AliFMDSurveyToAlignObjs.h

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#ifndef ALIFMDSURVEYTOALIGNOBJS_H
#define ALIFMDSURVEYTOALIGNOBJS_H
#include <AliSurveyToAlignObjs.h>
#include <TGeoMatrix.h>

// Forward decl
class TVector3;
class TGeoMatrix;
class AliAlignObjParams;

class AliFMDSurveyToAlignObjs : public AliSurveyToAlignObjs
{
public:
  AliFMDSurveyToAlignObjs() : AliSurveyToAlignObjs(),
            fFMD1Delta(0),
            fFMD2Delta(0) {}
  void Run();
  void Run(const char** files);
  Bool_t CreateAlignObjs();

  
  TClonesArray* GetAlignObjArray() const { return fAlignObjArray; }
  
protected:
  Bool_t DoFMD1();
  Bool_t GetFMD1Plane(Double_t* rot, Double_t* trans) const;
  Bool_t DoFMD2();
  Bool_t GetFMD2Plane(Double_t* rot, Double_t* trans) const;
  Double_t GetUnitFactor() const;
  Bool_t   GetPoint(const char* name, TVector3& p, TVector3& e) const;
  Bool_t   CalculatePlane(const     TVector3& a, 
        const     TVector3& b,
        const     TVector3& c,
        Double_t  depth,
        Double_t* trans,
        Double_t* rot) const;
  Bool_t FitPlane(const TObjArray& points, 
      const TObjArray& errors,
      Double_t         depth,
      Double_t*        trans,
      Double_t*        rot) const;
  Bool_t MakeDelta(const TGeoMatrix*  global,
       const Double_t*    rot, 
       const Double_t*    trans,
       TGeoHMatrix& delta) const;
  Bool_t MakeDelta(const char*  path, 
       const Double_t*    rot, 
       const Double_t*    trans,
       TGeoHMatrix& delta) const;
  AliAlignObjParams* CreateDefaultAlignObj(const TString& path, Int_t id=0);
  AliAlignObjParams* FindAlignObj(const TString& path) const;
  Bool_t FillDefaultAlignObjs();

  static void PrintVector(const char* text, const Double_t* v);
  static void PrintVector(const char* text, const TVector3& v);
  static void PrintRotation(const char* text, const Double_t* rot);

  TGeoHMatrix fFMD1Delta; // FMD1 delta transform
  TGeoHMatrix fFMD2Delta; // FMD2 delta transform 
  
  ClassDef(AliFMDSurveyToAlignObjs,0) // Convert FMD survey to alignments
};


#endif
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