//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//     FairTask for creation of laser-beams in the TPC
//     Laser Grid I/O is supplied by TpcLaserGrid
//     See "TpcLaser.h" for information on the Lasers
//     PrimaryClusters created are APPENDED 
//     to the existing input array!
//     
//
//
// Environment:
//      Software developed for the GEM-TPC detector
//
// Author List:
//      Felix Boehmer        TUM            (original author)
//
//
//-----------------------------------------------------------

#ifndef TPCLASERTASK_H
#define TPCLASERTASK_H

// Base Class Headers ---------------------------------------
#include "FairTask.h"

// External Headers -----------------------------------------
#include <vector> 
#include "TVector3.h"


class TpcLaser;
class TClonesArray;
class TpcDigiPar;

class TpcLaserTask : public FairTask {

 public:

// Constructors ---------------------------------------------
  TpcLaserTask();
  ~TpcLaserTask();

// ----------------------------------------------------------
  virtual InitStatus Init();
  virtual void Exec(Option_t* opt);
  virtual void SetParContainers();
  void SetPersistence(Bool_t opt=kTRUE) {fpersistence=kTRUE;}  //write out TpcLaser objects


 private:

  TClonesArray* fprimArray;
  TClonesArray* flaserArray;
  bool fpersistence;
  double fstartX,fstartY,fstartZ,fdirX,fdirY,fdirZ,fiondens,fwidth,ftime;
  unsigned int addCounter, NEcount;

  double fzMin,fzMax,frMin,frMax;

  TpcDigiPar* fpar;
  
  
public:
  ClassDef(TpcLaserTask,3)

};

#endif