// $Id$
-#include "Riostream.h"
#include <math.h>
#include "TObject.h"
#include "TString.h"
+#include "TRotMatrix.h"
class Ali3Vector
{
public:
Ali3Vector(); // Default constructor
virtual ~Ali3Vector(); // Destructor
- virtual void SetVector(Double_t* v,TString f); // Store vector v in frame f
- virtual void GetVector(Double_t* v,TString f); // Provide vector v in frame f
- virtual void SetVector(Float_t* v,TString f); // Store vector v in frame f
- virtual void GetVector(Float_t* v,TString f); // Provide vector v in frame f
- virtual void SetErrors(Double_t* e,TString f); // Store errors of vector in frame f
- virtual void GetErrors(Double_t* e,TString f); // Provide errors of vector in frame f
- virtual void SetErrors(Float_t* e,TString f); // Store errors of vector in frame f
- virtual void GetErrors(Float_t* e,TString f); // Provide errors of vector in frame f
- virtual void Info(TString f="car"); // Print vector components in frame f
+ Ali3Vector(const Ali3Vector& v); // Copy constructor
+ virtual void Load(Ali3Vector& q); // Load all attributes of input Ali3Vector
+ virtual void SetZero(); // (Re)set all attributes to zero.
+ void SetVector(Double_t* v,TString f,TString u="rad"); // Store vector v in frame f with ang units u
+ void GetVector(Double_t* v,TString f,TString u="rad") const; // Provide vector v in frame f in ang units u
+ void SetVector(Float_t* v,TString f,TString u="rad"); // Store vector v in frame f with ang units u
+ void GetVector(Float_t* v,TString f,TString u="rad") const; // Provide vector v in frame f in ang units u
+ void SetErrors(Double_t* e,TString f,TString u="rad"); // Store errors of vector in frame f with ang units u
+ void GetErrors(Double_t* e,TString f,TString u="rad") const; // Provide errors of vector in frame f in ang units u
+ void SetErrors(Float_t* e,TString f,TString u="rad"); // Store errors of vector in frame f with ang units u
+ void GetErrors(Float_t* e,TString f,TString u="rad") const; // Provide errors of vector in frame f in ang units u
+ virtual void Data(TString f="car",TString u="rad") const; // Print vector components in frame f in ang units u
Double_t GetNorm(); // Provide norm of the vector
Double_t Dot(Ali3Vector& q); // Provide dot product with q
Double_t GetPseudoRapidity(); // Provide the pseudorapidity w.r.t z-axis
- Double_t GetResultError(); // Provide error on scalar result (e.g. norm)
- Ali3Vector Cross(Ali3Vector& q); // Provide cross product with q
- Ali3Vector operator+(Ali3Vector& q); // Add vector q
- Ali3Vector operator-(Ali3Vector& q); // Subtract vector q
- Ali3Vector operator*(Double_t s); // Multiply vector with scalar s
- Ali3Vector operator/(Double_t s); // Divide vector by scalar s
+ Double_t GetResultError() const; // Provide error on scalar result (e.g. norm)
+ Ali3Vector Cross(Ali3Vector& q) const; // Provide cross product with q
+ Ali3Vector operator+(Ali3Vector& q) const; // Add vector q
+ Ali3Vector operator-(Ali3Vector& q) const; // Subtract vector q
+ Ali3Vector operator*(Double_t s) const; // Multiply vector with scalar s
+ Ali3Vector operator/(Double_t s) const; // Divide vector by scalar s
Ali3Vector& operator+=(Ali3Vector& q); // Add vector q
Ali3Vector& operator-=(Ali3Vector& q); // Subtract vector q
Ali3Vector& operator*=(Double_t s); // Multiply with scalar s
Ali3Vector& operator/=(Double_t s); // Divide by scalar s
- Ali3Vector GetVecTrans(); // Provide transverse vector w.r.t. z-axis
- Ali3Vector GetVecLong(); // Provide longitudinal vector w.r.t. z-axis
+ Ali3Vector GetVecTrans() const; // Provide transverse vector w.r.t. z-axis
+ Ali3Vector GetVecLong() const; // Provide longitudinal vector w.r.t. z-axis
+ Ali3Vector GetPrimed(TRotMatrix* m) const; // Provide vector components in a rotated frame
+ Ali3Vector GetUnprimed(TRotMatrix* m) const; // Provide original vector components from a rotated one
+ Double_t GetX(Int_t i,TString f,TString u="rad"); // Provide i-th vector component in frame f in units u
+ virtual Double_t GetOpeningAngle(Ali3Vector& q,TString u="rad"); // Provide opening angle with q in units u
protected:
- Double_t fV,fTheta,fPhi; // Vector in spherical coordinates
- Double_t fDx,fDy,fDz; // Errors on Cartesian coordinates
- Double_t fDresult; // Error on scalar result (e.g. norm or dotproduct)
+ Double32_t fV,fTheta,fPhi; // Vector in spherical coordinates
+ Double32_t fDx,fDy,fDz; // Errors on Cartesian coordinates
+ Double32_t fDresult; //! Error on scalar result (e.g. norm or dotproduct)
- ClassDef(Ali3Vector,1) // Handling of 3-vectors in various reference frames.
+ ClassDef(Ali3Vector,11) // Handling of 3-vectors in various reference frames.
};
#endif