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August 21, 2016 20:56
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d3.jsで作ったバーンダウンチャート ref: http://qiita.com/Implem/items/aa6daf9511319beeeeb2
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func.drawBurnDown = function () { | |
var $svg = $('#BurnDown'); | |
if ($svg.length !== 1) { | |
return; | |
} | |
$svg.empty(); | |
var dataSet = JSON.parse($('#BurnDownJson').val()); | |
if (dataSet.length === 0) { | |
$svg.hide(); | |
return; | |
} | |
$svg.show(); | |
var svg = d3.select('#BurnDown'); | |
var padding = 40; | |
var axisPadding = 70; | |
var width = parseInt(svg.style('width')); | |
var height = parseInt(svg.style('height')); | |
var bodyWidth = width - axisPadding - (padding); | |
var bodyHeight = height - axisPadding - (padding); | |
var minDate = new Date(d3.min(dataSet, function (d) { return d.Day; })); | |
var maxDate = new Date(d3.max(dataSet, function (d) { return d.Day; })); | |
var dayWidth = (bodyWidth - padding) / dateDiff('d', maxDate, minDate); | |
var xScale = d3.time.scale() | |
.domain([minDate, maxDate]) | |
.range([padding, bodyWidth]); | |
var yScale = d3.scale.linear() | |
.domain([d3.max(dataSet, function (d) { | |
return d.Total !== undefined || d.Earned !== undefined | |
? Math.max.apply(null, [d.Total, d.Planned, d.Earned]) | |
: d.Planned; | |
}), 0]) | |
.range([padding, bodyHeight]) | |
.nice(); | |
var xAxis = d3.svg.axis() | |
.scale(xScale) | |
.tickFormat(d3.time.format('%m/%d')) | |
.ticks(10); | |
var yAxis = d3.svg.axis() | |
.scale(yScale) | |
.orient('left'); | |
svg.append('g') | |
.attr('class', 'axis') | |
.attr('transform', 'translate(' + axisPadding + ', ' + (height - axisPadding) + ')') | |
.call(xAxis) | |
.selectAll('text') | |
.attr('x', -20) | |
.attr('y', 20) | |
.style('text-anchor', 'start'); | |
svg.append('g') | |
.attr('class', 'axis') | |
.attr('transform', 'translate(' + axisPadding + ', 0)') | |
.call(yAxis) | |
.selectAll('text') | |
.attr('x', -20); | |
var now = axisPadding + xScale(new shortDate()); | |
var nowLineData = [ | |
[now, axisPadding - 40], | |
[now, yScale(0) + 20]]; | |
var nowLine = d3.svg.line() | |
.x(function (d) { return d[0]; }) | |
.y(function (d) { return d[1]; }); | |
svg.append('g').attr('class', 'now').append('path').attr('d', nowLine(nowLineData)); | |
draw('total', 0, dataSet.filter(function (d) { return d.Total !== undefined; })); | |
draw('planned', 1, dataSet.filter(function (d) { return d.Planned !== undefined; })); | |
draw('earned', 2, dataSet.filter(function (d) { return d.Earned !== undefined; })); | |
function draw(css, n, ds) { | |
var line = d3.svg.line() | |
.x(function (d) { | |
return (dateDiff('d', new Date(d.Day), minDate) * dayWidth) | |
+ axisPadding + padding; | |
}) | |
.y(function (d) { | |
return yScale(prop(d)); | |
}); | |
var g = svg.append('g').attr('class', css); | |
g.append('path').attr('d', line(ds)); | |
g.selectAll('circle') | |
.data(ds) | |
.enter() | |
.append('circle') | |
.attr('cx', function (d, i) { return i * dayWidth + axisPadding + padding }) | |
.attr('cy', function (d) { return yScale(prop(d)); }) | |
.attr('r', 4) | |
.append('title') | |
.text(function (d) { return prop(d); }); | |
function prop(d) { | |
switch (n) { | |
case 0: return d.Total; | |
case 1: return d.Planned; | |
case 2: return d.Earned; | |
} | |
} | |
} | |
} |
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[ | |
{"Day":"2016/03/05","Total":30.0,"Planned":30.0,"Earned":28.0}, | |
{"Day":"2016/03/06","Planned":20.0}, | |
{"Day":"2016/03/07","Planned":10.0} | |
] |
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