AliEMCALSurvey.h

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#ifndef ALIEMCALSURVEY_H
#define ALIEMCALSURVEY_H

/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

#include <TObject.h>
#include <Rtypes.h>

class TClonesArray;
class TString;

class AliEMCALGeometry;


class AliEMCALSurvey : public TObject 
{

public:
  
  enum SurveyDataType_t 
  { 
    kSurvey = 0, 
    kDummy  = 1  
  };

  AliEMCALSurvey();
  AliEMCALSurvey(const TString &txtFileName, const SurveyDataType_t dataType=kSurvey);

  virtual ~AliEMCALSurvey();

  // Create AliAlignObjParams for strips.
  void CreateAliAlignObjParams(TClonesArray &array);
  
  // Create AliAlignObjParams with null shifts and rotations.
  void CreateNullObjects(TClonesArray &alObj, const AliEMCALGeometry *geom) const;

  void  SetDataType(const SurveyDataType_t dataType) { fDataType = dataType    ; }
  Int_t GetDataType()                          const { return (Int_t)fDataType ; }

protected:

  struct AliEMCALSuperModuleDelta {
    Float_t fXShift; //x shift
    Float_t fYShift; //y shift
    Float_t fZShift; //z shift
    Float_t fPsi;    //psi
    Float_t fTheta;  //theta
    Float_t fPhi;    //phi
  };

  Int_t                     fNSuperModule;    
  AliEMCALSuperModuleDelta *fSuperModuleData; 

  void InitSuperModuleData(const Double_t *xReal  , const Double_t *yReal    , const Double_t *zReal, 
                           const Double_t *psiReal, const Double_t *thetaReal, const Double_t *phiReal);
  void InitSuperModuleData(const TObjArray* surveypoints);

private:
  
  // Calculate shifts and rotations for supermodule.
  virtual AliEMCALSuperModuleDelta GetSuperModuleTransformation(Int_t smIndex) const;

  AliEMCALSurvey             (const AliEMCALSurvey &);
  AliEMCALSurvey &operator = (const AliEMCALSurvey &);

  Int_t  fDataType; 

  ClassDef(AliEMCALSurvey, 2) ;

};

#endif // ALIEMCALSURVEY_H