From a2aaed492f8614b0d1ede59ffb4faa0e0028a6e9 Mon Sep 17 00:00:00 2001
From: pavlinov <pavlinov@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Sun, 9 Jan 2011 18:47:02 +0000
Subject: [PATCH] Added new methods

---
 EMCAL/AliEMCALHistoUtilities.cxx | 39 ++++++++++++++++++++++++++++++++
 EMCAL/AliEMCALHistoUtilities.h   |  1 +
 2 files changed, 40 insertions(+)

diff --git a/EMCAL/AliEMCALHistoUtilities.cxx b/EMCAL/AliEMCALHistoUtilities.cxx
index 76be738dbb7..69d78ad0dd6 100644
--- a/EMCAL/AliEMCALHistoUtilities.cxx
+++ b/EMCAL/AliEMCALHistoUtilities.cxx
@@ -210,6 +210,45 @@ void AliEMCALHistoUtilities::Titles(TH1 *hid, const char *titx,const char *tity)
   }
 }
 
+TList* AliEMCALHistoUtilities::CreateProjectionsX(TList *l, const Int_t ind, const Char_t* name)
+{
+  // Sep 4 - seperate list for projections
+  TH2F *hid = dynamic_cast<TH2F *>(l->At(ind));
+  if(hid == 0) {
+    printf("<E> Object at ind %i is %s : should ne TH2F \n",
+	   ind, l->At(ind)->ClassName());
+    return 0;
+  }
+ 
+  TList *lpt = new TList;
+  lpt->SetName(Form("%s%s", hid->GetName(), name));
+  l->Add(lpt);
+
+  TAxis*  yax   = hid->GetYaxis();
+  TString tity  = yax->GetTitle();
+  tity.ReplaceAll(" ","");
+  TString name1 = hid->GetName();
+  TString nam   = name1(3,name1.Length()-3);
+  TString tit1  = hid->GetTitle(), tit=tit1;
+
+  TH1::AddDirectory(0);
+
+  TH1D *hd = hid->ProjectionX(Form("00_%sProx",nam.Data()), 1, yax->GetNbins());
+  tit += Form(" : %5.2f < %s < %5.2f (GeV/c)", yax->GetXmin(),tity.Data(),yax->GetXmax());
+  hd->SetTitle(tit.Data());
+  lpt->Add(hd);
+
+  for(Int_t iy=1; iy<=yax->GetNbins(); iy++){
+    tit = tit1; 
+    tit += Form(" : %5.2f < %s  < %5.2f (GeV/c)", yax->GetBinLowEdge(iy), tity.Data(), yax->GetBinUpEdge(iy));
+    hd = hid->ProjectionX(Form("%2.2i_%sProx%i",iy, nam.Data(),iy),iy,iy);
+    hd->SetTitle(tit.Data());
+    lpt->Add(hd);    
+  }
+
+  return lpt;
+}
+
 TLatex *AliEMCALHistoUtilities::Lat(const char *text, Float_t x,Float_t y, Int_t align, Float_t tsize, short tcolor)
 { 
   // Oct 15, 2007
diff --git a/EMCAL/AliEMCALHistoUtilities.h b/EMCAL/AliEMCALHistoUtilities.h
index 51a3cee1a32..c25ea09230d 100644
--- a/EMCAL/AliEMCALHistoUtilities.h
+++ b/EMCAL/AliEMCALHistoUtilities.h
@@ -48,6 +48,7 @@ class AliEMCALHistoUtilities: public TNamed {
   static void AddToNameAndTitleToList(TList *l=0, const char *name=0, const char *title=0);
   static void ResetListOfHists(TList *l);
   static void Titles(TH1 *hid=0, const char *titx="",const char *tity="");
+  static TList* CreateProjectionsX(TList *l=0, const Int_t ind=2, const Char_t* name="prox");
 
   static TLatex *Lat(const char *text="", Float_t x=0.0,Float_t y=0.0, Int_t align=12, Float_t tsize=0.05, short tcolor = 1); 
   static TGraph *DrawGraph(Int_t n=4, Double_t *x=0, Double_t *y=0, Int_t markerColor=4,  
-- 
2.43.5