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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 | } | |
4bfbde86 | 86 | /* |
df5240ea | 87 | //---------------------------------------------------------------------- |
ac74f489 | 88 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &sourse) : |
89 | TObject(sourse){ | |
023ae34b | 90 | // The standard Copy constructor. This make a full / proper copy of |
91 | // this class. | |
92 | // Inputs: | |
93 | // AliITSgeomMatrix &source The source of this copy | |
94 | // Outputs: | |
95 | // none. | |
96 | // Return: | |
97 | // A copy constructes AliITSgeomMatrix class. | |
df5240ea | 98 | Int_t i,j; |
99 | ||
100 | this->fDetectorIndex = sourse.fDetectorIndex; | |
101 | for(i=0;i<3;i++){ | |
102 | this->fid[i] = sourse.fid[i]; | |
103 | this->frot[i] = sourse.frot[i]; | |
104 | this->ftran[i] = sourse.ftran[i]; | |
d8cc8493 | 105 | this->fCylR = sourse.fCylR; |
106 | this->fCylPhi = sourse.fCylPhi; | |
df5240ea | 107 | for(j=0;j<3;j++) this->fm[i][j] = sourse.fm[i][j]; |
108 | }// end for i | |
023ae34b | 109 | this->fPath = sourse.fPath; |
df5240ea | 110 | } |
111 | //---------------------------------------------------------------------- | |
112 | void AliITSgeomMatrix::operator=(const AliITSgeomMatrix &sourse){ | |
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. | |
df5240ea | 123 | Int_t i,j; |
124 | ||
125 | this->fDetectorIndex = sourse.fDetectorIndex; | |
126 | for(i=0;i<3;i++){ | |
127 | this->fid[i] = sourse.fid[i]; | |
128 | this->frot[i] = sourse.frot[i]; | |
129 | this->ftran[i] = sourse.ftran[i]; | |
d8cc8493 | 130 | this->fCylR = sourse.fCylR; |
131 | this->fCylPhi = sourse.fCylPhi; | |
df5240ea | 132 | for(j=0;j<3;j++) this->fm[i][j] = sourse.fm[i][j]; |
133 | }// end for i | |
023ae34b | 134 | this->fPath = sourse.fPath; |
df5240ea | 135 | } |
4bfbde86 | 136 | */ |
df5240ea | 137 | //---------------------------------------------------------------------- |
6ba216a4 | 138 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
023ae34b | 139 | const Double_t rot[3],const Double_t tran[3]): |
140 | TObject(), | |
4bfbde86 | 141 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 142 | fid(), // layer, ladder, detector numbers. |
143 | frot(), //! vector of rotations about x,y,z [radians]. | |
144 | ftran(), // Translation vector of module x,y,z. | |
145 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
146 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
147 | fm(), // Rotation matrix based on frot. | |
148 | fPath(){ // Path in geometry to this moduel | |
149 | // This is a constructor for the AliITSgeomMatrix class. The matrix is | |
150 | // defined by 3 standard rotation angles [radians], and the translation | |
151 | // vector tran [cm]. In addition the layer, ladder, and detector number | |
152 | // for this particular module and the type of module must be given. | |
153 | // The full rotation matrix is kept so that the evaluation | |
154 | // of a coordinate transformation can be done quickly and with a minimum | |
155 | // of CPU overhead. The basic coordinate systems are the ALICE global | |
156 | // coordinate system and the detector local coordinate system. In general | |
157 | // this structure is not limited to just those two coordinate systems. | |
158 | //Begin_Html | |
159 | /* | |
160 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
161 | */ | |
162 | //End_Html | |
163 | // Inputs: | |
164 | // Int_t idt The detector index value | |
165 | // Int_t id[3] The layer, ladder, and detector numbers | |
166 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] | |
167 | // Double_t tran[3] The 3 Cartician translation distnaces | |
168 | // Outputs: | |
169 | // none. | |
170 | // Return: | |
171 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 172 | Int_t i; |
df5240ea | 173 | |
d8cc8493 | 174 | for(i=0;i<3;i++){ |
175 | fid[i] = id[i]; | |
176 | frot[i] = rot[i]; | |
177 | ftran[i] = tran[i]; | |
178 | }// end for i | |
179 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
180 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
181 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
182 | this->MatrixFromAngle(); | |
df5240ea | 183 | } |
184 | //---------------------------------------------------------------------- | |
6ba216a4 | 185 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
d962cab4 | 186 | Double_t matrix[3][3], |
023ae34b | 187 | const Double_t tran[3]): |
188 | TObject(), | |
4bfbde86 | 189 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
023ae34b | 190 | fid(), // layer, ladder, detector numbers. |
191 | frot(), //! vector of rotations about x,y,z [radians]. | |
192 | ftran(), // Translation vector of module x,y,z. | |
193 | fCylR(0.0), //! R Translation in Cylinderical coordinates | |
194 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. | |
195 | fm(), // Rotation matrix based on frot. | |
196 | fPath(){ // Path in geometry to this module | |
197 | // This is a constructor for the AliITSgeomMatrix class. The | |
198 | // rotation matrix is given as one of the inputs, and the | |
199 | // translation vector tran [cm]. In addition the layer, ladder, | |
200 | // and detector number for this particular module and the type of | |
201 | // module must be given. The full rotation matrix is kept so that | |
202 | // the evaluation of a coordinate transformation can be done quickly | |
203 | // and with a minimum of CPU overhead. The basic coordinate systems | |
204 | // are the ALICE global coordinate system and the detector local | |
205 | // coordinate system. In general this structure is not limited to just | |
206 | // those two coordinate systems. | |
207 | //Begin_Html | |
208 | /* | |
209 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
210 | */ | |
211 | //End_Html | |
212 | // Inputs: | |
213 | // Int_t idt The detector index value | |
214 | // Int_t id[3] The layer, ladder, and detector numbers | |
215 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix | |
216 | // Double_t tran[3] The 3 Cartician translation distnaces | |
217 | // Outputs: | |
218 | // none. | |
219 | // Return: | |
220 | // A properly inilized AliITSgeomMatrix class. | |
d8cc8493 | 221 | Int_t i,j; |
df5240ea | 222 | |
d8cc8493 | 223 | for(i=0;i<3;i++){ |
224 | fid[i] = id[i]; | |
225 | ftran[i] = tran[i]; | |
226 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; | |
227 | }// end for i | |
228 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
229 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
230 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
231 | this->AngleFromMatrix(); | |
df5240ea | 232 | } |
233 | //---------------------------------------------------------------------- | |
5cf690c1 | 234 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
023ae34b | 235 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
236 | // the array ang which must be at least [6] long. | |
237 | // Inputs: | |
238 | // none. | |
239 | // Outputs: | |
240 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
241 | // Return: | |
242 | // noting | |
df5240ea | 243 | Double_t si,c=180./TMath::Pi(); |
244 | ||
245 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); | |
246 | if(TMath::Cos(ang[1])!=0.0) si = fm[0][0]/TMath::Cos(ang[1]); | |
247 | else si = fm[0][1]/TMath::Sin(ang[1]); | |
248 | ang[0] = TMath::ATan2(si,fm[0][2]); | |
249 | ||
250 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); | |
251 | if(TMath::Cos(ang[3])!=0.0) si = fm[1][0]/TMath::Cos(ang[3]); | |
252 | else si = fm[1][1]/TMath::Sin(ang[3]); | |
3f616de1 | 253 | ang[2] = TMath::ATan2(si,fm[1][2]); |
df5240ea | 254 | |
3f616de1 | 255 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
256 | if(TMath::Cos(ang[5])!=0.0) si = fm[2][0]/TMath::Cos(ang[5]); | |
257 | else si = fm[2][1]/TMath::Sin(ang[5]); | |
258 | ang[4] = TMath::ATan2(si,fm[2][2]); | |
df5240ea | 259 | |
260 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} | |
261 | } | |
262 | //---------------------------------------------------------------------- | |
263 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ | |
023ae34b | 264 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
265 | // set the rotations matrix and 3 standard rotation angles [radians]. | |
266 | // These angles and rotation matrix are overwrite the existing values in | |
267 | // this class. | |
268 | // Inputs: | |
269 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] | |
270 | // Outputs: | |
271 | // none. | |
272 | // Return: | |
273 | // noting | |
df5240ea | 274 | Int_t i,j; |
275 | Double_t si,lr[9],c=TMath::Pi()/180.; | |
276 | ||
277 | si = TMath::Sin(c*ang[0]); | |
278 | if(ang[0]== 90.0) si = +1.0; | |
279 | if(ang[0]==270.0) si = -1.0; | |
280 | if(ang[0]== 0.0||ang[0]==180.) si = 0.0; | |
281 | lr[0] = si * TMath::Cos(c*ang[1]); | |
282 | lr[1] = si * TMath::Sin(c*ang[1]); | |
283 | lr[2] = TMath::Cos(c*ang[0]); | |
284 | if(ang[0]== 90.0||ang[0]==270.) lr[2] = 0.0; | |
285 | if(ang[0]== 0.0) lr[2] = +1.0; | |
286 | if(ang[0]==180.0) lr[2] = -1.0; | |
287 | // | |
288 | si = TMath::Sin(c*ang[2]); | |
289 | if(ang[2]== 90.0) si = +1.0; | |
290 | if(ang[2]==270.0) si = -1.0; | |
291 | if(ang[2]== 0.0||ang[2]==180.) si = 0.0; | |
292 | lr[3] = si * TMath::Cos(c*ang[3]); | |
293 | lr[4] = si * TMath::Sin(c*ang[3]); | |
294 | lr[5] = TMath::Cos(c*ang[2]); | |
295 | if(ang[2]== 90.0||ang[2]==270.) lr[5] = 0.0; | |
296 | if(ang[2]== 0.0) lr[5] = +1.0; | |
297 | if(ang[2]==180.0) lr[5] = -1.0; | |
298 | // | |
299 | si = TMath::Sin(c*ang[4]); | |
300 | if(ang[4]== 90.0) si = +1.0; | |
301 | if(ang[4]==270.0) si = -1.0; | |
302 | if(ang[4]== 0.0||ang[4]==180.) si = 0.0; | |
303 | lr[6] = si * TMath::Cos(c*ang[5]); | |
304 | lr[7] = si * TMath::Sin(c*ang[5]); | |
305 | lr[8] = TMath::Cos(c*ang[4]); | |
306 | if(ang[4]== 90.0||ang[4]==270.0) lr[8] = 0.0; | |
307 | if(ang[4]== 0.0) lr[8] = +1.0; | |
308 | if(ang[4]==180.0) lr[8] = -1.0; | |
309 | // Normalize these elements and fill matrix fm. | |
310 | for(i=0;i<3;i++){// reuse si. | |
311 | si = 0.0; | |
312 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; | |
313 | si = TMath::Sqrt(1./si); | |
314 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; | |
315 | } // end for i | |
316 | this->AngleFromMatrix(); | |
317 | } | |
318 | //---------------------------------------------------------------------- | |
319 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, | |
6ba216a4 | 320 | Int_t idt,const Int_t id[3], |
4bfbde86 | 321 | const Double_t tran[3]): |
322 | TObject(), | |
323 | fDetectorIndex(idt), | |
324 | fCylR(0.), | |
325 | fCylPhi(0.), | |
326 | fPath(){ | |
023ae34b | 327 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
328 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and | |
329 | // the translation vector tran [cm]. In addition the layer, ladder, | |
330 | // and detector number for this particular module and the type of | |
331 | // module must be given. The full rotation matrix is kept so that | |
332 | // the evaluation of a coordinate transformation can be done | |
333 | // quickly and with a minimum of CPU overhead. The basic coordinate | |
334 | // systems are the ALICE global coordinate system and the detector | |
335 | // local coordinate system. In general this structure is not limited | |
336 | // to just those two coordinate systems. | |
337 | //Begin_Html | |
338 | /* | |
339 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> | |
340 | */ | |
341 | //End_Html | |
342 | // Inputs: | |
343 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] | |
344 | // Int_t idt The module Id number | |
345 | // Int_t id[3] The layer, ladder and detector number | |
346 | // Double_t tran[3] The translation vector | |
df5240ea | 347 | Int_t i; |
348 | ||
df5240ea | 349 | for(i=0;i<3;i++){ |
350 | fid[i] = id[i]; | |
351 | ftran[i] = tran[i]; | |
352 | }// end for i | |
d8cc8493 | 353 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
354 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
355 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 356 | this->MatrixFromSixAngles(rotd); |
357 | } | |
358 | //---------------------------------------------------------------------- | |
359 | void AliITSgeomMatrix::AngleFromMatrix(){ | |
023ae34b | 360 | // Computes the angles from the rotation matrix up to a phase of |
361 | // 180 degrees. | |
362 | // Inputs: | |
363 | // none | |
364 | // Outputs: | |
365 | // none | |
366 | // Return: | |
367 | // none | |
df5240ea | 368 | Double_t rx,ry,rz; |
369 | // get angles from matrix up to a phase of 180 degrees. | |
370 | ||
371 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); | |
372 | ry = TMath::ASin(fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); | |
373 | rz = TMath::ATan2(fm[1][1],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); | |
374 | frot[0] = rx; | |
375 | frot[1] = ry; | |
376 | frot[2] = rz; | |
377 | return; | |
378 | } | |
379 | //---------------------------------------------------------------------- | |
380 | void AliITSgeomMatrix::MatrixFromAngle(){ | |
023ae34b | 381 | // Computes the Rotation matrix from the angles [radians] kept in this |
382 | // class. | |
383 | // Inputs: | |
384 | // none | |
385 | // Outputs: | |
386 | // none | |
387 | // Return: | |
388 | // none | |
df5240ea | 389 | Double_t sx,sy,sz,cx,cy,cz; |
390 | ||
391 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); | |
392 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); | |
393 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); | |
394 | fm[0][0] = cz*cy; // fr[0] | |
395 | fm[0][1] = -cz*sy*sx - sz*cx; // fr[1] | |
396 | fm[0][2] = -cz*sy*cx + sz*sx; // fr[2] | |
397 | fm[1][0] = sz*cy; // fr[3] | |
398 | fm[1][1] = -sz*sy*sx + cz*cx; // fr[4] | |
399 | fm[1][2] = -sz*sy*cx - cz*sx; // fr[5] | |
400 | fm[2][0] = sy; // fr[6] | |
401 | fm[2][1] = cy*sx; // fr[7] | |
402 | fm[2][2] = cy*cx; // fr[8] | |
403 | ||
404 | } | |
405 | //---------------------------------------------------------------------- | |
024a4246 | 406 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
023ae34b | 407 | // Returns the local coordinates given the global coordinates [cm]. |
408 | // Inputs: | |
409 | // Double_t g[3] The position represented in the ALICE | |
410 | // global coordinate system | |
411 | // Outputs: | |
412 | // Double_t l[3] The poistion represented in the local | |
413 | // detector coordiante system | |
414 | // Return: | |
415 | // none | |
df5240ea | 416 | Int_t i,j; |
417 | Double_t g[3]; | |
418 | ||
419 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; | |
420 | for(i=0;i<3;i++){ | |
421 | l[i] = 0.0; | |
422 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
423 | // g = R l + translation | |
424 | } // end for i | |
425 | return; | |
426 | } | |
427 | //---------------------------------------------------------------------- | |
024a4246 | 428 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 429 | // Returns the global coordinates given the local coordinates [cm]. |
430 | // Inputs: | |
431 | // Double_t l[3] The poistion represented in the detector | |
432 | // local coordinate system | |
433 | // Outputs: | |
434 | // Double_t g[3] The poistion represented in the ALICE | |
435 | // Global coordinate system | |
436 | // Return: | |
437 | // none. | |
df5240ea | 438 | Int_t i,j; |
439 | ||
440 | for(i=0;i<3;i++){ | |
441 | g[i] = 0.0; | |
442 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
443 | g[i] += ftran[i]; | |
444 | // g = R^t l + translation | |
445 | } // end for i | |
446 | return; | |
447 | } | |
448 | //---------------------------------------------------------------------- | |
024a4246 | 449 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
023ae34b | 450 | // Returns the local coordinates of the momentum given the global |
451 | // coordinates of the momentum. It transforms just like GtoLPosition | |
452 | // except that the translation vector is zero. | |
453 | // Inputs: | |
454 | // Double_t g[3] The momentum represented in the ALICE global | |
455 | // coordinate system | |
456 | // Outputs: | |
457 | // Double_t l[3] the momentum represented in the detector | |
458 | // local coordinate system | |
459 | // Return: | |
460 | // none. | |
df5240ea | 461 | Int_t i,j; |
462 | ||
463 | for(i=0;i<3;i++){ | |
464 | l[i] = 0.0; | |
465 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; | |
466 | // g = R l | |
467 | } // end for i | |
468 | return; | |
469 | } | |
470 | //---------------------------------------------------------------------- | |
024a4246 | 471 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
023ae34b | 472 | // Returns the Global coordinates of the momentum given the local |
473 | // coordinates of the momentum. It transforms just like LtoGPosition | |
474 | // except that the translation vector is zero. | |
475 | // Inputs: | |
476 | // Double_t l[3] the momentum represented in the detector | |
477 | // local coordinate system | |
478 | // Outputs: | |
479 | // Double_t g[3] The momentum represented in the ALICE global | |
480 | // coordinate system | |
481 | // Return: | |
482 | // none. | |
df5240ea | 483 | Int_t i,j; |
484 | ||
485 | for(i=0;i<3;i++){ | |
486 | g[i] = 0.0; | |
487 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; | |
488 | // g = R^t l | |
489 | } // end for i | |
490 | return; | |
491 | } | |
492 | //---------------------------------------------------------------------- | |
023ae34b | 493 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
494 | Double_t l[3][3]) const { | |
495 | // Given an Uncertainty matrix in Global coordinates it is | |
496 | // rotated so that its representation in local coordinates can | |
497 | // be returned. There is no effect due to the translation vector | |
498 | // or its uncertainty. | |
499 | // Inputs: | |
500 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
501 | // coordinate system | |
502 | // Outputs: | |
503 | // Double_t l[3][3] the error matrix represented in the detector | |
504 | // local coordinate system | |
505 | // Return: | |
506 | // none. | |
df5240ea | 507 | Int_t i,j,k,m; |
508 | ||
ecb0c8bc | 509 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
510 | l[i][m] = 0.0; | |
511 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
512 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; | |
513 | } // end for i,m | |
514 | // g = R^t l R | |
df5240ea | 515 | return; |
516 | } | |
517 | //---------------------------------------------------------------------- | |
023ae34b | 518 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
024a4246 | 519 | Double_t g[3][3]) const { |
023ae34b | 520 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
521 | // its representation in global coordinates can be returned. There is no | |
522 | // effect due to the translation vector or its uncertainty. | |
523 | // Inputs: | |
524 | // Double_t l[3][3] the error matrix represented in the detector | |
525 | // local coordinate system | |
526 | // Outputs: | |
527 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
528 | // coordinate system | |
529 | // Return: | |
530 | // none. | |
df5240ea | 531 | Int_t i,j,k,m; |
532 | ||
ecb0c8bc | 533 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
534 | g[i][m] = 0.0; | |
535 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
536 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; | |
537 | } // end for i,m | |
538 | // g = R l R^t | |
df5240ea | 539 | return; |
540 | } | |
541 | //---------------------------------------------------------------------- | |
023ae34b | 542 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
543 | Double_t l[3]) const { | |
544 | // A slightly different coordinate system is used when tracking. | |
545 | // This coordinate system is only relevant when the geometry represents | |
546 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
547 | // alone but X -> -Y and Y -> X such that X always points out of the | |
548 | // ITS Cylinder for every layer including layer 1 (where the detector | |
549 | // are mounted upside down). | |
550 | //Begin_Html | |
551 | /* | |
552 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
553 | */ | |
554 | //End_Html | |
555 | // Inputs: | |
556 | // Double_t g[3] The position represented in the ALICE | |
557 | // global coordinate system | |
558 | // Outputs: | |
559 | // Double_t l[3] The poistion represented in the local | |
560 | // detector coordiante system | |
561 | // Return: | |
562 | // none | |
df5240ea | 563 | Double_t l0[3]; |
564 | ||
023ae34b | 565 | this->GtoLPosition(g,l0); |
df5240ea | 566 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
567 | // with respect to the others. | |
568 | l[0] = +l0[1]; | |
569 | l[1] = -l0[0]; | |
570 | l[2] = +l0[2]; | |
571 | }else{ | |
572 | l[0] = -l0[1]; | |
573 | l[1] = +l0[0]; | |
574 | l[2] = +l0[2]; | |
575 | } // end if | |
576 | return; | |
577 | } | |
578 | //---------------------------------------------------------------------- | |
579 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], | |
023ae34b | 580 | Double_t g[3]) const { |
581 | // A slightly different coordinate system is used when tracking. | |
582 | // This coordinate system is only relevant when the geometry represents | |
583 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
584 | // alone but X -> -Y and Y -> X such that X always points out of the | |
585 | // ITS Cylinder for every layer including layer 1 (where the detector | |
586 | // are mounted upside down). | |
587 | //Begin_Html | |
588 | /* | |
589 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
590 | */ | |
591 | //End_Html | |
592 | // Inputs: | |
593 | // Double_t l[3] The poistion represented in the detector | |
594 | // local coordinate system | |
595 | // Outputs: | |
596 | // Double_t g[3] The poistion represented in the ALICE | |
597 | // Global coordinate system | |
598 | // Return: | |
599 | // none. | |
df5240ea | 600 | Double_t l0[3]; |
601 | ||
602 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
603 | // with respect to the others. | |
604 | l0[0] = -l[1]; | |
605 | l0[1] = +l[0]; | |
606 | l0[2] = +l[2]; | |
607 | }else{ | |
608 | l0[0] = +l[1]; | |
609 | l0[1] = -l[0]; | |
610 | l0[2] = +l[2]; | |
611 | } // end if | |
612 | this->LtoGPosition(l0,g); | |
613 | return; | |
614 | } | |
615 | //---------------------------------------------------------------------- | |
616 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], | |
023ae34b | 617 | Double_t l[3]) const { |
618 | // A slightly different coordinate system is used when tracking. | |
619 | // This coordinate system is only relevant when the geometry represents | |
620 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
621 | // alone but X -> -Y and Y -> X such that X always points out of the | |
622 | // ITS Cylinder for every layer including layer 1 (where the detector | |
623 | // are mounted upside down). | |
624 | //Begin_Html | |
625 | /* | |
626 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
627 | */ | |
628 | //End_Html | |
629 | // Inputs: | |
630 | // Double_t g[3] The momentum represented in the ALICE global | |
631 | // coordinate system | |
632 | // Outputs: | |
633 | // Double_t l[3] the momentum represented in the detector | |
634 | // local coordinate system | |
635 | // Return: | |
636 | // none. | |
df5240ea | 637 | Double_t l0[3]; |
638 | ||
639 | this->GtoLMomentum(g,l0); | |
640 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
641 | // with respect to the others. | |
642 | l[0] = +l0[1]; | |
643 | l[1] = -l0[0]; | |
644 | l[2] = +l0[2]; | |
645 | }else{ | |
646 | l[0] = -l0[1]; | |
647 | l[1] = +l0[0]; | |
648 | l[2] = +l0[2]; | |
649 | } // end if | |
650 | return; | |
df5240ea | 651 | } |
652 | //---------------------------------------------------------------------- | |
653 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], | |
023ae34b | 654 | Double_t g[3]) const { |
655 | // A slightly different coordinate system is used when tracking. | |
656 | // This coordinate system is only relevant when the geometry represents | |
657 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
658 | // alone but X -> -Y and Y -> X such that X always points out of the | |
659 | // ITS Cylinder for every layer including layer 1 (where the detector | |
660 | // are mounted upside down). | |
661 | //Begin_Html | |
662 | /* | |
663 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
664 | */ | |
665 | //End_Html | |
666 | // Inputs: | |
667 | // Double_t l[3] the momentum represented in the detector | |
668 | // local coordinate system | |
669 | // Outputs: | |
670 | // Double_t g[3] The momentum represented in the ALICE global | |
671 | // coordinate system | |
672 | // Return: | |
673 | // none. | |
df5240ea | 674 | Double_t l0[3]; |
675 | ||
676 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down | |
677 | // with respect to the others. | |
678 | l0[0] = -l[1]; | |
679 | l0[1] = +l[0]; | |
680 | l0[2] = +l[2]; | |
681 | }else{ | |
682 | l0[0] = +l[1]; | |
683 | l0[1] = -l[0]; | |
684 | l0[2] = +l[2]; | |
685 | } // end if | |
686 | this->LtoGMomentum(l0,g); | |
687 | return; | |
688 | } | |
689 | //---------------------------------------------------------------------- | |
023ae34b | 690 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
691 | Double_t l[3][3]) const { | |
692 | // A slightly different coordinate system is used when tracking. | |
693 | // This coordinate system is only relevant when the geometry represents | |
694 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
695 | // alone but X -> -Y and Y -> X such that X always points out of the | |
696 | // ITS Cylinder for every layer including layer 1 (where the detector | |
697 | // are mounted upside down). | |
698 | //Begin_Html | |
699 | /* | |
700 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
701 | */ | |
702 | //End_Html | |
703 | // Inputs: | |
704 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
705 | // coordinate system | |
706 | // Outputs: | |
707 | // Double_t l[3][3] the error matrix represented in the detector | |
708 | // local coordinate system | |
709 | // Return: | |
df5240ea | 710 | Int_t i,j,k,m; |
85f1e34a | 711 | Double_t rt[3][3]; |
712 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
713 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 714 | |
715 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 716 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 717 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 718 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 719 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
720 | l[i][m] = 0.0; | |
721 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
722 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; | |
723 | } // end for i,m | |
724 | // g = R^t l R | |
df5240ea | 725 | return; |
726 | } | |
727 | //---------------------------------------------------------------------- | |
023ae34b | 728 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
729 | Double_t g[3][3]) const { | |
730 | // A slightly different coordinate system is used when tracking. | |
731 | // This coordinate system is only relevant when the geometry represents | |
732 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left | |
733 | // alone but X -> -Y and Y -> X such that X always points out of the | |
734 | // ITS Cylinder for every layer including layer 1 (where the detector | |
735 | // are mounted upside down). | |
736 | //Begin_Html | |
737 | /* | |
738 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> | |
739 | */ | |
740 | //End_Html | |
741 | // Inputs: | |
742 | // Double_t l[3][3] the error matrix represented in the detector | |
743 | // local coordinate system | |
744 | // Outputs: | |
745 | // Double_t g[3][3] The error matrix represented in the ALICE global | |
746 | // coordinate system | |
747 | // Return: | |
748 | // none. | |
df5240ea | 749 | Int_t i,j,k,m; |
85f1e34a | 750 | Double_t rt[3][3]; |
751 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
752 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
df5240ea | 753 | |
754 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) | |
85f1e34a | 755 | rt[i][k] = a0[i][j]*fm[j][k]; |
df5240ea | 756 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
85f1e34a | 757 | rt[i][k] = a1[i][j]*fm[j][k]; |
ecb0c8bc | 758 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
759 | g[i][m] = 0.0; | |
760 | for(j=0;j<3;j++)for(k=0;k<3;k++) | |
761 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; | |
762 | } // end for i,m | |
763 | // g = R l R^t | |
df5240ea | 764 | return; |
765 | } | |
766 | //---------------------------------------------------------------------- | |
024a4246 | 767 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
023ae34b | 768 | // Standard output format for this class but it includes variable |
769 | // names and formatting that makes it easer to read. | |
770 | // Inputs: | |
771 | // ostream *os The output stream to print the title on | |
772 | // Outputs: | |
773 | // none. | |
774 | // Return: | |
775 | // none. | |
df5240ea | 776 | Int_t i,j; |
777 | ||
778 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; | |
779 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
780 | *os << "} frot[3]={"; | |
781 | for(i=0;i<3;i++) *os << frot[i] << " "; | |
782 | *os << "} ftran[3]={"; | |
783 | for(i=0;i<3;i++) *os << ftran[i] << " "; | |
784 | *os << "} fm[3][3]={"; | |
785 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} | |
786 | *os << "}" << endl; | |
787 | return; | |
788 | } | |
789 | //---------------------------------------------------------------------- | |
024a4246 | 790 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
023ae34b | 791 | // output format used by Print. |
792 | // Inputs: | |
793 | // ostream *os The output stream to print the comments on | |
794 | // Outputs: | |
795 | // none. | |
796 | // Return: | |
797 | // none. | |
8253cd9a | 798 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
799 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; | |
800 | *os << "fm[2][0] fm[2][1] fm[2][2] "; | |
801 | return; | |
802 | } | |
803 | //---------------------------------------------------------------------- | |
5cf690c1 | 804 | void AliITSgeomMatrix::Print(ostream *os)const{ |
023ae34b | 805 | // Standard output format for this class. |
806 | // Inputs: | |
807 | // ostream *os The output stream to print the class data on | |
808 | // Outputs: | |
809 | // none. | |
810 | // Return: | |
811 | // none. | |
df5240ea | 812 | Int_t i,j; |
431a7819 | 813 | #if defined __GNUC__ |
814 | #if __GNUC__ > 2 | |
815 | ios::fmtflags fmt; | |
816 | #else | |
817 | Int_t fmt; | |
818 | #endif | |
94831058 | 819 | #else |
9f69211c | 820 | #if defined __ICC || defined __ECC || defined __xlC__ |
94831058 | 821 | ios::fmtflags fmt; |
431a7819 | 822 | #else |
31b8cd63 | 823 | Int_t fmt; |
94831058 | 824 | #endif |
431a7819 | 825 | #endif |
df5240ea | 826 | |
8253cd9a | 827 | fmt = os->setf(ios::scientific); // set scientific floating point output |
df5240ea | 828 | *os << fDetectorIndex << " "; |
829 | for(i=0;i<3;i++) *os << fid[i] << " "; | |
8253cd9a | 830 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
831 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; | |
832 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << | |
833 | fm[i][j] << " "; | |
023ae34b | 834 | *os << fPath.Length()<< " "; |
835 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; | |
df5240ea | 836 | *os << endl; |
8253cd9a | 837 | os->flags(fmt); // reset back to old formating. |
df5240ea | 838 | return; |
839 | } | |
840 | //---------------------------------------------------------------------- | |
8253cd9a | 841 | void AliITSgeomMatrix::Read(istream *is){ |
023ae34b | 842 | // Standard input format for this class. |
843 | // Inputs: | |
844 | // istream *is The input stream to read on | |
845 | // Outputs: | |
846 | // none. | |
847 | // Return: | |
848 | // none. | |
df5240ea | 849 | Int_t i,j; |
850 | ||
851 | *is >> fDetectorIndex; | |
852 | for(i=0;i<3;i++) *is >> fid[i]; | |
8253cd9a | 853 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
df5240ea | 854 | for(i=0;i<3;i++) *is >> ftran[i]; |
855 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; | |
5cf690c1 | 856 | while(is->peek()==' ')is->get(); // skip white spaces |
857 | if(isprint(is->peek())){ // old format did not have path. | |
858 | *is >> j; // string length | |
859 | fPath.Resize(j); | |
860 | for(i=0;i<j;i++) {*is >> fPath[i];} | |
861 | } // end if | |
8253cd9a | 862 | AngleFromMatrix(); // compute angles frot[]. |
d8cc8493 | 863 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
864 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
865 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
df5240ea | 866 | return; |
867 | } | |
d8cc8493 | 868 | //______________________________________________________________________ |
869 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ | |
870 | // Stream an object of class AliITSgeomMatrix. | |
023ae34b | 871 | // Inputs: |
872 | // TBuffer &R__b The output buffer to stream data on. | |
873 | // Outputs: | |
874 | // none. | |
875 | // Return: | |
876 | // none. | |
d8cc8493 | 877 | |
023ae34b | 878 | if (R__b.IsReading()) { |
879 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); | |
880 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
881 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
882 | this->AngleFromMatrix(); | |
883 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
884 | } else { | |
885 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); | |
886 | } // end if | |
d8cc8493 | 887 | } |
024a4246 | 888 | //______________________________________________________________________ |
889 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ | |
023ae34b | 890 | // Sets the translation vector and computes fCylR and fCylPhi. |
891 | // Inputs: | |
892 | // Double_t trans[3] The translation vector to be used | |
893 | // Outputs: | |
894 | // none. | |
895 | // Return: | |
896 | // none. | |
897 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; | |
898 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); | |
899 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); | |
900 | if(fCylPhi<0.0) fCylPhi += TMath::Pi(); | |
901 | } | |
902 | //---------------------------------------------------------------------- | |
6b0f3880 | 903 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
023ae34b | 904 | // This class is used as part of the documentation of this class |
905 | // Inputs: | |
906 | // none. | |
907 | // Outputs: | |
908 | // none. | |
909 | // Return: | |
910 | // A pointer to a new TPolyLine3D object showing the 3 line | |
911 | // segments that make up the this local axis in the global | |
912 | // reference system. | |
913 | Float_t gf[15]; | |
914 | Double_t g[5][3]; | |
915 | 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}, | |
916 | {0.0,0.0,1.0}}; | |
917 | Int_t i; | |
918 | ||
919 | for(i=0;i<5;i++) { | |
920 | LtoGPosition(l[i],g[i]); | |
921 | gf[3*i]=(Float_t)g[i][0]; | |
922 | gf[3*i+1]=(Float_t)g[i][1]; | |
923 | gf[3*i+2]=(Float_t)g[i][2]; | |
924 | } // end for i | |
925 | return new TPolyLine3D(5,gf); | |
926 | } | |
927 | //---------------------------------------------------------------------- | |
6b0f3880 | 928 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
023ae34b | 929 | // This class is used as part of the documentation of this class |
930 | // Inputs: | |
931 | // none. | |
932 | // Outputs: | |
933 | // none. | |
934 | // Return: | |
935 | // A pointer to a new TPolyLine3D object showing the 3 line | |
936 | // segments that make up the this local axis in the global | |
937 | // reference system. | |
938 | Float_t gf[15]; | |
939 | Double_t g[5][3]; | |
940 | 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}, | |
941 | {0.0,0.0,1.0}}; | |
942 | Int_t i; | |
943 | ||
944 | for(i=0;i<5;i++) { | |
945 | LtoGPositionTracking(l[i],g[i]); | |
946 | gf[3*i]=(Float_t)g[i][0]; | |
947 | gf[3*i+1]=(Float_t)g[i][1]; | |
948 | gf[3*i+2]=(Float_t)g[i][2]; | |
949 | } // end for i | |
950 | return new TPolyLine3D(5,gf); | |
951 | } | |
952 | //---------------------------------------------------------------------- | |
953 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, | |
954 | const Char_t *nodeTitle,TNode *mother, | |
6b0f3880 | 955 | TShape *shape,Bool_t axis) const { |
023ae34b | 956 | // Creates a node inside of the node mother out of the shape shape |
957 | // in the position, with respect to mother, indecated by "this". If axis | |
958 | // is ture, it will insert an axis within this node/shape. | |
959 | // Inputs: | |
960 | // Char_t *nodeName This name of this node | |
961 | // Char_t *nodeTitle This node title | |
962 | // TNode *mother The node this node will be inside of/with respect to | |
963 | // TShape *shape The shape of this node | |
964 | // Bool_t axis If ture, a set of x,y,z axis will be included | |
965 | // Outputs: | |
966 | // none. | |
967 | // Return: | |
968 | // A pointer to "this" node. | |
969 | Double_t trans[3],matrix[3][3],*matr; | |
970 | TRotMatrix *rot = new TRotMatrix(); | |
971 | TString name,title; | |
972 | ||
973 | matr = &(matrix[0][0]); | |
974 | this->GetTranslation(trans); | |
975 | this->GetMatrix(matrix); | |
976 | rot->SetMatrix(matr); | |
977 | // | |
978 | name = nodeName; | |
979 | title = nodeTitle; | |
980 | // | |
981 | mother->cd(); | |
982 | TNode *node1 = new TNode(name.Data(),title.Data(),shape,trans[0],trans[1],trans[2],rot); | |
983 | if(axis){ | |
984 | Int_t i,j; | |
6b0f3880 | 985 | const Float_t kScale=0.5,kLw=0.2; |
986 | Float_t xchar[13][2]={{0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, | |
987 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, | |
988 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, | |
989 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, | |
990 | {0.5*kLw,1.}}; | |
991 | Float_t ychar[10][2]={{.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, | |
992 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, | |
993 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, | |
994 | {.5-0.5*kLw,0.}}; | |
995 | Float_t zchar[11][2]={{0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, | |
996 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, | |
023ae34b | 997 | {0.,1.}}; |
998 | for(i=0;i<13;i++)for(j=0;j<2;j++){ | |
6b0f3880 | 999 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
1000 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; | |
1001 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; | |
023ae34b | 1002 | } // end for i,j |
1003 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); | |
1004 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); | |
6b0f3880 | 1005 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
023ae34b | 1006 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
1007 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); | |
6b0f3880 | 1008 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
023ae34b | 1009 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
1010 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); | |
6b0f3880 | 1011 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
1012 | Float_t lxy[13][2]={{-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1013 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, | |
1014 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, | |
1015 | {-0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1016 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
1017 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); | |
6b0f3880 | 1018 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
1019 | Float_t lz[8][2]={{0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, | |
1020 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, | |
1021 | {0.5*kLw,-0.5*kLw}}; | |
023ae34b | 1022 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
1023 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); | |
6b0f3880 | 1024 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
023ae34b | 1025 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
1026 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); | |
1027 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); | |
1028 | // | |
1029 | node1->cd(); | |
1030 | title = name.Append("axisxy"); | |
1031 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); | |
1032 | title = name.Append("axisz"); | |
1033 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz,0.,0.,0.,yaxis90); | |
1034 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, | |
1035 | lxy[3][0],lxy[3][1],0.0); | |
1036 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, | |
1037 | lxy[3][0],lxy[3][1],0.0,yaxis90); | |
1038 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, | |
1039 | lxy[3][0],lxy[3][1],0.0,zaxis90); | |
1040 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, | |
1041 | lxy[9][0],lxy[9][1],0.0); | |
1042 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, | |
1043 | lxy[9][0],lxy[9][1],0.0,yaxis90); | |
1044 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, | |
1045 | lxy[9][0],lxy[9][1],0.0,zaxis90); | |
1046 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, | |
1047 | 0.0,0.0,lz[3][0]); | |
1048 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, | |
1049 | 0.0,0.0,lz[3][0],yaxis90); | |
1050 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, | |
1051 | 0.0,0.0,lz[3][0],zaxis90); | |
1052 | nodeaxy->Draw(); | |
1053 | nodeaz->Draw(); | |
1054 | textboxX0->Draw(); | |
1055 | textboxX1->Draw(); | |
1056 | textboxX2->Draw(); | |
1057 | textboxY0->Draw(); | |
1058 | textboxY1->Draw(); | |
1059 | textboxY2->Draw(); | |
1060 | textboxZ0->Draw(); | |
1061 | textboxZ1->Draw(); | |
1062 | textboxZ2->Draw(); | |
1063 | } // end if | |
1064 | mother->cd(); | |
1065 | return node1; | |
024a4246 | 1066 | } |
023ae34b | 1067 | //---------------------------------------------------------------------- |
6b0f3880 | 1068 | void AliITSgeomMatrix::MakeFigures() const { |
023ae34b | 1069 | // make figures to help document this class |
1070 | // Inputs: | |
1071 | // none. | |
1072 | // Outputs: | |
1073 | // none. | |
1074 | // Return: | |
1075 | // none. | |
6b0f3880 | 1076 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
1077 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm | |
023ae34b | 1078 | 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}, |
1079 | {0.0,0.0,1.0}}; | |
1080 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. | |
1081 | TView *view = new TView(1); // Create Cartesian coordiante view | |
6b0f3880 | 1082 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
1083 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); | |
023ae34b | 1084 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
1085 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); | |
1086 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); | |
1087 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); | |
024a4246 | 1088 | |
023ae34b | 1089 | det->SetLineColor(0); // black |
1090 | det->SetLineStyle(1); // solid line | |
1091 | det->SetLineWidth(2); // pixel units | |
1092 | det->SetFillColor(1); // black | |
1093 | det->SetFillStyle(4010); // window is 90% transparent | |
1094 | arrow->SetLineColor(det->GetLineColor()); | |
1095 | arrow->SetLineWidth(det->GetLineWidth()); | |
1096 | arrow->SetLineStyle(det->GetLineStyle()); | |
1097 | arrow->SetFillColor(1); // black | |
1098 | arrow->SetFillStyle(4100); // window is 100% opaque | |
6b0f3880 | 1099 | arrow->DefineSection(0,0.0,0.0,kRmax); |
1100 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); | |
1101 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); | |
023ae34b | 1102 | // |
1103 | TNode *node0 = new TNode("NODE0","NODE0",mother); | |
1104 | node0->cd(); | |
1105 | TNode *node1 = new TNode("NODE1","NODE1",det); | |
1106 | node1->cd(); | |
1107 | TNode *nodex = new TNode("NODEx","NODEx",arrow,l[0][0],l[0][1],l[0][2],xarrow); | |
1108 | TNode *nodey = new TNode("NODEy","NODEy",arrow,l[2][0],l[2][1],l[2][2],yarrow); | |
1109 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); | |
1110 | // | |
1111 | axis->Draw(); | |
1112 | nodex->Draw(); | |
1113 | nodey->Draw(); | |
1114 | nodez->Draw(); | |
1115 | ||
1116 | // | |
1117 | node0->cd(); | |
1118 | node0->Draw(); | |
1119 | c->Update(); | |
1120 | c->SaveAs("AliITSgeomMatrix_L1.gif"); | |
1121 | } | |
df5240ea | 1122 | //---------------------------------------------------------------------- |
1123 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ | |
023ae34b | 1124 | // Standard output streaming function. |
1125 | // Inputs: | |
1126 | // ostream &os The output stream to print the class data on | |
1127 | // AliITSgeomMatrix &p This class | |
1128 | // Outputs: | |
1129 | // none. | |
1130 | // Return: | |
1131 | // none. | |
df5240ea | 1132 | |
8253cd9a | 1133 | p.Print(&os); |
df5240ea | 1134 | return os; |
1135 | } | |
1136 | //---------------------------------------------------------------------- | |
1137 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ | |
023ae34b | 1138 | // Standard input streaming function. |
1139 | // Inputs: | |
1140 | // ostream &os The input stream to print the class data on | |
1141 | // AliITSgeomMatrix &p This class | |
1142 | // Outputs: | |
1143 | // none. | |
1144 | // Return: | |
1145 | // none. | |
df5240ea | 1146 | |
8253cd9a | 1147 | r.Read(&is); |
df5240ea | 1148 | return is; |
1149 | } | |
8253cd9a | 1150 | //---------------------------------------------------------------------- |