#ifndef ALIITSGEOMSPD300_H
#define ALIITSGEOMSPD300_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

#include "AliITSgeomSPD.h"


class TBRIK;
class AliITSgeomSPD300:public AliITSgeomSPD {

 public:
    AliITSgeomSPD300();
    AliITSgeomSPD300(Float_t cy,Int_t Nx,Float_t *bx,Int_t Nz,Float_t *bz);
    AliITSgeomSPD300(AliITSgeomSPD300 &source);
    virtual ~AliITSgeomSPD300();
    AliITSgeomSPD300& operator=(AliITSgeomSPD300 &source);
    TShape *GetShape() {return fShapeSPD;} // returns shape of sensitive volume
    Float_t GetDx() {return fDx;} // returns width of seneitive volume cm
    Float_t GetDy() {return fDy;} // returns thickness of seneitive volume cm
    Float_t GetDz() {return fDz;} // returns lenght of seneitive volume cm
    Int_t   GetNbinsX() {return fNbinx;} // returns number of x pixels
    Float_t GetBinSizeX(Int_t i) {return fBinSizeX[i];} // x pixel size cm
    Int_t   GetNbinsZ() {return fNbinz;}  // number of z pixels
    Float_t GetBinSizeZ(Int_t i) {return fBinSizeZ[i];} // z pixel size cm
    void    ReSetBins(Float_t dy,Int_t Nx, Float_t *bx,Int_t Nz,Float_t *bz);

 private:
    // define shape of active area using ROOT shapes so that they can
    // be easly plotted. Inputs to TBRIK are
    // Shape name (what ever that is)
    // Shape title (what ever that means)
    // name of material (something I took from ITSgeometry.tme file
    // dx => 1/2 thickness of wafer's active volume (cm)
    // dy => 1/2 r*phi size of active volume (cm)
    // dz => 1/2 size of active volume (cm)
    TBRIK   *fShapeSPD;   // Shape of sensitive volume
    Float_t fDx;          // Brick half width cm
    Float_t fDy;          // Brick half thickness cm
    Float_t fDz;          // Brick half length cm
    Int_t   fNbinx;      // Number of pixels in x
    Int_t   fNbinz;      // Number of pixels in z
    Float_t *fBinSizeX;  //[fNbinx] Pixel size in X, cm
    Float_t *fBinSizeZ;  //[fNbinz] Pixel size in Z, cm

    ClassDef(AliITSgeomSPD300,2) // ITS SPD detector geometry class for 300X50 micron pixel size.
};
#endif