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groupbarchart.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<title>D3 v4 - Group barChart</title>
<style>
#graph {
width: 900px;
height: 500px;
}
.tick line {
stroke-dasharray: 2 2 ;
stroke: #ccc;
}
</style>
</head>
<body>
<div id="graph"></div>
<script src="//cdnjs.cloudflare.com/ajax/libs/d3/4.1.1/d3.min.js"></script>
<script>
//!(function(){
// "use strict"
var width,height
var chartWidth, chartHeight
var margin
var svg = d3.select("#graph").append("svg")
var axisLayer = svg.append("g").classed("axisLayer", true)
var chartLayer = svg.append("g").classed("chartLayer", true)
var xScale = d3.scaleBand()
var xInScale = d3.scaleBand();
var yScale = d3.scaleLog().base(2)
var color = d3.scaleOrdinal(d3.schemeCategory10);
d3.csv("data/data.csv", cast, main)
function cast(d) {
Object.keys(d).forEach(function(key){
if (!isNaN(+d[key])) d[key] = +d[key]
})
return d
}
function main(data) {
console.log(data)
var nested = d3.nest()
.rollup(function(d){ delete d[0].data; return d[0] })
.key(function(d){ return d.data })
.entries(data)
nested.forEach(function(d){
d.age = Object.keys(d.value).map(function(key){
return {key:key, value:d.value[key]}
})
})
setSize(nested)
drawAxis()
drawChart(nested)
}
function setSize(nested) {
width = document.querySelector("#graph").clientWidth
height = document.querySelector("#graph").clientHeight
margin = {top:0, left:100, bottom:40, right:0 }
chartWidth = width - (margin.left+margin.right)
chartHeight = height - (margin.top+margin.bottom)
svg.attr("width", width).attr("height", height)
axisLayer.attr("width", width).attr("height", height)
chartLayer
.attr("width", chartWidth)
.attr("height", chartHeight)
.attr("transform", "translate("+[margin.left, margin.top]+")")
xScale.domain(nested.map(function(d) { return d.key }))
.range([0, chartWidth]).paddingInner(0.1)
var ageNames = Object.keys(nested[0].value)
xInScale.domain(ageNames).range([0, xScale.bandwidth()])
var yMax = d3.max(nested.map(function(d){
var values = Object.keys(d.value).map(function(key){
return d.value[key]
})
return d3.max(values)
}))
yScale.domain([0.001, yMax]).range([chartHeight, 0])
}
function drawChart(nested) {
var t = d3.transition()
.duration(1000)
.ease(d3.easeLinear)
var data = chartLayer.selectAll(".data")
.data(nested)
var newCountry = data.enter().append("g").attr("class", "data")
data.merge(newCountry)
.attr("transform", function(d) { return "translate(" + [xScale(d.key), 0] + ")"; });
var bar = newCountry.selectAll(".bar")
.data(function(d){ return d.age })
var newBar = bar.enter().append("rect").attr("class", "bar")
bar.merge(newBar)
.attr("width", xInScale.bandwidth())
.attr("height", 0)
.attr("fill", function(d) { return color(d.key); })
.attr("transform", function(d) { return "translate(" + [xInScale(d.key), chartHeight] + ")" })
//アニメーション
bar.merge(newBar).transition(t)
.attr("height", function(d) { return chartHeight - yScale(d.value); })
.attr("transform", function(d) { return "translate(" + [xInScale(d.key), yScale(d.value)] + ")" })
}
function drawAxis(){
var yAxis = d3.axisLeft(yScale)
.tickSizeInner(-chartWidth)
axisLayer.append("g")
.attr("transform", "translate("+[margin.left, margin.top]+")")
.attr("class", "axis y")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", -30)
.attr("x", -150)
.attr("dy", ".71em")
.style("text-anchor", "right")
.style("stroke","black")
.text("Calculation time (second)");
var xAxis = d3.axisBottom(xScale)
axisLayer.append("g")
.attr("class", "axis x")
.attr("transform", "translate("+[margin.left, chartHeight]+")")
.call(xAxis).append("text")
.attr("x", 430)
.attr("y", 30)
.attr("dy", ".71em")
.style("text-anchor", "end")
.style("stroke","black")
.text("Network");
}
//}());
</script>
</body>
</html>