X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSsegmentationSSD.h;h=6c38737ca78c0b4403893381d4c0593e3e7a337f;hb=6551594bacbfb878bf120d44d6bf9e5aff4675ad;hp=74332009f5c4459c156712c0190a7f3ed045c8a5;hpb=aacedc3e54091806a9c6d356fd7f582df59fd73f;p=u%2Fmrichter%2FAliRoot.git

diff --git a/ITS/AliITSsegmentationSSD.h b/ITS/AliITSsegmentationSSD.h
index 74332009f5c..6c38737ca78 100644
--- a/ITS/AliITSsegmentationSSD.h
+++ b/ITS/AliITSsegmentationSSD.h
@@ -5,12 +5,13 @@
 
 // segmentation for SSD
 
+/* $Id$ */
+
 class AliITSsegmentationSSD :
 public AliITSsegmentation {
  public:
 
-    AliITSsegmentationSSD();
-    AliITSsegmentationSSD(AliITSgeom *gm);
+    AliITSsegmentationSSD(Option_t *opt="");
     AliITSsegmentationSSD(const AliITSsegmentationSSD &source);
     virtual ~AliITSsegmentationSSD(){}
     AliITSsegmentationSSD& operator=(const AliITSsegmentationSSD &source);
@@ -27,21 +28,15 @@ public AliITSsegmentation {
 
 
     // Set stereo angles Pside-Nside 
-    virtual void    SetAngles(Float_t pa=0.0175, Float_t na=0.0175) 
-                         {fStereoPl5=pa; fStereoNl5=na;
-			 fStereoPl6=na; fStereoNl6=pa;}
-
-    virtual void    SetAnglesLay5(Float_t pa=0.0075, Float_t na=0.0275) 
-                         {fStereoPl5=pa; fStereoNl5=na;}
-
-    virtual void    SetAnglesLay6(Float_t pa=0.0275, Float_t na=0.0075) 
-                         {fStereoPl6=pa; fStereoNl6=na;}
+    virtual void    SetAngles(Float_t pa=0.0075, Float_t na=0.0275) 
+                         {fStereoP=pa; fStereoN=na;}
 
     // Set stereo angles Pside-Nside 
     // Transform from real coordinates to strips
     virtual void    GetPadIxz(Float_t x ,Float_t z ,Int_t   &iP,Int_t  &iN) const;
     // Transform from strips to real coordinates
-    virtual void    GetPadCxz(Int_t iP, Int_t iN, Float_t &x , Float_t &z) const;
+            void    GetPadCxz(Float_t iP, Float_t iN, Float_t &x , Float_t &z) const;
+    virtual void    GetPadCxz(Int_t iP, Int_t iN, Float_t &x , Float_t &z) const { GetPadCxz((Float_t) iP, (Float_t) iN, x, z); }
     virtual void    GetPadTxz(Float_t &x , Float_t &z) const;
     // Transformation from Geant cm detector center local coordinates
     // to detector P and N side strip numbers..
@@ -50,11 +45,16 @@ public AliITSsegmentation {
     // from 0. iPN=0 for P side and 1 for N side strip. Returned is z=0.0
     // and the corresponding x value..
     virtual void    DetToLocal(Int_t ix,Int_t iPN,Float_t &x,Float_t &z) const;
-    // Given one P side strip and one N side strip, Returns kTRUE if they
-    // cross each other and the location of the two crossing strips and
-    // their correxlation matrix c[2][2].
-    virtual Bool_t  GetCrossing(Int_t iP,Int_t iN,Float_t &x,Float_t &z,
-				Float_t c[2][2]);
+
+    virtual Int_t    GetNumberOfChips() const {
+      return fgkNchipsPerSide;
+    }
+    virtual Int_t    GetMaximumChipIndex() const{
+      return fgkNchipsPerSide*2-1;
+    }
+    virtual Int_t    GetChipFromLocal(Float_t xloc, Float_t zloc) const;
+    virtual Int_t    GetChipFromChannel(Int_t ix, Int_t iz) const;
+    virtual Int_t    GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax, Float_t xmin, Float_t xmax) const;
 
     virtual void Init();
 
@@ -83,18 +83,16 @@ public AliITSsegmentation {
   Float_t    fStereoN;       // Stereo angle for Nside (rad)
   Float_t    fPitch;         // Pitch of the strips
   
-  Float_t    fStereoPl5;       // Stereo angle for Pside
-  Float_t    fStereoNl5;       // Stereo angle for Nside
-  Float_t    fStereoPl6;       // Stereo angle for Pside
-  Float_t    fStereoNl6;       // Stereo angle for Nside
   Int_t      fLayer;           //! layer number (5 or 6)
   static const Float_t fgkDxDefault;  // Default value for fDx
   static const Float_t fgkDzDefault;  // Default value for fDz
   static const Float_t fgkDyDefault;  // Default value for fDy
   static const Float_t fgkPitchDefault; //Default value for fPitch
   static const Int_t fgkNstripsDefault; //Default value for fNstrips
+  static const Int_t fgkNchipsPerSide;    //number of chips per side
+  static const Int_t fgkNstripsPerChip;    //number of strips per chip
 
-  ClassDef(AliITSsegmentationSSD,2) //Segmentation class for SSD 
+  ClassDef(AliITSsegmentationSSD,4) //Segmentation class for SSD 
 };
 
 #endif