diff --git a/server/data_processing/area_processing.py b/server/data_processing/area_processing.py
index acccd9f1fc117746c087a0fb6c54935a043251fd..9c7bd0d0ca476c6c145144a33ea36ec84caf661e 100644
--- a/server/data_processing/area_processing.py
+++ b/server/data_processing/area_processing.py
@@ -50,7 +50,7 @@ def define_gridareas(lat, lng, area_offset, grid_size):
             lat_pos = main_area[3][0] + relative_size_lat * area_size[0] + dist_to_subcenter[0]
             lng_pos = main_area[3][1] + relative_size_lng * area_size[1] + dist_to_subcenter[1]
             # id of each subarea
-            sub_id = x % grid_size + grid_size * y
+            #sub_id = x % grid_size + grid_size * y
 
             if (x+(y*grid_size)) % ((grid_size*2) + 1) == grid_size * 2:
                 group_id += 2
@@ -60,7 +60,7 @@ def define_gridareas(lat, lng, area_offset, grid_size):
 
             # use the center of sub areas to find the corner of each subarea
             corners = calculate_corners(lat_pos, lng_pos, subarea_offset)
-            grided_area.append((sub_id, group_id + i%2, corners))
+            grided_area.append((group_id + i%2, corners))
 
     return grided_area
 #[1,2,2,3,4,5,6,3,4,6,8,9,5,3,5.7,8,5,3]
diff --git a/server/data_processing/process_lidar_data.py b/server/data_processing/process_lidar_data.py
index 484beffda4271ffc084c258800e1a3326c6dc054..af2588a7a0c2a0e653db15e9f2610e4185a658c6 100644
--- a/server/data_processing/process_lidar_data.py
+++ b/server/data_processing/process_lidar_data.py
@@ -124,8 +124,8 @@ def calculate_area_data(center, cell_size, body_of_water):
 
     # find the heights of each sub-area => area-heights
     for sub_area in grid_area_heights:
-        start = min(sub_area[2])
-        end = max(sub_area[2])
+        start = min(sub_area[1])
+        end = max(sub_area[1])
 
         #test data
         # zone coordinates sett to be relative to the lidar data
@@ -143,7 +143,7 @@ def calculate_area_data(center, cell_size, body_of_water):
 
         # filter data within sub-area zones
         points_in_area = list(filter(lambda point_position: inArea(point_position, areazone), ice_points))
-        area_heights.append((current_zone_id,sub_area[1], sub_center, find_height(points_in_area)))
+        area_heights.append((current_zone_id,sub_area[0], sub_center, find_height(points_in_area)))
 
     return area_heights