Created
February 17, 2016 12:25
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Alberti Cipher Disk in D3
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| <html> | |
| <head> | |
| <title>Alberti Cipher Disk</title> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| </head> | |
| <body> | |
| <div id="chart"></div> | |
| <script> | |
| var width = 300, | |
| height = 300, | |
| radius = Math.min(width, height) / 2; | |
| var dataset = "ABCDEFGILMNOPQRSTUXZ1234".split(""); | |
| var color = d3.scale.category20b(); | |
| var svg = d3.select('#chart') | |
| .append('svg') | |
| .attr('width', width) | |
| .attr('height', height) | |
| .append('g') | |
| .attr('transform', 'translate(' + (width / 2) + ',' + (height / 2) + ')'); | |
| var arc = d3.svg.arc() | |
| .outerRadius(radius - 10) | |
| .innerRadius(radius - 40); | |
| var pie = d3.layout.pie() | |
| .value(function(d) {return 1;}) | |
| .startAngle(-7.5 * Math.PI/180) | |
| .endAngle(-7.5 * Math.PI/180 + 2*Math.PI) | |
| .padAngle(.01) | |
| .sort(null); | |
| var arcs = svg.selectAll('g.slice') | |
| .data(pie(dataset)) | |
| .enter() | |
| .append('svg:g') | |
| .attr('class', 'slice'); | |
| arcs.append("svg.path") | |
| .attr('d', arc) | |
| .attr('fill', function(d, i) { | |
| console.log(d); | |
| return color(d.data); | |
| }) | |
| .attr('id', function(d, i) { return 'slice-' + i;}); | |
| arcs.append("text") | |
| .attr("transform", function(d) { | |
| d.innerRadius = 0; | |
| d.outerRadius = radius; | |
| return "translate(" + arc.centroid(d) + ")"; | |
| }) | |
| // .attr("dy", -13) | |
| .attr("text-anchor", "middle") | |
| .text(function(d) { | |
| return d.data; | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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