Fix in the file open option

[u/mrichter/AliRoot.git] / T0 / AliT0CalibWalk.cxx

diff --git a/T0/AliT0CalibWalk.cxx b/T0/AliT0CalibWalk.cxx
index 78cbac9a32e5d71c242a1527784a21b1869eac84..43f2910bb88393ee96cad7b7a31a1d6626512023 100644 (file)
--- a/T0/AliT0CalibWalk.cxx
+++ b/T0/AliT0CalibWalk.cxx
@@ -33,7 +33,7 @@
 #include <Riostream.h>
 #include <TSpectrum.h>
 #include <TProfile.h>
-
+#include <TF1.h>
 
 ClassImp(AliT0CalibWalk)
 
@@ -115,7 +115,7 @@ void AliT0CalibWalk::SetWalk(Int_t ipmt)
     i++;
   }
   inFile.close();
-  cout<<" number of data "<<i<<endl;
+  //  cout<<" number of data "<<i<<endl;
  
   TMath::Sort(i, y, index,down);
   Int_t amp=0, iin=0, isum=0, sum=0;
@@ -194,64 +194,91 @@ void AliT0CalibWalk::SetAmpLEDRec(Int_t ipmt)
 void AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
 {
   //make walk corerction for preprocessor
-  
+  Int_t nmips=14;
   gFile = TFile::Open(laserFile);
-  gFile->ls();
-  Float_t x1[10], y1[10]; 
-  Float_t x2[10], y2[10];
- 
-  Float_t xx1[10],yy1[10], xx[10];
+  if(!gFile) {
+    AliError("No input laser data found ");
+  }
+  else
+    {
+      //      gFile->ls();
 
+      Float_t x1[14], y1[14]; 
+      Float_t x2[14], y2[14];
   
-  TH2F*  hCFDvsQTC[24][10]; TH2F*  hCFDvsLED[24][10];
-
-  for (Int_t i=0; i<24; i++)
-    {
-      for (Int_t im=0; im<10; im++)
+      Float_t mips[14] = {1.,2,3,4,5,6,7,8,9,10,20,30,40,50};
+     
+      Float_t xx1[14],yy1[14], xx[14];
+      for (Int_t ii=0; ii<14; ii++)
+       {      x1[ii]=0; y1[ii]=0; x2[ii]=0; y2[ii]=0; }
+      
+      
+      TH2F*  hCFDvsQTC[24][14]; TH2F*  hCFDvsLED[24][14];
+      
+      for (Int_t i=0; i<24; i++)
        {
-         
-         TString qtc = Form("QTCvsCFD%i_%i",i+1,im+1);
-         TString led = Form("LEDvsCFD%i_%i",i+1,im+1);
-
-         hCFDvsQTC[i][im] = (TH2F*) gFile->Get(qtc.Data()) ;
-         hCFDvsLED[i][im] = (TH2F*) gFile->Get(led.Data());
-
-         if(!hCFDvsQTC[i][im] && !hCFDvsLED[i][im]) 
+         for (Int_t im=0; im<nmips; im++)
+           {         
+             TString qtc = Form("CFDvsQTC%i_%i",i+1,im+1);
+             TString led = Form("CFDvsLED%i_%i",i+1,im+1);
+             hCFDvsQTC[i][im] = (TH2F*) gFile->Get(qtc.Data()) ;
+             hCFDvsLED[i][im] = (TH2F*) gFile->Get(led.Data());
+             
+             if(!hCFDvsQTC[i][im] || !hCFDvsLED[i][im]) 
+               AliWarning(Form(" no walk correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
+             
+             Float_t qtc0 = hCFDvsQTC[i][0]->GetMean(2);             
+             if(hCFDvsQTC[i][im])
+               {         
+                 x1[im] = hCFDvsQTC[i][im]->GetMean(1);
+                 y1[im] =  hCFDvsQTC[i][im]->GetMean(2) - qtc0;
+               }
+             Float_t led0 = hCFDvsLED[i][0]->GetMean(2);
+             if( hCFDvsLED[i][im]){
+                 x2[im] = hCFDvsLED[i][im]->GetMean(1);
+                 y2[im] =  hCFDvsLED[i][im]->GetMean(2) - led0;
+               }
+             xx[im]=mips[im];
+           }
+         for (Int_t imi=0; imi<nmips; imi++)
            {
-          AliWarning(" no walk correction data in LASER DA");
-             break;
+             yy1[imi] = Float_t (mips[nmips-imi-1]);
+             xx1[imi] = x2[nmips-imi-1]; 
            }
+         if(i==0) cout<<"Making graphs..."<<endl;
          
-         x1[im] = hCFDvsQTC[i][im]->GetMean(1);
-         y1[im] = hCFDvsQTC[i][im]->GetMean(2);
-         x2[im] = hCFDvsLED[i][im]->GetMean(1);
-         y2[im] = hCFDvsLED[i][im]->GetMean(2);
-         xx[im]=im+1;
-       }
-      for (Int_t imi=0; imi<10; imi++)
-       {
-         yy1[imi] = Float_t (10-imi);
-         xx1[imi]=x2[10-imi-1]; 
-       }
-       if(i==0){       
-        cout<<"Making graphs..."<<endl;
-       }
-      TGraph *gr1 = new TGraph (10,x1,y1);
-      TGraph *gr2 = new TGraph (10,x2,y2);
-      fWalk.AddAtAndExpand(gr1,i);
-      fAmpLEDRec.AddAtAndExpand(gr2,i);
-      
+         TGraph *grwalkqtc = new TGraph (nmips,x1,y1);
+         TGraph *grwalkled = new TGraph (nmips,x2,y2);
+         fWalk.AddAtAndExpand(grwalkqtc,i);
+         fAmpLEDRec.AddAtAndExpand(grwalkled,i);
+        
+         //fit amplitude graphs to make comparison wth new one   
+         TGraph *grampled = new TGraph (nmips,xx1,yy1);
+         TGraph *grqtc = new TGraph (nmips,x1,xx);
+         fQTC.AddAtAndExpand(grqtc,i);  
+         fAmpLED.AddAtAndExpand(grampled,i);
 
- 
-      TGraph *gr4 = new TGraph (10,xx1,yy1);
-      TGraph *gr3 = new TGraph (10,x1,xx);
-      fQTC.AddAtAndExpand(gr3,i);       
-      fAmpLED.AddAtAndExpand(gr4,i);
-      //      for (Int_t im=0; im<10; im++) { x2[im]=0;  y2[im]=0;  xx1[im]=0; xx[im]=0;}
-       if(i==23){
-        cout<<"Graphs created..."<<endl;
+         //fit amplitude graphs
+         Double_t parled [2], parqtc[2];
+
+         TF1 *fuled = new TF1("fuled","expo",x1[0],x1[nmips]);
+         TF1 *fuqtc = new TF1 ("fuqtc","pol1",x1[0],x1[nmips]);
+         grqtc->Fit("fuqtc","Q"," ",x1[0],x1[nmips]);
+         grampled->Fit("fuled","Q"," ",xx1[0],xx1[nmips]);
+         fuled->GetParameters(&parled[0]);
+         fuqtc->GetParameters(&parqtc[0]);
+
+         for(Int_t ipar=0; ipar<2; ipar++) {
+           SetQTCpar(i,ipar,parqtc[ipar]);
+           SetAmpLEDpar(i,ipar,parled[ipar]);
+           //      cout<<" pars :::: "<<i<<" "<<ipar<<" qtc "<<parqtc[ipar]<<" led "<<parled[ipar]<<endl;
+         }
+
+         if(i==23){
+           cout<<"Graphs created..."<<endl;
+         }
        }
-    }
+    } //if gFile exits
 }