diff --git a/script.R b/script.R
index f154c9e..1c1855b 100755
--- a/script.R
+++ b/script.R
@@ -3,15 +3,14 @@ require(sf)
 
 # Load admin polygons:
 oa11 <- st_read("./data/infuse_oa_lyr_2011.shp")
-
 # download 2011 LSOA polygons - level 2
 lsoa11 <- st_read("./data/infuse_lsoa_lyr_2011.shp")
-
 # download local authorities data for whole UK - level 1 (least detailed)
 local_authorities <- st_read("data/infuse_dist_lyr_2011.shp")
-
 # Load buildings shapefile:
 buildings <- st_read("./data/OS_Open_Zoomstack_district_buildings.gpkg")
+# open country shapefiles
+countries <- st_read("data/infuse_ctry_2011.shp")
 
 # Create modest buffer around quite small building polygons for the sake of visualisation at very large scale where small polygons can appear as points
 buffer <- st_buffer(buildings,150)
@@ -25,9 +24,11 @@ st_write(difference, "data/local_authorities_cropped_union_buffer_150.gpkg")
 inversion <- st_difference(local_authorities$geom, difference)
 # Write results to a file:
 st_write(inversion, "data/local_authorities_cropped_union_buffer_150_inverted.gpkg")
+# Create simplified version:
+inversion_simplified = st_simplify(inversion, dTolerance = 150)  # 150 m
+st_write(inversion_simplified, "data/local_authorities_cropped_union_buffer_150_inverted_simplified.gpkg")
+
 
-# open country shapefiles
-countries <- st_read("data/infuse_ctry_2011.shp")
 # Create modest buffer around quite small building polygons for the sake of visualisation at very large scale where small polygons can appear as points
 buffer <- st_buffer(buildings,150)
 # Dissolve and merge overlapping shapes
@@ -40,3 +41,6 @@ st_write(difference, "data/countries_cropped_union_buffer_150.gpkg")
 inversion <- st_difference(countries$geom, difference)
 # Write results to a file:
 st_write(inversion, "data/countries_cropped_union_buffer_150_inverted.gpkg")
+# Create simplified version:
+inversion_simplified = st_simplify(inversion, dTolerance = 150)  # 2000 m
+st_write(inversion_simplified, "data/countries_cropped_union_buffer_150_inverted_simplified.gpkg")