"Why would a JSON file be GBs in size?" Maps. [0] Geo-cordinate data can consist of tens of thousands of data points. For example, think of a two dimensional

"Why would a JSON file be GBs in size?" Maps. [0] Geo-cordinate data can consist of tens of thousands of data points. For example, think of a two dimensional space with a co-ordinate grid at regular intervals representing a 20km x 20km city. Then imagine creating an outline of a city road network. Each point a LAT/LON co-ordinate. Then imagine placing thematic data such as known traffic hot spots. Lots of data. [0] The author has this post in his blog ~ https://peteris.rocks/blog/openstreetmap-city-blocks-as-geojson-polygons/ https://peteris.rocks/blog/openstreetmap-city-blocks-as-geoj...