+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-#include <TH1.h>
-#include <TObjArray.h>
-
-#include "AliITSMapA2.h"
-#include "AliITSsegmentation.h"
-#include "AliITSdigit.h"
-
-////////////////////////////////////////////////////////////////////////
-// Map Class for ITS. Implementation A2. In this implementation, the //
-// 2 dimensional (iz,ix) map is filled with Double precision floating //
-// point values. Since this class is derived for AliITSMapA1 it also //
-// has all of the functionality of that class as well. For each //
-// cell a corresponding TObject, a hit, can also be stored. //
-// The detector geometry is accessed via the that detectors //
-// segmentation class and stored here for conveniance. //
-////////////////////////////////////////////////////////////////////////
-
-ClassImp(AliITSMapA2)
-
-//______________________________________________________________________
-AliITSMapA2::AliITSMapA2():
-fHitMapD(0),
-fMapThresholdD(0),
-fScaleSizeX(0),
-fScaleSizeZ(0){
- // default constructor
-
- fSegmentation = 0;
- fNpz = 0;
- fNpx = 0;
- fMaxIndex = 0;
- fObjects = 0;
- fNobjects = 0;
-}
-//______________________________________________________________________
-AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg):
-fHitMapD(0),
-fMapThresholdD(0),
-fScaleSizeX(1),
-fScaleSizeZ(1){
- //constructor
-
- fSegmentation = seg;
- fNpz = fSegmentation->Npz();
- fNpx = fSegmentation->Npx();
- fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector
- fHitMapD = new Double_t[fMaxIndex+1];
- fObjects = 0;
- fNobjects = 0;
- ClearMap();
-}
-//______________________________________________________________________
-AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg,
- Int_t scalesizeX, Int_t scalesizeZ):
-fHitMapD(0),
-fMapThresholdD(0),
-fScaleSizeX(scalesizeX),
-fScaleSizeZ(scalesizeZ){
- //constructor
-
- fSegmentation = seg;
- fNpz = fScaleSizeZ*fSegmentation->Npz();
- fNpx = fScaleSizeX*fSegmentation->Npx();
- fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector
- fHitMapD = new Double_t[fMaxIndex+1];
- fObjects = 0;
- fNobjects = 0;
- ClearMap();
-}
-//______________________________________________________________________
-AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, TObjArray *obj,
- Double_t thresh):
-fHitMapD(0),
-fMapThresholdD(thresh),
-fScaleSizeX(1),
-fScaleSizeZ(1){
- //constructor
-
- fNobjects = 0;
- fSegmentation = seg;
- fNpz = fSegmentation->Npz();
- fNpx = fSegmentation->Npx();
- fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector
- fHitMapD = new Double_t[fMaxIndex+1];
- fObjects = obj;
- if (fObjects) fNobjects = fObjects->GetEntriesFast();
- ClearMap();
-}
-//______________________________________________________________________
-AliITSMapA2::~AliITSMapA2(){
- //destructor
-
- if (fHitMapD) delete[] fHitMapD;
-}
-
-
-//______________________________________________________________________
-void AliITSMapA2::ClearMap(){
- //clear array
-
- memset(fHitMapD,0,sizeof(Double_t)*fMaxIndex);
-}
-//______________________________________________________________________
-void AliITSMapA2::FillMap(){
- // fills signal map from digits - apply a threshold for signal
-
- if (!fObjects) return;
-
- Int_t ndigits = fObjects->GetEntriesFast();
- if (!ndigits) return;
-
- AliITSdigit *dig;
- for (Int_t ndig=0; ndig<ndigits; ndig++) {
- dig = (AliITSdigit*)fObjects->UncheckedAt(ndig);
- Double_t signal = (Double_t)(dig->GetSignal());
- if (signal > fMapThresholdD) SetHit(dig->GetCoord1(),dig->GetCoord2(),signal);
- } // end for ndig
-}
-//______________________________________________________________________
-void AliITSMapA2::FlagHit(Int_t iz, Int_t ix){
- //flag an entry
-
- fHitMapD[CheckedIndex(iz, ix)]=
- -1000.*TMath::Abs((Int_t)(fHitMapD[CheckedIndex(iz, ix)])+1.);
-}
-//______________________________________________________________________
-TObject* AliITSMapA2::GetHit(Int_t i, Int_t /* dummy */) const {
- //return a pointer to the 1D histogram
-
- if (fObjects) {
- return fObjects->UncheckedAt(i);
- } else return NULL;
-}
-//______________________________________________________________________
-Double_t AliITSMapA2::GetSignal(Int_t index) const {
- //get signal in a cell
-
- if (index<fMaxIndex) return (index <0) ? 0. : fHitMapD[index];
- else return 0.;
-}
-//______________________________________________________________________
-FlagTypeITS AliITSMapA2::TestHit(Int_t iz, Int_t ix){
- // check if the entry has already been flagged
-
- if (CheckedIndex(iz, ix) < 0) return kEmptyITS;
- Int_t inf=(Int_t)fHitMapD[CheckedIndex(iz, ix)];
-
- if (inf <= -1000) {
- return kUsedITS;
- } else if (inf == 0) {
- return kEmptyITS;
- } else {
- return kUnusedITS;
- } // end if inf...
-}
-//______________________________________________________________________
-void AliITSMapA2::FillMapFromHist(){
- // fills map from 1D histograms
-
- if (!fObjects) return;
-
- // an example
- for( Int_t i=0; i<fNobjects; i++) {
- TH1F *hist =(TH1F *)fObjects->UncheckedAt(i);
- Int_t nsamples = hist->GetNbinsX();
- for( Int_t j=0; j<nsamples; j++) {
- Double_t signal = (Double_t)(hist->GetBinContent(j+1));
- if (signal > fMapThresholdD) SetHit(i,j,signal);
- } // end for j
- } // end for i
-}
-//______________________________________________________________________
-void AliITSMapA2::FillHist(){
- // fill 1D histograms from map
-
- if (!fObjects || fScaleSizeX != 1) return;
-
- // an example
- for( Int_t i=0; i<fNobjects; i++) {
- TH1F *hist =(TH1F *)fObjects->UncheckedAt(i);
- for( Int_t j=0; j<fNpx; j++) {
- Double_t signal=GetSignal(i,j);
- if (signal > fMapThresholdD) hist->Fill((Float_t)j,signal);
- } // end for j
- } // end for i
-}
-//______________________________________________________________________
-void AliITSMapA2::ResetHist(){
- // Reset histograms
-
- if (!fObjects) return;
-
- for( Int_t i=0; i<fNobjects; i++) {
- if ((*fObjects)[i]) ((TH1F*)(*fObjects)[i])->Reset();
- } // end for i
-}
-//______________________________________________________________________
-void AliITSMapA2::AddSignal(Int_t iz,Int_t ix,Double_t sig){
- // Addes sig to cell iz. equivalent to the very common
- // sig = fMapA2->GetSignal(iz,ix) + sig; fMapA2->SetHit(iz,ix,sig);
-
-
- Int_t index=GetHitIndex(iz,ix);
- if(index<0) return;
- fHitMapD[CheckedIndex(iz, ix)] += sig;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff