+ override_stdmag function

utils/MagData.cpp

@@ -4,6 +4,11 @@
 
 MagData::MagData() = default;
 
+void MagData::override_stdmag(const double stdmag)
+{
+    m_stdmag = stdmag;
+}
+
 void MagData::SetOpticData(const double stdphase_deg, const double stdtrange_km, const double stdmag)
 {
     m_hasData = true;

utils/MagData.h

@@ -18,6 +18,7 @@ public:
     double get_std_mag() const { return m_stdmag; }
     double get_std_phase() const { return m_stdphase_rad; }
     double get_std_range() const { return m_stdrange_tkm; }
+    void override_stdmag(double stdmag);
 private:
     static double CalcA0g(double stdmag, double stdphase_rad, double stdrange_tkm, double sunMag);
     static double CalcRealMag(double A0g, double sunMag, double phase_rad, double range_tkm);