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xxxxxxxxxx<head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v4.min.js"></script> <style> body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } </style></head><body> <script> // Feel free to change or delete any of the code you see in this editor! const width = 960; const height = 500; var svg = d3.select("body").append("svg") .attr("width", 960) .attr("height", 500) // data array to work with let datum = d3.range(7); // the below area let belowArea = d3.area() .x((d) => { return d.x; }) .y1((d) => { return d.y; }) .y0((d) => { return 0; }) .curve(d3.curveBasis); // the above area let aboveArea = d3.area() .x((d) => { return d.x; }) .y1((d) => { return -d.y; }) .y0((d) => { return 0; }) .curve(d3.curveBasis); let data = [{x:0, y:0}, {x:30, y:30}, {x:120, y:0}, {x:30, y:-30}, {x:0, y:0} ] let g = svg.append('g') .attr('transform', 'translate(' + width/2 + ',' + height/2 + ')'); g.selectAll('leaf') .data(datum) .enter() .append('g') .classed('leaf', true) .attr('transform', function (d, i) { return 'rotate(' + (360 * i / datum.length) + ') translate(10,0) '; }); d3.selectAll('.leaf') .append('path') .datum(data) .attr('d', belowArea) .style('fill', '#eee'); let dataViz = [{x:0, y:0}, {x:30, y:30*30/100}, {x:120*30/100, y:0}, {x:30, y:-30}, {x:0, y:0} ]; // data viz d3.selectAll('.leaf') .append('path') .datum(dataViz) .attr('d', belowArea) .classed('elements', true) .style('fill', 'blue'); </script></body> https://d3js.org/d3.v4.min.js