Created
December 11, 2014 20:12
-
-
Save acouch/813fe8b291b9d8d215e1 to your computer and use it in GitHub Desktop.
NVD3 Stacked Area Chart using CartoDBs SQL API
This file contains 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="UTF8"> | |
<html> | |
<head> | |
<title>Tornadoes total versus max damage</title> | |
<meta name = "viewport" content = "initial-scale = 1, user-scalable = no"> | |
<script src="http://libs.cartocdn.com/cartodb.js/v3/cartodb.js"></script> | |
<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/nvd3/1.1.15-beta/nv.d3.min.css"> | |
<script src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.5.2/d3.js" charset="utf-8"></script> | |
<script src="http://cdnjs.cloudflare.com/ajax/libs/nvd3/1.1.15-beta/nv.d3.js"></script> | |
<style> | |
#chart { | |
height: 400px; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="chart"><svg></svg></div> | |
<script> | |
var sql = cartodb.SQL({ user: 'andrew' }); | |
sql.execute("SELECT date_part('Month', t.date) as month, count(*) total, sum(damage) damage FROM tornados t GROUP BY date_part('Month', t.date) ORDER BY date_part('Month', t.date) ASC").done(function(data) { | |
console.log(data) | |
var total = []; | |
var damage = []; | |
for (i in data.rows){ | |
total.push([data.rows[i].total, data.rows[i].month]) | |
damage.push([data.rows[i].damage, data.rows[i].month]) | |
} | |
console.log(data) | |
var stackedChartData = [ | |
{ | |
key: "Damage", | |
values: damage | |
}, | |
{ | |
key: "Total", | |
values: total | |
} | |
]; | |
nv.addGraph(function() { | |
var chart = nv.models.stackedAreaChart() | |
.margin({right: 100}) | |
.x(function(d) { return d[1] }) //We can modify the data accessor functions... | |
.y(function(d) { return d[0] }) //...in case your data is formatted differently. | |
.useInteractiveGuideline(true) //Tooltips which show all data points. Very nice! | |
.rightAlignYAxis(true) //Let's move the y-axis to the right side. | |
.transitionDuration(500) | |
.showControls(true) //Allow user to choose 'Stacked', 'Stream', 'Expanded' mode. | |
//.clipEdge(true); | |
//Format x-axis labels with custom function. | |
chart.xAxis | |
.tickFormat(function(d) { | |
console.log(d); | |
var monthNameFormat = d3.time.format("%B"); | |
console.log(monthNameFormat(new Date(2014, d, 0))); | |
//return (self.chartMap) ? self.chartMap.get(id) : id; | |
return monthNameFormat(new Date(2014, d, 0)) | |
}); | |
console.log(stackedChartData); | |
chart.yAxis | |
.tickFormat(d3.format(',.f')); | |
d3.select('#chart svg') | |
.datum(stackedChartData) | |
.call(chart); | |
nv.utils.windowResize(chart.update); | |
return chart; | |
}); | |
}) | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment