[WIP] Add spatial index container

examples/buildings/building-polygon.yaml

@@ -32,3 +32,4 @@ properties:
   - property: /properties/height
     dataset:  metaLidarExtractions,
     confidence: 0.95
+  h3: 08b2aa845a199fff

schema/buildings/building.yaml

@@ -24,6 +24,7 @@ properties:
       - "$ref": ../defs.yaml#/$defs/propertyContainers/namesContainer
       - "$ref": ../defs.yaml#/$defs/propertyContainers/levelContainer
       - "$ref": ./defs.yaml#/$defs/propertyContainers/shapeContainer
+      - "$ref": ../defs.yaml#/$defs/propertyContainers/spatialIndexingContainer
     properties:
       subtype:
         description: >-

schema/defs.yaml

@@ -371,3 +371,34 @@ description: Common schema definitions shared by all themes
                 of features with a higher number.
               type: integer
               default: 0
+    spatialIndexingContainer:
+      title: spatial indexing
+      description: Various spatial indexing systems
+      properties:
+        bbox:
+          title: Bounding box that fully contains the feature.
+          type: object
+          properties:
+            xmin:
+              type: number
+              minimum: -180
+              maximum: 180
+            xmax:
+              type: number
+              minimum: -180
+              maximum: 180
+            ymin:
+              type: number
+              minimum: -90
+              maximum: 90
+            ymax:
+              type: number
+              minimum: -90
+              maximum: 90
+        h3:
+          title: H3 Index
+          description: h3 hexagonal indexing system
+          type: string
+          minLength: 15
+          maxLength: 16
+          pattern: ^[0-9A-Fa-f]{15,16}?$