# Licensing — Citymirror data store (v1)

Generated 2026-08-23T21:37:56.761Z · 170 layers · 635,377 features

Citymirror publishes this store as a convenience copy of third-party open data. Each layer keeps its publisher's licence — see layers[].licence. Citymirror claims no rights over the underlying data; only the compilation, schema and annotations are ours (CC BY 4.0).

Every layer's own licence, publisher, coverage and fetch date are in
`catalog.json` (`layers[].licence`, `layers[].licenceInfo`) and in each
layer's `meta.json`. Licence families present in this store:

- CC-BY-4.0
- CrownEstate-Open
- MMO
- NESO-Open
- NPg-Open-1.0
- NSTA-OUL
- ODbL-1.0
- OGL-3.0
- ScottishWater-Open

## Share-alike layers — read this before redistributing

These layers are derived from OpenStreetMap and licensed under the Open Database Licence (ODbL) v1.0. Each Parquet file is a Database under ODbL, not a Produced Work: if you publicly use, redistribute or build a derivative database from one, you must attribute © OpenStreetMap contributors and offer that database under ODbL. https://opendatacommons.org/licenses/odbl/

**37 of 170 layers** (104,981 features) are affected:

- `digital/antenna`
- `digital/centralOffices`
- `digital/commTower`
- `digital/connectionPoints`
- `digital/mast`
- `digital/osmDataCentre`
- `digital/radioMasts`
- `digital/satelliteDish`
- `digital/serviceDevices`
- `digital/streetCabinet`
- `digital/telecomManholes`
- `digital/telecomOffice`
- `digital/telecomPole`
- `digital/telephoneExchange`
- `digital/tower`
- `energy/batteryPlants`
- `energy/converters`
- `energy/hydroPlants`
- `energy/osmPowerLines`
- `energy/osmPowerSubstations`
- `energy/transmissionSubstations`
- `ground-conditions/mineshafts`
- `ground-conditions/quarries`
- `materials-waste/activeLandfill`
- `materials-waste/pumpingStations`
- `materials-waste/quarries`
- `materials-waste/recyclingCentres`
- `materials-waste/scrapYards`
- `materials-waste/wasteTransfer`
- `materials-waste/wastewaterPlants`
- `materials-waste/waterWorks`
- `transport/bikeShare`
- `transport/evCharging`
- `transport/levelCrossings`
- `transport/parkAndRide`
- `transport/serviceAreas`
- `transport/tramStops`

Layers not listed above are not share-alike. Attribution is still required
by most of their licences — see each layer's `licence` field.