added the command SCALE_N0_BKG TRUE | FALSE to the command-block. This can be used to force a single histogram fit to use either 1/ns scaling for N0 and background or 1/bins one.

src/include/PMusrCanvas.h

@@ -231,6 +231,7 @@ class PMusrCanvas : public TObject, public TQObject
     virtual void SaveGraphicsAndQuit(Char_t *fileName, Char_t *graphicsFormat);
 
   private:
+    Bool_t fScaleN0AndBkg;    ///< true=N0 and background is scaled to (1/ns), otherwise (1/bin) for the single histogram case
     Bool_t fBatchMode;        ///< musrview in ROOT batch mode
     Bool_t fValid;            ///< if true, everything looks OK
     Bool_t fDifferenceView;   ///< tag showing that the shown data, fourier, are the difference between data and theory
@@ -318,6 +319,8 @@ class PMusrCanvas : public TObject, public TQObject
 
     virtual void SaveDataAscii();
 
+    virtual Bool_t IsScaleN0AndBkg();
+
   ClassDef(PMusrCanvas, 1)
 };
 

src/include/PRunSingleHisto.h

@@ -57,10 +57,12 @@ class PRunSingleHisto : public PRunBase
     virtual Bool_t PrepareViewData(PRawRunData* runData, const UInt_t histoNo);
 
   private:
+    Bool_t fScaleN0AndBkg;  ///< true=scale N0 and background to 1/ns, otherwise 1/bin
     UInt_t fNoOfFitBins;    ///< number of bins to be fitted
     Double_t fBackground;   ///< needed if background range is given (units: 1/bin)
 
-    Bool_t EstimateBkg(UInt_t histoNo);
+    virtual Bool_t EstimateBkg(UInt_t histoNo);
+    virtual Bool_t IsScaleN0AndBkg();
 };
 
 #endif // _PRUNSINGLEHISTO_H_