Data-treatment.md

@@ -37,10 +37,9 @@ for pt in pts :
 ```
 # Cell fraction to area
 ```
-grid_surface = np.zeros((len(latitudes),len(longitudes))) # dim [30,33]
-            for lat,latitude in enumerate(latitudes) :
-                for lon,longitude in enumerate(longitudes) :
-                    grid_surface[lat][lon] = 110 * 110 * math.cos(math.pi*latitude/180) * 1/2 * 1/2 * 100 #in ha
+gridhectares = np.zeros((len(latitudes),len(longitudes)))
+for lat,latitude in enumerate(latitudes) :
+     gridhectares[lat,:] = 110 * 110 * math.cos(math.pi*latitude/180) * 1/2 * 1/2 * 100
 ```
 # Moving average
 ```