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Use osm_id as feature id for building layer (#827) 

Change the feature_id of objects in the tiles from arbitrary number to osm_id.

From discussion here https://github.com/openmaptiles/openmaptiles/pull/725#issuecomment-619059931

Note the multiploygon building are load with negative relation osm_id. But the use in feature_id do an overflow (eg -7980888 -> 18446744073701570000). We can keep as is or not.

No stats done for yet. Trying to let the CI do it.
pull/889/head^2
Frédéric Rodrigo 2020-05-26 20:44:36 +02:00 zatwierdzone przez GitHub
rodzic cec49b23ba
commit 6feefb4145
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layers/building/building.yaml
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@ -5,7 +5,11 @@ layer:
this is welcomed.
buffer_size: 4
datasource:
query: (SELECT geometry, render_height, render_min_height, colour, hide_3d FROM layer_building(!bbox!, z(!scale_denominator!))) AS t
geometry_field: geometry
key_field: osm_id
key_field_as_attribute: no
srid: 900913
query: (SELECT osm_id, geometry, render_height, render_min_height, colour, hide_3d FROM layer_building(!bbox!, z(!scale_denominator!))) AS t
fields:
render_height: |
An approximated height from levels and height of the building or building:part after the method of Paul Norman in [OSM Clear](https://github.com/ClearTables/osm-clear). For future 3D rendering of buildings.