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15 lines
372 B
15 lines
372 B
import {geoProjection as projection} from "d3-geo";
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import {pi, sqrt} from "./math.js";
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export function wagner6Raw(lambda, phi) {
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return [lambda * sqrt(1 - 3 * phi * phi / (pi * pi)), phi];
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}
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wagner6Raw.invert = function(x, y) {
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return [x / sqrt(1 - 3 * y * y / (pi * pi)), y];
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};
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export default function() {
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return projection(wagner6Raw)
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.scale(152.63);
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}
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