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Rainy Days
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>RainyDays | A d3.js Visualization by John Domingo</title> | |
<meta charset="UTF-8"> | |
<script type="text/javascript" src="d3/d3.v3.js"></script> | |
<style> | |
body { | |
margin: 0; | |
padding: 0; | |
} | |
div { | |
max-width: 98%; | |
margin: 0 auto; | |
display: block; | |
} | |
/* svg { | |
position: fixed; | |
display: block; | |
bottom: 0; | |
} */ | |
</style> | |
</head> | |
<body> | |
<div></div> | |
<script type="text/javascript"> | |
function responsivefy(svg) { | |
// get container + svg aspect ratio | |
var container = d3.select(svg.node().parentNode), | |
width = parseInt(svg.style("width")), | |
height = parseInt(svg.style("height")), | |
aspect = width / height; | |
// add viewBox and preserveAspectRatio properties, | |
// and call resize so that svg resizes on inital page load | |
svg.attr("viewBox", "0 0 " + width + " " + height) | |
.attr("perserveAspectRatio", "xMinYMid") | |
.call(resize); | |
// to register multiple listeners for same event type, | |
// you need to add namespace, i.e., 'click.foo' | |
// necessary if you call invoke this function for multiple svgs | |
// api docs: https://github.com/mbostock/d3/wiki/Selections#on | |
d3.select(window).on("resize." + container.attr("id"), resize); | |
// get width of container and resize svg to fit it | |
function resize() { | |
var targetWidth = parseInt(container.style("width")); | |
svg.attr("width", targetWidth); | |
svg.attr("height", Math.round(targetWidth / aspect)); | |
} | |
} | |
var w = 700; | |
var h = 400; | |
var minBar = 5; | |
var padding = 1; | |
var dataset = []; | |
for (var i = 0; i < 25; i++) { | |
var newNum = (Math.random() * (h / 11 - minBar + 1)) + minBar; | |
dataset.push(newNum); | |
} | |
//var dataset = [ 5, 10, 15, 20, 25 ]; | |
var svg = d3.select("div").append("svg") | |
.attr({ | |
width: w, | |
height: h | |
}) | |
.call(responsivefy); | |
var bars = svg.selectAll("rect") | |
.data(dataset) | |
.enter().append("rect"); | |
bars.attr({ | |
x: function(d, i) { | |
return i * (w / dataset.length); }, | |
y: function(d, i) { | |
return h - (d * 10); }, | |
width: function(d, i) { | |
return (w / dataset.length) - padding; }, | |
height: function(d) { | |
return (d * 10); }, | |
fill: function(d) { | |
return "rgb(255," + Math.floor(d * 6) + ",150)"; | |
} | |
}); | |
svg.selectAll("text") | |
.data(dataset) | |
.enter().append("text") | |
.text(function(d) { | |
return Math.floor(d * 10); | |
}) | |
.attr({ | |
"font-family": "sans-serif", | |
"font-size": "11px", | |
fill: "white", | |
x: function(d, i) { | |
var barH = Math.floor(d * 10); | |
if (barH < 100) { | |
return i * (w / dataset.length) + 7.5; | |
} else { | |
return i * (w / dataset.length) + 4.5; | |
} | |
}, | |
y: function(d, i) { | |
return h - (d * 10) + 15; } | |
}); | |
</script> | |
</body> | |
</html> |
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