Adjacent: Maps & Data · Adjacent
Cartography & Map Projections
Why every flat map lies: Gauss's theorem, what projections preserve (angles, area, distance), Mercator's navigation map and its Greenland problem, Gall–Peters, Robinson, Winkel tripel and Web Mercator, Tissot's indicatrix, and how to choose.
Step 1 of 5 · Overview25 min read ·
Key idea
Prereqs: Latitude & longitude. Next: GIS & satellite data. Sources: John P. Snyder, *Flattening the Earth* (1993); USGS *Map Projections—A Working Manual*; Mark Monmonier, *How to Lie with Maps*.Next: 1. Why distortion is unavoidable