Skip to content

Instantly share code, notes, and snippets.

@jhon0010
Last active March 23, 2017 14:33
Show Gist options
  • Save jhon0010/d2a5c75321024a6c68d4a2425d522417 to your computer and use it in GitHub Desktop.
Save jhon0010/d2a5c75321024a6c68d4a2425d522417 to your computer and use it in GitHub Desktop.
Line Chart
license: mit
[
{
"x":"2017-03-23",
"y":"2"
},
{
"x":"2017-03-26",
"y":"4"
},
]
<!doctype html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>Line Chart</title>
<style>
.axis path,
.axis line{
fill: none;
stroke: black;
}
.tick text{
font-size: 12px;
}
.line{
fill: none;
stroke: blue;
stroke-width: 2px;
}
</style>
</head>
<body>
<script src="http://d3js.org/d3.v3.js"></script>
<script>
var dataset = [
{
"x":"2017-03-23",
"y":"2"
},
{
"x":"2017-03-26",
"y":"4"
},
]
var margin = {top: 20, right: 100, bottom: 30, left: 100},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var xScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d){ return d.x; })])
.range([0, width]);
var yScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d){ return d.y; })])
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(xScale)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(yScale)
.orient("left");
var line = d3.svg.line()
.x(function(d) { return xScale(d.x); })
.y(function(d) { return yScale(d.y); });
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 + ")");
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
svg.append("path")
.datum(dataset)
.attr("class", "line")
.attr("d", line(dataset));
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment