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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 pie</title> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.min.js"></script> | |
</head> | |
<body> | |
<div id="tjaart"> | |
</div> | |
<div id="tebel"> | |
</div> | |
<script type="text/javascript"> | |
var currentComp=1; | |
var currentGuy=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; }); | |
//what i am looking for is the code that generates a series of pies, each showing the category scores per person | |
//these three lines produce one pie for the person picked | |
preppedData = filterData[currentGuy].parts, function(d) { return d; }; | |
creppedData = filterData, function(d,i) { return i.parts, function(d) { return d; }}; | |
// preppedData = filterData, function(d) { return d.parts, function(e) { return e; }}; | |
donutI = d3.layout.pie().value(function(d) { return d.score; }); | |
// donutII = d3.layout.pie().value(function(d,i) { return d.parts.score[i]; }); | |
pieData = donutI(preppedData); | |
// pIeData = donutII(creppedData); | |
// pIeData = donutI(filterData)//, function(d, i) { return d.parts[i]; }); | |
donutIII = d3.layout.pie().value(function(d, i) { return d.parts[i].score; }); | |
//all of these give exactly the same (wrong) result: one pie of the three persons for the first test category in the dataset | |
pIIeData = donutIII(filterData, function(d, i) { return d.parts[i]; }); | |
pIIIeData = donutIII(filterData, function(d) { return d.score; }); | |
pIVeData = donutIII(filterData, function(d) { return d; }); | |
pIeData = donutIII(filterData); | |
//in a nutshell: what I get is columns of data, what I am looking for are the rows | |
//the data in preppeddata has not been transposed from rows to columns, just flattened... | |
//how do I do the same (while taking along all the other data in "data")? | |
console.log("preppedData"); | |
console.log(preppedData); | |
console.log("creppedData"); | |
console.log(creppedData); | |
console.log("pieData"); | |
console.log(pieData); | |
console.log("pIeData"); | |
console.log(pIeData); | |
console.log("pIIeData"); | |
console.log(pIIeData); | |
console.log("pIIIeData"); | |
console.log(pIIIeData); | |
console.log("pIVeData"); | |
console.log(pIVeData); | |
maX = d3.max(filterData, function(d) { return d.thingy; } ); | |
mAx = d3.max(pIIeData, function(d) { return d.data.thingy; } ); | |
Max = d3.max(pIIIeData, function(d) { return d.data.thingy; } ); | |
console.log(maX); | |
console.log(mAx); | |
console.log(Max); | |
radius.domain([0, maX]); | |
arc = d3.svg.arc() | |
.startAngle(function(d) { return d.startAngle; }) | |
.endAngle(function(d) { return d.endAngle; }) | |
.innerRadius(ir) | |
// .outerRadius(pIIeData, function(d) { return radius(d.data.thingy); }); | |
// .outerRadius(radius(filterData[currentGuy].thingy)); | |
// .outerRadius(function(d) { return radius(d.thingy); }); | |
.outerRadius(r); | |
/* | |
var table = d3.select("#tebel").append("table"); | |
var tr = table.selectAll("tr") | |
.data(filterData) | |
.enter().append("tr"); | |
var td = tr.selectAll("td") | |
.data(function(d) { return d; }) // #1 | |
.enter().append("td") | |
.text(function(d) { return d.score; }); // #2 | |
*/ | |
vis = d3.select("#tjaart") | |
// this does not generate three seperate pies - why not? | |
// .data(filterData) | |
.data(filterData) | |
.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(donutII(filterData)); | |
.data(donutIII(creppedData)) | |
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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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>A basic try at pie</title> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.min.js"></script> | |
</head> | |
<body> | |
<div id="tjaart"> | |
</div> | |
<script type="text/javascript"> | |
var currentComp=1; | |
var currentGuy=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[currentGuy].parts, function(d) { return d; }; | |
donut = d3.layout.pie().value(function(d) { return d.score; }); | |
pieData = donut(preppedData); | |
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[currentGuy].thingy)); | |
// .outerRadius(r); | |
console.log("filterData"); | |
console.log(filterData); | |
console.log("preppedData"); | |
console.log(preppedData); | |
console.log("pieData"); | |
console.log(pieData); | |
vis = d3.select("#tjaart") | |
.data(filterData) | |
.append("svg:svg") | |
.attr("width", w) | |
.attr("height", h) | |
.attr("transform", function(d,i) { return "translate(" + 20 + "," + (d*60) + ")"; }); | |
arc_group = vis.append("svg:g") | |
.data(filterData) | |
.attr("class", "arc") | |
.attr("transform", "translate(" + (w/2) + "," + (h/2) + ")"); | |
paths = arc_group.selectAll("path") | |
.data(pieData) | |
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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I changed the paths to d3.js and d3.layout.js.
And I annotated it somewhat.