New ITSU geometry. Detailed description for the inner barrel, and an improved (with...

[u/mrichter/AliRoot.git] / ITS / UPGRADE / AliITSUv0.h

diff --git a/ITS/UPGRADE/AliITSUv0.h b/ITS/UPGRADE/AliITSUv0.h
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+#ifndef ALIITSVUV0_H
+#define ALIITSVUV0_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+//========================================================================
+//
+//        Geometry for the Upgrade of the Inner Tracking System
+//
+// Mario Sitta (sitta@to.infn.it)
+// Chinorat Kobdaj (kobdaj@g.sut.ac.th)
+//
+//========================================================================
+
+
+// $Id: AliITSUv0.h 
+
+#include "AliITSU.h"
+
+typedef enum {
+  kModelDummy=0,
+  kModel0=1,
+  kModel1=2, 
+  kModel21=3,
+  kModel22=4,
+  kModel3=5,
+} AliITSUModel_t;
+
+
+class  AliITSUv0Layer;
+//class  AliITSv11GeomBeamPipe;
+class  TGeoVolume;
+class  TGeoVolumeAssembly;
+
+class AliITSUv0 : public AliITSU {
+
+ public:
+  AliITSUv0();
+  AliITSUv0(const char *title, const Int_t nlay);
+  virtual       ~AliITSUv0() ;
+  
+  virtual void   AddAlignableVolumes() const;
+  virtual void   CreateGeometry();
+  virtual void   CreateMaterials();
+  virtual void   DefineLayer(Int_t nlay,Double_t phi0,Double_t r,Double_t zlen,Int_t nladd,
+                            Int_t nmod, Double_t lthick=0.,Double_t dthick=0.,UInt_t detType=0);
+  virtual void   DefineLayerTurbo(Int_t nlay,Double_t phi0,Double_t r,Double_t zlen,Int_t nladd,
+                                 Int_t nmod,Double_t width,Double_t tilt,
+                                 Double_t lthick = 0.,Double_t dthick = 0.,UInt_t detType=0, Int_t buildFlag=0);
+  virtual void   GetLayerParameters(Int_t nlay, Double_t &phi0,Double_t &r, Double_t &zlen,
+                                   Int_t &nladd, Int_t &nmod,
+                                   Double_t &width, Double_t &tilt,
+                                   Double_t &lthick, Double_t &mthick,
+                                   UInt_t &dettype) const;
+  virtual void   Init(); 
+  virtual Bool_t IsLayerTurbo(Int_t nlay);
+  virtual Int_t  IsVersion()                 const { return 20;}  // vUpgrade ? do we need this
+  virtual void   SetDefaults();
+  virtual void   StepManager();
+  virtual void   SetLayerDetTypeID(Int_t lr, UInt_t id);
+  virtual Int_t  GetLayerDetTypeID(Int_t lr);
+  virtual void   SetStaveModel(AliITSUModel_t model) {fStaveModel=model;}
+  virtual AliITSUModel_t GetStaveModel() const {return fStaveModel;}
+  //
+ private:
+  AliITSUv0(const AliITSUv0 &source); // copy constructor
+  AliITSUv0& operator=(const AliITSUv0 &source); // assignment operator
+  //
+  Bool_t   *fLayTurbo;       // True for "turbo" layers
+  Double_t *fLayPhi0;        // Vector of layer's 1st ladder phi in lab
+  Double_t *fLayRadii;       // Vector of layer radii
+  Double_t *fLayZLength;     // Vector of layer length along Z
+  Int_t    *fLaddPerLay;     // Vector of number of ladders per layer
+  Int_t    *fModPerLadd;     // Vector of number of modules per ladder
+  Double_t *fLadThick;       // Vector of ladder thicknesses
+  Double_t *fLadWidth;       // Vector of ladder width (only used for turbo)
+  Double_t *fLadTilt;        // Vector of ladder tilt (only used for turbo)
+  Double_t *fDetThick;       // Vector of detector thicknesses
+  UInt_t   *fDetTypeID;      // Vector of detector type id
+  Int_t    *fBuildLevel;     // Vector of Material Budget Studies
+  //  
+  AliITSUv0Layer **fUpGeom; //! Geometry
+  AliITSUModel_t fStaveModel; // The stave model
+  
+  // Parameters for the Upgrade geometry
+  
+  ClassDef(AliITSUv0,0)                          
+};
+ 
+#endif