Skip to content

Instantly share code, notes, and snippets.

@shimizu
Last active February 16, 2018 13:31
Show Gist options
  • Save shimizu/fed49212b162deaee6726d537b271fbb to your computer and use it in GitHub Desktop.
Save shimizu/fed49212b162deaee6726d537b271fbb to your computer and use it in GitHub Desktop.
Clustered Column Chart
license: mit

分割チャート。

<!DOCTYPE html>
<html lang="jp">
<head>
<style>
html, body {
margin: 0px;
padding: 0px;
width: 100%;
height: 100%;
}
#chart {
width: 80%;
height: 80%;
border: 8px dashed gray;
border-left: none;
border-top:none;
cursor:all-scroll;
}
#chart svg{
width: 100%;
height: 100%;
cursor: default;
}
.grid .tick line {
stroke-dasharray:1;
}
.topBar {
stroke:gray;
stroke-width:1;
fill:skyblue;
}
.bottomBar {
stroke:gray;
stroke-width:1;
fill:skyblue;
}
.splitLine {
stroke:black;
}
</style>
<script src="//unpkg.com/babel-standalone@6.26.0/babel.min.js"></script>
<script src="//unpkg.com/d3@4.12.2/build/d3.min.js"></script>
</head>
<body>
<div id="chart">
<svg></svg>
</div>
<script ="text/babel">
const data = [
{title:"アメリカ", value1:86, value2:26},
{title:"日本", value1:48, value2:62},
{title:"中国", value1:62, value2:56},
]
const svg = d3.select("#chart").select("svg");
const grid = svg.append("g").classed("grid", true);
const plot = svg.append("g").classed("plot", true);
const axis = svg.append("g").classed("axis", true);
const yTopScale = d3.scaleBand().domain(data.map(d => d.title));
const yBottomScale = d3.scaleBand().domain(data.map(d => d.title));
const xScale = d3.scaleLinear().domain([0, 100]).nice();
render();
function render(){
const m = {top:30, left:60, right:30, bottom:30};
const w = svg.node().clientWidth || svg.node().parentNode.clientWidth;
const h = svg.node().clientHeight || svg.node().parentNode.clientHeight;
const pw = w - (m.left + m.right);
const ph = h - (m.top + m.bottom);
const hph = ph/2;
yTopScale.range([0, hph]).paddingInner(0.1).paddingOuter(0.25);
yBottomScale.range([hph, ph]).paddingInner(0.1).paddingOuter(0.25);
xScale.range([0, pw]);
//axis layer
axis.attr("transform", `translate(${m.left}, ${m.top})`);
//top y axis
const yTopAxisUpdate = axis.selectAll(".yTopAxis").data([null]);
const yTopAxisEnter = yTopAxisUpdate.enter().append("g").classed("yTopAxis", true);
const yTopAxis = yTopAxisUpdate.merge(yTopAxisEnter).call( d3.axisLeft().scale(yTopScale).tickSizeOuter(0) ); //ラベルを内向きにする
yTopAxis.selectAll(".tick line").remove();
yTopAxis.selectAll(".tick text")
const yBottomAxisUpdate = axis.selectAll(".yBottomAxis").data([null]);
const yBottomAxisEnter = yBottomAxisUpdate.enter().append("g").classed("yBottomAxis", true);
const yBottomAxis = yBottomAxisUpdate.merge(yBottomAxisEnter).call( d3.axisLeft().scale(yBottomScale).tickSizeOuter(0) ); //ラベルを内向きにする
yBottomAxis.selectAll(".tick line").remove();
yBottomAxis.selectAll(".tick text");
const splitLineUpdata = axis.selectAll(".splitLine").data([null]);
const splitLineEnter = splitLineUpdata.enter().append("line").classed("splitLine", true);
const splitLine = splitLineUpdata.merge(splitLineEnter);
splitLine
.attr("x1", -(m.left/2))
.attr("x2", pw + (m.right/2))
.attr("y1", hph)
.attr("y2", hph)
//x axis
const xAxisUpdate = axis.selectAll(".xAxis").data([null]);
const xAxisEnter = xAxisUpdate.enter().append("g").classed("xAxis", true);
const renderAxis = d3.axisBottom().scale(xScale);
const xAxis = xAxisUpdate.merge(xAxisEnter).call(renderAxis)
.attr("transform", `translate(0, ${ph})`);
xAxis.select(".domain").remove();
xAxis.selectAll(".tick line").remove();
//grid layer
grid.attr("transform", `translate(${m.left}, ${m.top})`);
//x grid
const xGridUpdate = grid.selectAll(".xGrid").data([null]);
const xGridEnter = xGridUpdate.enter().append("g").classed("xGrid", true);
const xGrid = xGridUpdate.merge(xGridEnter)
.call( d3.axisBottom().scale(xScale).tickSizeInner(-ph).tickFormat(() => null ) )
.attr("transform", `translate(0, ${ph})`);
xGrid.select(".domain").remove();
//plot layer
plot.attr("transform", `translate(${m.left}, ${m.top})`);
//top bar
const topBarsUpdate = plot.selectAll(".topBar").data(data);
const topBarsEnter = topBarsUpdate.enter().append("rect").classed("topBar", true);
const topBars = topBarsUpdate.merge(topBarsEnter)
.attr("height", yTopScale.bandwidth())
.attr("width", d => xScale(d.value1))
.attr("y", d => yTopScale(d.title))
.attr("x", 0.5)
;
//bottom bar
const bottomBarsUpdate = plot.selectAll(".bottomBar").data(data);
const bottomBarsEnter = bottomBarsUpdate.enter().append("rect").classed("bottomBar", true);
const bottomBars = bottomBarsUpdate.merge(bottomBarsEnter)
.attr("height", yBottomScale.bandwidth())
.attr("width", d => xScale(d.value2))
.attr("y", d => yBottomScale(d.title))
.attr("x", 0.5)
;
}
//divエレメントをドラッグでリサイズできるようにする。
const dispatch = d3.dispatch("resize");
dispatch.on("resize", render);
setResizeControler();
function setResizeControler(){
const drag = d3.drag()
.on("drag", resized)
d3.select("#chart")
.call(drag);
function resized(e){
const s = d3.event.sourceEvent;
const w = (s.pageX < 300) ? 300 : s.pageX;
const h = (s.pageY < 200) ? 200 : s.pageY;
console.log(h)
d3.select(this)
.style("width", `${w}px`)
.style("height", `${h}px`)
.attr("data-test", "test")
dispatch.call("resize");
}
}
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment