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>GeeksForGeeks</
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>D3.js | ribbon.radius() Function</
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// Create the svg area
var svg = d3.select("#GFG")
.append("svg")
.attr("width", 320)
.attr("height", 320)
.append("g")
.attr("transform", "translate(160, 160)")
// Create input data
var data = [[0, 58, 71, 89, 16, 28, 68, 0],
[0, 19, 51, 0, 20, 60, 61, 71],
[80, 10, 16, 145, 0, 80, 45, 0],
[0, 10, 13, 9, 90, 94, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0]];
// 4 groups, so create a vector of 4 colors
var colors = [d3.schemeSet1[7], d3.schemeSet1[6],
d3.schemeSet1[5], d3.schemeSet1[4],
d3.schemeSet1[3], d3.schemeSet1[2],
d3.schemeSet1[1], d3.schemeSet1[0]];
// Give this matrix to d3.chord()
var chords = d3.chord()(data)
var rib = d3.ribbon()
// Use of ribbon.radius() function
.radius(150);
svg.datum(chords)
.append("g")
.selectAll("path")
.data(function (d) { return d; })
.enter()
.append("path")
.attr("d", rib)
.style("fill", function (d) {
return (colors[d.source.index])
})
.style("stroke", "black");
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