[u/mrichter/AliRoot.git] / ALIFAST / AliFDet.h

#ifndef AliFDet_H
#define AliFDet_H
////////////////////////////////////////////////////////////////////////////
//                                                                        //
// AliFast Detector Class                                                 //
//                                                                        //
// to provide information of effective material (X/Xo) of the detector    //
// needed for the multiple scattering formula used in AliFTrackMaker.     // 
//                                                                        // 
// the number and dimensions of cylindrical layers of material are        //
// initialised here for the TP status and are to be updated accordingly.  //
//                                                                        //
// this class is replacing the "init_geometry" routine of program "res.f  //
//                                                                        // 
////////////////////////////////////////////////////////////////////////////

//#ifndef ROOT_TObject
#include <TNamed.h>
//#endif

enum { kNMaxDet  = 100 };
enum { kNMaxDet2 = 200 };


class AliFDet : public TNamed {

public:
                  AliFDet() {}
                  AliFDet(const char *name, const char *title);
   virtual       ~AliFDet() {}

   // Initialise parameters for detector geometry
   void           InitDetParam();
   void           PrintDetInfo();


   // Getters
   Double_t        RDet(Int_t idDet) const {return fRDet[idDet];}         
   Double_t        RDetSQ(Int_t idDet) const {return fRDetSQ[idDet];}     
   Double_t        ThickDet(Int_t idDet) const {return fThickDet[idDet];}    
   Double_t        ErrorRPhi(Int_t idDet) const {return fErrorRPhi[idDet];}  
   Double_t        ErrorZ(Int_t idDet) const {return fErrorZ[idDet];}     
   Double_t        ErrorR(Int_t idDet) const {return fErrorR[idDet];} 
   Int_t           IFlagDet(Int_t idDet) const {return fIFlagDet[idDet];}   
   Int_t           IFlagGas(Int_t idDet) const {return fIFlagGas[idDet];}   
   Double_t        ErrorVertexX() const {return fErrorVertexX;} 
   Double_t        ErrorVertexY() const {return fErrorVertexY;} 
   Double_t        ErrorVertexZ() const {return fErrorVertexZ;} 
   Double_t        BMag() const {return fBMag;}                  
   Double_t        ConstMag() const {return fConstMag;}         
   Int_t           NDetActive() const {return fNDetActive;}      
   Int_t           NDet() const {return fNDet;}                 

  
private:
   //geometry parameters
   Double_t        fRDet[kNMaxDet];         // radius of detector material in cm
   Double_t        fRDetSQ[kNMaxDet];       // and the sq root of it
   Double_t        fThickDet[kNMaxDet];     // thickness divided by Xo
   //errors due to detector precision plus alignement given by groups. 
   //they are momentum dependent; for TPC are calculated properly.
   Double_t        fErrorRPhi[kNMaxDet];    // error in bending direction
   Double_t        fErrorZ[kNMaxDet];       // error in z direction
   Double_t        fErrorR[kNMaxDet];       // error in r direction,from alignement only 
   Int_t           fIFlagDet[kNMaxDet];     // 1: sensitive detector 
                                            // 2: errors will be calculated
   Int_t           fIFlagGas[kNMaxDet];     // for gas detectors  
   //vertex precision calculated for particle multiplicity mult_density
   //high multiplicity results in optimistic errors for vertex   
   Double_t        fErrorVertexX;           // vertex precision in x
   Double_t        fErrorVertexY;           // vertex precision in y
   Double_t        fErrorVertexZ;           // vertex precision in z
   Double_t        fBMag;                   // magnetic field in KGauss
   Double_t        fConstMag;               // Constant Magnetic Field flag
   Int_t           fNDetActive;             // n. of active detector layers
   Int_t           fNDet;                   // n. of detectors layers


   ClassDef(AliFDet,1)   //AliFast Detector intialisation for AliFTrackMaker
};

#endif
Commit	Line	Data
65a39007	1	#ifndef AliFDet_H
	2	#define AliFDet_H
	3	////////////////////////////////////////////////////////////////////////////
	4	// //
	5	// AliFast Detector Class //
	6	// //
	7	// to provide information of effective material (X/Xo) of the detector //
	8	// needed for the multiple scattering formula used in AliFTrackMaker. //
	9	// //
	10	// the number and dimensions of cylindrical layers of material are //
	11	// initialised here for the TP status and are to be updated accordingly. //
	12	// //
	13	// this class is replacing the "init_geometry" routine of program "res.f //
	14	// //
	15	////////////////////////////////////////////////////////////////////////////
	16
	17	//#ifndef ROOT_TObject
	18	#include <TNamed.h>
	19	//#endif
	20
	21	enum { kNMaxDet = 100 };
	22	enum { kNMaxDet2 = 200 };
	23
	24
	25	class AliFDet : public TNamed {
09af0662	26
	27	public:
	28	AliFDet() {}
	29	AliFDet(const char name, const char title);
	30	virtual ~AliFDet() {}
	31
	32	// Initialise parameters for detector geometry
	33	void InitDetParam();
	34	void PrintDetInfo();
	35
	36
	37	// Getters
	38	Double_t RDet(Int_t idDet) const {return fRDet[idDet];}
	39	Double_t RDetSQ(Int_t idDet) const {return fRDetSQ[idDet];}
	40	Double_t ThickDet(Int_t idDet) const {return fThickDet[idDet];}
	41	Double_t ErrorRPhi(Int_t idDet) const {return fErrorRPhi[idDet];}
	42	Double_t ErrorZ(Int_t idDet) const {return fErrorZ[idDet];}
	43	Double_t ErrorR(Int_t idDet) const {return fErrorR[idDet];}
	44	Int_t IFlagDet(Int_t idDet) const {return fIFlagDet[idDet];}
	45	Int_t IFlagGas(Int_t idDet) const {return fIFlagGas[idDet];}
	46	Double_t ErrorVertexX() const {return fErrorVertexX;}
	47	Double_t ErrorVertexY() const {return fErrorVertexY;}
	48	Double_t ErrorVertexZ() const {return fErrorVertexZ;}
	49	Double_t BMag() const {return fBMag;}
	50	Double_t ConstMag() const {return fConstMag;}
	51	Int_t NDetActive() const {return fNDetActive;}
	52	Int_t NDet() const {return fNDet;}
	53
65a39007	54
	55	private:
	56	//geometry parameters
	57	Double_t fRDet[kNMaxDet]; // radius of detector material in cm
	58	Double_t fRDetSQ[kNMaxDet]; // and the sq root of it
	59	Double_t fThickDet[kNMaxDet]; // thickness divided by Xo
	60	//errors due to detector precision plus alignement given by groups.
	61	//they are momentum dependent; for TPC are calculated properly.
	62	Double_t fErrorRPhi[kNMaxDet]; // error in bending direction
	63	Double_t fErrorZ[kNMaxDet]; // error in z direction
	64	Double_t fErrorR[kNMaxDet]; // error in r direction,from alignement only
	65	Int_t fIFlagDet[kNMaxDet]; // 1: sensitive detector
	66	// 2: errors will be calculated
	67	Int_t fIFlagGas[kNMaxDet]; // for gas detectors
	68	//vertex precision calculated for particle multiplicity mult_density
	69	//high multiplicity results in optimistic errors for vertex
	70	Double_t fErrorVertexX; // vertex precision in x
	71	Double_t fErrorVertexY; // vertex precision in y
	72	Double_t fErrorVertexZ; // vertex precision in z
	73	Double_t fBMag; // magnetic field in KGauss
09af0662	74	Double_t fConstMag; // Constant Magnetic Field flag
65a39007	75	Int_t fNDetActive; // n. of active detector layers
	76	Int_t fNDet; // n. of detectors layers
	77
65a39007	78
	79	ClassDef(AliFDet,1) //AliFast Detector intialisation for AliFTrackMaker
	80	};
	81
	82	#endif
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