+ fct comments

Sim/Scan/BeamScan.h

@@ -100,7 +100,7 @@ public:
     static constexpr double defaultInclination = 1. * Units::deg; // rad
 
 protected:
-    void copyBeamScan(BeamScan* dest) const;
+    void copyBeamScan(BeamScan* dest) const; //!< Used by subclass::clone
 
     const std::unique_ptr<Scale> m_axis;
     std::unique_ptr<PolFilter> m_pol_analyzer;

Sim/Scan/PhysicalScan.h

@@ -59,7 +59,7 @@ public:
     size_t nDistributionSamples() const override;
 
 protected:
-    void copyPhysicalScan(PhysicalScan* dest) const;
+    void copyPhysicalScan(PhysicalScan* dest) const; //!< Used by subclass::clone
 
     std::unique_ptr<IDistribution1D> m_lambda_distrib;
     std::unique_ptr<IDistribution1D> m_alpha_distrib;