chart = {
const root = tree(data);
const svg = d3.create("svg")
.style("max-width", "100%")
.style("height", "auto")
.style("font", "36px sans-serif")
.style("margin", "5px");
const link = svg.append("g")
.attr("fill", "none")
.attr("stroke", "#000")
//.attr("stroke", data.value)
.attr("stroke-opacity", 0.4)
.attr("stroke-width", 3.5)
.selectAll("path")
.data(root.links())
.join("path")
.attr("d", d3.linkRadial()
.angle(d => d.x)
.radius(d => d.y));
const node = svg.append("g")
.attr("stroke-linejoin", "round")
.attr("stroke-width", 3)
.selectAll("g")
.data(root.descendants().reverse())
.join("g")
.attr("transform", d => `
rotate(${d.x * 180 / Math.PI - 90})
translate(${d.y},0)
`);
node.append("circle")
.attr("fill", d => d.children ? "#555" : "#999")
.attr("r", 2.5);
node.append("text")
.attr("dy", "0.31em")
.attr("x", d => d.x < Math.PI === !d.children ? 6 : -6)
.attr("text-anchor", d => d.x < Math.PI === !d.children ? "start" : "end")
.attr("transform", d => d.x >= Math.PI ? "rotate(180)" : null)
.text(d => d.data.name)
.clone(true).lower()
.attr("stroke", "white");
yield svg.node();
svg.attr("viewBox", autoBox);
}
function autoBox() {
const {x, y, width, height} = this.getBBox();
return [x, y, width, height];
}
data = ( {"name": "UNKLE LEGO", "children": [
{"name": "Strandfundster", "children": [
{"name": "Forsteninger", "value": 3938},
{"name": "Drivtømmer", "value": 3938}
]},
{"name": "Open Source", "children": [
{"name": "Makecode", "value": "#FF0"},
{"name": "Python3", "value": 3938},
{"name": "Turtle", "value": 3938},
{"name": "Scratch3", "value": 3938}
]},
{"name": "STEAM", "children": [
{"name": "BBC MICRO", "value": 3938},
{"name": "ADAFRUIT CIRCUIT", "value": 3938}
]},
{"name": "LEGO", "children": [
{"name": "Analogue Spiro lego", "value": 3812},
{"name": "Turtle ps3", "value": 3812},
{"name": "Boost - Move Hub", "value": 3812},
{"name": "EV3 - python", "value": 3812},
{"name": "Repetitionals", "value": 3812},
{"name": "Animals", "value": 3938}
]},
{"name": "Teknikker", "children": [
{"name": "Gnub", "value": "red"},
{"name": "Pattern Bricks", "value": 3938},
{"name": "Gel plates", "value": 3938},
{"name": "Stencils Archive", "value": 3938},
{"name": "T-shirt", "value": 3938}
]}
]}
)
tree = data => d3.tree()
.size([2 * Math.PI, radius])
.separation((a, b) => (a.parent == b.parent ? 1 : 2) / a.depth)
(d3.hierarchy(data))
width = 2500
radius = width / 2
d3 = require("d3@5")
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