Software engineer at Hugging Face. Prototyping here with JS, d3, three.js.
chart = {
const svg = d3.create("svg").attr("viewBox", [0, 0, width, height]);
const g = svg.append("g").attr("cursor", "grab");
const circle = g
.selectAll("circle")
.data(data)
.join("circle")
.attr("transform", d => `translate(${d})`)
.attr("r", radius)
.attr("fill", (d, i) => d3.interpolateRainbow(i / 360))
.call(
d3
.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended)
);
svg.call(
d3
.zoom()
.extent([[0, 0], [width, height]])
.scaleExtent([1 / 8, 8])
.on("zoom", zoomed)
);
function dragstarted() {
d3.select(this).raise();
g.attr("cursor", "grabbing");
}
function dragged(d) {
const transform = d3.zoomTransform(svg.node());
const [x, y] = transform.invert([d3.event.x, d3.event.y]);
d[0] = x;
d[1] = y;
d3.select(this).attr("transform", `translate(${transform.apply(d)})`);
}
function dragended() {
g.attr("cursor", "grab");
}
function zoomed() {
const { transform } = d3.event;
circle.attr("transform", d => `translate(${transform.apply(d)})`);
}
return svg.node();
}
height = 500
radius = 6
step = radius * 2
data = Array.from({ length: 2000 }, (_, i) => {
const radius = step * Math.sqrt((i += 0.5)),
a = theta * i;
return [width / 2 + radius * Math.cos(a), height / 2 + radius * Math.sin(a)];
})
theta = Math.PI * (3 - Math.sqrt(5))
d3 = require("d3@5")
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