Linkable and lightweight map with data provided by Maanmittauslaitos (National Land Survey of Finland).
Example: https://14142.net/mml/
Maanmittauslaitos publishes some of its mapping data as open data. Particularly data provided by Web Map Tile Service (WMTS) is utilised using the following external JavaScript libraries:
- https://github.com/Leaflet/Leaflet
- https://github.com/kartena/Proj4Leaflet
- https://github.com/proj4js/proj4js
Because Maanmittauslaitos refuces to make its map products (Karttapaikka and Karttaikkuna - Paikkatietoikkuna) linkable with any other coordinates than ETRS-TM35FIN.
Because Karttapaikka comes with a splash screen. In 2016. It downloads four megabytes of minified JavaScript code.