在每個 bar 上方加上數值,並試一下 rotate()
-
-
Save ctiml/541d7cc770108ccff79a to your computer and use it in GitHub Desktop.
06-Grouped Bar Chart
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
State | Under 5 Years | 5 to 13 Years | 14 to 17 Years | 18 to 24 Years | 25 to 44 Years | 45 to 64 Years | 65 Years and Over | |
---|---|---|---|---|---|---|---|---|
CA | 2704659 | 4499890 | 2159981 | 3853788 | 10604510 | 8819342 | 4114496 | |
TX | 2027307 | 3277946 | 1420518 | 2454721 | 7017731 | 5656528 | 2472223 | |
NY | 1208495 | 2141490 | 1058031 | 1999120 | 5355235 | 5120254 | 2607672 | |
FL | 1140516 | 1938695 | 925060 | 1607297 | 4782119 | 4746856 | 3187797 | |
IL | 894368 | 1558919 | 725973 | 1311479 | 3596343 | 3239173 | 1575308 | |
PA | 737462 | 1345341 | 679201 | 1203944 | 3157759 | 3414001 | 1910571 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font: 10px sans-serif; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.bar { | |
fill: steelblue; | |
} | |
.x.axis path { | |
display: none; | |
} | |
</style> | |
<body> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script> | |
var margin = {top: 30, right: 20, bottom: 30, left: 40}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var x0 = d3.scale.ordinal() | |
.rangeRoundBands([0, width], .1); | |
var x1 = d3.scale.ordinal(); | |
var y = d3.scale.linear() | |
.range([height, 0]); | |
var color = d3.scale.ordinal() | |
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); | |
var xAxis = d3.svg.axis() | |
.scale(x0) | |
.orient("bottom"); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.orient("left") | |
.tickFormat(d3.format(".2s")); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
d3.csv("data.csv", function(error, data) { | |
if (error) throw error; | |
var ageNames = d3.keys(data[0]).filter(function(key) { return key !== "State"; }); | |
data.forEach(function(d) { | |
d.ages = ageNames.map(function(name) { return {name: name, value: +d[name]}; }); | |
}); | |
x0.domain(data.map(function(d) { return d.State; })); | |
x1.domain(ageNames).rangeRoundBands([0, x0.rangeBand()]); | |
y.domain([0, d3.max(data, function(d) { return d3.max(d.ages, function(d) { return d.value; }); })]); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
svg.append("g") | |
.attr("class", "y axis") | |
.call(yAxis) | |
.append("text") | |
.attr("transform", "rotate(-90)") | |
.attr("y", 6) | |
.attr("dy", ".71em") | |
.style("text-anchor", "end") | |
.text("Population"); | |
var state = svg.selectAll(".state") | |
.data(data) | |
.enter().append("g") | |
.attr("class", "g") | |
.attr("transform", function(d) { return "translate(" + x0(d.State) + ",0)"; }); | |
var gAges = state.selectAll(".age") | |
.data(function(d) { return d.ages; }) | |
.enter().append("g") | |
.attr("class", "age"); | |
gAges.append("rect") | |
.attr("width", x1.rangeBand()) | |
.attr("x", function(d) { return x1(d.name); }) | |
.attr("y", function(d) { return y(d.value); }) | |
.attr("height", function(d) { return height - y(d.value); }) | |
.style("fill", function(d) { return color(d.name); }); | |
var textFormat = d3.format(".2s"); | |
gAges.append("text") | |
.attr("transform", function(d) { return "translate(" + (x1(d.name)+13)+ ", " + (y(d.value) - 3) + ") rotate(-90)"; }) | |
.text(function(d) { return textFormat(d.value) }); | |
/* | |
state.selectAll("rect") | |
.data(function(d) { return d.ages; }) | |
.enter().append("rect") | |
.attr("width", x1.rangeBand()) | |
.attr("x", function(d) { return x1(d.name); }) | |
.attr("y", function(d) { return y(d.value); }) | |
.attr("height", function(d) { return height - y(d.value); }) | |
.style("fill", function(d) { return color(d.name); }); | |
*/ | |
var legend = svg.selectAll(".legend") | |
.data(ageNames.slice().reverse()) | |
.enter().append("g") | |
.attr("class", "legend") | |
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; }); | |
legend.append("rect") | |
.attr("x", width - 18) | |
.attr("width", 18) | |
.attr("height", 18) | |
.style("fill", color); | |
legend.append("text") | |
.attr("x", width - 24) | |
.attr("y", 9) | |
.attr("dy", ".35em") | |
.style("text-anchor", "end") | |
.text(function(d) { return d; }); | |
}); | |
</script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment