]>
Commit | Line | Data |
---|---|---|
9318a5b4 | 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 | ||
16 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // Class to make a internal alignemnt of TPC chambers // | |
20 | // | |
21 | // Different linear tranformation investigated | |
22 | // 12 parameters - arbitrary transformation | |
23 | // 9 parameters - scaling fixed to 1 | |
24 | // 6 parameters - | |
25 | //// | |
26 | //// Only the 12 parameter version works so far... | |
27 | //// | |
28 | //// | |
29 | //// | |
30 | ||
31 | #include "TLinearFitter.h" | |
32 | #include "AliTPCcalibAlign.h" | |
33 | #include "AliExternalTrackParam.h" | |
e4042305 | 34 | #include "AliTPCTracklet.h" |
35 | #include "TH1D.h" | |
9318a5b4 | 36 | |
37 | #include <iostream> | |
e4042305 | 38 | #include <sstream> |
9318a5b4 | 39 | using namespace std; |
40 | ||
41 | ClassImp(AliTPCcalibAlign) | |
42 | ||
43 | AliTPCcalibAlign::AliTPCcalibAlign() | |
e4042305 | 44 | : fDphiHistArray(72*72), |
45 | fDthetaHistArray(72*72), | |
46 | fDyHistArray(72*72), | |
47 | fDzHistArray(72*72), | |
48 | fFitterArray12(72*72), | |
49 | fFitterArray9(72*72), | |
50 | fFitterArray6(72*72) | |
9318a5b4 | 51 | { |
52 | // | |
53 | // Constructor | |
54 | // | |
55 | for (Int_t i=0;i<72*72;++i) { | |
56 | fPoints[i]=0; | |
57 | } | |
58 | } | |
59 | ||
60 | AliTPCcalibAlign::~AliTPCcalibAlign() { | |
61 | // | |
62 | // destructor | |
63 | // | |
64 | } | |
65 | ||
e4042305 | 66 | void AliTPCcalibAlign::Process(AliTPCseed *seed) { |
67 | TObjArray tracklets= | |
68 | AliTPCTracklet::CreateTracklets(seed,AliTPCTracklet::kKalman, | |
69 | kFALSE,20,2); | |
cbc19295 | 70 | // TObjArray trackletsL= |
71 | // AliTPCTracklet::CreateTracklets(seed,AliTPCTracklet::kLinear, | |
72 | // kFALSE,20,2); | |
73 | // TObjArray trackletsQ= | |
74 | // AliTPCTracklet::CreateTracklets(seed,AliTPCTracklet::kQuadratic, | |
75 | // kFALSE,20,2); | |
76 | // TObjArray trackletsR= | |
77 | // AliTPCTracklet::CreateTracklets(seed,AliTPCTracklet::kRiemann, | |
78 | // kFALSE,20,2); | |
e4042305 | 79 | tracklets.SetOwner(); |
cbc19295 | 80 | // trackletsL.SetOwner(); |
81 | // trackletsQ.SetOwner(); | |
82 | // trackletsR.SetOwner(); | |
e4042305 | 83 | if (tracklets.GetEntries()==2) { |
84 | AliTPCTracklet *t1=static_cast<AliTPCTracklet*>(tracklets[0]); | |
85 | AliTPCTracklet *t2=static_cast<AliTPCTracklet*>(tracklets[1]); | |
86 | if (t1->GetSector()>t2->GetSector()) { | |
87 | AliTPCTracklet* tmp=t1; | |
88 | t1=t2; | |
89 | t2=tmp; | |
90 | } | |
91 | AliExternalTrackParam *common1=0,*common2=0; | |
92 | if (AliTPCTracklet::PropagateToMeanX(*t1,*t2,common1,common2)) | |
93 | ProcessTracklets(*common1,*common2,t1->GetSector(),t2->GetSector()); | |
94 | delete common1; | |
95 | delete common2; | |
96 | } | |
cbc19295 | 97 | |
e4042305 | 98 | } |
99 | ||
100 | void AliTPCcalibAlign::ProcessTracklets(const AliExternalTrackParam &tp1, | |
101 | const AliExternalTrackParam &tp2, | |
102 | Int_t s1,Int_t s2) { | |
103 | ||
104 | if (s2-s1==36) {//only inner-outer | |
105 | if (!fDphiHistArray[s1*72+s2]) { | |
106 | stringstream name; | |
107 | stringstream title; | |
108 | name<<"hist_phi_"<<s1<<"_"<<s2; | |
109 | title<<"Phi Missalignment for sectors "<<s1<<" and "<<s2; | |
110 | fDphiHistArray[s1*72+s2]=new TH1D(name.str().c_str(),title.str().c_str(),1024,-0.01,0.01); // +/- 10 mrad | |
111 | ((TH1D*)fDphiHistArray[s1*72+s2])->SetDirectory(0); | |
112 | } | |
113 | if (!fDthetaHistArray[s1*72+s2]) { | |
114 | stringstream name; | |
115 | stringstream title; | |
116 | name<<"hist_theta_"<<s1<<"_"<<s2; | |
117 | title<<"Theta Missalignment for sectors "<<s1<<" and "<<s2; | |
118 | fDthetaHistArray[s1*72+s2]=new TH1D(name.str().c_str(),title.str().c_str(),1024,-0.01,0.01); // +/- 10 mrad | |
119 | ((TH1D*)fDthetaHistArray[s1*72+s2])->SetDirectory(0); | |
120 | } | |
121 | if (!fDyHistArray[s1*72+s2]) { | |
122 | stringstream name; | |
123 | stringstream title; | |
124 | name<<"hist_y_"<<s1<<"_"<<s2; | |
125 | title<<"Y Missalignment for sectors "<<s1<<" and "<<s2; | |
126 | fDyHistArray[s1*72+s2]=new TH1D(name.str().c_str(),title.str().c_str(),1024,-0.3,0.3); // +/- 3 mm | |
127 | ((TH1D*)fDyHistArray[s1*72+s2])->SetDirectory(0); | |
128 | } | |
129 | if (!fDzHistArray[s1*72+s2]) { | |
130 | stringstream name; | |
131 | stringstream title; | |
132 | name<<"hist_z_"<<s1<<"_"<<s2; | |
133 | title<<"Z Missalignment for sectors "<<s1<<" and "<<s2; | |
134 | fDzHistArray[s1*72+s2]=new TH1D(name.str().c_str(),title.str().c_str(),1024,-0.3,0.3); // +/- 3 mm | |
135 | ((TH1D*)fDzHistArray[s1*72+s2])->SetDirectory(0); | |
136 | } | |
137 | static_cast<TH1D*>(fDphiHistArray[s1*72+s2]) | |
138 | ->Fill(TMath::ASin(tp1.GetSnp()) | |
139 | -TMath::ASin(tp2.GetSnp())); | |
140 | static_cast<TH1D*>(fDthetaHistArray[s1*72+s2]) | |
141 | ->Fill(TMath::ATan(tp1.GetTgl()) | |
142 | -TMath::ATan(tp2.GetTgl())); | |
143 | static_cast<TH1D*>(fDyHistArray[s1*72+s2]) | |
144 | ->Fill(tp1.GetY() | |
145 | -tp2.GetY()); | |
146 | static_cast<TH1D*>(fDzHistArray[s1*72+s2]) | |
147 | ->Fill(tp1.GetZ() | |
148 | -tp2.GetZ()); | |
149 | } | |
150 | return; | |
151 | ||
152 | ||
153 | ||
9318a5b4 | 154 | // |
155 | // Process function to fill fitters | |
156 | // | |
157 | Double_t t1[5],t2[5]; | |
158 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[2], &dydx1=t1[3], &dzdx1=t1[4]; | |
cec17745 | 159 | Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[2], &dydx2=t2[3]/*, &dzdx2=t2[4]*/; |
9318a5b4 | 160 | x1 =tp1.GetX(); |
161 | y1 =tp1.GetY(); | |
162 | z1 =tp1.GetZ(); | |
163 | Double_t snp1=tp1.GetSnp(); | |
164 | dydx1=snp1/TMath::Sqrt(1.-snp1*snp1); | |
165 | Double_t tgl1=tp1.GetTgl(); | |
166 | // dz/dx = 1/(cos(theta)*cos(phi)) | |
167 | dzdx1=1./TMath::Sqrt((1.+tgl1*tgl1)*(1.-snp1*snp1)); | |
168 | // x2 =tp1->GetX(); | |
169 | y2 =tp2.GetY(); | |
170 | z2 =tp2.GetZ(); | |
171 | Double_t snp2=tp2.GetSnp(); | |
172 | dydx2=snp2/TMath::Sqrt(1.-snp2*snp2); | |
173 | Double_t tgl2=tp2.GetTgl(); | |
174 | dzdx1=1./TMath::Sqrt((1.+tgl2*tgl2)*(1.-snp2*snp2)); | |
175 | ||
176 | Process12(t1,t2,GetOrMakeFitter12(s1,s2)); | |
177 | Process9(t1,t2,GetOrMakeFitter12(s1,s2)); | |
178 | Process6(t1,t2,GetOrMakeFitter12(s1,s2)); | |
179 | ++fPoints[72*s1+s2]; | |
180 | } | |
181 | ||
182 | void AliTPCcalibAlign::Process12(Double_t *t1, | |
183 | Double_t *t2, | |
184 | TLinearFitter *fitter) { | |
185 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
186 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
187 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
188 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
189 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
190 | // | |
191 | // a00 a01 a02 a03 p[0] p[1] p[2] p[9] | |
192 | // a10 a11 a12 a13 ==> p[3] p[4] p[5] p[10] | |
193 | // a20 a21 a22 a23 p[6] p[7] p[8] p[11] | |
194 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[2], &dydx1=t1[3], &dzdx1=t1[4]; | |
cec17745 | 195 | Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[2], &dydx2=t2[3], &dzdx2=t2[4]; |
9318a5b4 | 196 | |
197 | // TODO: | |
198 | Double_t sy = 1.; | |
199 | Double_t sz = 1.; | |
200 | Double_t sdydx = 1.; | |
201 | Double_t sdzdx = 1.; | |
202 | ||
203 | Double_t p[12]; | |
204 | Double_t value; | |
205 | ||
206 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
207 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
208 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 | |
209 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
210 | p[3+0] = x1; // a10 | |
211 | p[3+1] = y1; // a11 | |
212 | p[3+2] = z1; // a12 | |
213 | p[9+1] = 1.; // a13 | |
214 | p[0+1] = y1*dydx2; // a01 | |
215 | p[0+2] = z1*dydx2; // a02 | |
216 | p[9+0] = dydx2; // a03 | |
217 | value = y2; | |
218 | fitter->AddPoint(p,value,sy); | |
219 | ||
220 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
221 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
222 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; | |
223 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
224 | p[6+0] = x1; // a20 | |
225 | p[6+1] = y1; // a21 | |
226 | p[6+2] = z1; // a22 | |
227 | p[9+2] = 1.; // a23 | |
228 | p[0+1] = y1*dzdx2; // a01 | |
229 | p[0+2] = z1*dzdx2; // a02 | |
230 | p[9+0] = dzdx2; // a03 | |
231 | value = z2; | |
232 | fitter->AddPoint(p,value,sz); | |
233 | ||
234 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
235 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
236 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
237 | p[3+0] = 1.; // a10 | |
238 | p[3+1] = dydx1; // a11 | |
239 | p[3+2] = dzdx1; // a12 | |
240 | p[0+0] = -dydx2; // a00 | |
241 | p[0+1] = -dydx1*dydx2; // a01 | |
242 | p[0+2] = -dzdx1*dydx2; // a02 | |
243 | value = 0.; | |
244 | fitter->AddPoint(p,value,sdydx); | |
245 | ||
246 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
247 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
248 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
249 | p[6+0] = 1; // a20 | |
250 | p[6+1] = dydx1; // a21 | |
251 | p[6+2] = dzdx1; // a22 | |
252 | p[0+0] = -dzdx2; // a00 | |
253 | p[0+1] = -dydx1*dzdx2; // a01 | |
254 | p[0+2] = -dzdx1*dzdx2; // a02 | |
255 | value = 0.; | |
256 | fitter->AddPoint(p,value,sdzdx); | |
257 | } | |
258 | ||
259 | void AliTPCcalibAlign::Process9(Double_t *t1, | |
260 | Double_t *t2, | |
261 | TLinearFitter *fitter) { | |
262 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
263 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
264 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
265 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
266 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
267 | // | |
268 | // a00 a01 a02 a03 p[0] p[1] p[2] p[9] | |
269 | // a10 a11 a12 a13 ==> p[3] p[4] p[5] p[10] | |
270 | // a20 a21 a22 a23 p[6] p[7] p[8] p[11] | |
271 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[2], &dydx1=t1[3], &dzdx1=t1[4]; | |
cec17745 | 272 | Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[2], &dydx2=t2[3], &dzdx2=t2[4]; |
9318a5b4 | 273 | |
274 | // TODO: | |
275 | Double_t sy = 1.; | |
276 | Double_t sz = 1.; | |
277 | Double_t sdydx = 1.; | |
278 | Double_t sdzdx = 1.; | |
279 | ||
280 | Double_t p[12]; | |
281 | Double_t value; | |
282 | ||
283 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
284 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
285 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a03)*dydx2 | |
286 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
287 | p[3+0] = x1; | |
288 | p[3+1] = y1; | |
289 | p[3+2] = z1; | |
290 | p[9+1] = 1.; | |
291 | p[0+1] = y1*dydx2; | |
292 | p[0+2] = z1*dydx2; | |
293 | p[9+0] = dydx2; | |
294 | value = y2; | |
295 | fitter->AddPoint(p,value,sy); | |
296 | ||
297 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
298 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
299 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a03)*dzdx2; | |
300 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
301 | p[6+0] = x1; | |
302 | p[6+1] = y1; | |
303 | p[6+2] = z1; | |
304 | p[9+2] = 1.; | |
305 | p[0+1] = y1*dzdx2; | |
306 | p[0+2] = z1*dzdx2; | |
307 | p[9+0] = dzdx2; | |
308 | value = z2; | |
309 | fitter->AddPoint(p,value,sz); | |
310 | ||
311 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
312 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
313 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
314 | p[3+0] = 1.; | |
315 | p[3+1] = dydx1; | |
316 | p[3+2] = dzdx1; | |
317 | p[0+0] = -dydx2; | |
318 | p[0+1] = -dydx1*dydx2; | |
319 | p[0+2] = -dzdx1*dydx2; | |
320 | value = 0.; | |
321 | fitter->AddPoint(p,value,sdydx); | |
322 | ||
323 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
324 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
325 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
326 | p[6+0] = 1; | |
327 | p[6+1] = dydx1; | |
328 | p[6+2] = dzdx1; | |
329 | p[0+0] = -dzdx2; | |
330 | p[0+1] = -dydx1*dzdx2; | |
331 | p[0+2] = -dzdx1*dzdx2; | |
332 | value = 0.; | |
333 | fitter->AddPoint(p,value,sdzdx); | |
334 | } | |
335 | ||
336 | void AliTPCcalibAlign::Process6(Double_t *t1, | |
337 | Double_t *t2, | |
338 | TLinearFitter *fitter) { | |
339 | // x2 = 1 *x1 +-a01*y1 + 0 +a03 | |
340 | // y2 = a01*x1 + 1 *y1 + 0 +a13 | |
341 | // z2 = a20*x1 + a21*y1 + 1 *z1 +a23 | |
342 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
343 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
344 | // | |
345 | // 1 -a01 0 a03 x -p[0] x p[3] | |
346 | // a10 1 0 a13 ==> p[0] x x p[4] | |
347 | // a20 a21 1 a23 p[1] p[2] x p[5] | |
348 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[2], &dydx1=t1[3], &dzdx1=t1[4]; | |
cec17745 | 349 | Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[2], &dydx2=t2[3], &dzdx2=t2[4]; |
9318a5b4 | 350 | |
351 | // TODO: | |
352 | Double_t sy = 1.; | |
353 | Double_t sz = 1.; | |
354 | Double_t sdydx = 1.; | |
355 | Double_t sdzdx = 1.; | |
356 | ||
357 | Double_t p[12]; | |
358 | Double_t value; | |
359 | ||
360 | // x2 = 1 *x1 +-a01*y1 + 0 +a03 | |
361 | // y2 = a01*x1 + 1 *y1 + 0 +a13 | |
362 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 | |
363 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
364 | p[3+0] = x1; | |
365 | p[3+1] = y1; | |
366 | p[3+2] = z1; | |
367 | p[9+1] = 1.; | |
368 | p[0+1] = y1*dydx2; | |
369 | p[0+2] = z1*dydx2; | |
370 | p[9+0] = dydx2; | |
371 | value = y2; | |
372 | fitter->AddPoint(p,value,sy); | |
373 | ||
374 | // x2 = 1 *x1 +-a01*y1 + 0 + a03 | |
375 | // z2 = a20*x1 + a21*y1 + 1 *z1 + a23 | |
376 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 +a03)*dzdx2; | |
377 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
378 | p[6+0] = x1; | |
379 | p[6+1] = y1; | |
380 | p[6+2] = z1; | |
381 | p[9+2] = 1.; | |
382 | p[0+1] = y1*dzdx2; | |
383 | p[0+2] = z1*dzdx2; | |
384 | p[9+0] = dzdx2; | |
385 | value = z2; | |
386 | fitter->AddPoint(p,value,sz); | |
387 | ||
388 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
389 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
390 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
391 | p[3+0] = 1.; | |
392 | p[3+1] = dydx1; | |
393 | p[3+2] = dzdx1; | |
394 | p[0+0] = -dydx2; | |
395 | p[0+1] = -dydx1*dydx2; | |
396 | p[0+2] = -dzdx1*dydx2; | |
397 | value = 0.; | |
398 | fitter->AddPoint(p,value,sdydx); | |
399 | ||
400 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
401 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
402 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
403 | p[6+0] = 1; | |
404 | p[6+1] = dydx1; | |
405 | p[6+2] = dzdx1; | |
406 | p[0+0] = -dzdx2; | |
407 | p[0+1] = -dydx1*dzdx2; | |
408 | p[0+2] = -dzdx1*dzdx2; | |
409 | value = 0.; | |
410 | fitter->AddPoint(p,value,sdzdx); | |
411 | } | |
412 | ||
413 | void AliTPCcalibAlign::Eval() { | |
414 | TLinearFitter *f; | |
415 | for (Int_t s1=0;s1<72;++s1) | |
416 | for (Int_t s2=0;s2<72;++s2) | |
417 | if ((f=GetFitter12(s1,s2))&&fPoints[72*s1+s2]>12) { | |
418 | // cerr<<s1<<","<<s2<<": "<<fPoints[72*s1+s2]<<endl; | |
419 | if (!f->Eval()) { | |
420 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; | |
421 | } | |
422 | } | |
423 | /* | |
424 | ||
425 | fitter->Eval(); | |
426 | fitter->Eval(); | |
427 | chi212 = align->GetChisquare()/(4.*entries); | |
428 | ||
429 | TMatrixD mat(13,13); | |
430 | TVectorD par(13); | |
431 | align->GetParameters(par); | |
432 | align->GetCovarianceMatrix(mat); | |
433 | ||
434 | // | |
435 | // | |
436 | for (Int_t i=0; i<12;i++){ | |
437 | palign12(i)= par(i+1); | |
438 | for (Int_t j=0; j<12;j++){ | |
439 | pcovar12(i,j) = mat(i+1,j+1); | |
440 | pcovar12(i,j) *= chi212; | |
441 | } | |
442 | } | |
443 | // | |
444 | for (Int_t i=0; i<12;i++){ | |
445 | psigma12(i) = TMath::Sqrt(pcovar12(i,i)); | |
446 | palignR12(i) = palign12(i)/TMath::Sqrt(pcovar12(i,i)); | |
447 | for (Int_t j=0; j<12;j++){ | |
448 | pcovarN12(i,j) = pcovar12(i,j)/TMath::Sqrt(pcovar12(i,i)*pcovar12(j,j)); | |
449 | } | |
450 | } | |
451 | */ | |
452 | } | |
453 | ||
454 | Bool_t AliTPCcalibAlign::GetTransformation12(Int_t s1,Int_t s2,TMatrixD &a) { | |
455 | if (!GetFitter12(s1,s2)) | |
456 | return false; | |
457 | else { | |
458 | TVectorD p(12); | |
459 | cerr<<"foo"<<endl; | |
460 | GetFitter12(s1,s2)->GetParameters(p); | |
461 | cerr<<"bar"<<endl; | |
462 | a.ResizeTo(4,4); | |
463 | a[0][0]=p[0]; | |
464 | a[0][1]=p[1]; | |
465 | a[0][2]=p[2]; | |
466 | a[0][3]=p[9]; | |
467 | a[1][0]=p[3]; | |
468 | a[1][1]=p[4]; | |
469 | a[1][2]=p[5]; | |
470 | a[1][3]=p[10]; | |
471 | a[2][0]=p[6]; | |
472 | a[2][1]=p[7]; | |
473 | a[2][2]=p[8]; | |
474 | a[2][3]=p[11]; | |
475 | a[3][0]=0.; | |
476 | a[3][1]=0.; | |
477 | a[3][2]=0.; | |
478 | a[3][3]=1.; | |
479 | return true; | |
480 | } | |
481 | } | |
482 | ||
483 | Bool_t AliTPCcalibAlign::GetTransformation9(Int_t s1,Int_t s2,TMatrixD &a) { | |
484 | if (!GetFitter9(s1,s2)) | |
485 | return false; | |
486 | else { | |
487 | TVectorD p(9); | |
488 | GetFitter9(s1,s2)->GetParameters(p); | |
489 | a.ResizeTo(4,4); | |
490 | a[0][0]=p[0]; | |
491 | a[0][1]=p[1]; | |
492 | a[0][2]=p[2]; | |
493 | a[0][3]=p[9]; | |
494 | a[1][0]=p[3]; | |
495 | a[1][1]=p[4]; | |
496 | a[1][2]=p[5]; | |
497 | a[1][3]=p[10]; | |
498 | a[2][0]=p[6]; | |
499 | a[2][1]=p[7]; | |
500 | a[2][2]=p[8]; | |
501 | a[2][3]=p[11]; | |
502 | a[3][0]=0.; | |
503 | a[3][1]=0.; | |
504 | a[3][2]=0.; | |
505 | a[3][3]=1.; | |
506 | return true; | |
507 | } | |
508 | } | |
509 | ||
510 | Bool_t AliTPCcalibAlign::GetTransformation6(Int_t s1,Int_t s2,TMatrixD &a) { | |
511 | if (!GetFitter6(s1,s2)) | |
512 | return false; | |
513 | else { | |
514 | TVectorD p(6); | |
515 | cerr<<"foo"<<endl; | |
516 | GetFitter6(s1,s2)->GetParameters(p); | |
517 | cerr<<"bar"<<endl; | |
518 | a.ResizeTo(4,4); | |
519 | a[0][0]=p[0]; | |
520 | a[0][1]=p[1]; | |
521 | a[0][2]=p[2]; | |
522 | a[0][3]=p[9]; | |
523 | a[1][0]=p[3]; | |
524 | a[1][1]=p[4]; | |
525 | a[1][2]=p[5]; | |
526 | a[1][3]=p[10]; | |
527 | a[2][0]=p[6]; | |
528 | a[2][1]=p[7]; | |
529 | a[2][2]=p[8]; | |
530 | a[2][3]=p[11]; | |
531 | a[3][0]=0.; | |
532 | a[3][1]=0.; | |
533 | a[3][2]=0.; | |
534 | a[3][3]=1.; | |
535 | return true; | |
536 | } | |
537 | } |