Visualization toolmaker. Founder @observablehq. Creator @d3. Former @nytgraphics. Pronounced BOSS-tock.
function interpolateCividis(x) {
x = Math.max(0, Math.min(1, x));
return `rgb(${[
-4.54 - x * (35.34 - x * (2381.73 - x * (6402.7 - x * (7024.72 - x * 2710.57)))),
32.49 + x * (170.73 + x * (52.82 - x * (131.46 - x * (176.58 - x * 67.37)))),
81.24 + x * (442.36 - x * (2482.43 - x * (6167.24 - x * (6614.94 - x * 2475.67))))
].map(Math.floor).join(", ")})`;
}
lutCividis = (await d3.text("https://raw.githubusercontent.com/fiji/fiji/fiji-2.0.0-pre-7/luts/cividis.txt"))
.trim()
.split("\r\n")
.map(d => [+d.slice(0, 6), +d.slice(7, 13), +d.slice(14)])
regression.polynomial(lutCividis.map(([r, g, b], i) => [i / 255, r * 255]), {order: 5})
regression.polynomial(lutCividis.map(([r, g, b], i) => [i / 255, g * 255]), {order: 5})
regression.polynomial(lutCividis.map(([r, g, b], i) => [i / 255, b * 255]), {order: 5})
regression = require("regression@2")
d3 = require("d3-fetch@1", "d3-color@1")
import {ramp} from "@mbostock/color-ramp"
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