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Oct 22, 2025
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PB-1969 Feedback to 3D from ltrea #patch #52

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Feedback to 3D from ltrea
rebert Oct 8, 2025
eb9a2f5
Proposition @asteiner-swistopo about <time> param
rebert Oct 22, 2025
a33e53f
whitespace
rebert Oct 22, 2025
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7 changes: 4 additions & 3 deletions docs/3d-tiles.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,15 +10,15 @@ Use the following parameters to define your request:
| --------- | -------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| layerName | ch.swisstopo.swissbuildings3d.3d | The technical name of the 3D layer. Possible values are: `ch.swisstopo.swissbuildings3d.3d`, `ch.swisstopo.swisstlm3d.3d`, `ch.swisstopo.swissnames3d.3d`, `ch.swisstopo.vegetation.3d` |
| Version | v1 | API version. `v1` means tiles generated with 3D Tiles |
| Time | 20240501 | Date of tileset generation in (ISO-8601, e.g. YYYYMMDD) |
| Time (optional) | 20250501 | Date of tileset generation in ISO-8601 (YYYYMMDD). If you omit this parameter, the most recent tile is returned. |
| Z | 7 | Zoom level |
| X | 54 | Tile column index |
| Y | 21 | Tile row index |

A 3D tile request for swissBUILDINGS3D dataset:

```http
curl -o demo.b3dm https://3d.geo.admin.ch/ch.swisstopo.swissbuildings3d.3d/v1/20240501/7/54/21.b3dm
curl -o demo.b3dm https://3d.geo.admin.ch/ch.swisstopo.swissbuildings3d.3d/v1/20250501/11/799/503.b3dm
```

## Metadata
Expand All @@ -28,9 +28,10 @@ It can be used directly by [CesiumJS](https://github.com/CesiumGS/cesium).

<ApiCodeBlock url="https://3d.geo.admin.ch/<LayerName>/<Version>/<Time>/tileset.json" method="GET" />


| Parameter | Example | Description |
| --------------- | -------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Time (optional) | 20201203 | Date of tile generation in (ISO-8601). |
| Time (optional) | 20250728 | Date of tile generation in ISO-8601 (YYYYMMDD). If you omit this parameter, the most recent tile is returned. |
| layerName | ch.swisstopo.swissbuildings3d.3d | The technical name of the 3D layer. Possible values are: `ch.swisstopo.swissbuildings3d.3d`, `ch.swisstopo.swisstlm3d.3d`, `ch.swisstopo.swissnames3d.3d`, `ch.swisstopo.vegetation.3d` |

A metadata request for the Vegetation dataset:
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26 changes: 14 additions & 12 deletions docs/terrain-service.md
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Expand Up @@ -7,19 +7,19 @@ Tiles are organized and served following the [Tile Map Service (TMS) specificati

Use the following parameters to define your request:

| Parameter | Example | Description |
| ---------- | --------------- | -------------------------------------------------- |
| ServerName | 3d.geo.admin.ch | |
| Version | v1 | v1 means terrain tiles generated with cesium tiles |
| Time | 20201203 | Date of tile generation in (ISO-8601). |
| Zoom | 12 | Zoom level |
| X | 4309 | The longitude index |
| Y | 3111 | The latitude index |
| Parameter | Example | Description |
| ----------------| --------------- | -------------------------------------------------- |
| ServerName | 3d.geo.admin.ch | |
| Version | v1 | v1 means terrain tiles generated with cesium tiles |
| Time (optional) | 20250101 | Date of tile generation in ISO-8601 (YYYYMMDD). If you omit this parameter, the most recent tile is returned. |
| Zoom | 12 | Zoom level |
| X | 4309 | The longitude index |
| Y | 3111 | The latitude index |

An example of a terrain tile request:

```http
curl -o demo.terrain https://3d.geo.admin.ch/ch.swisstopo.terrain.3d/v1/20201203/7/136/98.terrain?v=3924.0.0
curl -o demo.terrain https://3d.geo.admin.ch/ch.swisstopo.terrain.3d/v1/20250101/11/2130/1550.terrain?v=1.43646.0
```

## Metadata
Expand All @@ -28,14 +28,16 @@ The `layer.json` file provides metadata that describes the availability and stru

<ApiCodeBlock url="https://3d.geo.admin.ch/ch.swisstopo.terrain.3d/v1/<Time>/layer.json" method="GET" />



| Parameter | Example | Description |
| --------------- | -------- | ------------------------------------------------------------------------------------------------------------------------- |
| Time (optional) | 20201203 | Date of tile generation in (ISO-8601). If no date is provided, it returns the metadata for the most recent terrain tiles. |
| Time (optional) | 20250101 | Date of tile generation in ISO-8601 (YYYYMMDD). If you omit this parameter, the most recent metadata is returned. |

Example of a metadata request for the date `20201203`:
Example of a metadata request for the date `20250101`:

<ExampleCodeBlock
request="curl --compressed https://3d.geo.admin.ch/ch.swisstopo.terrain.3d/v1/20201203/layer.json"
request="curl --compressed https://3d.geo.admin.ch/ch.swisstopo.terrain.3d/v1/20250101/layer.json"
example='{
"attribution": "Put something there",
"available": [...],
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