[u/mrichter/AliRoot.git] / ITS / AliITSglobalRecPoint.h

#ifndef ALIITSGLOBALRECPOINT_H
#define ALIITSGLOBALRECPOINT_H

#include <TObject.h>

class AliITSglobalRecPoint : public TObject {

	public:
			
		AliITSglobalRecPoint();
      AliITSglobalRecPoint(Double_t gx, Double_t gy, Double_t gz, Double_t gsx, Double_t gsy, Double_t gsz, Int_t l);
		
		virtual ~AliITSglobalRecPoint() { }
		
		// difference in azymuthal angle
		Double_t DPhi  (AliITSglobalRecPoint *p); 
		// difference in polar angle
		Double_t DTheta(AliITSglobalRecPoint *p); 
		// checks if the pt contains a given positive label
		Bool_t   HasID (Int_t ID)      
		{ if (ID < 0) return kFALSE; else return (fLabel[0]==ID || fLabel[1]==ID || fLabel[2]==ID); }
		// checks if the pt shares at least a positive label with another one
		Bool_t   SharesID(AliITSglobalRecPoint *p) 
		{ return (HasID(p->fLabel[0]) || HasID(p->fLabel[1]) || HasID(p->fLabel[2])); }
		
		// Parameters for sorting
		Bool_t  IsSortable() const { return kTRUE; }
		Int_t   Compare(const TObject *O) const;
		
	public:
			
		Double_t fGX, fGY, fGZ; // (x,y,z) in the global reference
			
		Double_t fR2;    // = sqrt(x^2 + y^2)
		Double_t fR3;    // = sqrt(x^2 + y^2 + z^2)
		Double_t fPhi;   // = atan(y/x)
		Double_t fTheta; // = acos(z/r3)
		
		Double_t fGSX; //
		Double_t fGSY; // sigmas of global coords
		Double_t fGSZ; //
		
		Int_t fModule;      // ITS module containing the point
		Int_t fPosInModule; // position in TClonesArray of TreeR
		Int_t fLayer;       // ITS layer containing the point
		Int_t fLabel[3];    // Generated tracks containing the point
		Int_t fKalmanLabel; // Kalman recognized track containing the point
		
		Int_t fSign;        //   0 if the point doesn't belong to a Kalman track
		                    // + 1 if the point belongs to a Kalman good track
		                    // - 1 if the point belongs to a Kalman fake track
		
		Int_t fUsed;        // a flag to avoid point recycling
		
		ClassDef(AliITSglobalRecPoint, 1) // AliITSglobalRecPoints class
};

#endif
Commit	Line	Data
1f26c323	1	#ifndef ALIITSGLOBALRECPOINT_H
	2	#define ALIITSGLOBALRECPOINT_H
	3
f42b3fdd	4	#include <TObject.h>
f42b3fdd	5
1f26c323	6	class AliITSglobalRecPoint : public TObject {
	7
	8	public:
	9
	10	AliITSglobalRecPoint();
	11	AliITSglobalRecPoint(Double_t gx, Double_t gy, Double_t gz, Double_t gsx, Double_t gsy, Double_t gsz, Int_t l);
	12
	13	virtual ~AliITSglobalRecPoint() { }
	14
	15	// difference in azymuthal angle
	16	Double_t DPhi (AliITSglobalRecPoint *p);
	17	// difference in polar angle
	18	Double_t DTheta(AliITSglobalRecPoint *p);
	19	// checks if the pt contains a given positive label
	20	Bool_t HasID (Int_t ID)
	21	{ if (ID < 0) return kFALSE; else return (fLabel[0]==ID \|\| fLabel[1]==ID \|\| fLabel[2]==ID); }
	22	// checks if the pt shares at least a positive label with another one
	23	Bool_t SharesID(AliITSglobalRecPoint *p)
	24	{ return (HasID(p->fLabel[0]) \|\| HasID(p->fLabel[1]) \|\| HasID(p->fLabel[2])); }
	25
	26	// Parameters for sorting
	27	Bool_t IsSortable() const { return kTRUE; }
	28	Int_t Compare(const TObject *O) const;
	29
	30	public:
	31
	32	Double_t fGX, fGY, fGZ; // (x,y,z) in the global reference
	33
	34	Double_t fR2; // = sqrt(x^2 + y^2)
	35	Double_t fR3; // = sqrt(x^2 + y^2 + z^2)
	36	Double_t fPhi; // = atan(y/x)
	37	Double_t fTheta; // = acos(z/r3)
	38
	39	Double_t fGSX; //
	40	Double_t fGSY; // sigmas of global coords
	41	Double_t fGSZ; //
	42
	43	Int_t fModule; // ITS module containing the point
	44	Int_t fPosInModule; // position in TClonesArray of TreeR
	45	Int_t fLayer; // ITS layer containing the point
	46	Int_t fLabel[3]; // Generated tracks containing the point
	47	Int_t fKalmanLabel; // Kalman recognized track containing the point
	48
	49	Int_t fSign; // 0 if the point doesn't belong to a Kalman track
	50	// + 1 if the point belongs to a Kalman good track
	51	// - 1 if the point belongs to a Kalman fake track
	52
	53	Int_t fUsed; // a flag to avoid point recycling
	54
	55	ClassDef(AliITSglobalRecPoint, 1) // AliITSglobalRecPoints class
	56	};
	57
	58	#endif