// ---------------------
// Class AliMUONTrackK
// ---------------------
-// Reconstructed track in the muons system based on the extended
+// Reconstructed track in the muon system based on the extended
// Kalman filter approach
// Author: Alexander Zinchenko, JINR Dubna
#include "AliMUONTrackK.h"
-#include "AliMUON.h"
+#include "AliMUONRecData.h"
#include "AliMUONConstants.h"
#include "AliMUONTrackReconstructorK.h"
#include "AliMUONEventRecoCombi.h"
#include "AliMUONDetElement.h"
-#include "AliRun.h"
#include "AliLog.h"
-#include "AliMagF.h"
#include <Riostream.h>
#include <TClonesArray.h>
// TMath::Abs((*fTrackParNew)(1,0)-x) <= windowNonB &&
// hit->GetTrackRefSignal() == 1) { // just for test
// Vector of measurements and covariance matrix
- //fprintf(lun1,"%3d %3d %10.4f %10.4f \n", gAlice->GetEvNumber(), ichamb, x, y);
+ //fprintf(lun1,"%3d %3d %10.4f %10.4f \n", AliRunLoader::GetRunLoader()->GetEventNumber(), ichamb, x, y);
if (TMath::Abs(hit->GetZ()-zEnd) > 0.05) {
// Adjust position: for multiple hits in the chamber or misalignment (Z as a function of X or Y)
//AliWarning(Form(" *** adjust %f %f ", zEnd, hit->GetZ()));
/// Compute track parameters at hit positions (as for AliMUONTrack)
// Set Chi2
+ SetTrackQuality(1); // compute Chi2
SetFitFMin(fChi2);
- // Set track parameters at vertex
+ // Set track parameters at hits
AliMUONTrackParam trackParam;
SetTrackParam(&trackParam, fTrackPar, fPosition);
- SetTrackParamAtVertex(&trackParam);
-
- // Set track parameters at hits
for (Int_t i = fNmbTrackHits-1; i>=0; i--) {
if ((*fChi2Smooth)[i] < 0) {
// Propagate through last chambers
trackParam->SetZ(z);
}
- //__________________________________________________________________________
-void AliMUONTrackK::Branson(void)
-{
-/// Propagates track to the vertex thru absorber using Branson correction
-/// (makes use of the AliMUONTrackParam class)
-
- //AliMUONTrackParam *trackParam = new AliMUONTrackParam();
- AliMUONTrackParam trackParam = AliMUONTrackParam();
- /*
- trackParam->SetBendingCoor((*fTrackPar)(0,0));
- trackParam->SetNonBendingCoor((*fTrackPar)(1,0));
- trackParam->SetBendingSlope(TMath::Tan((*fTrackPar)(2,0)));
- trackParam->SetNonBendingSlope(TMath::Tan((*fTrackPar)(3,0))/TMath::Cos((*fTrackPar)(2,0)));
- trackParam->SetInverseBendingMomentum((*fTrackPar)(4,0)/TMath::Cos((*fTrackPar)(3,0)));
- trackParam->SetZ(fPosition);
- */
- SetTrackParam(&trackParam, fTrackPar, fPosition);
-
- AliMUONTrackExtrap::ExtrapToVertex(&trackParam, Double_t(0.), Double_t(0.), Double_t(0.));
-
- (*fTrackPar)(0,0) = trackParam.GetBendingCoor();
- (*fTrackPar)(1,0) = trackParam.GetNonBendingCoor();
- (*fTrackPar)(2,0) = TMath::ATan(trackParam.GetBendingSlope());
- (*fTrackPar)(3,0) = TMath::ATan(TMath::Cos((*fTrackPar)(2,0))*trackParam.GetNonBendingSlope());
- (*fTrackPar)(4,0) = TMath::Cos((*fTrackPar)(3,0))*trackParam.GetInverseBendingMomentum();
- fPosition = trackParam.GetZ();
- //delete trackParam;
- if (fgDebug > 0) cout << 1/(*fTrackPar)(4,0) << " " << fPosition << " " << (*fTrackPar)(0,0) << endl;
-
- // Get covariance matrix
- *fCovariance = *fWeight;
- if (fCovariance->Determinant() != 0) {
- Int_t ifail;
- mnvertLocal(&((*fCovariance)(0,0)), fgkSize,fgkSize,fgkSize,ifail);
- } else {
- AliWarning(" Determinant fCovariance=0:");
- }
-}
-
- //__________________________________________________________________________
-void AliMUONTrackK::GoToZ(Double_t zEnd)
-{
-/// Propagates track to given Z
-
- ParPropagation(zEnd);
- MSThin(1); // multiple scattering in the chamber
- WeightPropagation(zEnd, kFALSE);
- fPosition = fPositionNew;
- *fTrackPar = *fTrackParNew;
-}
-
- //__________________________________________________________________________
-void AliMUONTrackK::GoToVertex(Int_t iflag)
-{
-/// Version 3.08
-/// Propagates track to the vertex
-/// All material constants are taken from AliRoot
-
- static Double_t x01[5] = { 24.282, // C
- 24.282, // C
- 11.274, // Concrete
- 1.758, // Fe
- 1.758}; // Fe (cm)
- // inner part theta < 3 degrees
- static Double_t x02[5] = { 30413, // Air
- 24.282, // C
- 11.274, // Concrete
- 1.758, // Fe
- 0.369}; // W (cm)
- // z positions of the materials inside the absober outer part theta > 3 degres
- static Double_t zPos[10] = {-90, -105, -315, -443, -468};
-
- Double_t dZ, r0Norm, x0, deltaP, dChi2, pTotal, pOld;
- AliMUONHitForRec *hit;
- AliMUONRawCluster *clus;
- TClonesArray *rawclusters;
-
- // First step to the rear end of the absorber
- Double_t zRear = -503;
- GoToZ(zRear);
- Double_t tan3 = TMath::Tan(3./180*TMath::Pi());
-
- // Go through absorber
- pOld = 1/(*fTrackPar)(4,0);
- Double_t r0Rear = (*fTrackPar)(0,0)*(*fTrackPar)(0,0) +
- (*fTrackPar)(1,0)*(*fTrackPar)(1,0);
- r0Rear = TMath::Sqrt(r0Rear)/TMath::Abs(fPosition)/tan3;
- r0Norm = r0Rear;
- Double_t p0, cos25, cos60;
- if (!iflag) goto vertex;
-
- for (Int_t i=4; i>=0; i--) {
- ParPropagation(zPos[i]);
- WeightPropagation(zPos[i], kFALSE);
- dZ = TMath::Abs (fPositionNew-fPosition);
- if (r0Norm > 1) x0 = x01[i];
- else x0 = x02[i];
- MSLine(dZ,x0); // multiple scattering in the medium (linear approximation)
- fPosition = fPositionNew;
- *fTrackPar = *fTrackParNew;
- r0Norm = (*fTrackPar)(0,0)*(*fTrackPar)(0,0) +
- (*fTrackPar)(1,0)*(*fTrackPar)(1,0);
- r0Norm = TMath::Sqrt(r0Norm)/TMath::Abs(fPosition)/tan3;
- }
- // Correct momentum for energy losses
- pTotal = 1/TMath::Abs((*fTrackPar)(4,0));
- p0 = pTotal;
- cos25 = TMath::Cos(2.5/180*TMath::Pi());
- cos60 = TMath::Cos(6.0/180*TMath::Pi());
- for (Int_t j=0; j<1; j++) {
- /*
- if (r0Rear > 1) {
- if (p0 < 20) {
- deltaP = 2.164 + 0.145e-1*p0 - 0.417e-3*p0*p0;
- } else {
- deltaP = 2.275 + 0.102e-2*p0 - 0.674e-6*p0*p0;
- }
- } else {
- if (p0 < 20) {
- deltaP = 2.581 + 0.188e-1*p0 - 0.398e-3*p0*p0;
- } else {
- deltaP = 2.727 + 0.356e-2*p0 + 0.242e-5*p0*p0;
- }
- }
- */
- /*
- if (r0Rear < 1) {
- //W
- if (p0<15) {
- deltaP = 2.737 + 0.0494*p0 - 0.001123*p0*p0;
- } else {
- deltaP = 3.0643 + 0.01346*p0;
- }
- deltaP *= 0.95;
- } else {
- //Pb
- if (p0<15) {
- deltaP = 2.1380 + 0.0351*p0 - 0.000853*p0*p0;
- } else {
- deltaP = 2.407 + 0.00702*p0;
- }
- deltaP *= 0.95;
- }
- */
- /*
- if (r0Rear < 1) {
- //W
- if (p0<18) {
- deltaP = 2.439 + 0.806e-1*p0 - 0.500e-2*p0*p0 + 0.106e-3*p0*p0*p0;
- } else {
- deltaP = 2.767 + 0.742e-2*p0 - 0.196e-4*p0*p0 + 0.403e-7*p0*p0*p0;
- }
- //deltaP += 0.2;
- deltaP *= cos25;
- } else {
- //Pb
- if (p0<18) {
- deltaP = 2.209 + 0.800e-2*p0;
- } else {
- deltaP = 2.285 + 0.141e-2*p0 - 0.446e-6*p0*p0;
- }
- //deltaP += 0.2;
- deltaP *= cos60;
- }
- deltaP *= 1.1;
- */
- //*
- if (r0Rear < 1) {
- if (p0 < 20) {
- deltaP = 2.5938 + 0.0570 * p0 - 0.001151 * p0 * p0;
- } else {
- deltaP = 3.0714 + 0.011767 * p0;
- }
- deltaP *= 0.75;
- } else {
- if (p0 < 20) {
- deltaP = 2.1207 + 0.05478 * p0 - 0.00145079 * p0 * p0;
- } else {
- deltaP = 2.6069 + 0.0051705 * p0;
- }
- deltaP *= 0.9;
- }
- //*/
-
- p0 = pTotal + deltaP/TMath::Abs(TMath::Cos((*fTrackPar)(2,0))/TMath::Cos((*fTrackPar)(3,0)));
- }
- (*fTrackPar)(4,0) = 1/p0*TMath::Sign((Double_t)1.,(*fTrackPar)(4,0));
-
- // Go to the vertex
-vertex:
- ParPropagation((Double_t)0.);
- WeightPropagation((Double_t)0., kFALSE);
- fPosition = fPositionNew;
- //*fTrackPar = *fTrackParNew;
- // Add vertex as a hit
- TMatrixD pointWeight(fgkSize,fgkSize);
- TMatrixD point(fgkSize,1);
- TMatrixD trackParTmp = point;
- point(0,0) = 0; // vertex coordinate - should be taken somewhere
- point(1,0) = 0; // vertex coordinate - should be taken somewhere
- pointWeight(0,0) = 1/1.e-3/1.e-3; // 10 um error
- pointWeight(1,1) = 1/1.e-3/1.e-3; // 10 um error
- TryPoint(point,pointWeight,trackParTmp,dChi2);
- *fTrackPar = trackParTmp;
- *fWeight += pointWeight;
- fChi2 += dChi2; // Chi2
- if (fgDebug < 0) return; // no output
-
- cout << pOld << " " << 1/(*fTrackPar)(4,0) << " " << dChi2 << " " << fChi2 << " " << fNmbTrackHits << endl;
- for (Int_t i1=0; i1<fNmbTrackHits; i1++) {
- hit = (AliMUONHitForRec*) ((*fTrackHits)[i1]);
- printf ("%5d", hit->GetChamberNumber());
- }
- cout << endl;
- if (fgDebug > 0) {
- for (Int_t i1=0; i1<fNmbTrackHits; i1++) {
- hit = (AliMUONHitForRec*) ((*fTrackHits)[i1]);
- //cout << ((AliMUONHitForRec*)((*fTrackHits)[i1]))->GetHitNumber() << " ";
- //cout << ((AliMUONHitForRec*)((*fTrackHits)[i1]))->GetZ() << " ";
- printf ("%5d", fgHitForRec->IndexOf(hit));
- }
- cout << endl;
- }
-
- // from raw clusters
- for (Int_t i1=0; i1<fNmbTrackHits; i1++) {
- hit = (AliMUONHitForRec*) ((*fTrackHits)[i1]);
- if (hit->GetHitNumber() < 0) { // combined cluster / track finder
- Int_t index = -hit->GetHitNumber() / 100000;
- Int_t iPos = -hit->GetHitNumber() - index * 100000;
- clus = (AliMUONRawCluster*) fgCombi->DetElem(index-1)->RawClusters()->UncheckedAt(iPos);
- } else {
- rawclusters = fgTrackReconstructor->GetMUONData()->RawClusters(hit->GetChamberNumber());
- clus = (AliMUONRawCluster*) rawclusters->UncheckedAt(hit->GetHitNumber());
- }
- printf ("%5d", clus->GetTrack(1)%10000000);
- }
- cout << endl;
- for (Int_t i1=0; i1<fNmbTrackHits; i1++) {
- hit = (AliMUONHitForRec*) ((*fTrackHits)[i1]);
- if (hit->GetHitNumber() < 0) { // combined cluster / track finder
- Int_t index = -hit->GetHitNumber() / 100000;
- Int_t iPos = -hit->GetHitNumber() - index * 100000;
- clus = (AliMUONRawCluster*) fgCombi->DetElem(index-1)->RawClusters()->UncheckedAt(iPos);
- } else {
- rawclusters = fgTrackReconstructor->GetMUONData()->RawClusters(hit->GetChamberNumber());
- clus = (AliMUONRawCluster*) rawclusters->UncheckedAt(hit->GetHitNumber());
- }
- if (clus->GetTrack(2) != -1) printf ("%5d", clus->GetTrack(2)%10000000);
- else printf ("%5s", " ");
- }
- cout << endl;
- for (Int_t i1=0; i1<fNmbTrackHits; i1++) {
- //cout << ((AliMUONHitForRec*)((*fTrackHits)[i1]))->GetHitNumber() << " ";
- cout << ((AliMUONHitForRec*)((*fTrackHits)[i1]))->GetZ() << " ";
- //cout << fgHitForRec->IndexOf(((AliMUONHitForRec*)((*fTrackHits)[i1]))) << " ";
- }
- cout << endl;
- for (Int_t i1=0; i1<fNmbTrackHits; i1++) printf("%8.4f", (*fChi2Smooth)[i1]);
- cout << endl;
- cout << "---------------------------------------------------" << endl;
-
- // Get covariance matrix
- /* Not needed - covariance matrix is not interesting to anybody
- *fCovariance = *fWeight;
- if (fCovariance->Determinant() != 0) {
- Int_t ifail;
- mnvertLocal(&((*fCovariance)(0,0)), fgkSize,fgkSize,fgkSize,ifail);
- } else {
- AliWarning(" Determinant fCovariance=0:" );
- }
- */
-}
-
//__________________________________________________________________________
void AliMUONTrackK::MSLine(Double_t dZ, Double_t x0)
{
tid[j] = clus->GetTrack(j+1) - 1;
if (clus->GetTrack(j+1) < 0) { sig[j] = 0; tid[j] = 999; }
}
- fprintf(lun,"%3d %3d %10.4f", gAlice->GetEvNumber(), hit->GetChamberNumber(), GetChi2PerPoint(i1));
+ //fprintf(lun,"%3d %3d %10.4f", AliRunLoader::GetRunLoader()->GetEventNumber(), hit->GetChamberNumber(), GetChi2PerPoint(i1));
if (!(clus->GetTrack(2))) fprintf(lun, "%3d %3d", sig[0], tid[0]); // simple cluster
else { // track overlap
fprintf(lun, "%3d %3d", TMath::Max(sig[0],sig[1]), TMath::Min(tid[0],tid[1]));
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff