Created
January 25, 2018 23:41
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Multi-Ring Synchronized Value Pie
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <div id="chart"></div> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var data = [ | |
| {name: "USA", value: 40, secondary_value: 37, tertiary_value: 12}, | |
| {name: "UK", value: 20, secondary_value: 96, tertiary_value: 16}, | |
| {name: "Canada", value: 30, secondary_value: 64, tertiary_value: 18}, | |
| {name: "Mexico", value: 10, secondary_value: 5, tertiary_value: 19}, | |
| ]; | |
| var width = 400, | |
| height = width, | |
| radius = width/2; | |
| var pie = d3.pie() | |
| .value(function(d){ | |
| return d.value; | |
| }); | |
| var circlesToMake = 3, | |
| circleThickness = 50, | |
| circleBuffer = 5, | |
| circleDataLabels = ["value", "secondary_value", "tertiary_value"]; | |
| var colorScale = d3.scaleOrdinal(d3.schemeCategory10); | |
| var svg = d3.select("#chart").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var arcs = [], | |
| canvases = [], | |
| circles = [], | |
| slicesets = [], | |
| textsets = []; | |
| for (var iter = 0; iter < circlesToMake; iter++){ | |
| innerRadius = radius - (iter * (circleThickness + circleBuffer)) - circleThickness; | |
| outerRadius = radius - (iter * (circleThickness + circleBuffer)); | |
| arcs[iter] = d3.arc() | |
| .outerRadius(outerRadius) | |
| .innerRadius(innerRadius); | |
| canvases[iter] = svg.append("g") | |
| .attr("transform", `translate(${width-radius}, ${height-radius})`); | |
| circles[iter] = canvases[iter].selectAll("path") | |
| .data(pie(data)) | |
| .enter() | |
| .append("g") | |
| .attr("class", "slice") | |
| slicesets[iter] = canvases[iter].selectAll("g.slice") | |
| .append("path") | |
| .attr("fill", function(d, i){ | |
| return colorScale(i); | |
| }) | |
| .attr("d", arcs[iter]); | |
| textsets[iter] = canvases[iter].selectAll("g.slice") | |
| .append("text") | |
| .text(function(d, i){ | |
| return d.data[circleDataLabels[iter]]; | |
| }) | |
| .attr("text-anchor", "middle") | |
| .attr("fill", "white") | |
| .attr("transform", function(d){ | |
| d.innerRadius = innerRadius; | |
| d.outerRadius = outerRadius; | |
| return `translate(${arcs[iter].centroid(d)})`; | |
| }); | |
| } | |
| </script> |
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