Created
October 19, 2011 17:08
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a very simple pie chart
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| {"scores": [ {"naam":"David", | |
| "comp":3, | |
| "thingy": 80, | |
| "parts": [{"test": "3", "score": 7}, | |
| {"test": "4", "score": 12}, | |
| {"test": "5", "score": 12}] | |
| }, | |
| {"naam":"David", | |
| "comp":2, | |
| "thingy": 100, | |
| "parts": [{"test": "3", "score": 5}, | |
| {"test": "4", "score": 16}, | |
| {"test": "5", "score": 14}] | |
| }, | |
| {"naam":"David", | |
| "comp":1, | |
| "thingy": 90, | |
| "parts": [{"test": "3", "score": 1}, | |
| {"test": "4", "score":12}, | |
| {"test": "5", "score": 16}] | |
| }, | |
| {"naam":"Jack", | |
| "comp":3, | |
| "thingy": 70, | |
| "parts": [{"test": "3", "score": 3}, | |
| {"test": "4", "score": 10}, | |
| {"test": "5", "score": 9}] | |
| }, | |
| {"naam":"Jack", | |
| "comp":2, | |
| "thingy": 100, | |
| "parts": [{"test": "3", "score": 4}, | |
| {"test": "4", "score": 9}, | |
| {"test": "5", "score": 8}] | |
| }, | |
| {"naam":"Jack", | |
| "comp":1, | |
| "thingy": 40, | |
| "parts": [{"test": "3", "score": 4}, | |
| {"test": "4", "score": 8}, | |
| {"test": "5", "score": 7}] | |
| }, | |
| {"naam":"Peter", | |
| "comp":3, | |
| "thingy": 20, | |
| "parts": [{"test": "3", "score": 3}, | |
| {"test": "4", "score": 6}, | |
| {"test": "5", "score": 10}] | |
| }, | |
| {"naam":"Peter", | |
| "comp":2, | |
| "thingy": 80, | |
| "parts": [{"test": "3", "score": 2}, | |
| {"test": "4", "score": 15}, | |
| {"test": "5", "score": 20}] | |
| }, | |
| {"naam":"Peter", | |
| "comp":1, | |
| "thingy": 75, | |
| "parts": [{"test": "3", "score": 10}, | |
| {"test": "4", "score": 19}, | |
| {"test": "5", "score": 17}] | |
| } | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Another try at boulderpie</title> | |
| <script type="text/javascript" src="../../D3/d3.js"></script> | |
| <script type="text/javascript" src="../../D3/d3.layout.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="tjaart"> | |
| </div> | |
| <script type="text/javascript"> | |
| var currentComp=1; | |
| var currentStep=0; | |
| var w = 50, | |
| h = 50, | |
| r = w/2, | |
| ir = 0; | |
| var tweenDuration = 400; | |
| var pieData = []; | |
| var oldpieData = []; | |
| var radius = d3.scale.linear().range([0, w/2]), | |
| color = d3.scale.ordinal().domain(["3","4","5"]).range(["red", "green", "blue"]); | |
| d3.json("datafile.json", function(ingelezen) { | |
| filterData = ingelezen.scores.filter(function(d) { return d.comp==currentComp; }); | |
| preppedData = filterData[currentStep].parts, function(d) { return d; }; | |
| // preppedData = filterData, function(d) { return d.parts, function(e) { return e; }}; | |
| console.log(preppedData); | |
| donut = d3.layout.pie().value(function(d) { return d.score; }); | |
| // donut = d3.layout.pie().value(function(d, i) { return d3.values(d.parts[i]); }); | |
| pieData = donut(preppedData); | |
| // pieData = donut(filterData, function(d, i) { return d3.values(d.parts[i]); }); | |
| // pieData = donut(filterData, function(d, i) { return d.parts[i]; }); | |
| // pieData = donut(filterData, function(d, i) { return d3.values(d.parts[i]); }); | |
| maX = d3.max(filterData, function(d) { return d.thingy; } ); | |
| radius.domain([0, maX]); | |
| arc = d3.svg.arc() | |
| .startAngle(function(d) { return d.startAngle; }) | |
| .endAngle(function(d) { return d.endAngle; }) | |
| .innerRadius(ir) | |
| .outerRadius(radius(filterData[currentStep].thingy)); | |
| // .outerRadius(function(d) { return radius(d.thingy); }); | |
| // .outerRadius(r); | |
| vis = d3.select("#tjaart") | |
| .data(filterData) | |
| // .data(filterData, function(d) { return d; }) | |
| .append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .attr("transform", function(d,i) { return "translate(" + 20 + "," + (i*60) + ")"; }); | |
| arc_group = vis.append("svg:g") | |
| .attr("class", "arc") | |
| .attr("transform", "translate(" + (w/2) + "," + (h/2) + ")"); | |
| paths = arc_group.selectAll("path") | |
| .data(pieData) | |
| // .data(donut(preppedData)) | |
| // .data(donut(filterData, function(d) { return d.parts; })); | |
| // .data(donut(filterData, function(d) { return d3.values(d.parts); })); | |
| paths.enter().append("svg:path") | |
| .style("fill", function(d) { return color(d.data.test); }) | |
| .style("stroke", function(d, i) { return d.data.score > 0 ? d3.rgb(color(i)).darker() : null; }) | |
| .transition() | |
| .duration(tweenDuration) | |
| .ease("bounce") | |
| .attrTween("d", pieTween); | |
| // Interpolate the arcs in data space. | |
| function pieTween(d, i) { | |
| var s0; | |
| var e0; | |
| if(oldpieData[i]){ | |
| s0 = oldpieData[i].startAngle; | |
| e0 = oldpieData[i].endAngle; | |
| } else if (!(oldpieData[i]) && oldpieData[i-1]) { | |
| s0 = oldpieData[i-1].endAngle; | |
| e0 = oldpieData[i-1].endAngle; | |
| } else if(!(oldpieData[i-1]) && oldpieData.length > 0){ | |
| s0 = oldpieData[oldpieData.length-1].endAngle; | |
| e0 = oldpieData[oldpieData.length-1].endAngle; | |
| } else { | |
| s0 = 0; | |
| e0 = 0; | |
| } | |
| var i = d3.interpolate({startAngle: s0, endAngle: e0}, {startAngle: d.startAngle, endAngle: d.endAngle}); | |
| return function(t) { | |
| var b = i(t); | |
| return arc(b); | |
| }; | |
| }; | |
| }); | |
| </script> | |
| </div> | |
| </body> | |
| </html> | |
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