remove items overlapping with standard OMT

layers/exploration/exploration.yaml

@@ -7,16 +7,13 @@ layer:
     class:
     subclass:
     name:
-    description:
-    website:
-    wikidata:
-    wikipedia:
-    inscription:
     memorial:
   datasource:
+    key_field: osm_id
+    key_field_as_attribute: no
     geometry_field: geometry
     srid: 900913
-    query: (SELECT geometry, class, subclass, name, description, website, wikidata, wikipedia, inscription, memorial FROM layer_exploration(!bbox!, z(!scale_denominator!))) AS t
+    query: (SELECT osm_id, geometry, class, subclass, name, memorial FROM layer_exploration(!bbox!, z(!scale_denominator!))) AS t
 schema:
   - ./layer.sql
 datasources:

layers/exploration/layer.sql

@@ -1,6 +1,6 @@
 CREATE OR REPLACE FUNCTION layer_exploration(bbox geometry, zoom_level int)
-RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, name text, description text, website text, wikidata text, wikipedia text, inscription text, memorial text) AS $$
-    SELECT osm_id, geometry, class, subclass, NULLIF(name, '') AS name, NULLIF(description, '') AS description, NULLIF(website, '') AS website, NULLIF(wikidata, '') AS wikidata, NULLIF(wikipedia, '') AS wikipedia, NULLIF(inscription, '') AS inscription, NULLIF(memorial, '') AS memorial
+RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, name text, memorial text) AS $$
+    SELECT osm_id * 10 + 1, geometry, class, subclass, NULLIF(name, '') AS name, NULLIF(memorial, '') AS memorial
     FROM osm_exploration_point
     WHERE zoom_level >= 14 AND geometry && bbox;
 $$ LANGUAGE SQL IMMUTABLE;

layers/exploration/mapping.yaml

@@ -1,3 +1,5 @@
+# can't overlap with https://github.com/openmaptiles/openmaptiles/blob/master/layers/poi/mapping.yaml
+
 tables:
   # etldoc: imposm3 -> osm_exploration_point
   exploration_point:
@@ -14,38 +16,17 @@ tables:
       - key: name
         name: name
         type: string
-      - key: description
-        name: description
-        type: string
-      - key: website
-        name: website
-        type: string
-      - key: wikidata
-        name: wikidata
-        type: string
-      - key: wikipedia
-        name: wikipedia
-        type: string
-      - key: inscription
-        name: inscription
-        type: string
       - key: memorial
         name: memorial
         type: string
+      - key: tourism
+        name: tourism
+        type: string
     mapping:
       historic:
-        - castle
         - memorial
-        - monument
-        - ruins
       military:
         - bunker
-      tourism:
-        - artwork
-        - attraction
-        - viewpoint
-      information:
-        - board
-        - map
-        - tactile_map
-        - tactile_model
+    filters:
+      reject:
+        tourism: [__any__]