File:land-crop1.png: Difference between revisions

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==Summary==
Map of Earth with all crop land shown in black.


[[Code:isochromic.c|Image generator]] code:
cropland<< data/cropland.data-float32-4320x2160  # crop land density
earth  << data/blue-marble-posterized.png      # base layer
cropland >= 0      # remove junk data
cropland :: earth.r # resize to fit base layer
earth.r -= cropland
earth.g -= cropland
earth.b -= cropland
earth.r @@ 01
earth.g @@ 01
earth.b @@ 01
earth >> data/land-crop1.png