ClassImp(AliMUONClusterFinderMLEM)
/// \endcond
-const Double_t AliMUONClusterFinderMLEM::fgkZeroSuppression = 6; // average zero suppression value
-//const Double_t AliMUONClusterFinderMLEM::fgkDistancePrecision = 1e-6; // (cm) used to check overlaps and so on
const Double_t AliMUONClusterFinderMLEM::fgkDistancePrecision = 1e-3; // (cm) used to check overlaps and so on
const TVector2 AliMUONClusterFinderMLEM::fgkIncreaseSize(-AliMUONClusterFinderMLEM::fgkDistancePrecision,-AliMUONClusterFinderMLEM::fgkDistancePrecision);
const TVector2 AliMUONClusterFinderMLEM::fgkDecreaseSize(AliMUONClusterFinderMLEM::fgkDistancePrecision,AliMUONClusterFinderMLEM::fgkDistancePrecision);
fPlot(plot),
fSplitter(0x0),
fNClusters(0),
-fNAddVirtualPads(0)
+fNAddVirtualPads(0),
+fLowestPixelCharge(0),
+fLowestPadCharge(0),
+fLowestClusterCharge(0)
{
/// Constructor
-
+
fkSegmentation[1] = fkSegmentation[0] = 0x0;
if (fPlot) fDebug = 1;
//_____________________________________________________________________________
Bool_t
AliMUONClusterFinderMLEM::Prepare(Int_t detElemId,
- TClonesArray* pads[2],
+ TObjArray* pads[2],
const AliMpArea& area,
const AliMpVSegmentation* seg[2])
{
/// Prepare for clustering
-// AliCodeTimerAuto("")
+// AliCodeTimerAuto("",0)
for ( Int_t i = 0; i < 2; ++i )
{
fDetElemId = detElemId;
delete fSplitter;
- fSplitter = new AliMUONClusterSplitterMLEM(fDetElemId,fPixArray);
+ fSplitter = new AliMUONClusterSplitterMLEM(fDetElemId,
+ fPixArray,
+ fLowestPixelCharge,
+ fLowestPadCharge,
+ fLowestClusterCharge);
fSplitter->SetDebug(fDebug);
// find out current event number, and reset the cluster number
fEventNumber = runLoader ? runLoader->GetEventNumber() : 0;
fClusterNumber = -1;
fClusterList.Delete();
-
+ fPixArray->Delete();
+
AliDebug(3,Form("EVT %d DE %d",fEventNumber,fDetElemId));
if ( fPreClusterFinder->NeedSegmentation() )
AliMUONClusterFinderMLEM::NextCluster()
{
/// Return next cluster
-// AliCodeTimerAuto("")
+// AliCodeTimerAuto("",0)
// if the list of clusters is not void, pick one from there
- TObject* o = fClusterList.At(++fClusterNumber);
+ TObject* o(0x0);
+
+ // do we have clusters in our list ?
+ if ( fClusterNumber < fClusterList.GetLast() )
+ {
+ o = fClusterList.At(++fClusterNumber);
+ }
+
if ( o != 0x0 ) return static_cast<AliMUONCluster*>(o);
//FIXME : at this point, must check whether we've used all the digits
fPreCluster = fPreClusterFinder->NextCluster();
+ fPixArray->Delete();
fClusterList.Delete(); // reset the list of clusters for this pre-cluster
fClusterNumber = -1; //AZ
/// Starting from a precluster, builds a pixel array, and then
/// extract clusters from this array
- // AliCodeTimerAuto("")
+ // AliCodeTimerAuto("",0)
if (fDebug) {
cout << " *** Event # " << fEventNumber
/// Check precluster in order to attempt to simplify it (mostly for
/// two-cathode preclusters)
- AliCodeTimerAuto("")
+ AliCodeTimerAuto("",0)
// Disregard small clusters (leftovers from splitting or noise)
if ((origCluster.Multiplicity()==1 || origCluster.Multiplicity()==2) &&
- origCluster.Charge(0)+origCluster.Charge(1) < 10)
+ origCluster.Charge(0)+origCluster.Charge(1) < fLowestClusterCharge )
{
return 0x0;
}
Int_t cath = pad->Cathode();
Int_t cath1 = TMath::Even(cath);
// Check for edge effect (missing pads on the _other_ cathode)
- AliMpPad mpPad = fkSegmentation[cath1]->PadByPosition(pad->Position(),kFALSE);
+ AliMpPad mpPad =
+ fkSegmentation[cath1]->PadByPosition(pad->Position().X(),
+ pad->Position().Y(),kFALSE);
if (!mpPad.IsValid()) continue;
- //if (nFlags == 1 && pad->Charge() < fgkZeroSuppression * 3) continue;
- if (nFlags == 1 && pad->Charge() < 20) continue;
+ if (nFlags == 1 && pad->Charge() < fLowestPadCharge) continue;
AliDebug(2,Form("Releasing the following pad : de,cath,ix,iy %d,%d,%d,%d charge %e",
fDetElemId,pad->Cathode(),pad->Ix(),pad->Iy(),pad->Charge()));
toBeRemoved.AddLast(pad);
cout << " Surface = " << pixelI->Size(0)*pixelI->Size(1)*4 << endl;
pixelJ->Print();
cout << " Surface = " << pixelJ->Size(0)*pixelJ->Size(1)*4 << endl;
- cout << " Area surface = " << area.Dimensions().X()*area.Dimensions().Y()*4 << endl;
+ cout << " Area surface = " << area.GetDimensionX()*area.GetDimensionY()*4 << endl;
cout << "-------" << endl;
);
*/
if (cluster.Multiplicity(0) == 0) cath0 = 1;
else if (cluster.Multiplicity(1) == 0) cath1 = 0;
- TVector2 leftDown = cluster.Area(cath0).LeftDownCorner();
- TVector2 rightUp = cluster.Area(cath0).RightUpCorner();
- min[0] = leftDown.X();
- min[1] = leftDown.Y();
- max[0] = rightUp.X();
- max[1] = rightUp.Y();
+
+ Double_t leftDownX, leftDownY;
+ cluster.Area(cath0).LeftDownCorner(leftDownX, leftDownY);
+ Double_t rightUpX, rightUpY;
+ cluster.Area(cath0).RightUpCorner(rightUpX, rightUpY);
+ min[0] = leftDownX;
+ min[1] = leftDownY;
+ max[0] = rightUpX;
+ max[1] = rightUpY;;
if (cath1 != cath0) {
- leftDown = cluster.Area(cath1).LeftDownCorner();
- rightUp = cluster.Area(cath1).RightUpCorner();
- min[0] = TMath::Max (min[0], leftDown.X());
- min[1] = TMath::Max (min[1], leftDown.Y());
- max[0] = TMath::Min (max[0], rightUp.X());
- max[1] = TMath::Min (max[1], rightUp.Y());
+ cluster.Area(cath1).LeftDownCorner(leftDownX, leftDownY);
+ cluster.Area(cath1).RightUpCorner(rightUpX, rightUpY);
+ min[0] = TMath::Max (min[0], leftDownX);
+ min[1] = TMath::Max (min[1], leftDownY);
+ max[0] = TMath::Min (max[0], rightUpX);
+ max[1] = TMath::Min (max[1], rightUpY);
}
// Adjust limits
//_____________________________________________________________________________
void
-AliMUONClusterFinderMLEM::Plot(const char* basename)
+AliMUONClusterFinderMLEM::Plot(const char* /*basename*/)
{
/// Make a plot and save it as png
return; //AZ
- if (!fPlot) return;
-
- TCanvas* c = new TCanvas("MLEM","MLEM",800,600);
- c->Draw();
- Draw();
- c->Modified();
- c->Update();
- c->Print(Form("%s.EVT%d.DE%d.CLU%d.png",basename,fEventNumber,
- fDetElemId,fClusterNumber));
+// if (!fPlot) return;
+//
+// TCanvas* c = new TCanvas("MLEM","MLEM",800,600);
+// c->Draw();
+// Draw();
+// c->Modified();
+// c->Update();
+// c->Print(Form("%s.EVT%d.DE%d.CLU%d.png",basename,fEventNumber,
+// fDetElemId,fClusterNumber));
}
//_____________________________________________________________________________
{
/// Repeat MLEM algorithm until pixel size becomes sufficiently small
- // AliCodeTimerAuto("")
+ // AliCodeTimerAuto("",0)
Int_t nPix = fPixArray->GetLast()+1;
{
++lc;
delete fHistMlem;
+ fHistMlem = 0x0;
AliDebug(2,Form("lc %d nPix %d(%d) npadTot %d npadOK %d",lc,nPix,fPixArray->GetLast()+1,npadTot,npadOK));
AliDebug(2,Form("EVT%d PixArray=",fEventNumber));
- //StdoutToAliDebug(2,fPixArray->Print("","full"));
+ //StdoutToAliDebug(2,fPixArray->Print("full"));
coef = new Double_t [npadTot*nPix];
probi = new Double_t [nPix];
xylim[0],-xylim[1],xylim[2],-xylim[3]
));
+ AliDebug(2,Form("LowestPadCharge=%e",fLowestPadCharge));
+
+ delete fHistMlem;
+
fHistMlem = new TH2D("mlem","mlem",nx,xylim[0],-xylim[1],ny,xylim[2],-xylim[3]);
for (Int_t ipix = 0; ipix < nPix; ++ipix)
qTot += Pixel(i)->Charge();
}
- if ( qTot < 1.e-4 || ( npadOK < 3 && qTot < 7 ) )
+ if ( qTot < 1.e-4 || ( npadOK < 3 && qTot < fLowestClusterCharge ) )
{
AliDebug(1,Form("Deleting the above cluster (charge %e too low, npadOK=%d)",qTot,npadOK));
delete [] coef;
fPixArray->Sort();
MaskPeaks(0); // unmask local maxima
Double_t pixMin = 0.01*Pixel(0)->Charge();
- pixMin = TMath::Min(pixMin,50.);
+ pixMin = TMath::Min(pixMin,100*fLowestPixelCharge);
// Decrease pixel size and shift pixels to make them centered at
// the maximum one
{
if (!i)
{
- pixPtr2->SetCharge(10);
+ pixPtr2->SetCharge(fLowestPadCharge);
pixPtr2->SetSize(indx, pixPtr2->Size(indx)/2);
width = -pixPtr2->Size(indx);
pixPtr2->Shift(indx, width);
// remove pixels with low signal or low visibility
// Cuts are empirical !!!
- Double_t thresh = TMath::Max (fHistMlem->GetMaximum()/100.,1.);
- thresh = TMath::Min (thresh,50.);
+ Double_t thresh = TMath::Max (fHistMlem->GetMaximum()/100.,2.0*fLowestPixelCharge);
+ thresh = TMath::Min (thresh,100.0*fLowestPixelCharge);
Double_t charge = 0;
// Mark pixels which should be removed
// Try to split into clusters
Bool_t ok = kTRUE;
- if (fHistMlem->GetSum() < 1)
+ if (fHistMlem->GetSum() < 2.0*fLowestPixelCharge)
{
ok = kFALSE;
}
for (Int_t i = 0; i < nPix; ++i) {
pixPtr = (AliMUONPad*) fPixArray->UncheckedAt(i);
- if (pixPtr == pixPtr0 || pixPtr->Charge() < 0.5) continue;
+ if (pixPtr == pixPtr0 || pixPtr->Charge() < fLowestPixelCharge) continue;
dx = (xc - pixPtr->Coord(0)) / pixPtr->Size(0);
dy = (yc - pixPtr->Coord(1)) / pixPtr->Size(1);
r = dx *dx + dy * dy;
Double_t xylim[4] = {999, 999, 999, 999};
Int_t nPix = pixArray->GetEntriesFast();
+
+ if ( nPix <= 0 ) return 0;
+
AliMUONPad *pixPtr = 0;
for (Int_t ipix = 0; ipix < nPix; ++ipix) {
pixPtr = (AliMUONPad*) pixArray->UncheckedAt(ipix);
for (Int_t i = 1; i <= ny; ++i) {
indx = (i-1) * nx;
for (Int_t j = 1; j <= nx; ++j) {
- if (fHistAnode->GetCellContent(j,i) < 0.5) continue;
+ if (fHistAnode->GetCellContent(j,i) < fLowestPixelCharge) continue;
//if (isLocalMax[indx+j-1] < 0) continue;
if (isLocalMax[indx+j-1] != 0) continue;
FlagLocalMax(fHistAnode, i, j, isLocalMax);
for (Int_t j = TMath::Max(jc-1,1); j <= je; ++j) {
cont1 = hist->GetCellContent(j,i);
if (cont1 > cont) continue;
- if (cont1 < 0.5) continue;
+ if (cont1 < fLowestPixelCharge) continue;
pixPtr = new AliMUONPad (hist->GetXaxis()->GetBinCenter(j),
hist->GetYaxis()->GetBinCenter(i), 0, 0, cont1);
fPixArray->Add(pixPtr);
Bool_t same = kFALSE;
if (TMath::Abs(dim0.Y()-dim1.Y()) < fgkDistancePrecision) same = kTRUE; // the same pad size on both planes
- AliMpIntPair cn;
+ Long_t cn;
Bool_t check[2] = {kFALSE, kFALSE};
Int_t nxy[2];
nxy[0] = nxy[1] = 0;
for (Int_t inb = 0; inb < 2; ++inb) {
cn = cluster.NofPads(nonb[inb], 0, kTRUE);
- if (inb == 0 && cn.GetFirst() == 2) check[inb] = kTRUE; // check non-bending plane
- else if (inb == 1 && cn.GetSecond() == 2) check[inb] = kTRUE; // check bending plane
+ if (inb == 0 && AliMp::PairFirst(cn) == 2) check[inb] = kTRUE; // check non-bending plane
+ else if (inb == 1 && AliMp::PairSecond(cn) == 2) check[inb] = kTRUE; // check bending plane
if (same) {
- nxy[0] = TMath::Max (nxy[0], cn.GetFirst());
- nxy[1] = TMath::Max (nxy[1], cn.GetSecond());
+ nxy[0] = TMath::Max (nxy[0], AliMp::PairFirst(cn));
+ nxy[1] = TMath::Max (nxy[1], AliMp::PairSecond(cn));
if (inb == 0 && nxy[0] < 2) nonb[inb] = !nonb[inb];
- else if (inb == 1 && cn.GetSecond() < 2) nonb[inb] = !nonb[inb];
+ else if (inb == 1 && AliMp::PairSecond(cn) < 2) nonb[inb] = !nonb[inb];
}
}
if (same) {
if (inb == 0) pos.Set (pad->X() + idir * (pad->DX()+fgkDistancePrecision), pad->Y());
else pos.Set (pad->X(), pad->Y() + idir * (pad->DY()+fgkDistancePrecision));
//AliMpPad mppad = fkSegmentation[nonb[inb]]->PadByPosition(pos,kTRUE);
- AliMpPad mppad = fkSegmentation[nonb[inb]]->PadByPosition(pos,kFALSE);
+ AliMpPad mppad = fkSegmentation[nonb[inb]]->PadByPosition(pos.X(), pos.Y(),kFALSE);
if (!mppad.IsValid()) continue; // non-existing pad
- cn = mppad.GetIndices();
- AliMUONPad muonPad(fDetElemId, nonb[inb], cn.GetFirst(), cn.GetSecond(),
- mppad.Position().X(), mppad.Position().Y(),
- mppad.Dimensions().X(), mppad.Dimensions().Y(), 0);
- if (inb == 0) muonPad.SetCharge(TMath::Min (amax[j]/100, 5.));
+ AliMUONPad muonPad(fDetElemId, nonb[inb], mppad.GetIx(), mppad.GetIy(),
+ mppad.GetPositionX(), mppad.GetPositionY(),
+ mppad.GetDimensionX(), mppad.GetDimensionY(), 0);
+ if (inb == 0) muonPad.SetCharge(TMath::Min (amax[j]/100, fLowestPadCharge));
//else muonPad.SetCharge(TMath::Min (amax[j]/15, fgkZeroSuppression));
- else muonPad.SetCharge(TMath::Min (amax[j]/15, 6.));
- if (muonPad.Charge() < 1.) muonPad.SetCharge(1.);
+ else muonPad.SetCharge(TMath::Min (amax[j]/15, fLowestPadCharge));
+ if (muonPad.Charge() < 2.0*fLowestPixelCharge) muonPad.SetCharge(2.0*fLowestPixelCharge);
muonPad.SetReal(kFALSE);
if (fDebug) printf(" ***** Add virtual pad in %d direction ***** %f %f %f %3d %3d %f %f \n",
inb, muonPad.Charge(), muonPad.X(), muonPad.Y(), muonPad.Ix(),
Bool_t mustMatch(kTRUE);
- AliMpIntPair cn = cluster.NofPads(statusToTest,mustMatch);
+ Long_t cn = cluster.NofPads(statusToTest,mustMatch);
- nInX = cn.GetFirst();
- nInY = cn.GetSecond();
+ nInX = AliMp::PairFirst(cn);
+ nInY = AliMp::PairSecond(cn);
}
//_____________________________________________________________________________
}
}
+//_____________________________________________________________________________
+void
+AliMUONClusterFinderMLEM::SetChargeHints(Double_t lowestPadCharge, Double_t lowestClusterCharge)
+{
+ /// Set some thresholds we use later on in the algorithm
+ fLowestPadCharge=lowestPadCharge;
+ fLowestClusterCharge=lowestClusterCharge;
+ fLowestPixelCharge=fLowestPadCharge/12.0;
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff