The avatar for @jobleonard
Job van der Zwan
Tinkering with code and algorithms for fun
Published
Edited
Apr 11, 2020
1 fork
Importers
8 stars
2
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// replace `img = imgDavid` with `img = imGradientColor` to see a color test image instead
img = imgDavid
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getAlternatingThreshold = {
const thresholds2x2 = [
1,2,
2,1
].map(v => 85*v);
function get2x2threshold(x, y) {
return thresholds2x2[(x&1) + ((y&1)<<1)];
}
get2x2threshold.label = "2×2"
return get2x2threshold;
}
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import {hcurveIndices} from "@jobleonard/a-simple-algorithm-to-generate-h-curves"
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import {hicurveIndices} from "@jobleonard/the-hi-curve"
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david = await FileAttachment("david2.jpg")
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