Data and credits
Mappa ships its reference data with the app and credits each source below. No map keys or tile services are used.
Country shapes: Natural Earth
Public domain shapes at 1:110m and 1:50m scale, via the world-atlas package. Disputed areas follow Natural Earth's defaults and are illustrative.
https://www.naturalearthdata.com/Cities: GeoNames
Cities with 15,000+ people, their time zones and elevations from GeoNames (geonames.org), licensed CC BY 4.0. Attribution: GeoNames.
https://www.geonames.org/World Heritage sites and landmarks: Wikidata
Site names, locations, World Heritage ids and types, and a curated set of about 5,000 landmarks ranked by how many Wikipedias cover them. Wikidata is CC0. Each World Heritage site links to its page on UNESCO's site; UNESCO's descriptions, photos and emblem are not copied.
https://www.wikidata.org/Airports: OurAirports
Airports with scheduled service and an IATA code, from OurAirports (public domain).
https://ourairports.com/data/Languages and currencies: Unicode CLDR
Official languages and currencies per country from the Unicode Common Locale Data Repository, Unicode License v3.
https://cldr.unicode.org/Flight emission factors: UK DESNZ
Greenhouse gas conversion factors published by the UK Department for Energy Security and Net Zero, Open Government Licence v3.0. Used only if you switch on the flight emissions estimate.
https://www.gov.uk/government/collections/government-conversion-factors-for-company-reportingFlags: flag-icons
Flag artwork from the flag-icons project, MIT licence.
https://github.com/lipis/flag-iconsCountry list
ISO 3166-1 codes, continents and areas from mledoze/countries (ODbL).
https://github.com/mledoze/countriesHow imports stay private
Timeline files and photos are read in your browser. Only cluster centres are sent to look up city names, and only the places you confirm are saved.
For your personal records. Borders on the map are illustrative.