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File:population-earth2.png: Difference between revisions
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* [[:File:borders-black-on-white.png]] | * [[:File:borders-black-on-white.png]] | ||
[[Image generator]] code: | [[Code:isochromic.c|Image generator]] code: | ||
<syntaxhighlight> | <syntaxhighlight> | ||
## All input files are 8640x4320, which will be scaled down to 2160x1080 | ## All input files are 8640x4320, which will be scaled down to 2160x1080 | ||
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borders << data/borders-black-on-white.png | borders << data/borders-black-on-white.png | ||
borders @@ negative | borders @@ negative | ||
borders @@ | borders @@ $width/4 | ||
borders @@ | borders @@ $height/4 | ||
main.r >= borders | main.r >= borders | ||
main.g >= borders | main.g >= borders | ||
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# add the population | # add the population | ||
pop << data/population.data-float64-8640x4320 | pop << data/population.data-float64-8640x4320 | ||
pop @@ | pop @@ $width/4 # the '$' preserves the total population | ||
pop @@ | pop @@ $height/4 # same | ||
pop /= 440000 # max people per pixel | pop /= 440000 # max people per pixel | ||
pop @@ spread | pop @@ spread | ||