Skip to content

Instantly share code, notes, and snippets.

@trinary

trinary/.block

Last active April 9, 2017 21:43
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save trinary/20e97593502dbfe35254ce3581c95eab to your computer and use it in GitHub Desktop.
Save trinary/20e97593502dbfe35254ce3581c95eab to your computer and use it in GitHub Desktop.
Download ZIP
bars with extras
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.7.4/d3.min.js"></script>
<style>
body {
font: 13px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
rect {
shape-rendering: crispEdges;
}
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
svg { width:100%; height: 100% }
</style>
</head>
<body>
<svg></svg>
<script>
var d = [
{name: "Alice",value: 7},
{name: "Bob", value: 20},
{name: "Carol",value: 33},
{name: "Dave", value: 9 },
{name: "Erica",value: 1 },
{name: "Frank",value: 44},
{name: "Gwen", value: 15},
{name: "Henry",value: 26}
];
var height = 300,
width = 500,
margin = { left: 40, right: 0, top: 20, bottom: 20},
svg = d3.select("svg"),
container, yScale, xScale, yAxis, xAxis, bars;
container = svg.append("g").attr("transform","translate(" + [margin.left, margin.top] + ")");
yScale = d3.scaleLinear()
.domain([0,d3.max(d,function(d,i) { return d.value;})])
.range([height, 0]);
xScale = d3.scaleBand()
.domain(d.map(function(d) { return d.name } ))
.rangeRound([0,width], 0.25)
.paddingInner(0.2);
xAxis = d3.axisBottom().scale(xScale);
yAxis = d3.axisLeft().scale(yScale);
container.append("g")
.attr("class","x axis")
.attr("transform","translate(" + [0, height] + ")")
.call(xAxis);
container.append("g")
.attr("class","y axis")
.call(yAxis);
bars = container.selectAll(".bars")
.data(d);
bars.enter()
.append("g")
.append("rect")
.classed("bars",true)
.attr("x", function(d,i) { return xScale(d.name);})
.attr("y", function(d,i) { return yScale(d.value);})
.attr("width", xScale.bandwidth())
.attr("height", function(d,i) { return height - yScale(d.value);})
.style("fill","grey");
bars.append("text")
.style("text-anchor", "middle")
.attr("transform", function(d,i) {
return "translate(" + [xScale(d.name) +
(xScale.rangeBand() / 2), yScale(d.value) - 2] + ")"
})
.text(function(d,i) { return d.value; });
</script>
</body>
Raw
style.css
body {
font: 13px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
rect {
shape-rendering: crispEdges;
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment