Skip to content

Instantly share code, notes, and snippets.

@basilesimon
Last active October 15, 2020 19:48
Show Gist options
  • Save basilesimon/37f41582212254ded2ae31ae0aca0b61 to your computer and use it in GitHub Desktop.
Save basilesimon/37f41582212254ded2ae31ae0aca0b61 to your computer and use it in GitHub Desktop.
Vertical line chart with labels
[
{"year" : "2007", "value": -10},
{"year" : "2008", "value": 34},
{"year" : "2009", "value": 10},
{"year" : "2010", "value": -60},
{"year" : "2011", "value": -40},
{"year" : "2012", "value": 20},
{"year" : "2013", "value": 45},
{"year" : "2014", "value": 50},
{"year" : "2015", "value": 60},
{"year" : "2016", "value": 40}
]
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
background-color: #fff;
}
.axis {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: lightgrey;
stroke-width: 0px;
shape-rendering: crispEdges;
}
.line {
fill: none;
stroke: #0074D9;
stroke-width: 3px;
}
.label {
background-color: #fff;
font-family: sans-serif;
font-size: 12px;
}
.zero {
stroke: lightgrey;
stroke-width: 1px;
}
</style>
<body>
<svg width="400" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="script.js"></script>
</body>
</html>
var svg = d3.select("svg"),
margin = {top: 20, right: 60, bottom: 30, left: 40},
width = +svg.attr("width") - margin.left - margin.right,
height = +svg.attr("height") - margin.top - margin.bottom;
var parseTime = d3.timeParse("%Y")
bisectDate = d3.bisector(function(d) { return d.year; }).left;
var x = d3.scaleLinear().range([0, width]);
var y = d3.scaleTime().range([height, 0]);
var line = d3.line()
.x(function(d) { return x(d.value); })
.y(function(d) { return y(d.year); })
.curve(d3.curveStepAfter);
var g = svg.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
d3.json("data.json", function(error, data) {
if (error) throw error;
data.forEach(function(d) {
d.year = parseTime(d.year);
d.value = +d.value;
});
y.domain(d3.extent(data, function(d) { return d.year; }).reverse());
x.domain([d3.min(data, function(d) { return d.value; }), d3.max(data, function(d) { return d.value; }) * 1.005]);
g.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + height + ")");
g.append("g")
.attr("class", "axis axis--y")
.call(d3.axisLeft(y))
.append("text")
.attr("class", "axis-title")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.attr("fill", "#5D6971")
.text("lol");
g.append("line")
.attr("class", "zero")
.attr("stroke-dasharray", "5,5")
.attr("x1", x(0))
.attr("y1", 0)
.attr("x2", x(0))
.attr("y2", height)
.attr("transform", "translate(30,0)");
g.append("path")
.datum(data)
.attr("class", "line")
.attr("transform", "translate(30,0)")
.attr("d", line);
g.append("g")
.attr("class", "rects")
.selectAll("text")
.data(data)
.enter()
.append("rect")
.attr("x", function (d) { return x(d.value); })
.attr("y", function (d) { return y(d.year); })
.attr("width", 35)
.attr("height", 20)
.attr("transform", "translate(15,-15)")
.style("fill", "#fff");
g.append("g")
.attr("class", "labels")
.selectAll("text")
.data(data)
.enter()
.append("text")
.attr("class", "label")
.attr("x", function(d) { return x(d.value); })
.attr("y", function(d) { return y(d.year); })
.attr("text-anchor", "middle")
.attr("transform", "translate(30,0)")
.text(function(d) {
return d.value + "m";
});
});
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment