X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSsegmentationSPD.h;h=020f6b64423c6b020db6e98a2be162062ae7930f;hb=87f5f9fa1024ea974fc88425a0be9be69ca1abf6;hp=bd197bc6e1aabf89847a6529ef058233b93e50a6;hpb=7c0e9d1f25a43863fedde46a792f8438310cfc9c;p=u%2Fmrichter%2FAliRoot.git

diff --git a/ITS/AliITSsegmentationSPD.h b/ITS/AliITSsegmentationSPD.h
index bd197bc6e1a..020f6b64423 100644
--- a/ITS/AliITSsegmentationSPD.h
+++ b/ITS/AliITSsegmentationSPD.h
@@ -3,6 +3,10 @@
 
 #include "AliITSsegmentation.h"
 
+#include <TF1.h>
+
+class AliITSgeom;
+
 // segmentation and response for SPD 
 
 class AliITSsegmentationSPD :
@@ -22,19 +26,32 @@ public AliITSsegmentation {
 
     // Maximum number of pixels along the two coordinates  
     virtual void    SetNPads(Int_t p1, Int_t p2);
+    // Returns the maximum number of cells (digits) posible
+    virtual Int_t   GetNPads(){return fNpx*fNpz;}
+    // Set Pixel Size Array in x and z, microns.
+    virtual void    SetBinSize(Float_t *x,Float_t *z);
 
     // Transform from real to pixel coordinates
-    virtual void    GetPadIxz
-         (Float_t x,Float_t z,Int_t &ix,Int_t &iz);
+    virtual void    GetPadIxz(Float_t x,Float_t z,Int_t &ix,Int_t &iz);
     // Transform from pixel to real coordinates
-    virtual void    GetPadCxz
-         (Int_t ix,Int_t iz,Float_t &x,Float_t &z);
+    virtual void    GetPadCxz(Int_t ix,Int_t iz,Float_t &x,Float_t &z);
     // Transform from real global to local coordinates
-    virtual void    GetLocal(Int_t module,Float_t *g ,Float_t *l) {}
+    //virtual void    GetLocal(Int_t module,Float_t *g ,Float_t *l) {}
     // Transform from real local to global coordinates
-    virtual void    GetGlobal(Int_t module,Float_t *l ,Float_t *g) {}
+    //virtual void    GetGlobal(Int_t module,Float_t *l ,Float_t *g) {}
     // Local transformation of real local coordinates -
     virtual void    GetPadTxz(Float_t &x ,Float_t &z);
+    // Transformation from Geant cm detector center local coordinates
+    // to detector segmentation/cell coordiantes starting from (0,0).
+    virtual void    LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz);
+    // Transformation from detector segmentation/cell coordiantes starting
+    // from (0,0) to Geant cm detector center local coordinates.
+    virtual void    DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z);
+    // Returns the Cell upper and lower boundries in x and y. cell indexes
+    // starting from (0,0) and return Geant cm detector centered local
+    // coordinates, consistant with DetToLocal and LocalToDet functions above.
+    virtual void CellBoundries(Int_t ix,Int_t iz,Double_t &xl,Double_t &xu,
+			       Double_t &zl,Double_t &zu);
     //
     // Initialisation
     virtual void Init();
@@ -60,10 +77,18 @@ public AliITSsegmentation {
     // Maximum number of Pixels in z
     virtual Int_t    Npz(){return fNpz;}
     //
-    // Get next neighbours 
+    // Get next neighbours
     virtual void Neighbours
        (Int_t iX,Int_t iZ,Int_t* Nlist,Int_t Xlist[10],Int_t Zlist[10]);
 
+ private:
+    Float_t ColFromZ300(Float_t z);
+    Float_t ZFromCol300(Int_t col);
+    Float_t ZpitchFromCol300(Int_t col);
+    Float_t ColFromZ(Float_t z);
+    Float_t ZFromCol(Int_t col);
+    Float_t ZpitchFromCol(Int_t col);
+    
   protected:
 
     Int_t   fNpx;           // Number of pixels in x