Created
October 4, 2011 17:51
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Bakery
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Pie Chart</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?2.3.0"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js?2.3.0"></script> | |
| <style type="text/css"> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <p style="font-size:12pt;">Click in the box to bake a pie!<p> | |
| <script type="text/javascript"> | |
| function bakepie(classname, data, x, y, r) | |
| { | |
| //color could be made a parameter | |
| var color = d3.scale.category10() | |
| var arc = d3.svg.arc().outerRadius(r) | |
| var donut = d3.layout.pie(); | |
| var pie = d3.select("#charts") | |
| .append("svg:g") | |
| //.data([data.sort(d3.descending)]) | |
| .data([data]) | |
| .attr("class", classname); | |
| var arcs = pie.selectAll("g.arc") | |
| .data(donut) | |
| .enter().append("svg:g") | |
| .attr("class", "arc") | |
| .attr("transform", "translate(" + x + "," + y + ")"); | |
| var paths = arcs.append("svg:path") | |
| .attr("fill", function(d, i) { return color(i); }) | |
| .attr("fill-opacity", .6); | |
| var tweenPie = function (b) { | |
| b.innerRadius = 0; | |
| var i = d3.interpolate({startAngle: 0, endAngle: 0}, b); | |
| return function(t) { | |
| return arc(i(t)); | |
| }; | |
| } | |
| var tweenDonut = function (b) { | |
| b.innerRadius = r * .6; | |
| var i = d3.interpolate({innerRadius: 0}, b); | |
| return function(t) { | |
| return arc(i(t)); | |
| }; | |
| } | |
| paths.transition() | |
| .ease("bounce") | |
| .duration(2000) | |
| .attrTween("d", tweenPie); | |
| paths.transition() | |
| .ease("elastic") | |
| .delay(function(d, i) { return 2000 + i * 50; }) | |
| .duration(750) | |
| .attrTween("d", tweenDonut); | |
| } | |
| //setup svg canvas | |
| d3.select("body") | |
| .append("svg:svg") | |
| .attr("width", 1000) | |
| .attr("height", 700) | |
| .attr("id", "charts") | |
| .on("click", clickypie) | |
| .append("svg:rect") | |
| .attr("width", "100%") | |
| .attr("height", "100%") | |
| .attr("stroke", "#000") | |
| .attr("stroke-width", 3) | |
| .attr("fill", "none") | |
| count = 0 | |
| function clickypie() | |
| { | |
| count += 1; | |
| var xy = d3.svg.mouse(this); | |
| var r = 50 + Math.random() * 100; | |
| var data = d3.range(10).map(Math.random) | |
| bakepie("pie"+count, data, xy[0], xy[1], r); | |
| }; | |
| /* | |
| var data = d3.range(10).map(Math.random) | |
| bakepie("pie1", data, 100, 100, 100); | |
| data = d3.range(20).map(Math.random) | |
| bakepie("pie2", data, 200, 200, 150); | |
| data = d3.range(30).map(Math.random) | |
| bakepie("pie3", data, 300, 300, 200); | |
| */ | |
| </script> | |
| </body> | |
| </html> |
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