+ static const Int_t fgkNsect; // Number of sectors in the full detector (18)
+ static const Int_t fgkNplan; // Number of planes of the TRD (6)
+ static const Int_t fgkNcham; // Number of chambers in z-direction (5)
+ static const Int_t fgkNdet; // Total number of detectors (18 * 6 * 5 = 540)
+
+ static const Float_t fgkTlength; // Length of the TRD-volume in spaceframe (BTRD)
+
+ static const Float_t fgkSheight; // Height of the supermodule
+ static const Float_t fgkSwidth1; // Lower width of the supermodule
+ static const Float_t fgkSwidth2; // Upper width of the supermodule
+ static const Float_t fgkSlength; // Length of the supermodule
+
+ static const Float_t fgkFlength; // Length of the service space in front of a supermodule
+
+ static const Float_t fgkSMpltT; // Thickness of the super module side plates
+
+ static const Float_t fgkCraH; // Height of the radiator part of the chambers
+ static const Float_t fgkCdrH; // Height of the drift region of the chambers
+ static const Float_t fgkCamH; // Height of the amplification region of the chambers
+ static const Float_t fgkCroH; // Height of the readout of the chambers
+ static const Float_t fgkCH; // Total height of the chambers
+
+ static const Float_t fgkVspace; // Vertical spacing of the chambers
+ static const Float_t fgkHspace; // Horizontal spacing of the chambers
+ static const Float_t fgkVrocsm; // Radial distance of the first ROC to the outer SM plates
+ static const Float_t fgkCalT; // Thickness of the lower aluminum frame
+ static const Float_t fgkCalW; // Width of additional aluminum on lower frame
+ static const Float_t fgkCclsT; // Thickness of the lower Wacosit frame sides
+ static const Float_t fgkCclfT; // Thickness of the lower Wacosit frame front
+ static const Float_t fgkCglT; // Thichness of the glue around the radiator
+ static const Float_t fgkCcuT; // Thickness of the upper Wacosit frame
+ static const Float_t fgkCauT; // Thickness of the aluminum frame of the back panel
+
+ static const Float_t fgkCroW; // Additional width of the readout chamber frames
+
+ static const Float_t fgkCpadW; // Difference of outer chamber width and pad plane width
+ static const Float_t fgkRpadW; // Difference of outer chamber width and pad plane width
+
+ static const Float_t fgkMyThick; // Thickness of the mylar-layer
+ static const Float_t fgkRaThick; // Thickness of the radiator
+ static const Float_t fgkXeThick; // Thickness of the gas volume
+ static const Float_t fgkDrThick; // Thickness of the drift region
+ static const Float_t fgkAmThick; // Thickness of the amplification region
+ static const Float_t fgkWrThick; // Thickness of the wire planes
+ static const Float_t fgkCuThick; // Thickness of the pad plane
+ static const Float_t fgkGlThick; // Thickness of the glue layer
+ static const Float_t fgkSuThick; // Thickness of the NOMEX support structure
+ static const Float_t fgkRpThick; // Thickness of the PCB readout boards
+ static const Float_t fgkRcThick; // Thickness of the PCB copper layers
+ static const Float_t fgkRoThick; // Thickness of all other ROB componentes (caps, etc.)
+
+ static const Float_t fgkRaZpos; // Position of the radiator
+ static const Float_t fgkDrZpos; // Position of the drift region
+ static const Float_t fgkAmZpos; // Position of the amplification region
+ static const Float_t fgkWrZpos; // Position of the wire planes
+ static const Float_t fgkCuZpos; // Position of the pad plane
+ static const Float_t fgkGlZpos; // Position of the glue layer
+ static const Float_t fgkSuZpos; // Position of the HEXCEL+G10 support structure
+ static const Float_t fgkRpZpos; // Position of the PCB readout boards
+ static const Float_t fgkRcZpos; // Position of the PCB copper layers
+ static const Float_t fgkRoZpos; // Position of all other ROB componentes (caps, etc.)
+
+ static const Int_t fgkMCMmax; // Maximum number of MCMs per ROB
+ static const Int_t fgkMCMrow; // Maximum number of MCMs per ROB Row
+ static const Int_t fgkROBmaxC0; // Maximum number of ROBs per C0 chamber
+ static const Int_t fgkROBmaxC1; // Maximum number of ROBs per C1 chamber
+ static const Int_t fgkADCmax; // Maximum number of ADC channels per MCM
+ static const Int_t fgkTBmax; // Maximum number of Time bins
+ static const Int_t fgkPadmax; // Maximum number of pads per MCM
+ static const Int_t fgkColmax; // Maximum number of pads per padplane row
+ static const Int_t fgkRowmaxC0; // Maximum number of Rows per C0 chamber
+ static const Int_t fgkRowmaxC1; // Maximum number of Rows per C1 chamber
+
+ Char_t fSMstatus[kNsect]; // Super module status byte
+
+ Float_t fCwidth[kNplan]; // Outer widths of the chambers
+ Float_t fClength[kNplan][kNcham]; // Outer lengths of the chambers
+
+ Float_t fRotB11[kNsect]; // Matrix elements for the backward rotation
+ Float_t fRotB12[kNsect]; // Matrix elements for the backward rotation
+ Float_t fRotB21[kNsect]; // Matrix elements for the backward rotation
+ Float_t fRotB22[kNsect]; // Matrix elements for the backward rotation
+
+ static const Double_t fgkTime0Base; // Base value for calculation of Time-position of pad 0
+ static const Float_t fgkTime0[kNplan]; // Time-position of pad 0
+
+ Float_t fChamberUAorig[3*kNdets][3]; // Volumes origin in
+ Float_t fChamberUDorig[3*kNdets][3]; // the chamber
+ Float_t fChamberUForig[3*kNdets][3]; // [3] = x, y, z
+ Float_t fChamberUUorig[3*kNdets][3]; //
+
+ Float_t fChamberUAboxd[3*kNdets][3]; // Volumes box
+ Float_t fChamberUDboxd[3*kNdets][3]; // dimensions (half)
+ Float_t fChamberUFboxd[3*kNdets][3]; // [3] = x, y, z
+ Float_t fChamberUUboxd[3*kNdets][3]; //
+
+ TObjArray *fClusterMatrixArray; //! Transformation matrices loc. cluster to tracking cs
+ TObjArray *fPadPlaneArray; //! Array of pad plane objects
+
+ ClassDef(AliTRDgeometry,16) // TRD geometry class