CbmRichConverter.h

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#ifndef CBM_RICH_CONVERTER
#define CBM_RICH_CONVERTER
 
#include "CbmRichHit.h"
#include "CbmRichRing.h"
#include "CbmRichRingLight.h"
#include "FairRootManager.h"
#include "TClonesArray.h"
 
#include <iostream>
#include <vector>
 
using std::cout;
using std::endl;
using std::vector;
 
class CbmRichConverter {
public:
  static void CopyHitsToRingLight(const CbmRichRing* ring1,
                                  CbmRichRingLight* ring2) {
    if (NULL == fRichHits) { Init(); }
    if (NULL == fRichHits) return;
    int nofHits = ring1->GetNofHits();
    for (int i = 0; i < nofHits; i++) {
      Int_t hitInd    = ring1->GetHit(i);
      CbmRichHit* hit = (CbmRichHit*) fRichHits->At(hitInd);
      if (NULL == hit) continue;
      CbmRichHitLight hl(hit->GetX(), hit->GetY(), hitInd);
      ring2->AddHit(hl);
    }
  }
 
  static void CopyHitsToRingLight(const vector<double>& hitX,
                                  const vector<double>& hitY,
                                  CbmRichRingLight* ring) {
    int nofHits = hitX.size();
    for (int i = 0; i < nofHits; i++) {
      CbmRichHitLight hl(hitX[i], hitY[i]);
      ring->AddHit(hl);
    }
  }
 
  static void CopyParamsToRing(const CbmRichRingLight* ring1,
                               CbmRichRing* ring2) {
    ring2->SetCenterX(ring1->GetCenterX());
    ring2->SetCenterY(ring1->GetCenterY());
    ring2->SetChi2(ring1->GetChi2());
    ring2->SetAaxis(ring1->GetAaxis());
    ring2->SetBaxis(ring1->GetBaxis());
    ring2->SetRadius(ring1->GetRadius());
    ring2->SetPhi(ring1->GetPhi());
  }
 
  static TClonesArray* fRichHits;
 
public:
  static void Init() {
    FairRootManager* ioman = FairRootManager::Instance();
    if (NULL == ioman) {
      cout << "-E- CbmRichConverter::Init, RootManager not instantised!"
           << endl;
      return;
    }
    fRichHits = (TClonesArray*) ioman->GetObject("RichHit");
    if (NULL == fRichHits) {
      cout << "-W- CbmRichConverter::Init, No RichHit array" << endl;
    }
  }
};
 
 
#endif