Rescales ratings so the lowest becomes 0 and the highest is 5.
Groups nearby pins into a single bubble until sufficiently zoomed in.
Draws the crawl line connecting all visits in chronological order.
Renders a heatmap for frequently visited areas — topological bands, or a soft cloud-like glow.
Tiles the map into "closest shop" territories, tinted by rating.
Sets the color gradient used for rating bubbles.
Randomized Street View close to coffee coordinates - not always on the street, and not always close to the spot...