Last active
April 29, 2017 19:57
-
-
Save monkeycycle/a90d20c85123ba5edd2cab84a7abdacf to your computer and use it in GitHub Desktop.
Single d3 line chart
This file contains hidden or 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
Date | Close | |
---|---|---|
3-31-1992 | 0.28 | |
4-30-1992 | 0.2875 | |
5-29-1992 | 0.275 | |
6-30-1992 | 0.25 | |
7-31-1992 | 0.25 | |
8-31-1992 | 0.225 | |
9-30-1992 | 0.225 | |
10-30-1992 | 0.2125 | |
11-30-1992 | 0.1375 | |
12-31-1992 | 0.175 | |
1-29-1993 | 0.2375 | |
2-26-1993 | 0.155 | |
3-31-1993 | 0.175 | |
4-30-1993 | 0.1625 | |
5-31-1993 | 0.1875 | |
6-30-1993 | 0.205 | |
7-30-1993 | 0.1525 | |
8-31-1993 | 0.1725 | |
9-30-1993 | 0.15 | |
10-29-1993 | 0.15 | |
11-30-1993 | 0.1425 | |
12-31-1993 | 0.1625 | |
1-31-1994 | 0.175 | |
2-28-1994 | 0.1625 | |
3-31-1994 | 0.2 |
This file contains hidden or 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> /* set the CSS */ | |
.gi-data { | |
display: none; | |
} | |
.line { | |
fill: none; | |
stroke: steelblue; | |
stroke-width: 2px; | |
} | |
</style> | |
<body> | |
<div class="dviz" id="dviz-line"></div> | |
<!-- load the d3.js library --> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<script> | |
// set the dimensions and margins of the graph | |
var margin = {top: 20, right: 20, bottom: 30, left: 50}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
// parse the date / time | |
var parseTime = d3.timeParse("%d-%b-%y"); | |
// set the ranges | |
var x = d3.scaleTime().range([0, width]); | |
var y = d3.scaleLinear().range([height, 0]); | |
// define the line | |
var valueline = d3.line() | |
.x(function(d) { return x(d.date); }) | |
.y(function(d) { return y(d.close); }); | |
// append the svg obgect to the body of the page | |
// appends a 'group' element to 'svg' | |
// moves the 'group' element to the top left margin | |
var svg = d3.select("#dviz-line").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 + ")"); | |
// Get the data | |
d3.csv("data.csv", function(error, data) { | |
if (error) throw error; | |
// format the data | |
data.forEach(function(d) { | |
d.date = parseTime(d.date); | |
d.close = +d.close; | |
}); | |
// Scale the range of the data | |
x.domain(d3.extent(data, function(d) { return d.date; })); | |
y.domain([0, d3.max(data, function(d) { return d.close; })]); | |
// Add the valueline path. | |
svg.append("path") | |
.data([data]) | |
.attr("class", "line") | |
.attr("d", valueline); | |
// Add the X Axis | |
svg.append("g") | |
.attr("transform", "translate(0," + height + ")") | |
.call(d3.axisBottom(x)); | |
// Add the Y Axis | |
svg.append("g") | |
.call(d3.axisLeft(y)); | |
}); | |
</script> | |
</body> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment