Trim dac scan for all 16 values with the legend displayed

Trim_dac_scan/trimdac_scan.cpp

@@ -20,8 +20,8 @@ void trimdac_scan(){
   };
   std::vector<int>colors={kTeal+3,kPink-3,kOrange+8,kRed+4 ,kCyan+2,kMagenta+1,kGreen-3,kPink-6,kBlue+3,kYellow+3,kPink+2,kBlue-6,kRed-1,kYellow-5,kRed-8,kAzure};
   double data;
-  TCanvas*c1 = new TCanvas();
   THStack*hs = new THStack("hs", "Trim dac scan");
+  TCanvas* c1 = new TCanvas("c1");
   
   for(int ctr=0;ctr<16;ctr++){
     std::ifstream datafile(filenames.at(ctr).c_str());
@@ -37,6 +37,7 @@ void trimdac_scan(){
 	//	cout<<data<<std::endl;
 	h1->Fill(data);
       }
+      h1->SetStats(0);
       h1->SetLineColor(colors.at(ctr));
       histo.push_back(h1);
       cout<<filenames.at(ctr)<<"histogram is filled..."<<std::endl;
@@ -51,9 +52,23 @@ void trimdac_scan(){
     cout<<"stacking"<< histo.at(i)<<std::endl;
     hs->Add(histo.at(i),"sames");
   }
+
+ 
+  
   hs->Draw("hist nostack");
-  hs->GetXaxis()->SetTitle("Threshold [LSB]");
-  hs->GetYaxis()->SetTitle(" #pixels");
+  hs->GetXaxis()->SetTitle("Threshold[LSB]");
+  hs->GetYaxis()->SetTitle("# pixels");
+  hs->GetXaxis()->SetLabelOffset(0.02);
+  hs->GetXaxis()->SetTitleOffset(1.4);
+  // hs->GetYaxis()->SetLabelOffset(0.01);
+  hs->GetYaxis()->SetTitleOffset(1.4);
+  gPad->Update();
+
+  TLegend *leg = new TLegend(0.7,0.7,0.9,0.9);
+  for (int k=0;k<histo.size();k++){
+    leg->AddEntry(histo.at(k),filenames.at(k).c_str(),"l");
+  }
+  leg->Draw("SAME");
 
   cout<<"Done.."<<std::endl;
 }
@@ -64,3 +79,5 @@ void trimdac_scan(){
     
       
       
+
+