18 lines
456 B
JavaScript
18 lines
456 B
JavaScript
import {asin, sqrt} from "../math.js";
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import {azimuthalRaw, azimuthalInvert} from "./azimuthal.js";
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import projection from "./index.js";
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export var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) {
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return sqrt(2 / (1 + cxcy));
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});
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azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) {
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return 2 * asin(z / 2);
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});
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export default function() {
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return projection(azimuthalEqualAreaRaw)
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.scale(124.75)
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.clipAngle(180 - 1e-3);
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}
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