By their calculations, the Mercator projection scores 8.296 and Winkel Tripel does better at 4.563. Their own azimuthal equidistant double-sided projection, meanwhile, scores 0.881.

Rogerson’s technique uses what geographers call an azimuthal equidistant map projection, which preserves important qualities related to distance when a rounded 3-D portion of ... For Center, North ...