// @(#) $Id$

#ifndef ALIHLTTPCDISPLAY_H
#define ALIHLTTPCDISPLAY_H

/** \class AliHLTTPCDisplay
<pre>
//_____________________________________________________________
// AliHLTTPCDisplay
//
// Display class for the HLT TPC events.
</pre>
*/
// Author: Jochen Thaeder <mailto:thaeder@kip.uni-heidelberg.de>
//         Anders Vestbo <mailto:vestbo@fi.uib.no>
//*-- Copyright &copy ALICE HLT Group 

#include <TGeometry.h>
#include <TObject.h>
#include <TCanvas.h>
#include <TH2.h>

class AliHLTTPCSpacePointData;
class AliHLTTPCTrackArray;

class AliHLTTPCDisplay : public TObject {

 public:
  AliHLTTPCDisplay(Char_t *gfile="$(ALIHLT_BASEDIR)/geo/alice.geom");
  virtual ~AliHLTTPCDisplay();

  // SETUP
  void SetupHistPadRow();
  void SetupCluster(Int_t slice, Int_t patch, UInt_t nofClusters, AliHLTTPCSpacePointData* data);
  void SetupTracks(AliHLTTPCTrackArray *tracks);

  
  void FillPadRow(Int_t patch, ULong_t dataBlock, ULong_t dataLen);
  void ResetHistPadRow();

  // DRAWER
  void Draw3D();
  void DrawHistPadRow(); 
  void DrawGeomSector(Int_t sector);
  void DrawHistPad1();
  void DrawHistPad2();
  void DrawHistPad3();
 
  // SETTER  
  void SetSliceArray();
  void SetSlices(){fMinSlice = 0; fMaxSlice = 35; fSlicePair = kFALSE; SetSliceArray();}
  void SetSlices(Int_t s){fMinSlice = s; fMaxSlice = s; fSlicePair = kFALSE; SetSliceArray();}
  void SetSlices(Int_t mins, Int_t maxs){fMinSlice = mins; fMaxSlice = maxs; fSlicePair = kFALSE; SetSliceArray();}
  void SetSlicesPair(Int_t s){fMinSlice = s; fMaxSlice = s; fSlicePair = kTRUE; SetSliceArray();}
  void SetSlicesPair(Int_t mins, Int_t maxs){fMinSlice = mins; fMaxSlice = maxs; fSlicePair = kTRUE; SetSliceArray();}
  void SetPad(Int_t f){fPad = f;}
  void SetPadRow(Int_t f){fPadRow = f;}
  void SetSlicePadRow(Int_t f){fSlicePadRow = f;}
  void SetMinHits(Int_t f){fMinHits = f;}
  void SetPtThreshold(Float_t f){fPtThreshold = f;}
  void SetSwitches(Bool_t f1, Bool_t f2, Bool_t f3, Bool_t f4) {fSwitch3DTracks = f1; fSwitch3DCluster = f2; fSwitch3DPadRow = f3; fSwitch3DGeometry = f4;} 
  void SetHistPadRowAxis();
  void SetSelectTrack(Int_t f) {fSelectTrack = f;}
  void SetSelectTrackSlice(Int_t f) {fSelectTrackSlice = f;}
  void SetSelectTrackSwitch(Bool_t f) {fSelectTrackSwitch = f;}
  void SetSelectCluster(Int_t f) {fSelectCluster = f;}
  void SetInvert() {Int_t tmp = fBackColor; fBackColor = fLineColor; fLineColor = tmp; }
  void SetKeepView(Bool_t f){fKeepView = f;} 

  // GETTER
  Int_t GetPadRow(){return fPadRow;}
  Int_t GetSlicePadRow(){return fSlicePadRow;}
  Int_t GetNPads(){return fNPads;}
  Int_t GetBackColor() {return fBackColor;}

  private:
  Bool_t LoadGeometrie(Char_t *gfile);

  AliHLTTPCDisplay(const AliHLTTPCDisplay &/*d*/):TObject(){;}
  AliHLTTPCDisplay& operator=(const AliHLTTPCDisplay &/*d*/){return *this;}

  AliHLTTPCSpacePointData *fClusters[36][6]; 
  AliHLTTPCTrackArray *fTracks; 

  UInt_t fNcl[36][6];//number of cluster

  TH1F *fHistrawcl;  // histogram for cluster in padrow
  TH2F *fHistraw;    // histogram for signals in padrow
  TH1F *fHistpad1;   // histogram for pad in padrow
  TH1F *fHistpad2;   // histogram for pad in padrow
  TH1F *fHistpad3;   // histogram for pad in padrow

  TGeometry *fGeom;  // geometry
  Int_t fBackColor;  // Background color
  Int_t fLineColor;  // Line color
  Bool_t fKeepView;  // Keep View when redisplaying

  Int_t fPad;        // pad
  Int_t fPadRow;     // padrow
  Int_t fSlicePadRow;// slice where padrow is in
  Int_t fNPads;      // number of pads in padrow
  Int_t fNTimes;     // number of timebins
  Int_t fMinHits;    // minimum cluster per track
  Float_t fPtThreshold;// pt threshold for tracks

  Bool_t fSelectTrackSwitch;// switch ti single track mode
  Int_t fSelectTrack;// select single track
  Int_t fSelectTrackSlice; // select slice for single track

  Int_t fSelectCluster; // select all=0, used=1, unused=2 cluster

  Int_t fMinSlice;   //min slice
  Int_t fMaxSlice;   //max slice
  Bool_t fSlicePair; //draw pair of slices;
  Bool_t fSliceArray[36];//Array if slice should be drawn or not

  Bool_t fDrawGeo;
  Int_t fcolorbin[20]; // number of entries per colorbin
  Int_t fbinct[20];    // index of colorbin
  Float_t *fpmarr[20]; // contains point data

  Bool_t fSwitch3DCluster;
  Bool_t fSwitch3DTracks;
  Bool_t fSwitch3DPadRow;
  Bool_t fSwitch3DGeometry;

  ClassDef(AliHLTTPCDisplay,1) //Display class
};

#endif