ITS/AliITSv11Geometry.h

   1 #ifndef ALIITSV11GEOMETRY_H
   2 #define ALIITSV11GEOMETRY_H
   3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 /*
   7   $Id$
   8  */
   9 #include <TObject.h>
  10 class TGeoArb8;
  11 class TGeoPcon;
  12 class TGeoTube;
  13 class TGeoTubeSeg;
  14 class TGeoConeSeg;
  15 class TGeoBBox;
  16
  17 class AliITSv11Geometry : public TObject {
  18   public:
  19     AliITSv11Geometry(){fDebug=kTRUE;};
  20     AliITSv11Geometry(Bool_t debug){fDebug=debug;};
  21     virtual ~AliITSv11Geometry(){};
  22     //
  23     void SetDebug(){fDebug=kTRUE;}
  24     void SetNoDebug(){fDebug=kFALSE;}
  25     static Double_t RmaxFrom2Points(TGeoPcon *p,Int_t i1,Int_t i2,Double_t z);
  26     static Double_t RminFrom2Points(TGeoPcon *p,Int_t i1,Int_t i2,Double_t z);
  27     static Double_t RFrom2Points(Double_t *p,Double_t *Z,Int_t i1,Int_t i2,
  28                                  Double_t z);
  29     static Double_t Zfrom2MinPoints(TGeoPcon *p,Int_t i1,Int_t i2,Double_t r);
  30     static Double_t Zfrom2MaxPoints(TGeoPcon *p,Int_t i1,Int_t i2,Double_t r);
  31     static Double_t Zfrom2Points(Double_t *Z,Double_t *p,Int_t i1,Int_t i2,
  32                                  Double_t r);
  33     static Double_t RmaxFromZpCone(TGeoPcon *p,int ip,Double_t tc,Double_t z,
  34                                    Double_t th=0.0);
  35     static Double_t RmaxFromZpCone(TGeoPcon *p,Double_t tc,Double_t z,
  36                                    Double_t th=0.0){
  37         return RmaxFromZpCone(p,4,tc,z,th);};
  38     static Double_t RFromZpCone(Double_t *Rmax,Double_t *Z,int ip,Double_t tc,
  39                                 Double_t z,Double_t th=0.0);
  40     static Double_t RmaxFromZpCone(Double_t *Rmax,Double_t *Z,Double_t tc,
  41                                    Double_t z,Double_t th=0.0){
  42         return RFromZpCone(Rmax,Z,4,tc,z,th);};
  43     static Double_t RminFromZpCone(TGeoPcon *p,Int_t ip,Double_t tc,Double_t z,
  44                                    Double_t th=0.0);
  45     static Double_t RminFromZpCone(TGeoPcon *p,Double_t tc,Double_t z,
  46                                    Double_t th=0.0){
  47         return RminFromZpCone(p,3,tc,z,th);};
  48     static Double_t RminFromZpCone(Double_t *Rmin,Double_t *Z,Double_t tc,
  49                                    Double_t z,Double_t th=0.0){
  50         return RFromZpCone(Rmin,Z,3,tc,z,th);};
  51     static Double_t ZFromRmaxpCone(TGeoPcon *p,int ip,Double_t tc,Double_t r,
  52                                    Double_t th=0.0);
  53     static Double_t ZFromRmaxpCone(TGeoPcon *p,Double_t tc,Double_t r,
  54                                    Double_t th=0.0)
  55         {return ZFromRmaxpCone(p,4,tc,r,th);};
  56     static Double_t ZFromRmaxpCone(Double_t *GetRmax,Double_t *GetZ,Int_t ip,
  57                                    Double_t tc,Double_t r,Double_t th=0.0);
  58     static Double_t ZFromRmaxpCone(Double_t *GetRmax,Double_t *GetZ,
  59                                    Double_t tc,Double_t r,Double_t th=0.0){
  60         return ZFromRmaxpCone(GetRmax,GetZ,4,tc,r,th);};
  61     static Double_t ZFromRminpCone(TGeoPcon *p,int ip,Double_t tc,Double_t r,
  62                                    Double_t th=0.0);
  63     static Double_t ZFromRminpCone(TGeoPcon *p,Double_t tc,Double_t r,
  64                                    Double_t th=0.0)
  65         {return ZFromRminpCone(p,3,tc,r,th);};
  66     static void InsidePoint(TGeoPcon *p,Int_t i1,Int_t i2,Int_t i3,
  67                             Double_t Cthick,TGeoPcon *q,Int_t j1,Bool_t max);
  68     static void InsidePoint(Double_t x0,Double_t y0,Double_t x1,Double_t y1,
  69                             Double_t x2,Double_t y2,Double_t c,
  70                             Double_t &x,Double_t &y);
  71     static void RadiusOfCurvature(Double_t rc,Double_t theta0,Double_t z0,
  72                                   Double_t r0,Double_t theta1,Double_t &z1,
  73                                   Double_t &r1);
  74     void printArb8(TGeoArb8 *A);
  75     void printPcon(TGeoPcon *A);
  76     void printTube(TGeoTube *A);
  77     void printTubeSeg(TGeoTubeSeg *A);
  78     void printConeSeg(TGeoConeSeg *A);
  79     void printBBox(TGeoBBox *A);
  80     Bool_t GetDebug(){return fDebug;}
  81
  82   private:
  83     Bool_t fDebug; //! Debug flag
  84     ClassDef(AliITSv11Geometry,1) // Base class for ITS v11 geometry
  85 };
  86
  87
  88 // Units, Convert from k?? to cm,degree,GeV,seconds,
  89 const Double_t kmm = 0.10; // Convert mm to TGeom's cm.
  90 const Double_t kcm = 1.00; // Convert cv to TGeom's cm.
  91 const Double_t kDegree = 1.0; // Convert degrees to TGeom's degrees
  92 const Double_t kRadian = TMath::DegToRad(); // conver to Radians
  93
  94 #endif