Rename `R_Vmax` to radius

cost_function.py

@@ -50,14 +50,14 @@ def calculate_radii_rossby(list_eddies, e_overestim, handlers, array_d_init):
         lat_in_deg = shapeRec.shape.points[0][1] # in degrees
         f = 2 * Omega * math.sin(math.radians(lat_in_deg)) # in s-1
         V_max = shapeRec.record[4] # in m/s
-        R_Vmax = handlers[i_SHPC]["readers"]["max_speed_contour"]\
+        radius = handlers[i_SHPC]["readers"]["max_speed_contour"]\
             .record(ishape)['r_eq_area'] * 1000 # in m
 
         if abs(V_max) < 100:
-            avg_Rossby += V_max / (f * R_Vmax)
+            avg_Rossby += V_max / (f * radius)
             n_valid_Rossby += 1
 
-        avg_rad += R_Vmax # in m
+        avg_rad += radius # in m
 
     avg_rad /= len(list_eddies)