Update diagrams

layers/boundary/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#boundary**
 
 ### Mapping Diagram
-![Mapping diagram for boundary](http://openmaptiles.org/media/mapping_boundary.png)
+![Mapping diagram for boundary](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for boundary](http://openmaptiles.org/media/etl_boundary.png)
+![ETL diagram for boundary](etl_diagram.png?raw=true)
-

layers/building/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#building**
 
 ### Mapping Diagram
-![Mapping diagram for building](http://openmaptiles.org/media/mapping_building.png)
+![Mapping diagram for building](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for building](http://openmaptiles.org/media/etl_building.png)
+![ETL diagram for building](etl_diagram.png?raw=true)
-

layers/building/building.sql

@@ -50,7 +50,7 @@ CREATE OR REPLACE VIEW osm_all_buildings AS (
          osm_building_street WHERE role = 'house'
          UNION ALL
 
-         -- etldoc: osm_building_polygon -> layer_building:z14_
+         -- etldoc: osm_building_multipolygon -> layer_building:z14_
          -- Buildings that are inner/outer
          SELECT osm_id,geometry,
                   COALESCE(nullif(as_numeric(height),-1),nullif(as_numeric(buildingheight),-1)) as height,

layers/housenumber/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#housenumber**
 
 ### Mapping Diagram
-![Mapping diagram for housenumber](http://openmaptiles.org/media/mapping_housenumber.png)
+![Mapping diagram for housenumber](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for housenumber](http://openmaptiles.org/media/etl_housenumber.png)
+![ETL diagram for housenumber](etl_diagram.png?raw=true)
-

layers/park/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#park**
 
 ### Mapping Diagram
-![Mapping diagram for park](http://openmaptiles.org/media/mapping_park.png)
+![Mapping diagram for park](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for park](http://openmaptiles.org/media/etl_park.png)
+![ETL diagram for park](etl_diagram.png?raw=true)
-

layers/place/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#place**
 
 ### Mapping Diagram
-![Mapping diagram for place](http://openmaptiles.org/media/mapping_place.png)
+![Mapping diagram for place](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for place](http://openmaptiles.org/media/etl_place.png)
+![ETL diagram for place](etl_diagram.png?raw=true)
-

layers/water_name/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#water_name**
 
 ### Mapping Diagram
-![Mapping diagram for water_name](http://openmaptiles.org/media/mapping_water_name.png)
+![Mapping diagram for water_name](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for water_name](http://openmaptiles.org/media/etl_water_name.png)
+![ETL diagram for water_name](etl_diagram.png?raw=true)
-

layers/waterway/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#waterway**
 
 ### Mapping Diagram
-![Mapping diagram for waterway](http://openmaptiles.org/media/mapping_waterway.png)
+![Mapping diagram for waterway](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for waterway](http://openmaptiles.org/media/etl_waterway.png)
+![ETL diagram for waterway](etl_diagram.png?raw=true)
-