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basemap layers updates [#1] (#18)
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bdon authored Dec 28, 2023
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39 changes: 30 additions & 9 deletions basemaps/layers.md
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Expand Up @@ -20,23 +20,33 @@ For the previous version of the layers, see [Layers Version 2](/basemaps/layers_

## boundaries

`kind`
| Key | Values | Description |
| ---------------------- | ----------------------------------------- | ----------- |
| `pmap:kind` | `country`, `region`, `county`, `locality` | |
| `pmap:kind_detail` | | |
| `pmap:min_admin_level` | | |
| `pmap:brk_a3` | | |
| `disputed` | boolean | |

## buildings


Buildings from OpenStreetMap.

| Key | Values | Description |
| ------------- | :-----------: | ----: |
| `pmap:kind` | `building`, `building_part`| Whether it is a whole building or one part. |
| `height` | number | May be quantized at low zoom levels. |
| `min_height` | number | May be quantized at low zoom levels. |
| `layer` | integer | Layer position relative to other buildings. |
| Key | Values | Description |
| ------------ | :---------------------------: | -------------------------------------------: |
| `pmap:kind` | `building`, `building_part` | Whether it is a whole building or one part. |
| `height` | number | May be quantized at low zoom levels. |
| `min_height` | number | May be quantized at low zoom levels. |
| `layer` | integer | Layer position relative to other buildings. |

## earth

`kind`
Polygons from the Natural Earth 50m `land` theme for z0-z4, 10m for z5, preprocessed land polygons from [OSMCoastline](https://osmdata.openstreetmap.de) for z6+.

| Key | Values | Description |
| ----------- | :-------: | -----------: |
| `pmap:kind` | `earth` | |

## landuse

Expand Down Expand Up @@ -77,5 +87,16 @@ physical_point will be deprecated in v4.0.

## water

`kind`
Polygons from the Natural Earth 50m `lakes` and `ocean` themes for z0-z4, 10m for z5, preprocessed land polygons from [OSMCoastline](https://osmdata.openstreetmap.de) for z6+.


| Key | Values | Description |
| ------------------ | :------------------------------------------: | -----------: |
| `pmap:kind` | `water`, `lake`, `playa`, `ocean`, `other` | |
| `pmap:kind_detail` | | |
| `reservoir` | | |
| `alkaline` | | |
| `intermittent` | | |
| `bridge` | | |
| `tunnel` | | |
| `layer` | | |

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