Save basestation distance error for grid solution

floenavi/__init__.py

@@ -948,6 +948,8 @@ class FloeNaviGridSolution(object):
         self.origin_latitude = None
         self.origin_uncertainty_m = None
         self.axes_heading = None
+        self.bs_measured_distance = None
+        self.bs_measured_distance_offset = None
 
         # Compute origin and heading
         self._compute()
@@ -985,6 +987,10 @@ class FloeNaviGridSolution(object):
             msg = "High discrepancy between observed and specified base station distance: %.1f m"
             logger.warning(msg % average_distance_deviation)
 
+        # Save as property
+        self.bs_measured_distance = bs_true_distance
+        self.bs_measured_distance_offset = bs_true_distance - bs_grid_distance
+
         # Compute the geographical azimuth between the two base stations
         self.azimuth_stations_geo = self.angle_between_points(self.bs1.geo.xc, self.bs1.geo.yc,
                                                               self.bs2.geo.xc, self.bs2.geo.yc)