quoting Rhetorica, Duchess of Space:The bar is about 43.6 pixels wide, or 21.8 px/km. Binarizing the image at a level of 229 (about half way between the water/land luminosities) gives 1011711 white pixels. That leaves us with 2128.84 km² of land.
stoichiometry, bitches
quoting Rhetorica, Duchess of Space:Photoshop's histogram tool. Good fucking god, never use Imagick for anything.
quoting Nessari, Illúbequía, Seattle, Cascadia:I get the feeling sometimes that I'm about the only person (who isn't an antipiracy nut or open source eugenicist) that doesn't have an installation of photoshop somewhere.