#include <TMath.h>
#include "AliCodeTimer.h"
+using std::endl;
+using std::cout;
/// \cond CLASSIMP
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;
}
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);
for (Int_t i = 1; i <= nbins[0]; ++i) {
Double_t x = xaxis->GetBinCenter(i);
for (Int_t j = 1; j <= nbins[1]; ++j) {
- if (hist2->GetCellContent(i,j) < 0.1) continue;
- //if (hist2->GetCellContent(i,j) < 1.1 && cluster.Multiplicity(0) &&
+ if (hist2->GetBinContent(hist2->GetBin(i,j)) < 0.1) continue;
+ //if (hist2->GetBinContent(hist2->GetBin(i,j)) < 1.1 && cluster.Multiplicity(0) &&
// cluster.Multiplicity(1)) continue;
if (cath0 != cath1) {
// Two-sided cluster
- Double_t cont = hist2->GetCellContent(i,j);
+ Double_t cont = hist2->GetBinContent(hist2->GetBin(i,j));
if (cont < 999.) continue;
if (cont-Int_t(cont/1000.)*1000. < 0.5) continue;
}
Double_t y = yaxis->GetBinCenter(j);
- Double_t charge = hist1->GetCellContent(i,j);
+ Double_t charge = hist1->GetBinContent(hist1->GetBin(i,j));
AliMUONPad* pixPtr = new AliMUONPad(x, y, width[0], width[1], charge);
fPixArray->Add(pixPtr);
}
else {
// Fill histogram
Double_t cont = pad->Charge();
- if (hist2->GetCellContent(ix0, ixy) > 0.1)
- cont = TMath::Min (hist1->GetCellContent(ix0, ixy), cont);
- hist1->SetCellContent(ix0, ixy, cont);
- //hist2->SetCellContent(ix0, ixy, hist2->GetCellContent(ix0, ixy)+1);
- hist2->SetCellContent(ix0, ixy, hist2->GetCellContent(ix0, ixy)+amask);
+ if (hist2->GetBinContent(hist2->GetBin(ix0, ixy)) > 0.1)
+ cont = TMath::Min (hist1->GetBinContent(hist1->GetBin(ix0, ixy)), cont);
+ hist1->SetBinContent(hist1->GetBin(ix0, ixy), cont);
+ //hist2->SetBinContent(hist2->GetBin(ix0, ixy), hist2->GetBinContent(hist2->GetBin(ix0, ixy))+1);
+ hist2->SetBinContent(hist2->GetBin(ix0, ixy), hist2->GetBinContent(hist2->GetBin(ix0, ixy))+amask);
}
}
else {
// Fill histogram
Double_t cont = pad->Charge();
- if (hist2->GetCellContent(ix0, ixy) > 0.1)
- cont = TMath::Min (hist1->GetCellContent(ix0, ixy), cont);
- hist1->SetCellContent(ix0, ixy, cont);
- //hist2->SetCellContent(ix0, ixy, hist2->GetCellContent(ix0, ixy)+1);
- hist2->SetCellContent(ix0, ixy, hist2->GetCellContent(ix0, ixy)+amask);
+ if (hist2->GetBinContent(hist2->GetBin(ix0, ixy)) > 0.1)
+ cont = TMath::Min (hist1->GetBinContent(hist1->GetBin(ix0, ixy)), cont);
+ hist1->SetBinContent(hist1->GetBin(ix0, ixy), cont);
+ //hist2->SetBinContent(hist1->GetBin(ix0, ixy), hist2->GetBinContent(hist2->GetBin(ix0, ixy))+1);
+ hist2->SetBinContent(hist2->GetBin(ix0, ixy), hist2->GetBinContent(hist2->GetBin(ix0, ixy))+amask);
}
}
}
//_____________________________________________________________________________
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 = TMath::Max(1,iymax-1); i <= ie; ++i) {
y = fHistMlem->GetYaxis()->GetBinCenter(i);
for (Int_t j = TMath::Max(1,ixmax-1); j <= je; ++j) {
- cont = fHistMlem->GetCellContent(j,i);
+ cont = fHistMlem->GetBinContent(fHistMlem->GetBin(j,i));
if (cont < thresh) continue;
if (i != i1) {i1 = i; nsumy++;}
if (j != j1) {j1 = j; nsumx++;}
for (Int_t i = TMath::Max(1,iymax-1); i <= ie; ++i) {
if (i == iymax) continue;
for (Int_t j = TMath::Max(1,ixmax-1); j <= je; ++j) {
- cont = fHistMlem->GetCellContent(j,i);
+ cont = fHistMlem->GetBinContent(fHistMlem->GetBin(j,i));
if (cont > cmax) {
cmax = cont;
x = fHistMlem->GetXaxis()->GetBinCenter(j);
for (Int_t j = TMath::Max(1,ixmax-1); j <= je; ++j) {
if (j == ixmax) continue;
for (Int_t i = TMath::Max(1,iymax-1); i <= ie; ++i) {
- cont = fHistMlem->GetCellContent(j,i);
+ cont = fHistMlem->GetBinContent(fHistMlem->GetBin(j,i));
if (cont > cmax) {
cmax = cont;
x = fHistMlem->GetXaxis()->GetBinCenter(j);
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->GetBinContent(fHistAnode->GetBin(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 = 1; j <= nx; ++j) {
if (isLocalMax[indx+j-1] > 0) {
localMax[nMax] = indx + j - 1;
- maxVal[nMax++] = fHistAnode->GetCellContent(j,i);
+ maxVal[nMax++] = fHistAnode->GetBinContent(fHistAnode->GetBin(j,i));
((AliMUONPad*)fSplitter->BinToPix(fHistAnode, j, i))->SetStatus(fgkMustKeep);
if (nMax > 99) break;
}
Int_t nx = hist->GetNbinsX();
Int_t ny = hist->GetNbinsY();
- Int_t cont = TMath::Nint (hist->GetCellContent(j,i));
+ Int_t cont = TMath::Nint (hist->GetBinContent(hist->GetBin(j,i)));
Int_t cont1 = 0, indx = (i-1)*nx+j-1, indx1 = 0, indx2 = 0;
Int_t ie = i + 2, je = j + 2;
if (j1 < 1 || j1 > nx) continue;
if (i == i1 && j == j1) continue;
indx2 = indx1 + j1 - 1;
- cont1 = TMath::Nint (hist->GetCellContent(j1,i1));
+ cont1 = TMath::Nint (hist->GetBinContent(hist->GetBin(j1,i1)));
if (cont < cont1) { isLocalMax[indx] = -1; return; }
else if (cont > cont1) isLocalMax[indx2] = -1;
else { // the same charge
Double_t wy = fHistAnode->GetYaxis()->GetBinWidth(1)/2;
Double_t yc = fHistAnode->GetYaxis()->GetBinCenter(ic);
Double_t xc = fHistAnode->GetXaxis()->GetBinCenter(jc);
- Double_t cont = fHistAnode->GetCellContent(jc,ic);
+ Double_t cont = fHistAnode->GetBinContent( fHistAnode->GetBin(jc,ic));
fPixArray->Add(new AliMUONPad (xc, yc, wx, wy, cont));
used[(ic-1)*nx+jc-1] = kTRUE;
AddBinSimple(fHistAnode, ic, jc);
Int_t nx = hist->GetNbinsX();
Int_t ny = hist->GetNbinsY();
- Double_t cont1, cont = hist->GetCellContent(jc,ic);
+ Double_t cont1, cont = hist->GetBinContent(hist->GetBin(jc,ic));
AliMUONPad *pixPtr = 0;
Int_t ie = TMath::Min(ic+1,ny), je = TMath::Min(jc+1,nx);
for (Int_t i = TMath::Max(ic-1,1); i <= ie; ++i) {
for (Int_t j = TMath::Max(jc-1,1); j <= je; ++j) {
- cont1 = hist->GetCellContent(j,i);
+ cont1 = hist->GetBinContent(hist->GetBin(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);
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, 5.));
+ 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(),
{
/// Process simple cluster (small number of pads) without EM-procedure
- Int_t nForFit = 1, clustFit[1] = {0}, nfit;
+ Int_t nForFit = 1, clustFit[1] = {0};
Double_t parOk[3] = {0.};
TObjArray *clusters[1];
clusters[0] = fPixArray;
*/
if (!pad->IsSaturated()) pad->SetStatus(fgkUseForFit);
}
- nfit = fSplitter->Fit(cluster,1, nForFit, clustFit, clusters, parOk, fClusterList, fHistMlem);
+ fSplitter->Fit(cluster,1, nForFit, clustFit, clusters, parOk, fClusterList, fHistMlem);
}
//_____________________________________________________________________________
}
}
+//_____________________________________________________________________________
+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