From af0954303815e43283e68b13d4855eab3e33a46d Mon Sep 17 00:00:00 2001
From: cheynis <cheynis@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Mon, 14 Jun 2004 12:44:10 +0000
Subject: [PATCH] Implementation for raw data simulation

---
 VZERO/AliVZEROBuffer.cxx | 89 ++++++++++++++++++++++++++++++++++++++++
 VZERO/AliVZEROBuffer.h   | 39 ++++++++++++++++++
 2 files changed, 128 insertions(+)
 create mode 100644 VZERO/AliVZEROBuffer.cxx
 create mode 100644 VZERO/AliVZEROBuffer.h

diff --git a/VZERO/AliVZEROBuffer.cxx b/VZERO/AliVZEROBuffer.cxx
new file mode 100644
index 00000000000..988f7ca830f
--- /dev/null
+++ b/VZERO/AliVZEROBuffer.cxx
@@ -0,0 +1,89 @@
+/**************************************************************************
+ * Copyright(c) 1998-2003, 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.                  *
+ **************************************************************************/
+/* $Id$ */
+
+// Storing digits in a binary file
+// according to the DDL mapping
+// To be used in Alice Data Challenges
+// This class is used by AliVZERODDL.C macro
+// Author: 
+
+#include <Riostream.h>
+#include <TObjArray.h>
+#include "AliVZEROBuffer.h"
+
+//#include "TFile.h"
+//#include "TTree.h"
+
+ClassImp(AliVZEROBuffer)
+//_____________________________________________________________________________
+AliVZEROBuffer::AliVZEROBuffer(const char* fileName){
+  // Constructor
+#ifndef __DECCXX
+  f.open(fileName,ios::binary|ios::out);
+#else
+  f.open(fileName,ios::out);
+#endif
+  // fout=new TFile(fileName,"recreate");
+  // tree=new TTree("tree","Values");
+  fNumberOfDigits=0;
+  fVerbose=0;
+  remove("VZEROdigits.txt");
+}
+
+//_____________________________________________________________________________
+AliVZEROBuffer::~AliVZEROBuffer(){
+  // Destructor, it closes the IO stream
+  f.close();
+  //delete tree;
+  //delete fout;
+}
+
+//_____________________________________________________________________________
+AliVZEROBuffer::AliVZEROBuffer(const AliVZEROBuffer &source):TObject(source){
+  // Copy Constructor
+  this->fVerbose=source.fVerbose;
+  return;
+}
+
+//_____________________________________________________________________________
+AliVZEROBuffer& AliVZEROBuffer::operator=(const AliVZEROBuffer &source){
+  //Assigment operator
+  this->fVerbose=source.fVerbose;
+  return *this;
+}
+
+//_____________________________________________________________________________
+void AliVZEROBuffer::WriteBinary(Int_t cell,Int_t ADC){
+  // It writes VZERO digits as a raw data file. 
+  // Being called by AliVZERODDL.C
+
+  struct DataFile{
+    Int_t cell;
+    Int_t ADC;
+  };
+  
+  DataFile  data;
+  data.cell = cell;
+  data.ADC  = ADC;
+
+  ofstream ftxt;
+  ftxt.open("VZEROdigits.txt",ios::app);
+  
+  fNumberOfDigits++;
+  f.write((char*)(&data),sizeof(data));
+
+}
+
diff --git a/VZERO/AliVZEROBuffer.h b/VZERO/AliVZEROBuffer.h
new file mode 100644
index 00000000000..54391d681d0
--- /dev/null
+++ b/VZERO/AliVZEROBuffer.h
@@ -0,0 +1,39 @@
+#ifndef AliVZEROBUFFER_H
+#define AliVZEROBUFFER_H
+/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+///////////////////////////////////////////////////////////////////
+// Class used for storing TPC digits according to the DDLs format//
+//////////////////////////////////////////////////////////////////
+
+#ifdef __CINT__
+class fstream;
+#else
+#include "Riostream.h"
+#endif
+
+
+class AliVZEROBuffer:public TObject{
+
+public:
+  AliVZEROBuffer(){
+    //default constructor
+  }
+  AliVZEROBuffer(const char* fileName); //constructor
+  virtual ~AliVZEROBuffer(); //destructor
+  AliVZEROBuffer(const AliVZEROBuffer &source); // copy constructor
+  AliVZEROBuffer& operator=(const AliVZEROBuffer &source); // ass. op.
+  void    WriteBinary(Int_t cell,Int_t ADC);
+  UInt_t  GetDigNumber()const{return fNumberOfDigits;}
+  void    SetVerbose(Int_t val){fVerbose=val;}
+  Int_t   GetVerbose() const{return  fVerbose;} 
+  
+private:
+  Int_t fVerbose; //Verbosity level: 0-silent, 1:cout msg, 2: txt files for checking
+  fstream f;      //The IO file name
+  UInt_t  fNumberOfDigits; //Number of VZERO digits
+  ClassDef(AliVZEROBuffer,1)
+};
+
+#endif
-- 
2.39.3