid(), // layer, ladder, detector numbers. |
193 | frot(), //! vector of rotations about x,y,z [radians]. | |
194 | ftran(), // Translation vector of module x,y,z. | |
195 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
196 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
197 | fm(), // Rotation matrix based on frot. | |
198 | fPath(){ // Path in geometry to this module | |
199 | // This is a constructor for the AliITSgeomMatrix class. The | |
200 | // rotation matrix is given as one of the inputs, and the | |
201 | // translation vector tran [cm]. In addition the layer, ladder, | |
202 | // and detector number for this particular module and the type of | |
203 | // module must be given. The full rotation matrix is kept so that | |
204 | // the evaluation of a coordinate transformation can be done quickly | |
205 | // and with a minimum of CPU overhead. The basic coordinate systems | |
206 | // are the ALICE global coordinate system and the detector local | |
207 | // coordinate system. In general this structure is not limited to just | |
208 | // those two coordinate systems. | |
209 | //Begin_Html | |
210 | /* | |
211 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
212 | */ | |
213 | //End_Html | |
214 | // Inputs: | |
215 | // Int_t idt The detector index value | |
216 | // Int_t id[3] The layer, ladder, and detector numbers | |
217 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix | |
218 | // Double_t tran[3] The 3 Cartician translation distnaces | |
219 | // Outputs: | |
220 | // none. | |
221 | // Return: | |
222 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 223 | Int_t i,j; |
df5240ea | 224 | |
d8cc8493 | 225 | for(i=0;i<3;i++){ |
226 | fid[i] = id[i]; | |
227 | ftran[i] = tran[i]; | |
228 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; | |
229 | }// end for i | |
230 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
231 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
232 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
233 | this->AngleFromMatrix(); | |
df5240ea | 234 | } |
235 | //---------------------------------------------------------------------- | |
5cf690c1 | 236 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
023ae34b | 237 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
238 | // the array ang which must be at least [6] long. | |
239 | // Inputs: | |
240 | // none. | |
241 | // Outputs: | |
242 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
243 | // Return: | |
244 | // noting | |
df5240ea | 245 | Double_t si,c=180./TMath::Pi(); |
246 | ||
247 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); | |
248 | if(TMath::Cos(ang[1])!=0.0) si = fm[0][0]/TMath::Cos(ang[1]); | |
249 | else si = fm[0][1]/TMath::Sin(ang[1]); | |
250 | ang[0] = TMath::ATan2(si,fm[0][2]); | |
251 | ||
252 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); | |
253 | if(TMath::Cos(ang[3])!=0.0) si = fm[1][0]/TMath::Cos(ang[3]); | |
254 | else si = fm[1][1]/TMath::Sin(ang[3]); | |
3f616de1 | 255 | ang[2] = TMath::ATan2(si,fm[1][2]); |
df5240ea | 256 | |
3f616de1 | 257 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
258 | if(TMath::Cos(ang[5])!=0.0) si = fm[2][0]/TMath::Cos(ang[5]); | |
259 | else si = fm[2][1]/TMath::Sin(ang[5]); | |
260 | ang[4] = TMath::ATan2(si,fm[2][2]); | |
df5240ea | 261 | |
262 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} | |
263 | } | |
264 | //---------------------------------------------------------------------- | |
265 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ | |
023ae34b | 266 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
267 | // set the rotations matrix and 3 standard rotation angles [radians]. | |
268 | // These angles and rotation matrix are overwrite the existing values in | |
269 | // this class. | |
270 | // Inputs: | |
271 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
272 | // Outputs: | |
273 | // none. | |
274 | // Return: | |
275 | // noting | |
df5240ea | 276 | Int_t i,j; |
277 | Double_t si,lr[9],c=TMath::Pi()/180.; | |
278 | ||
279 | si = TMath::Sin(c*ang[0]); | |
280 | if(ang[0]== 90.0) si = +1.0; | |
281 | if(ang[0]==270.0) si = -1.0; | |
282 | if(ang[0]== 0.0||ang[0]==180.) si = 0.0; | |
283 | lr[0] = si * TMath::Cos(c*ang[1]); | |
284 | lr[1] = si * TMath::Sin(c*ang[1]); | |
285 | lr[2] = TMath::Cos(c*ang[0]); | |
286 | if(ang[0]== 90.0||ang[0]==270.) lr[2] = 0.0; | |
287 | if(ang[0]== 0.0) lr[2] = +1.0; | |
288 | if(ang[0]==180.0) lr[2] = -1.0; | |
289 | // | |
290 | si = TMath::Sin(c*ang[2]); | |
291 | if(ang[2]== 90.0) si = +1.0; | |
292 | if(ang[2]==270.0) si = -1.0; | |
293 | if(ang[2]== 0.0||ang[2]==180.) si = 0.0; | |
294 | lr[3] = si * TMath::Cos(c*ang[3]); | |
295 | lr[4] = si * TMath::Sin(c*ang[3]); | |
296 | lr[5] = TMath::Cos(c*ang[2]); | |
297 | if(ang[2]== 90.0||ang[2]==270.) lr[5] = 0.0; | |
298 | if(ang[2]== 0.0) lr[5] = +1.0; | |
299 | if(ang[2]==180.0) lr[5] = -1.0; | |
300 | // | |
301 | si = TMath::Sin(c*ang[4]); | |
302 | if(ang[4]== 90.0) si = +1.0; | |
303 | if(ang[4]==270.0) si = -1.0; | |
304 | if(ang[4]== 0.0||ang[4]==180.) si = 0.0; | |
305 | lr[6] = si * TMath::Cos(c*ang[5]); | |
306 | lr[7] = si * TMath::Sin(c*ang[5]); | |
307 | lr[8] = TMath::Cos(c*ang[4]); | |
308 | if(ang[4]== 90.0||ang[4]==270.0) lr[8] = 0.0; | |
309 | if(ang[4]== 0.0) lr[8] = +1.0; | |
310 | if(ang[4]==180.0) lr[8] = -1.0; | |
311 | // Normalize these elements and fill matrix fm. | |
312 | for(i=0;i<3;i++){// reuse si. | |
313 | si = 0.0; | |
314 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; | |
315 | si = TMath::Sqrt(1./si); | |
316 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; | |
317 | } // end for i | |
318 | this->AngleFromMatrix(); | |
319 | } | |
320 | //---------------------------------------------------------------------- | |
321 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, | |
6ba216a4 | 322 | Int_t idt,const Int_t id[3], |
4bfbde86 | 323 | const Double_t tran[3]): |
324 | TObject(), | |
325 | fDetectorIndex(idt), | |
326 | fCylR(0.), | |
327 | fCylPhi(0.), | |
328 | fPath(){ | |
023ae34b | 329 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
330 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and | |
331 | // the translation vector tran [cm]. In addition the layer, ladder, | |
332 | // and detector number for this particular module and the type of | |
333 | // module must be given. The full rotation matrix is kept so that | |
334 | // the evaluation of a coordinate transformation can be done | |
335 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
336 | // systems are the ALICE global coordinate system and the detector | |
337 | // local coordinate system. In general this structure is not limited | |
338 | // to just those two coordinate systems. | |
339 | //Begin_Html | |
340 | /* | |
341 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
342 | */ | |
343 | //End_Html | |
344 | // Inputs: | |
345 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] | |
346 | // Int_t idt The module Id number | |
347 | // Int_t id[3] The layer, ladder and detector number | |
348 | // Double_t tran[3] The translation vector | |
df5240ea | 349 | Int_t i; |
350 | ||
df5240ea | 351 | for(i=0;i<3;i++){ |
352 | fid[i] = id[i]; | |
353 | ftran[i] = tran[i]; | |
354 | }// end for i | |
d8cc8493 | 355 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
356 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
357 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 358 | this->MatrixFromSixAngles(rotd); |
359 | } | |
360 | //---------------------------------------------------------------------- | |
361 | void AliITSgeomMatrix::AngleFromMatrix(){ | |
023ae34b | 362 | // Computes the angles from the rotation matrix up to a phase of |
e16acbad | 363 | // 180 degrees. The matrix used in AliITSgeomMatrix::MatrixFromAngle() |
364 | // and its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
365 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
366 | // 1 0 0 Cy 0 -Sy Cz -Sz 0 | |
367 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz= Sz Cz 0 | |
368 | // 0 Sx Cx Sy 0 Cy 0 0 1 | |
369 | // The choice of the since of S, comes from the choice between | |
370 | // the rotation of the object or the coordinate system (view). I think | |
371 | // that this choice is the first, the rotation of the object. | |
023ae34b | 372 | // Inputs: |
373 | // none | |
374 | // Outputs: | |
375 | // none | |
376 | // Return: | |
377 | // none | |
df5240ea | 378 | Double_t rx,ry,rz; |
379 | // get angles from matrix up to a phase of 180 degrees. | |
380 | ||
381 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); | |
382 | ry = TMath::ASin(fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); | |
e16acbad | 383 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
df5240ea | 384 | frot[0] = rx; |
385 | frot[1] = ry; | |
386 | frot[2] = rz; | |
387 | return; | |
388 | } | |
389 | //---------------------------------------------------------------------- | |
390 | void AliITSgeomMatrix::MatrixFromAngle(){ | |
023ae34b | 391 | // Computes the Rotation matrix from the angles [radians] kept in this |
e16acbad | 392 | // class. The matrix used in AliITSgeomMatrix::MatrixFromAngle() and |
393 | // its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in | |
394 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where | |
395 | // 1 0 0 Cy 0 -Sy Cz -Sz 0 | |
396 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz= Sz Cz 0 | |
397 | // 0 Sx Cx Sy 0 Cy 0 0 1 | |
398 | // The choice of the since of S, comes from the choice between | |
399 | // the rotation of the object or the coordinate system (view). I think | |
400 | // that this choice is the first, the rotation of the object. | |
023ae34b | 401 | // Inputs: |
402 | // none | |
403 | // Outputs: | |
404 | // none | |
405 | // Return: | |
406 | // none | |
df5240ea | 407 | Double_t sx,sy,sz,cx,cy,cz; |
408 | ||
409 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); | |
410 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); | |
411 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); | |
412 | fm[0][0] = cz*cy; // fr[0] | |
413 | fm[0][1] = -cz*sy*sx - sz*cx; // fr[1] | |
414 | fm[0][2] = -cz*sy*cx + sz*sx; // fr[2] | |
415 | fm[1][0] = sz*cy; // fr[3] | |
416 | fm[1][1] = -sz*sy*sx + cz*cx; // fr[4] | |
417 | fm[1][2] = -sz*sy*cx - cz*sx; // fr[5] | |
418 | fm[2][0] = sy; // fr[6] | |
419 | fm[2][1] = cy*sx; // fr[7] | |
420 | fm[2][2] = cy*cx; // fr[8] | |
421 | ||
422 | } | |
423 | //---------------------------------------------------------------------- | |
024a4246 | 424 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
023ae34b | 425 | // Returns the local coordinates given the global coordinates [cm]. |
426 | // Inputs: | |
427 | // Double_t g[3] The position represented in the ALICE | |
428 | // global coordinate system | |
429 | // Outputs: | |
430 | // Double_t l[3] The poistion represented in the local | |
431 | // detector coordiante system | |
432 | // Return: | |
433 | // none | |
df5240ea | 434 | Int_t i,j; |
435 | Double_t g[3]; | |
436 | ||
437 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; | |
438 | for(i=0;i<3;i++){ | |
439 | l[i] = 0.0; | |
440 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
441 | // g = R l + translation | |
442 | } // end for i | |
443 | return; | |
444 | } | |
445 | //---------------------------------------------------------------------- | |
024a4246 | 446 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 447 | // Returns the global coordinates given the local coordinates [cm]. |
448 | // Inputs: | |
449 | // Double_t l[3] The poistion represented in the detector | |
450 | // local coordinate system | |
451 | // Outputs: | |
452 | // Double_t g[3] The poistion represented in the ALICE | |
453 | // Global coordinate system | |
454 | // Return: | |
455 | // none. | |
df5240ea | 456 | Int_t i,j; |
457 | ||
458 | for(i=0;i<3;i++){ | |
459 | g[i] = 0.0; | |
460 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
461 | g[i] += ftran[i]; | |
462 | // g = R^t l + translation | |
463 | } // end for i | |
464 | return; | |
465 | } | |
466 | //---------------------------------------------------------------------- | |
024a4246 | 467 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
023ae34b | 468 | // Returns the local coordinates of the momentum given the global |
469 | // coordinates of the momentum. It transforms just like GtoLPosition | |
470 | // except that the translation vector is zero. | |
471 | // Inputs: | |
472 | // Double_t g[3] The momentum represented in the ALICE global | |
473 | // coordinate system | |
474 | // Outputs: | |
475 | // Double_t l[3] the momentum represented in the detector | |
476 | // local coordinate system | |
477 | // Return: | |
478 | // none. | |
df5240ea | 479 | Int_t i,j; |
480 | ||
481 | for(i=0;i<3;i++){ | |
482 | l[i] = 0.0; | |
483 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
484 | // g = R l | |
485 | } // end for i | |
486 | return; | |
487 | } | |
488 | //---------------------------------------------------------------------- | |
024a4246 | 489 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 490 | // Returns the Global coordinates of the momentum given the local |
491 | // coordinates of the momentum. It transforms just like LtoGPosition | |
492 | // except that the translation vector is zero. | |
493 | // Inputs: | |
494 | // Double_t l[3] the momentum represented in the detector | |
495 | // local coordinate system | |
496 | // Outputs: | |
497 | // Double_t g[3] The momentum represented in the ALICE global | |
498 | // coordinate system | |
499 | // Return: | |
500 | // none. | |
df5240ea | 501 | Int_t i,j; |
502 | ||
503 | for(i=0;i<3;i++){ | |
504 | g[i] = 0.0; | |
505 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
506 | // g = R^t l | |
507 | } // end for i | |
508 | return; | |
509 | } | |
510 | //---------------------------------------------------------------------- | |
023ae34b | 511 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
512 | Double_t l[3][3]) const { | |
513 | // Given an Uncertainty matrix in Global coordinates it is | |
514 | // rotated so that its representation in local coordinates can | |
515 | // be returned. There is no effect due to the translation vector | |
516 | // or its uncertainty. | |
517 | // Inputs: | |
518 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
519 | // coordinate system | |
520 | // Outputs: | |
521 | // Double_t l[3][3] the error matrix represented in the detector | |
522 | // local coordinate system | |
523 | // Return: | |
524 | // none. | |
df5240ea | 525 | Int_t i,j,k,m; |
526 | ||
ecb0c8bc | 527 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
528 | l[i][m] = 0.0; | |
529 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
530 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; | |
531 | } // end for i,m | |
532 | // g = R^t l R | |
df5240ea | 533 | return; |
534 | } | |
535 | //---------------------------------------------------------------------- | |
023ae34b | 536 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
024a4246 | 537 | Double_t g[3][3]) const { |
023ae34b | 538 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
539 | // its representation in global coordinates can be returned. There is no | |
540 | // effect due to the translation vector or its uncertainty. | |
541 | // Inputs: | |
542 | // Double_t l[3][3] the error matrix represented in the detector | |
543 | // local coordinate system | |
544 | // Outputs: | |
545 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
546 | // coordinate system | |
547 | // Return: | |
548 | // none. | |
df5240ea | 549 | Int_t i,j,k,m; |
550 | ||
ecb0c8bc | 551 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
552 | g[i][m] = 0.0; | |
553 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
554 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; | |
555 | } // end for i,m | |
556 | // g = R l R^t | |
df5240ea | 557 | return; |
558 | } | |
559 | //---------------------------------------------------------------------- | |
023ae34b | 560 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
561 | Double_t l[3]) const { | |
562 | // A slightly different coordinate system is used when tracking. | |
563 | // This coordinate system is only relevant when the geometry represents | |
564 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
565 | // alone but X -> -Y and Y -> X such that X always points out of the | |
566 | // ITS Cylinder for every layer including layer 1 (where the detector | |
567 | // are mounted upside down). | |
568 | //Begin_Html | |
569 | /* | |
570 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
571 | */ | |
572 | //End_Html | |
573 | // Inputs: | |
574 | // Double_t g[3] The position represented in the ALICE | |
575 | // global coordinate system | |
576 | // Outputs: | |
577 | // Double_t l[3] The poistion represented in the local | |
578 | // detector coordiante system | |
579 | // Return: | |
580 | // none | |
df5240ea | 581 | Double_t l0[3]; |
582 | ||
023ae34b | 583 | this->GtoLPosition(g,l0); |
df5240ea | 584 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
585 | // with respect to the others. | |
586 | l[0] = +l0[1]; | |
587 | l[1] = -l0[0]; | |
588 | l[2] = +l0[2]; | |
589 | }else{ | |
590 | l[0] = -l0[1]; | |
591 | l[1] = +l0[0]; | |
592 | l[2] = +l0[2]; | |
593 | } // end if | |
594 | return; | |
595 | } | |
596 | //---------------------------------------------------------------------- | |
597 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], | |
023ae34b | 598 | Double_t g[3]) const { |
599 | // A slightly different coordinate system is used when tracking. | |
600 | // This coordinate system is only relevant when the geometry represents | |
601 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
602 | // alone but X -> -Y and Y -> X such that X always points out of the | |
603 | // ITS Cylinder for every layer including layer 1 (where the detector | |
604 | // are mounted upside down). | |
605 | //Begin_Html | |
606 | /* | |
607 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
608 | */ | |
609 | //End_Html | |
610 | // Inputs: | |
611 | // Double_t l[3] The poistion represented in the detector | |
612 | // local coordinate system | |
613 | // Outputs: | |
614 | // Double_t g[3] The poistion represented in the ALICE | |
615 | // Global coordinate system | |
616 | // Return: | |
617 | // none. | |
df5240ea | 618 | Double_t l0[3]; |
619 | ||
620 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
621 | // with respect to the others. | |
622 | l0[0] = -l[1]; | |
623 | l0[1] = +l[0]; | |
624 | l0[2] = +l[2]; | |
625 | }else{ | |
626 | l0[0] = +l[1]; | |
627 | l0[1] = -l[0]; | |
628 | l0[2] = +l[2]; | |
629 | } // end if | |
630 | this->LtoGPosition(l0,g); | |
631 | return; | |
632 | } | |
633 | //---------------------------------------------------------------------- | |
634 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], | |
023ae34b | 635 | Double_t l[3]) const { |
636 | // A slightly different coordinate system is used when tracking. | |
637 | // This coordinate system is only relevant when the geometry represents | |
638 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
639 | // alone but X -> -Y and Y -> X such that X always points out of the | |
640 | // ITS Cylinder for every layer including layer 1 (where the detector | |
641 | // are mounted upside down). | |
642 | //Begin_Html | |
643 | /* | |
644 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
645 | */ | |
646 | //End_Html | |
647 | // Inputs: | |
648 | // Double_t g[3] The momentum represented in the ALICE global | |
649 | // coordinate system | |
650 | // Outputs: | |
651 | // Double_t l[3] the momentum represented in the detector | |
652 | // local coordinate system | |
653 | // Return: | |
654 | // none. | |
df5240ea | 655 | Double_t l0[3]; |
656 | ||
657 | this->GtoLMomentum(g,l0); | |
658 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
659 | // with respect to the others. | |
660 | l[0] = +l0[1]; | |
661 | l[1] = -l0[0]; | |
662 | l[2] = +l0[2]; | |
663 | }else{ | |
664 | l[0] = -l0[1]; | |
665 | l[1] = +l0[0]; | |
666 | l[2] = +l0[2]; | |
667 | } // end if | |
668 | return; | |
df5240ea | 669 | } |
670 | //---------------------------------------------------------------------- | |
671 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], | |
023ae34b | 672 | Double_t g[3]) const { |
673 | // A slightly different coordinate system is used when tracking. | |
674 | // This coordinate system is only relevant when the geometry represents | |
675 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
676 | // alone but X -> -Y and Y -> X such that X always points out of the | |
677 | // ITS Cylinder for every layer including layer 1 (where the detector | |
678 | // are mounted upside down). | |
679 | //Begin_Html | |
680 | /* | |
681 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
682 | */ | |
683 | //End_Html | |
684 | // Inputs: | |
685 | // Double_t l[3] the momentum represented in the detector | |
686 | // local coordinate system | |
687 | // Outputs: | |
688 | // Double_t g[3] The momentum represented in the ALICE global | |
689 | // coordinate system | |
690 | // Return: | |
691 | // none. | |
df5240ea | 692 | Double_t l0[3]; |
693 | ||
694 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
695 | // with respect to the others. | |
696 | l0[0] = -l[1]; | |
697 | l0[1] = +l[0]; | |
698 | l0[2] = +l[2]; | |
699 | }else{ | |
700 | l0[0] = +l[1]; | |
701 | l0[1] = -l[0]; | |
702 | l0[2] = +l[2]; | |
703 | } // end if | |
704 | this->LtoGMomentum(l0,g); | |
705 | return; | |
706 | } | |
707 | //---------------------------------------------------------------------- | |
023ae34b | 708 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
709 | Double_t l[3][3]) const { | |
710 | // A slightly different coordinate system is used when tracking. | |
711 | // This coordinate system is only relevant when the geometry represents | |
712 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
713 | // alone but X -> -Y and Y -> X such that X always points out of the | |
714 | // ITS Cylinder for every layer including layer 1 (where the detector | |
715 | // are mounted upside down). | |
716 | //Begin_Html | |
717 | /* | |
718 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
719 | */ | |
720 | //End_Html | |
721 | // Inputs: | |
722 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
723 | // coordinate system | |
724 | // Outputs: | |
725 | // Double_t l[3][3] the error matrix represented in the detector | |
726 | // local coordinate system | |
727 | // Return: | |
df5240ea | 728 | Int_t i,j,k,m; |
85f1e34a | 729 | Double_t rt[3][3]; |
730 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
731 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 732 | |
733 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 734 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 735 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 736 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 737 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
738 | l[i][m] = 0.0; | |
739 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
740 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; | |
741 | } // end for i,m | |
742 | // g = R^t l R | |
df5240ea | 743 | return; |
744 | } | |
745 | //---------------------------------------------------------------------- | |
023ae34b | 746 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
747 | Double_t g[3][3]) const { | |
748 | // A slightly different coordinate system is used when tracking. | |
749 | // This coordinate system is only relevant when the geometry represents | |
750 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
751 | // alone but X -> -Y and Y -> X such that X always points out of the | |
752 | // ITS Cylinder for every layer including layer 1 (where the detector | |
753 | // are mounted upside down). | |
754 | //Begin_Html | |
755 | /* | |
756 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
757 | */ | |
758 | //End_Html | |
759 | // Inputs: | |
760 | // Double_t l[3][3] the error matrix represented in the detector | |
761 | // local coordinate system | |
762 | // Outputs: | |
763 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
764 | // coordinate system | |
765 | // Return: | |
766 | // none. | |
df5240ea | 767 | Int_t i,j,k,m; |
85f1e34a | 768 | Double_t rt[3][3]; |
769 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
770 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 771 | |
772 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 773 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 774 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 775 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 776 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
777 | g[i][m] = 0.0; | |
778 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
779 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; | |
780 | } // end for i,m | |
781 | // g = R l R^t | |
df5240ea | 782 | return; |
783 | } | |
784 | //---------------------------------------------------------------------- | |
024a4246 | 785 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
023ae34b | 786 | // Standard output format for this class but it includes variable |
787 | // names and formatting that makes it easer to read. | |
788 | // Inputs: | |
789 | // ostream *os The output stream to print the title on | |
790 | // Outputs: | |
791 | // none. | |
792 | // Return: | |
793 | // none. | |
df5240ea | 794 | Int_t i,j; |
795 | ||
796 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; | |
797 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
798 | *os << "} frot[3]={"; | |
799 | for(i=0;i<3;i++) *os << frot[i] << " "; | |
800 | *os << "} ftran[3]={"; | |
801 | for(i=0;i<3;i++) *os << ftran[i] << " "; | |
802 | *os << "} fm[3][3]={"; | |
803 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} | |
804 | *os << "}" << endl; | |
805 | return; | |
806 | } | |
807 | //---------------------------------------------------------------------- | |
024a4246 | 808 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
023ae34b | 809 | // output format used by Print. |
810 | // Inputs: | |
811 | // ostream *os The output stream to print the comments on | |
812 | // Outputs: | |
813 | // none. | |
814 | // Return: | |
815 | // none. | |
8253cd9a | 816 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
817 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; | |
818 | *os << "fm[2][0] fm[2][1] fm[2][2] "; | |
819 | return; | |
820 | } | |
821 | //---------------------------------------------------------------------- | |
5cf690c1 | 822 | void AliITSgeomMatrix::Print(ostream *os)const{ |
023ae34b | 823 | // Standard output format for this class. |
824 | // Inputs: | |
825 | // ostream *os The output stream to print the class data on | |
826 | // Outputs: | |
827 | // none. | |
828 | // Return: | |
829 | // none. | |
df5240ea | 830 | Int_t i,j; |
431a7819 | 831 | #if defined __GNUC__ |
832 | #if __GNUC__ > 2 | |
833 | ios::fmtflags fmt; | |
834 | #else | |
835 | Int_t fmt; | |
836 | #endif | |
94831058 | 837 | #else |
9f69211c | 838 | #if defined __ICC || defined __ECC || defined __xlC__ |
94831058 | 839 | ios::fmtflags fmt; |
431a7819 | 840 | #else |
31b8cd63 | 841 | Int_t fmt; |
94831058 | 842 | #endif |
431a7819 | 843 | #endif |
df5240ea | 844 | |
8253cd9a | 845 | fmt = os->setf(ios::scientific); // set scientific floating point output |
df5240ea | 846 | *os << fDetectorIndex << " "; |
847 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
8253cd9a | 848 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
849 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; | |
850 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << | |
851 | fm[i][j] << " "; | |
023ae34b | 852 | *os << fPath.Length()<< " "; |
853 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; | |
df5240ea | 854 | *os << endl; |
8253cd9a | 855 | os->flags(fmt); // reset back to old formating. |
df5240ea | 856 | return; |
857 | } | |
858 | //---------------------------------------------------------------------- | |
8253cd9a | 859 | void AliITSgeomMatrix::Read(istream *is){ |
023ae34b | 860 | // Standard input format for this class. |
861 | // Inputs: | |
862 | // istream *is The input stream to read on | |
863 | // Outputs: | |
864 | // none. | |
865 | // Return: | |
866 | // none. | |
df5240ea | 867 | Int_t i,j; |
868 | ||
869 | *is >> fDetectorIndex; | |
870 | for(i=0;i<3;i++) *is >> fid[i]; | |
8253cd9a | 871 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
df5240ea | 872 | for(i=0;i<3;i++) *is >> ftran[i]; |
873 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; | |
5cf690c1 | 874 | while(is->peek()==' ')is->get(); // skip white spaces |
875 | if(isprint(is->peek())){ // old format did not have path. | |
876 | *is >> j; // string length | |
877 | fPath.Resize(j); | |
878 | for(i=0;i<j;i++) {*is >> fPath[i];} | |
879 | } // end if | |
8253cd9a | 880 | AngleFromMatrix(); // compute angles frot[]. |
d8cc8493 | 881 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
882 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
883 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 884 | return; |
885 | } | |
d8cc8493 | 886 | //______________________________________________________________________ |
887 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ | |
888 | // Stream an object of class AliITSgeomMatrix. | |
023ae34b | 889 | // Inputs: |
890 | // TBuffer &R__b The output buffer to stream data on. | |
891 | // Outputs: | |
892 | // none. | |
893 | // Return: | |
894 | // none. | |
d8cc8493 | 895 | |
023ae34b | 896 | if (R__b.IsReading()) { |
897 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); | |
898 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
899 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
900 | this->AngleFromMatrix(); | |
901 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
902 | } else { | |
903 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); | |
904 | } // end if | |
d8cc8493 | 905 | } |
024a4246 | 906 | //______________________________________________________________________ |
907 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ | |
023ae34b | 908 | // Sets the translation vector and computes fCylR and fCylPhi. |
909 | // Inputs: | |
910 | // Double_t trans[3] The translation vector to be used | |
911 | // Outputs: | |
912 | // none. | |
913 | // Return: | |
914 | // none. | |
915 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; | |
916 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
917 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
918 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
919 | } | |
920 | //---------------------------------------------------------------------- | |
6b0f3880 | 921 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
023ae34b | 922 | // This class is used as part of the documentation of this class |
923 | // Inputs: | |
924 | // none. | |
925 | // Outputs: | |
926 | // none. | |
927 | // Return: | |
928 | // A pointer to a new TPolyLine3D object showing the 3 line | |
929 | // segments that make up the this local axis in the global | |
930 | // reference system. | |
931 | Float_t gf[15]; | |
932 | Double_t g[5][3]; | |
933 | 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}, | |
934 | {0.0,0.0,1.0}}; | |
935 | Int_t i; | |
936 | ||
937 | for(i=0;i<5;i++) { | |
938 | LtoGPosition(l[i],g[i]); | |
939 | gf[3*i]=(Float_t)g[i][0]; | |
940 | gf[3*i+1]=(Float_t)g[i][1]; | |
941 | gf[3*i+2]=(Float_t)g[i][2]; | |
942 | } // end for i | |
943 | return new TPolyLine3D(5,gf); | |
944 | } | |
945 | //---------------------------------------------------------------------- | |
6b0f3880 | 946 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
023ae34b | 947 | // This class is used as part of the documentation of this class |
948 | // Inputs: | |
949 | // none. | |
950 | // Outputs: | |
951 | // none. | |
952 | // Return: | |
953 | // A pointer to a new TPolyLine3D object showing the 3 line | |
954 | // segments that make up the this local axis in the global | |
955 | // reference system. | |
956 | Float_t gf[15]; | |
957 | Double_t g[5][3]; | |
958 | 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}, | |
959 | {0.0,0.0,1.0}}; | |
960 | Int_t i; | |
961 | ||
962 | for(i=0;i<5;i++) { | |
963 | LtoGPositionTracking(l[i],g[i]); | |
964 | gf[3*i]=(Float_t)g[i][0]; | |
965 | gf[3*i+1]=(Float_t)g[i][1]; | |
966 | gf[3*i+2]=(Float_t)g[i][2]; | |
967 | } // end for i | |
968 | return new TPolyLine3D(5,gf); | |
969 | } | |
970 | //---------------------------------------------------------------------- | |
971 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, | |
972 | const Char_t *nodeTitle,TNode *mother, | |
6b0f3880 | 973 | TShape *shape,Bool_t axis) const { |
023ae34b | 974 | // Creates a node inside of the node mother out of the shape shape |
975 | // in the position, with respect to mother, indecated by "this". If axis | |
976 | // is ture, it will insert an axis within this node/shape. | |
977 | // Inputs: | |
978 | // Char_t *nodeName This name of this node | |
979 | // Char_t *nodeTitle This node title | |
980 | // TNode *mother The node this node will be inside of/with respect to | |
981 | // TShape *shape The shape of this node | |
982 | // Bool_t axis If ture, a set of x,y,z axis will be included | |
983 | // Outputs: | |
984 | // none. | |
985 | // Return: | |
986 | // A pointer to "this" node. | |
987 | Double_t trans[3],matrix[3][3],*matr; | |
988 | TRotMatrix *rot = new TRotMatrix(); | |
989 | TString name,title; | |
990 | ||
991 | matr = &(matrix[0][0]); | |
992 | this->GetTranslation(trans); | |
993 | this->GetMatrix(matrix); | |
994 | rot->SetMatrix(matr); | |
995 | // | |
996 | name = nodeName; | |
997 | title = nodeTitle; | |
998 | // | |
999 | mother->cd(); | |
1000 | TNode *node1 = new TNode(name.Data(),title.Data(),shape,trans[0],trans[1],trans[2],rot); | |
1001 | if(axis){ | |
1002 | Int_t i,j; | |
6b0f3880 | 1003 | const Float_t kScale=0.5,kLw=0.2; |
1004 | Float_t xchar[13][2]={{0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, | |
1005 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, | |
1006 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, | |
1007 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, | |
1008 | {0.5*kLw,1.}}; | |
1009 | Float_t ychar[10][2]={{.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, | |
1010 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, | |
1011 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, | |
1012 | {.5-0.5*kLw,0.}}; | |
1013 | Float_t zchar[11][2]={{0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, | |
1014 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, | |
023ae34b | 1015 | {0.,1.}}; |
1016 | for(i=0;i<13;i++)for(j=0;j<2;j++){ | |
6b0f3880 | 1017 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
1018 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; | |
1019 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; | |
023ae34b | 1020 | } // end for i,j |
1021 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); | |
1022 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); | |
6b0f3880 | 1023 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
023ae34b | 1024 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
1025 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); | |
6b0f3880 | 1026 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
023ae34b | 1027 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
1028 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); | |
6b0f3880 | 1029 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
1030 | Float_t lxy[13][2]={{-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1031 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, | |
1032 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, | |
1033 | {-0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1034 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
1035 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); | |
6b0f3880 | 1036 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
1037 | Float_t lz[8][2]={{0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1038 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, | |
1039 | {0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1040 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
1041 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); | |
6b0f3880 | 1042 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
023ae34b | 1043 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
1044 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); | |
1045 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); | |
1046 | // | |
1047 | node1->cd(); | |
1048 | title = name.Append("axisxy"); | |
1049 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); | |
1050 | title = name.Append("axisz"); | |
1051 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz,0.,0.,0.,yaxis90); | |
1052 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, | |
1053 | lxy[3][0],lxy[3][1],0.0); | |
1054 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, | |
1055 | lxy[3][0],lxy[3][1],0.0,yaxis90); | |
1056 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, | |
1057 | lxy[3][0],lxy[3][1],0.0,zaxis90); | |
1058 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, | |
1059 | lxy[9][0],lxy[9][1],0.0); | |
1060 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, | |
1061 | lxy[9][0],lxy[9][1],0.0,yaxis90); | |
1062 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, | |
1063 | lxy[9][0],lxy[9][1],0.0,zaxis90); | |
1064 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, | |
1065 | 0.0,0.0,lz[3][0]); | |
1066 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, | |
1067 | 0.0,0.0,lz[3][0],yaxis90); | |
1068 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, | |
1069 | 0.0,0.0,lz[3][0],zaxis90); | |
1070 | nodeaxy->Draw(); | |
1071 | nodeaz->Draw(); | |
1072 | textboxX0->Draw(); | |
1073 | textboxX1->Draw(); | |
1074 | textboxX2->Draw(); | |
1075 | textboxY0->Draw(); | |
1076 | textboxY1->Draw(); | |
1077 | textboxY2->Draw(); | |
1078 | textboxZ0->Draw(); | |
1079 | textboxZ1->Draw(); | |
1080 | textboxZ2->Draw(); | |
1081 | } // end if | |
1082 | mother->cd(); | |
1083 | return node1; | |
024a4246 | 1084 | } |
023ae34b | 1085 | //---------------------------------------------------------------------- |
6b0f3880 | 1086 | void AliITSgeomMatrix::MakeFigures() const { |
023ae34b | 1087 | // make figures to help document this class |
1088 | // Inputs: | |
1089 | // none. | |
1090 | // Outputs: | |
1091 | // none. | |
1092 | // Return: | |
1093 | // none. | |
6b0f3880 | 1094 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
1095 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm | |
023ae34b | 1096 | 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}, |
1097 | {0.0,0.0,1.0}}; | |
1098 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. | |
1099 | TView *view = new TView(1); // Create Cartesian coordiante view | |
6b0f3880 | 1100 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
1101 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); | |
023ae34b | 1102 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
1103 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); | |
1104 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); | |
1105 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); | |
024a4246 | 1106 | |
023ae34b | 1107 | det->SetLineColor(0); // black |
1108 | det->SetLineStyle(1); // solid line | |
1109 | det->SetLineWidth(2); // pixel units | |
1110 | det->SetFillColor(1); // black | |
1111 | det->SetFillStyle(4010); // window is 90% transparent | |
1112 | arrow->SetLineColor(det->GetLineColor()); | |
1113 | arrow->SetLineWidth(det->GetLineWidth()); | |
1114 | arrow->SetLineStyle(det->GetLineStyle()); | |
1115 | arrow->SetFillColor(1); // black | |
1116 | arrow->SetFillStyle(4100); // window is 100% opaque | |
6b0f3880 | 1117 | arrow->DefineSection(0,0.0,0.0,kRmax); |
1118 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); | |
1119 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); | |
023ae34b | 1120 | // |
1121 | TNode *node0 = new TNode("NODE0","NODE0",mother); | |
1122 | node0->cd(); | |
1123 | TNode *node1 = new TNode("NODE1","NODE1",det); | |
1124 | node1->cd(); | |
1125 | TNode *nodex = new TNode("NODEx","NODEx",arrow,l[0][0],l[0][1],l[0][2],xarrow); | |
1126 | TNode *nodey = new TNode("NODEy","NODEy",arrow,l[2][0],l[2][1],l[2][2],yarrow); | |
1127 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); | |
1128 | // | |
1129 | axis->Draw(); | |
1130 | nodex->Draw(); | |
1131 | nodey->Draw(); | |
1132 | nodez->Draw(); | |
1133 | ||
1134 | // | |
1135 | node0->cd(); | |
1136 | node0->Draw(); | |
1137 | c->Update(); | |
1138 | c->SaveAs("AliITSgeomMatrix_L1.gif"); | |
1139 | } | |
df5240ea | 1140 | //---------------------------------------------------------------------- |
1141 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ | |
023ae34b | 1142 | // Standard output streaming function. |
1143 | // Inputs: | |
1144 | // ostream &os The output stream to print the class data on | |
1145 | // AliITSgeomMatrix &p This class | |
1146 | // Outputs: | |
1147 | // none. | |
1148 | // Return: | |
1149 | // none. | |
df5240ea | 1150 | |
8253cd9a | 1151 | p.Print(&os); |
df5240ea | 1152 | return os; |
1153 | } | |
1154 | //---------------------------------------------------------------------- | |
1155 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ | |
023ae34b | 1156 | // Standard input streaming function. |
1157 | // Inputs: | |
1158 | // ostream &os The input stream to print the class data on | |
1159 | // AliITSgeomMatrix &p This class | |
1160 | // Outputs: | |
1161 | // none. | |
1162 | // Return: | |
1163 | // none. | |
df5240ea | 1164 | |
8253cd9a | 1165 | r.Read(&is); |
df5240ea | 1166 | return is; |
1167 | } | |
8253cd9a | 1168 | //---------------------------------------------------------------------- |