#ifndef ALIITSSEGMENTATION_H #define ALIITSSEGMENTATION_H #include class TF1; class AliITSgeom; //---------------------------------------------- // // ITS segmentation virtual base class // class AliITSsegmentation : public TObject { public: virtual ~AliITSsegmentation() {} // Set Detector Segmentation Parameters // // Detector size virtual void SetDetSize(Float_t Dx, Float_t Dz, Float_t Dy) {} // Cell size virtual void SetPadSize(Float_t p1, Float_t p2) {} // Maximum number of cells along the two coordinates virtual void SetNPads(Int_t p1, Int_t p2) {} // Returns the maximum number of cells (digits) posible virtual Int_t GetNPads(){return 0;} // Set angles - find a generic name fit for other detectors as well // might be useful for beam test setups (3 angles ?) virtual void SetAngles(Float_t p1, Float_t p2) {} // Set layer virtual void SetLayer(Int_t l) {} // Transform from real to cell coordinates virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &ix,Int_t &iz) {} // Transform from cell to real coordinates virtual void GetPadCxz(Int_t ix, Int_t iz, Float_t &x ,Float_t &z ) {} // Transform from real global to local coordinates virtual void GetLocal(Int_t module,Float_t *g ,Float_t *l) {} // Transform from real local to global coordinates virtual void GetGlobal(Int_t module,Float_t *l ,Float_t *g) {} // Local transformation of real local coordinates - virtual void GetPadTxz(Float_t &x ,Float_t &z) {} // Transformation from Geant cm detector center local coordinates // to detector segmentation/cell coordiantes starting from (0,0). virtual void LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz){} // Transformation from detector segmentation/cell coordiantes starting // from (0,0) to Geant cm detector center local coordinates. virtual void DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z){} // Initialisation virtual void Init() {} // // Get member data // // Detector type geometry virtual AliITSgeom* Geometry() {return 0;} // Detector length virtual Float_t Dx() {return 0.;} // Detector width virtual Float_t Dz() {return 0.;} // Detector thickness virtual Float_t Dy() {return 0.;} // Cell size in x virtual Float_t Dpx(Int_t) {return 0.;} // Cell size in z virtual Float_t Dpz(Int_t) {return 0.;} // Maximum number of Cells in x virtual Int_t Npx() {return 0;} // Maximum number of Cells in z virtual Int_t Npz() {return 0;} // Layer virtual Int_t GetLayer() const {return 0;} // Angles virtual void Angles(Float_t &, Float_t&) {} // Set cell position virtual void SetPad(Int_t, Int_t) {} // Set hit position virtual void SetHit(Float_t, Float_t) {} // // Iterate over cells // Initialiser virtual void FirstPad (Float_t xhit, Float_t zhit, Float_t dx, Float_t dz) {} // Stepper virtual void NextPad() {} // Condition virtual Int_t MorePads() {return 0;} // // Get next neighbours virtual void Neighbours(Int_t iX, Int_t iZ, Int_t* Nlist, Int_t Xlist[10], Int_t Zlist[10]) {} // // Current cell cursor during disintegration // x-coordinate virtual Int_t Ix() {return 0;} // z-coordinate virtual Int_t Iz() {return 0;} // // Signal Generation Condition during Stepping virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z) {return 0;} // Initialise signal generation at coord (x,y,z) virtual void SigGenInit(Float_t x, Float_t y, Float_t z) {} // Current integration limits virtual void IntegrationLimits (Float_t& x1, Float_t& x2, Float_t& z1, Float_t& z2) {} // Test points for auto calibration virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *z) {} // Function for systematic corrections // Set the correction function virtual void SetCorrFunc(Int_t, TF1*) {} // Get the correction Function virtual TF1* CorrFunc(Int_t) {return 0;} ClassDef(AliITSsegmentation,1) //Segmentation virtual base class }; #endif