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AliTPCpreprocessor update to handle 72 LDCs for TPC (sectors split in two LDCs)
[u/mrichter/AliRoot.git] / TPC / AliTPCCalibGlobalMisalignment.cxx
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b1f0a2a5 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// AliTPCCalibGlobalMisalignment class //
20// The class calculates the space point distortions due to simple //
21// misalignments like shifts in caresian coordinates or a rotation //
22// of the TPC read out planes (A and C side) //
be260e87 23// Optionaly possible to use it for visualization of the alignemnt form the Alignment OCDB //
24// fUseGeoManager has to be set to kTRUE to enable this option
b1f0a2a5 25// //
26// date: 06/05/2010 //
27// Authors: Stefan Rossegger, Jim Thomas, Magnus Mager //
28////////////////////////////////////////////////////////////////////////////
29
30#include "AliTPCCalibGlobalMisalignment.h"
31#include "TMath.h"
be260e87 32#include "TGeoMatrix.h"
33#include "AliTPCROC.h"
34#include "AliTPCcalibDB.h"
35#include "AliTPCParam.h"
36#include <TGeoPhysicalNode.h>
4e093f35 37//
38#include "AliAlignObjParams.h"
39#include "AliGeomManager.h"
40#include "AliCDBManager.h"
41#include "AliCDBEntry.h"
b1f0a2a5 42
43AliTPCCalibGlobalMisalignment::AliTPCCalibGlobalMisalignment()
44 : AliTPCCorrection("mialign","Misalignment"),
45 fXShift(0.),fYShift(0.),fZShift(0.),
46 fRotPhiA(0.),fRotPhiC(0.),
32b5322b 47 fdRPhiOffsetA(0.),
48 fdRPhiOffsetC(0.),
49 fQuadrantQ0(0), //OROC medium pads -delta ly+ - ly - shift
50 fQuadrantRQ0(0), //OROC medium pads -delta ly+ - ly - rotation
51 fQuadrantQ1(0), //OROC long pads -delta ly+ - ly - shift
52 fQuadrantQ2(0), //OROC long pads -shift
53 fQuadrantRQ1(0), //OROC long pads -delta ly+ - ly - rotation
54 fQuadrantRQ2(0), //OROC long pads -rotation
55 fMatrixGlobal(0), // global Alignment common
56 fArraySector(0) // fArraySector
b1f0a2a5 57{
58 //
59 // default constructor
60 //
61}
62
63AliTPCCalibGlobalMisalignment::~AliTPCCalibGlobalMisalignment() {
64 //
32b5322b 65 // destructor
b1f0a2a5 66 //
32b5322b 67 delete fQuadrantQ0; //OROC medium pads -delta ly+ - ly - shift
68 delete fQuadrantRQ0; //OROC medium pads -delta ly+ - ly - rotation
69 delete fQuadrantQ1; //OROC long pads -delta ly+ - ly - shift
70 delete fQuadrantQ2; //OROC long pads -shift
71 delete fQuadrantRQ1; //OROC long pads -delta ly+ - ly - rotation
72 delete fQuadrantRQ2; //OROC long pads -rotation
73 delete fMatrixGlobal; // global matrix
74 delete fArraySector; // sector matrices
be260e87 75}
76
32b5322b 77void AliTPCCalibGlobalMisalignment::SetQuadranAlign(const TVectorD *quadrantQ0, const TVectorD *quadrantRQ0, const TVectorD *quadrantQ1,const TVectorD *quadrantRQ1, const TVectorD *quadrantQ2, const TVectorD *quadrantRQ2){
be260e87 78 //
79 // Set quadrant alignment
32b5322b 80 // 6 vectors for 36 (super) sectors
81 //
82 if (quadrantQ0) fQuadrantQ0 = new TVectorD(*quadrantQ0);
83 if (quadrantRQ0) fQuadrantRQ0 = new TVectorD(*quadrantRQ0);
be260e87 84 //
32b5322b 85 if (quadrantQ1) fQuadrantQ1 = new TVectorD(*quadrantQ1);
86 if (quadrantQ1) fQuadrantRQ1 = new TVectorD(*quadrantRQ1);
87 if (quadrantQ2) fQuadrantQ2 = new TVectorD(*quadrantQ2);
88 if (quadrantQ2) fQuadrantRQ2 = new TVectorD(*quadrantRQ2);
b1f0a2a5 89}
90
32b5322b 91
92
4e093f35 93void AliTPCCalibGlobalMisalignment::SetAlignGlobal(const TGeoMatrix * matrixGlobal){
be260e87 94 //
4e093f35 95 // Set global misalignment
96 // Object is OWNER
be260e87 97 //
4e093f35 98 if (fMatrixGlobal) delete fMatrixGlobal;
99 fMatrixGlobal=0;
be260e87 100 if (matrixGlobal) fMatrixGlobal = new TGeoHMatrix(*matrixGlobal);
4e093f35 101}
102
103void AliTPCCalibGlobalMisalignment::SetAlignSectors(const TObjArray *arraySector){
104 //
105 // Set misalignment TObjArray of TGeoMatrices - for each sector
106 // Object is OWNER
107 //
108 if (fArraySector) delete fArraySector;
109 fArraySector=0;
110 if (arraySector) fArraySector = (TObjArray*)arraySector->Clone();
be260e87 111}
b1f0a2a5 112
113
114//void AliTPCCalibGlobalMisalignment::Init() {
115// //
116// // Initialization funtion
117// //
118
119// // nothing to be initialized, results of this calibration class will go to the global aligment structure
120
121//}
122
123//void AliTPCCalibGlobalMisalignment::Update(const TTimeStamp &/*timeStamp*/) {
124// //
125// // Update function
126// //
127//
128// // nothing to be updated, results of this calibration class will go to the global aligment structure
129//
130//}
131
132
133
134void AliTPCCalibGlobalMisalignment::GetCorrection(const Float_t x[],const Short_t roc,Float_t dx[]) {
135 //
136 // Calculates the simple correction due to a shift (in x,y,z) or an rotation of the TPC (around z)
be260e87 137 //
138 static AliTPCROC *tpcRoc =AliTPCROC::Instance();
32b5322b 139 Double_t xref = ( tpcRoc->GetPadRowRadii(0,0)+tpcRoc->GetPadRowRadii(36,tpcRoc->GetNRows(36)-1))*0.5;
140
be260e87 141 Double_t r=0, phi=0;
b1f0a2a5 142 r = TMath::Sqrt( x[0]*x[0] + x[1]*x[1] );
143 phi = TMath::ATan2(x[1],x[0]);
be260e87 144 // Getsector number
145 Double_t sec=TMath::Nint(-0.5+(phi*9./TMath::Pi()));
146 if (sec<0) sec+=18;
147 Int_t isec = TMath::Nint(sec);
148 if (roc%36>=18) isec+=18;
149 //
150 // Get the point on the local coordiante frame
151 //
152 Double_t alpha=(sec+0.5)*TMath::Pi()/9;
153 Double_t pos[3]={0,0,x[2]};
154 pos[0]= TMath::Cos(alpha)*x[0]+TMath::Sin(alpha)*x[1];
155 pos[1]= -TMath::Sin(alpha)*x[0]+TMath::Cos(alpha)*x[1];
156 if (pos[0]>tpcRoc->GetPadRowRadiiUp(0)) isec+=36;
b1f0a2a5 157
be260e87 158 //
159 // apply quadrant alignment if available - in local coordinate frame
160 //
32b5322b 161 //
be260e87 162 Double_t posQG[3]={x[0],x[1],x[2]};
32b5322b 163 {
be260e87 164 Double_t dly=0;
32b5322b 165 Bool_t isQ0 = TMath::Abs(pos[0]-161)<28;
166 Bool_t isQ1 = (pos[0]>189);
167 Double_t sign = (pos[1]>0)? 1.: -1.;
168 if (isQ0){
169 if (fQuadrantQ0) dly+=sign*(*fQuadrantQ0)[isec%36]; // shift in cm
170 if (fQuadrantRQ0) dly+=sign*(*fQuadrantRQ0)[isec%36]*(pos[0]-xref);
be260e87 171 }
32b5322b 172 if (isQ1){
173 if (fQuadrantQ1) dly+=sign*(*fQuadrantQ1)[isec%36]; // shift in cm
174 if (fQuadrantRQ1) dly+=sign*(*fQuadrantRQ1)[isec%36]*(pos[0]-xref);
175 if (fQuadrantQ2) dly+=(*fQuadrantQ2)[isec%36]; // shift in cm
176 if (fQuadrantRQ2) dly+=(*fQuadrantRQ2)[isec%36]*(pos[0]-xref);
be260e87 177 }
178 // Tranform the corrected point to the global frame
179 posQG[0]= TMath::Cos(alpha)*pos[0]-TMath::Sin(alpha)*(pos[1]+dly);
180 posQG[1]= TMath::Sin(alpha)*pos[0]+TMath::Cos(alpha)*(pos[1]+dly);
181 }
182 //
b1f0a2a5 183 // rotation of the read-out planes
184 if (roc%36<18) // A side
185 phi += fRotPhiA;
186 else // C side
187 phi += fRotPhiC;
be260e87 188
b1f0a2a5 189 // Simply adding a constant dRPHi residual. PURELY FOR CALIBRATION PURPOSES
190 if (roc%36<18) // A side
191 phi += fdRPhiOffsetA/r;
192 else // C side
193 phi += fdRPhiOffsetC/r;
be260e87 194
b1f0a2a5 195 dx[0] = r * TMath::Cos(phi) - x[0];
196 dx[1] = r * TMath::Sin(phi) - x[1];
197 dx[2] = 0.;
198
199 // Simple shifts
200 dx[0] -= fXShift;
201 dx[1] -= fYShift;
202 dx[2] -= fZShift;
be260e87 203 // quadrant shifts
204 dx[0] += (posQG[0]-x[0]);
205 dx[1] += (posQG[1]-x[1]);
206 //
be260e87 207 //
be260e87 208 if (fMatrixGlobal){
209 // apply global alignment matrix
210 Double_t ppos[3]={x[0],x[1],x[2]};
211 Double_t pposC[3]={x[0],x[1],x[2]};
212 fMatrixGlobal->LocalToMaster(ppos,pposC);
213 dx[0]+=pposC[0]-ppos[0];
214 dx[1]+=pposC[1]-ppos[1];
215 dx[2]+=pposC[2]-ppos[2];
216 }
217
4e093f35 218 if (fArraySector){
be260e87 219 // apply global alignment matrix
4e093f35 220 TGeoMatrix *mat = (TGeoMatrix*)fArraySector->At(isec);
221 if (mat){
222 Double_t ppos[3]={x[0],x[1],x[2]};
223 Double_t pposC[3]={x[0],x[1],x[2]};
224 mat->LocalToMaster(ppos,pposC);
225 dx[0]+=pposC[0]-ppos[0];
226 dx[1]+=pposC[1]-ppos[1];
227 dx[2]+=pposC[2]-ppos[2];
228 }
be260e87 229 }
b1f0a2a5 230}
231
232void AliTPCCalibGlobalMisalignment::Print(Option_t* /*option*/ ) const {
233 //
234 // Print function to check the settings
235 //
236 printf("%s",GetTitle());
237 printf(" - Trivial Misalignments for calibration purposes: \n");
238 printf(" - X-Shift: %1.3f cm, Y-Shift: %1.3f cm, Z-Shift: %1.3f cm \n",fXShift,fYShift,fZShift);
239 printf(" - Phi-Rotations: A side: %1.5f rad, C side: %1.5f rad\n",fRotPhiA,fRotPhiC);
240 printf(" - dRPhi offsets: A side: %1.5f cm, C side: %1.5f cm\n",fdRPhiOffsetA,fdRPhiOffsetC);
241
242
243}
4e093f35 244
245void AliTPCCalibGlobalMisalignment::AddAlign(const AliTPCCalibGlobalMisalignment & add){
246 //
247 // Add the alignmnet to current object
248 //
249 fXShift+=add.fXShift; // Shift in global X [cm]
250 fYShift+=add.fYShift; // Shift in global Y [cm]
251 fZShift+=add.fZShift; // Shift in global Z [cm]
252
253 fRotPhiA+=add.fRotPhiA; // simple rotation of A side read-out plane around the Z axis [rad]
254 fRotPhiC+=add.fRotPhiC; // simple rotation of C side read-out plane around the Z axis [rad]
255 fdRPhiOffsetA+=add.fdRPhiOffsetA; // add a constant offset of dRPhi (or local Y) in [cm]: purely for calibration purposes!
256 fdRPhiOffsetC+=add.fdRPhiOffsetC; // add a constant offset of dRPhi (or local Y) in [cm]: purely for calibration purposes!
257 //
258 // Quadrant alignment
259 //
32b5322b 260 if (add.fQuadrantQ0) {
261 if (fQuadrantQ0) fQuadrantQ0->Add(*(add.fQuadrantQ0));
262 if (!fQuadrantQ0) fQuadrantQ0 = (TVectorD*)(add.fQuadrantQ0->Clone());
263 }
264 if (add.fQuadrantRQ0) {
265 if (fQuadrantRQ0) fQuadrantRQ0->Add(*(add.fQuadrantRQ0));
266 if (!fQuadrantRQ0) fQuadrantRQ0 = (TVectorD*)(add.fQuadrantRQ0->Clone());
267 }
268 //
269 if (add.fQuadrantQ1) {
270 if (fQuadrantQ1) fQuadrantQ1->Add(*(add.fQuadrantQ1));
271 if (!fQuadrantQ1) fQuadrantQ1 = (TVectorD*)(add.fQuadrantQ1->Clone());
272 }
273 if (add.fQuadrantRQ1) {
274 if (fQuadrantRQ1) fQuadrantRQ1->Add(*(add.fQuadrantRQ1));
275 if (!fQuadrantRQ1) fQuadrantRQ1 = (TVectorD*)(add.fQuadrantRQ1->Clone());
276 }
277 //
278 if (add.fQuadrantQ2) {
279 if (fQuadrantQ2) fQuadrantQ2->Add(*(add.fQuadrantQ2));
280 if (!fQuadrantQ2) fQuadrantQ2 = (TVectorD*)(add.fQuadrantQ2->Clone());
281 }
282 if (add.fQuadrantRQ2) {
283 if (fQuadrantRQ2) fQuadrantRQ2->Add(*(add.fQuadrantRQ2));
284 if (!fQuadrantRQ2) fQuadrantRQ2 = (TVectorD*)(add.fQuadrantRQ2->Clone());
285 }
4e093f35 286 //
287 // Global alignment - use native ROOT representation
288 //
289 if (add.fMatrixGlobal){
290 if (!fMatrixGlobal) fMatrixGlobal = new TGeoHMatrix(*(add.fMatrixGlobal));
291 if (fMatrixGlobal) ((TGeoHMatrix*)fMatrixGlobal)->Multiply(add.fMatrixGlobal);
292 }
293 if (add.fArraySector){
294 if (!fArraySector) {SetAlignSectors(add.fArraySector);
295 }else{
296 for (Int_t isec=0; isec<72; isec++){
297 TGeoHMatrix *mat0= (TGeoHMatrix*)fArraySector->At(isec);
298 TGeoHMatrix *mat1= (TGeoHMatrix*)add.fArraySector->At(isec);
299 if (mat0&&mat1) mat0->Multiply(mat1);
300 }
301 }
302 }
303}
304
305
306AliTPCCalibGlobalMisalignment * AliTPCCalibGlobalMisalignment::CreateOCDBAlign(){
307 //
308 // Create AliTPCCalibGlobalMisalignment from OCDB Alignment entry
309 // OCDB has to be initialized before in user code
310 // All storages (defualt and specific) and run number
311 //
312 AliCDBEntry * entry = AliCDBManager::Instance()->Get("TPC/Align/Data");
313 if (!entry){
314 printf("Missing alignmnet entry. OCDB not initialized?\n");
315 return 0;
316 }
317 TClonesArray * array = (TClonesArray*)entry->GetObject();
318 Int_t entries = array->GetEntries();
319 TGeoHMatrix matrixGlobal;
320 TObjArray *alignArrayOCDB= new TObjArray(73); // sector misalignment + global misalignment
321 // // global is number 72
322 //
323 { for (Int_t i=0;i<entries; i++){
324 //
325 //
326 TGeoHMatrix matrix;
327 AliAlignObjParams *alignP = (AliAlignObjParams*)array->UncheckedAt(i);
328 alignP->GetMatrix(matrix);
329 Int_t imod;
330 AliGeomManager::ELayerID ilayer;
331 alignP->GetVolUID(ilayer, imod);
332 if (ilayer==AliGeomManager::kInvalidLayer) {
333 alignArrayOCDB->AddAt(matrix.Clone(),72);
334 alignP->GetMatrix(matrixGlobal);
335 }else{
336 Int_t sector=imod;
337 if (ilayer==AliGeomManager::kTPC2) sector+=36;
338 alignArrayOCDB->AddAt(matrix.Clone(),sector);
339 }
340 }
341 }
342 AliTPCCalibGlobalMisalignment *align = new AliTPCCalibGlobalMisalignment;
343 align->SetAlignGlobal(&matrixGlobal);
344 align->SetAlignSectors(alignArrayOCDB);
345 return align;
346}
347
348
349AliTPCCalibGlobalMisalignment * AliTPCCalibGlobalMisalignment::CreateMeanAlign(const AliTPCCalibGlobalMisalignment *alignIn){
350 //
351 // Create new object, disantangle common mean alignmnet and sector alignment
352 //
353 // 1. Try to get mean alignment
354 // 2. Remove mean alignment from sector alignment
355 // 3. Create new object
356 //
357 TObjArray * array = alignIn->GetAlignSectors();
358 TObjArray * arrayNew = new TObjArray(72);
359 //
360 //Get mean transformation
361 TGeoHMatrix matrix;
362 {for (Int_t isec=0; isec<72; isec++){
363 const TGeoMatrix* cmatrix=(TGeoMatrix*)array->At(isec);
364 if (!cmatrix) continue;
365 matrix.Multiply(cmatrix);
366 }}
367 TGeoHMatrix matrixMean(matrix);
368 matrixMean.SetDx(matrix.GetTranslation()[0]/72.);
369 matrixMean.SetDy(matrix.GetTranslation()[1]/72.);
370 matrixMean.SetDz(matrix.GetTranslation()[2]/72.);
371 Double_t rotation[12];
372 {for (Int_t i=0; i<12; i++) {
373 rotation[i]=1.0;
374 if (TMath::Abs(matrix.GetRotationMatrix()[i]-1.)>0.1){
375 rotation[i]=matrix.GetRotationMatrix()[i]/72.;
376 }
377 }}
378 matrixMean.SetRotation(rotation);
379 TGeoHMatrix matrixInv = matrixMean.Inverse();
380 //
381 {for (Int_t isec=0; isec<72; isec++){
382 TGeoHMatrix* amatrix=(TGeoHMatrix*)(array->At(isec)->Clone());
383 if (!amatrix) continue;
384 amatrix->Multiply(&matrixInv);
385 arrayNew->AddAt(amatrix,isec);
386 }}
387 if (alignIn->GetAlignGlobal()) matrixMean.Multiply((alignIn->GetAlignGlobal()));
388 AliTPCCalibGlobalMisalignment *alignOut = new AliTPCCalibGlobalMisalignment;
389 alignOut->SetAlignGlobal(&matrixMean);
390 alignOut->SetAlignSectors(arrayNew);
391 /*
392 Checks transformation:
393 AliTPCCalibGlobalMisalignment * alignIn = AliTPCCalibGlobalMisalignment::CreateOCDBAlign()
394 AliTPCCalibGlobalMisalignment * alignOut = AliTPCCalibGlobalMisalignment::CreateMeanAlign(alignIn)
395 alignOutM= (AliTPCCalibGlobalMisalignment*)alignOut->Clone();
396 alignOutS= (AliTPCCalibGlobalMisalignment*)alignOut->Clone();
397 alignOutS->SetAlignGlobal(0);
398 alignOutM->SetAlignSectors(0);
399 //
400 AliTPCCorrection::AddVisualCorrection(alignOut,0);
401 AliTPCCorrection::AddVisualCorrection(alignOutM,1);
402 AliTPCCorrection::AddVisualCorrection(alignOutS,2);
403 AliTPCCorrection::AddVisualCorrection(alignIn,3);
404
405 TF1 f0("f0","AliTPCCorrection::GetCorrSector(x,85,0.9,1,0)",0,18);
406 TF1 f1("f1","AliTPCCorrection::GetCorrSector(x,85,0.9,1,1)",0,18);
407 TF1 f2("f2","AliTPCCorrection::GetCorrSector(x,85,0.9,1,2)",0,18);
408 TF1 f3("f3","AliTPCCorrection::GetCorrSector(x,85,0.9,1,3)",0,18);
409 f0->SetLineColor(1);
410 f1->SetLineColor(2);
411 f2->SetLineColor(3);
412 f3->SetLineColor(4);
413 f0->Draw();
414 f1->Draw("same");
415 f2->Draw("same");
416 f3->Draw("same");
417
418 TF2 f2D("f2D","AliTPCCorrection::GetCorrSector(x,y,0.9,1,0)-AliTPCCorrection::GetCorrSector(x,y,0.9,1,3)",0,18,85,245);
419 */
420 return alignOut;
421}
422
423
424void AliTPCCalibGlobalMisalignment::DumpAlignment( AliTPCCalibGlobalMisalignment* align, TTreeSRedirector *pcstream, const char *name){
425 //
32b5322b 426 // Dump alignment per sector into tree
4e093f35 427 //
428 TObjArray * array = align->GetAlignSectors();
429 if (!array) return;
430 //
431 //Get mean transformation
432 TGeoHMatrix matrix;
433 {for (Int_t isec=0; isec<72; isec++){
434 TGeoHMatrix* cmatrix=(TGeoHMatrix*)array->At(isec);
435 TGeoHMatrix* cmatrixDown=(TGeoHMatrix*)array->At(isec%36);
436 TGeoHMatrix* cmatrixUp=(TGeoHMatrix*)array->At(isec%36+36);
437 TGeoHMatrix diff(*cmatrixDown);
438 diff.Multiply(&(cmatrixUp->Inverse()));
439 (*pcstream)<<name<<
440 "isec="<<isec<<
441 "m0.="<<cmatrix<<
442 "diff.="<<&diff<<
443 "\n";
444 }
445 }
446
447}