Skip to content

Instantly share code, notes, and snippets.

@mattsrinc
Last active December 4, 2018 17:46
Show Gist options
  • Save mattsrinc/682094f40596d3fc42ca4b7365b8c23d to your computer and use it in GitHub Desktop.
Save mattsrinc/682094f40596d3fc42ca4b7365b8c23d to your computer and use it in GitHub Desktop.
dc.js example
license: mit

This is an example of a dc.js chart in a bl.ock - please fork this bl.ock when asking for help on Stack Overflow or the dc.js user group, or to demonstrate bugs when filing an issue on GitHub.

This was created with blockbuilder.org - you can use blockbuilder to fork and edit this bl.ock interactively. Or you can edit your fork using gist.github.com, or even clone the gist as a git repository.

Notice that this bl.ock loads its data from an asset named morley.csv within the gist - that's one advantage of using bl.ocks instead of fiddles.

forked from gordonwoodhull's block: dc.js example

<!DOCTYPE html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="https://unpkg.com/dc@3/dc.css" />
<script src="https://unpkg.com/d3@5/dist/d3.js"></script>
<script src="https://unpkg.com/crossfilter2@1.4/crossfilter.js"></script>
<script src="https://unpkg.com/dc@3/dc.js"></script>
<script src="https://rawgit.com/crossfilter/reductio/master/reductio.js"></script>
<script src="https://npmcdn.com/universe@latest/universe.js"></script>
<style>
</style>
</head>
<body>
<div id="test"></div>
<script>
var chart = dc.barChart("#test");
d3.csv("morley.csv").then(function(experiments) {
experiments.forEach(function(x) {
x.Speed = +x.Speed;
});
var ndx = crossfilter(experiments),
runDimension = ndx.dimension(function(d) {return +d.Run;}),
speedSumGroup = runDimension.group().reduceSum(function(d) {return d.Speed * d.Run / 1000;});
chart
.width(768)
.height(480)
.x(d3.scaleLinear().domain([0,20]))
.brushOn(false)
.yAxisLabel("This is the Y Axis!")
.dimension(runDimension)
.group(speedSumGroup)
.on('renderlet', function(chart) {
chart.selectAll('rect').on("click", function(d) {
console.log("click!", d);
});
});
chart.render();
});
</script>
</body>
Expt Run Speed
1 1 850
1 2 740
1 3 900
1 4 1070
1 5 930
1 6 850
1 7 950
1 8 980
1 9 980
1 10 880
1 11 1000
1 12 980
1 13 930
1 14 650
1 15 760
1 16 810
1 17 1000
1 18 1000
1 19 960
1 20 960
2 1 960
2 2 940
2 3 960
2 4 940
2 5 880
2 6 800
2 7 850
2 8 880
2 9 900
2 10 840
2 11 830
2 12 790
2 13 810
2 14 880
2 15 880
2 16 830
2 17 800
2 18 790
2 19 760
2 20 800
3 1 880
3 2 880
3 3 880
3 4 860
3 5 720
3 6 720
3 7 620
3 8 860
3 9 970
3 10 950
3 11 880
3 12 910
3 13 850
3 14 870
3 15 840
3 16 840
3 17 850
3 18 840
3 19 840
3 20 840
4 1 890
4 2 810
4 3 810
4 4 820
4 5 800
4 6 770
4 7 760
4 8 740
4 9 750
4 10 760
4 11 910
4 12 920
4 13 890
4 14 860
4 15 880
4 16 720
4 17 840
4 18 850
4 19 850
4 20 780
5 1 890
5 2 840
5 3 780
5 4 810
5 5 760
5 6 810
5 7 790
5 8 810
5 9 820
5 10 850
5 11 870
5 12 870
5 13 810
5 14 740
5 15 810
5 16 940
5 17 950
5 18 800
5 19 810
5 20 870
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment