]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - HMPID/AliHMPIDDigit.h
Charge of the pad saturates at ADC of 12bits (range 0-4095)
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDDigit.h
index a484e58459125aabdd356ab7ffb91f3aa80b2fb1..e2cd281f4cadcc35ac6a3f3c3e09106a4ad6a439 100644 (file)
@@ -23,9 +23,9 @@ public:
     
 //ctor&dtor    
   AliHMPIDDigit(                          ):AliDigit( ),fPad(AliHMPIDParam::Abs(-1,-1,-1,-1)),fQ(-1)  {}                         //default ctor
-  AliHMPIDDigit(Int_t pad,Int_t q,Int_t *t):AliDigit(t),fPad(pad             ),fQ(q )  {}                         //digit ctor
-  AliHMPIDDigit(Int_t pad,Int_t q         ):AliDigit( ),fPad(pad             ),fQ(q )  {}                         //digit ctor
-  AliHMPIDDigit(const AliHMPIDDigit &d    ):AliDigit(d),fPad(d.fPad),fQ(d.fQ)          {}                         //copy ctor
+  AliHMPIDDigit(Int_t pad,Int_t q,Int_t *t):AliDigit(t),fPad(pad             ),fQ(q )  {if(fQ>4095)fQ=4095;}                     //digit ctor
+  AliHMPIDDigit(Int_t pad,Int_t q         ):AliDigit( ),fPad(pad             ),fQ(q )  {if(fQ>4095)fQ=4095;}                     //digit ctor
+  AliHMPIDDigit(const AliHMPIDDigit &d    ):AliDigit(d),fPad(d.fPad),fQ(d.fQ)          {}                                        //copy ctor
   virtual ~AliHMPIDDigit()                                                             {}                         //dtor   
 //framework part    
          Bool_t  IsSortable  (                               )const{return kTRUE;}                                                     //provision to use TObject::Sort() 
@@ -53,8 +53,7 @@ public:
          Float_t Q           (                               )const{return fQ;}                                                        //charge, [QDC]
   inline void    Raw(UInt_t &w32,Int_t &ddl,Int_t &r,Int_t &d,Int_t &a)const;
   inline Bool_t  Set         (Int_t c,Int_t p,Int_t x,Int_t y,Int_t tid=0);                                                            //manual creation 
-         void    SetQ        (Float_t q                      )     {fQ=q;}                                                             //manual creation 
-         void    SetNsig     (Int_t sigmas                   )     {AliHMPIDParam::fgSigmas=sigmas;}                                                  //set n sigmas 
+         void    SetQ        (Float_t q                      )     {fQ=q;if(fQ>4095)fQ=4095;}                                          //manual creation 
 
  
 protected:                                                                   //AliDigit has fTracks[3]
@@ -138,33 +137,17 @@ void AliHMPIDDigit::Raw(UInt_t &w32,Int_t &ddl,Int_t &r,Int_t &d,Int_t &a)const
   Int_t y2a[6]={5,3,1,0,2,4};
 
   ddl=2*Ch()+Pc()%2;                    //DDL# 0..13
- // Int_t tmp=1+Pc()/2*8+PadPcY()/6;  r=(Pc()%2)? 25-tmp:tmp;               //row r=1..24
   Int_t tmp=1+Pc()/2*8+PadPcY()/6;  r=(Pc()%2)? tmp:25-tmp;               //row r=1..24
   d=1+PadPcX()/8;                       //DILOGIC# 1..10
-  a=y2a[PadPcY()%6]+6*(PadPcX()%8);     //ADDRESS 0..47        
+  a=y2a[PadPcY()%6]+6*(7-PadPcX()%8);   //ADDRESS 0..47        
     
-   /*
-   Int_t a2y[6]={3,2,4,1,5,0};     //pady for a given padress (for single DILOGIC chip)
-                                  Int_t ch=ddl/2;
-  Int_t tmp=(24-row)/8;
-  Int_t pc=(ddl%2)?5-2*tmp:2*tmp;
-  Int_t px=(dil-1)*8+pad/6;
-
-  tmp=(ddl%2)?row-1:(24-row);
-  Int_t py=6*(tmp%8)+a2y[pad%6];
-
-   */                                 
-                                    
-                                      
   w32=0;   
   //Printf("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
   //
   //Printf("AliHMPIDDigit::Raw ddl: %d r: %d d: %d a: %d",ddl,r,d,a);
   //Printf("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
 //  Bool_t isOK=kTRUE; isOK=
-  AliBitPacking::PackWord((fQ>4095)?(UInt_t)4095:(UInt_t)fQ,w32, 0,11);       // 0000 0rrr rrdd ddaa aaaa qqqq qqqq qqqq        Qdc               bits (00..11) counts (0..4095)
-  //Printf("isOK: %d",isOK);
-  //molnarl: Since in simulation the the charge can be > than 4095 but not in real life we need to protect. If fQ>4095 after packing we will get 0 for the charge! 
+  AliBitPacking::PackWord((UInt_t)fQ,w32, 0,11);                      // 0000 0rrr rrdd ddaa aaaa qqqq qqqq qqqq        Qdc               bits (00..11) counts (0..4095)
   assert(0<=a&&a<=47);AliBitPacking::PackWord(        a ,w32,12,17);  // 3322 2222 2222 1111 1111 1000 0000 0000        DILOGIC address   bits (12..17) counts (0..47)
   assert(1<=d&&d<=10);AliBitPacking::PackWord(        d ,w32,18,21);  // 1098 7654 3210 9876 5432 1098 7654 3210        DILOGIC number    bits (18..21) counts (1..10)
   assert(1<=r&&r<=24);AliBitPacking::PackWord(        r ,w32,22,26);  //                                                Row number        bits (22..26) counts (1..24)