Second demo of consuming Heroku DataClips with D3.js.
Data source: https://dataclips.heroku.com/vgyygvzqtezwpmwpcmmjlluamjlk (.json)
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December 18, 2015 03:18
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DataClips + D3.js Force-Directed
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { font-family: sans-serif; } | |
| </style> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <body> | |
| <script> | |
| // var resource = 'https://dataclips.heroku.com/vgyygvzqtezwpmwpcmmjlluamjlk.json'; | |
| // Replaced with local copy (CORS) | |
| var format = d3.time.format("%Y-%m-%d"), | |
| margin = {top: 20, right: 20, bottom: 30, left: 40}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var force = d3.layout.force() | |
| .gravity(0.1) | |
| .charge(function(d, i) { return d.amount * -1; }) | |
| .size([width, height]); | |
| var color = d3.scale.category10(); | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| d3.json('sample.json', function(error, data) { | |
| console.log(data) | |
| data.values.forEach(function(d) { | |
| d.date = format.parse(String(d[0]).substring(0, 10)); | |
| d.amount = d[1]; | |
| console.log("Spent $" + d.amount + " on " + d.date); | |
| }); | |
| force | |
| .nodes(data.values) | |
| .start(); | |
| var node = svg.selectAll("g.node") | |
| .data(data.values) | |
| .enter() | |
| .append("g") | |
| .attr("class", "node") | |
| .call(force.drag); | |
| node.append("circle") | |
| .attr("r", function(d) { return d.amount * .1; }) | |
| .attr("opacity", .67) | |
| .attr("fill", function(d){ | |
| if (d.amount <= 800) { | |
| return "#27ae60" // Green | |
| } else if (d.amount > 800 && d.amount <= 900) { | |
| return "#f1c40f" // Yellow | |
| } else if (d.amount > 900 && d.amount <= 1000) { | |
| return "#e67e22" // Orange | |
| } else { | |
| return "#c0392b" // Red | |
| } | |
| }); | |
| node.append("text") | |
| .text(function(d){ return d.date.toString().substring(4,7); }) | |
| .attr('fill', '#fff') | |
| .attr('font-size', 24) | |
| .attr('dx', -16) | |
| .attr('dy', -5); | |
| node.append("text") | |
| .text(function(d){ return '$' + d.amount; }) | |
| .attr('fill', '#fff') | |
| .attr('dx', -25) | |
| .attr('dy', 15); | |
| force.on("tick", function() { | |
| node | |
| .attr('transform', function(d) { return 'translate('+ Math.max(20, Math.min(width-20, d.x)) + ',' + Math.max(20, Math.min(height-20, d.y)) + ')'; }); | |
| }); | |
| }) | |
| </script> | |
| </body> |
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| { | |
| "fields":["month","book_purchases"], | |
| "values":[ | |
| ["2011-01-01 00:00:00+00","747.58"], | |
| ["2011-02-01 00:00:00+00","953.48"], | |
| ["2011-03-01 00:00:00+00","767.51"], | |
| ["2011-04-01 00:00:00+00","1221.28"], | |
| ["2011-05-01 00:00:00+00","931.50"], | |
| ["2011-06-01 00:00:00+00","1045.41"], | |
| ["2011-07-01 00:00:00+00","863.42"], | |
| ["2011-08-01 00:00:00+00","629.56"], | |
| ["2011-09-01 00:00:00+00","681.56"], | |
| ["2011-10-01 00:00:00+00","827.51"], | |
| ["2011-11-01 00:00:00+00","701.55"], | |
| ["2011-12-01 00:00:00+00","771.57"] | |
| ] | |
| } |
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