Changeset 855 for trunk/MagicSoft/Mars/mhist/MHMcEnergy.cc

Timestamp:

07/05/01 13:23:12 (23 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mhist/MHMcEnergy.cc (modified) (4 diffs)

trunk/MagicSoft/Mars/mhist/MHMcEnergy.cc

@@ -29 +29 @@
 #include <TH1.h> 
 #include <TF1.h> 
+#include <TCanvas.h>
 #include <TPaveLabel.h> 
 
@@ -58 +59 @@
         sprintf(aux+10, ";%i", idx);
     hLogEner = new TH1F(aux, "", 100, 0.5, 4.5);
+    hLogEner->SetXTitle("log(E) [GeV]");
+    hLogEner->SetYTitle("dN/dE");
     //hLogEner->SetBins(60);
 }
@@ -75 +78 @@
 {
     //
+    // 0: don't draw the function (it is drawn together with the histogram)
+    // +: add these function to the list of fits. Don't delete the last fit.
+    //
     // FIXME: R means: use the range specified in the function (xxmin, xxmax are ignored!)
     //        Q means: quiet (why?)
     //
     //
-    hLogEner->Fit(fLogEner->GetName(), "RQ", "", xxmin, xxmax);
+    hLogEner->Fit(fLogEner->GetName(), "Q0+", "", xxmin, xxmax);
 }
 
@@ -92 +98 @@
     const Float_t sum = min+max;
 
+    TCanvas *c=new TCanvas("Energy Distribution","Energy distribution for triggered events");
+
+    hLogEner->Draw(option);
+
     TPaveLabel* label = new TPaveLabel(2.2, 0.75*sum, 4.4, 0.90*sum, text);
-
-    hLogEner->SetYTitle("dN/dE") ;
-    hLogEner->SetXTitle("log(E) [GeV]") ;
-    hLogEner->Draw(option) ;
     label->SetFillColor(10);
     label->SetTextSize(0.3);
     label->Draw();
+
+    c->Modified();
+    c->Update();
 }