From 2e9bedc93e729897aef65e5d0cae2af723895f0c Mon Sep 17 00:00:00 2001
From: hristov <hristov@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Mon, 12 Jun 2006 16:50:16 +0000
Subject: [PATCH] Visualization of the calibration data (Marian)

---
 TPC/AliTPCCalROC.cxx | 23 ++++++++++++++++++++++-
 TPC/AliTPCCalROC.h   |  1 +
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/TPC/AliTPCCalROC.cxx b/TPC/AliTPCCalROC.cxx
index c43e8140234..5e53a06e020 100644
--- a/TPC/AliTPCCalROC.cxx
+++ b/TPC/AliTPCCalROC.cxx
@@ -26,7 +26,7 @@
 #include "TMath.h"
 #include "TClass.h"
 #include "TFile.h"
-
+#include "TH2F.h"
 ClassImp(AliTPCCalROC)
 
 
@@ -98,6 +98,27 @@ void AliTPCCalROC::Streamer(TBuffer &R__b)
 
 
 
+void AliTPCCalROC::Draw(Option_t* option){
+  //
+  // create histogram with values and draw it
+  //
+  UInt_t maxPad = 0;
+  for (UInt_t irow=0; irow<fNRows; irow++){
+    if (GetNPads(irow)>maxPad) maxPad = GetNPads(irow);
+  }
+  char  name[1000];
+  sprintf(name,"%s ROC%d",GetTitle(),fSector);
+  TH2F * his = new TH2F(name,name,fNRows+10,-5, fNRows+5, maxPad+10, -(Int_t(maxPad/2))-5, maxPad/2+5);
+  for (UInt_t irow=0; irow<fNRows; irow++){
+    UInt_t npads = (Int_t)GetNPads(irow);
+    for (UInt_t ipad=0; ipad<=npads; ipad++){
+      his->Fill(irow+0.5,Int_t(ipad)-Int_t(npads/2)+0.5,GetValue(irow,ipad));
+    }
+  }
+  his->Draw(option);
+}
+
+
 void AliTPCCalROC::Test(){
   //
   // example function to show functionality and tes AliTPCCalROC
diff --git a/TPC/AliTPCCalROC.h b/TPC/AliTPCCalROC.h
index 5cbd874ebd4..12e35d57a0a 100644
--- a/TPC/AliTPCCalROC.h
+++ b/TPC/AliTPCCalROC.h
@@ -30,6 +30,7 @@ class AliTPCCalROC : public TObject {
   Float_t      GetValue(UInt_t channel) const { return  fData[channel]; };
   void         SetValue(UInt_t row, UInt_t pad, Float_t vd) { if ( row<fNRows && (fIndexes[row]+pad)<fNChannels)fData[fIndexes[row]+pad]= vd; };
   void         SetValue(UInt_t channel, Float_t vd) {fData[channel]= vd; };
+  virtual void Draw(Option_t* option = "");
   static void Test();
  protected:
   UInt_t     fSector;          // sector number
-- 
2.43.0