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16 lines
395 B
16 lines
395 B
4 months ago
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import {geoProjection as projection} from "d3-geo";
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import {atan, exp, log, quarterPi, pi, tan} from "./math.js";
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export function millerRaw(lambda, phi) {
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return [lambda, 1.25 * log(tan(quarterPi + 0.4 * phi))];
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}
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millerRaw.invert = function(x, y) {
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return [x, 2.5 * atan(exp(0.8 * y)) - 0.625 * pi];
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};
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export default function() {
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return projection(millerRaw)
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.scale(108.318);
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}
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