Blog

Notes on covering ground: what a fog of war map is, how it differs from the apps you already use, and what it takes to finish a city.

• What a fog of war map app is The idea comes from strategy games: the world starts hidden and is revealed by going there. Applied to real streets, the interesting part turns out to be what happens after you leave.
• Heat map vs fog of war They look similar and answer opposite questions. One shows where you go often and fades; the other shows everywhere you have ever been and does not. Which you want depends on what you are trying to see.
• A Wandrer alternative Wandrer scores the percentage of a region's roads you have travelled. Jerv covers ground rather than roads, and keeps a permanent map instead of a percentage. An honest comparison, including what Wandrer does better.