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# Get Topography
Using the data from https://opentopography.org/, it is possible to retrieve the topography of an area. However, for EU, the most accurate resolution is 30 meters (1 pixel is 30m*30m), which might not be enought for the use case.
![Saintes topography](./assets/saintes.jpg)
Use this as an example, but first, look for more accurate data keywords are : `topography` and `bathymetry`.
Some links that I did not explore:
- https://www.shom.fr/fr/nos-domaines-dexpertise/bathymetrie
- https://diffusion.shom.fr/donnees/bathymerie.html
- https://www.data.gouv.fr/fr/datasets/bathymetrie/
- https://services.meteofrance.com/marine-et-offshore/marine/bathymetrie
- https://www.francetopo.fr
- https://www.geoportail.gouv.fr/donnees/carte-topographique-ign
- https://www.data.gouv.fr/fr/reuses/topoexport-terrain-3d/
- https://www.cartesfrance.fr/geographie/cartes-relief/
But I think you know how to use Google, so do your own research!
## Install
```bash
pip install -r requirements.txt
```
## Use
Update `cfg.py` with the coordinates of interests (Saintes by default).
Download the referring data:
```bash
python3 dl_opentopo.py
```
Show the topography:
```bash
python3 show_opentopo.py
```