Merge pull request #277 from OpenHistoricalMap/compose/tiler

Simplifying coastlines
OpenHistoricalMap · Mar 12, 2024 · 13ad3cf · 13ad3cf
2 parents 5b0902e + c982c94
commit 13ad3cf
Showing 1 changed file with 94 additions and 13 deletions.
diff --git a/images/tiler-server/config/config.toml b/images/tiler-server/config/config.toml
@@ -30,15 +30,57 @@ user = "${POSTGRES_USER}"
 password = "${POSTGRES_PASSWORD}"
 # srid = 3857
 max_connections = 40
+	# Land
+	[[providers.layers]]
+	name = "land_0-2"
+	geometry_fieldname = "geometry"
+	geometry_type = "multipolygon"
+	id_fieldname = "ogc_fid"
+	sql = "SELECT ST_AsMVTGeom(ST_Simplify(wkb_geometry, 750),!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
+
+	[[providers.layers]]
+	name = "land_3-5"
+	geometry_fieldname = "geometry"
+	geometry_type = "multipolygon"
+	id_fieldname = "ogc_fid"
+	sql = "SELECT ST_AsMVTGeom(ST_Simplify(wkb_geometry, 300),!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
+
+	[[providers.layers]]
+	name = "land_6-7"
+	geometry_fieldname = "geometry"
+	geometry_type = "multipolygon"
+	id_fieldname = "ogc_fid"
+	sql = "SELECT ST_AsMVTGeom(ST_Simplify(wkb_geometry, 150),!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
+
+	[[providers.layers]]
+	name = "land_8-9"
+	geometry_fieldname = "geometry"
+	geometry_type = "multipolygon"
+	id_fieldname = "ogc_fid"
+	sql = "SELECT ST_AsMVTGeom(ST_Simplify(wkb_geometry, 75),!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
 
 	[[providers.layers]]
-	name = "land_0-20"
+	name = "land_10-12"
 	geometry_fieldname = "geometry"
 	geometry_type = "multipolygon"
 	id_fieldname = "ogc_fid"
-	sql = "SELECT ST_AsMVTGeom(wkb_geometry,!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
+	sql = "SELECT ST_AsMVTGeom(ST_Simplify(wkb_geometry, 30),!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
 
-	# #Water
+	[[providers.layers]]
+	name = "land_13-15"
+	geometry_fieldname = "geometry"
+	geometry_type = "multipolygon"
+	id_fieldname = "ogc_fid"
+	sql = "SELECT ST_AsMVTGeom(ST_Simplify(wkb_geometry, 5),!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
+
+	[[providers.layers]]
+	name = "land_16-20"
+	geometry_fieldname = "geometry"
+	geometry_type = "multipolygon"
+	id_fieldname = "ogc_fid"
+	sql = "SELECT ST_AsMVTGeom(ST_Simplify(wkb_geometry, 1),!BBOX!) AS geometry, ogc_fid FROM land_polygons WHERE wkb_geometry && !BBOX!"
+
+	# Water
 	[[providers.layers]]
 	name = "water_areas"
 	geometry_fieldname = "geometry"
@@ -89,14 +131,6 @@ max_connections = 40
 	sql = "SELECT ST_AsMVTGeom(geometry,!BBOX!) AS geometry, ABS(osm_id) as osm_id, name, type, tags->'bridge' as bridge, tags->'surface' as surface, tags->'start_date' as start_date, tags->'end_date' as end_date, isodatetodecimaldate(pad_date(tags->'start_date', 'start'), FALSE) AS start_decdate, isodatetodecimaldate(pad_date(tags->'end_date', 'end'), FALSE) AS end_decdate FROM osm_water_lines_gen1 WHERE type IN ('river', 'canal', 'stream', 'ditch', 'drain', 'dam', 'cliff') AND geometry && !BBOX!"
 
 	# Admin boundaries
-	# Zoom levels 0-2,Tolerance=500 => ~1000 meters
-	# Zoom levels 3-5,Tolerance=200=> ~500 meters
-	# Zoom levels 6-7,Tolerance=100=> ~200 meters
-	# Zoom levels 8-9,Tolerance=50=> ~100 meters
-	# Zoom levels 10-12,Tolerance=20=> ~50 meters
-	# Zoom levels 13-15,Tolerance=5=> ~20 meters
-	# Zoom levels 16-20,Tolerance=1=> ~5 meters
-
 	[[providers.layers]]
 	name = "admin_boundaries_0-2"
 	geometry_fieldname = "geometry"
@@ -331,12 +365,58 @@ name = "osm"
 attribution = "OpenStreetMap" # map attribution
 center = [-74.275329586789, -12.153492567373, 8.0] # optional center value. part of the TileJSON spec
 
+	# Zoom levels 0-2,Tolerance=500 => ~1000 meters
+	# Zoom levels 3-5,Tolerance=200=> ~500 meters
+	# Zoom levels 6-7,Tolerance=100=> ~200 meters
+	# Zoom levels 8-9,Tolerance=50=> ~100 meters
+	# Zoom levels 10-12,Tolerance=20=> ~50 meters
+	# Zoom levels 13-15,Tolerance=5=> ~20 meters
+	# Zoom levels 16-20,Tolerance=1=> ~5 meters
+
+	# Land
 	[[maps.layers]]
 	name = "land"
-	provider_layer = "osm.land_0-20"
+	provider_layer = "osm.land_0-2"
 	min_zoom = 0
+	max_zoom = 2
+
+	[[maps.layers]]
+	name = "land"
+	provider_layer = "osm.land_3-5"
+	min_zoom = 3
+	max_zoom = 5
+
+	[[maps.layers]]
+	name = "land"
+	provider_layer = "osm.land_6-7"
+	min_zoom = 6
+	max_zoom = 7
+
+	[[maps.layers]]
+	name = "land"
+	provider_layer = "osm.land_8-9"
+	min_zoom = 8
+	max_zoom = 9
+
+	[[maps.layers]]
+	name = "land"
+	provider_layer = "osm.land_10-12"
+	min_zoom = 10
+	max_zoom = 12
+
+	[[maps.layers]]
+	name = "land"
+	provider_layer = "osm.land_13-15"
+	min_zoom = 13
+	max_zoom = 15
+
+	[[maps.layers]]
+	name = "land"
+	provider_layer = "osm.land_16-20"
+	min_zoom = 16
 	max_zoom = 20
 
+	# Admin boundaries
 	[[maps.layers]]
 	name = "land_ohm"
 	provider_layer = "osm.admin_boundaries_0-2"
@@ -589,4 +669,5 @@ center = [-74.275329586789, -12.153492567373, 8.0] # optional center value. part
 	name = "transport_associated_streets"
 	provider_layer = "osm.transport_associated_streets"
 	min_zoom = 7
-	max_zoom = 20
+	max_zoom = 20
+