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December 16, 2015 11:18
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D3 rect barchart with jgbcme.csv
[sort, tooltip]
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="d3.v3/d3.v3.js"></script> | |
<style> | |
#tooltip { | |
position: absolute; | |
width: 200px; | |
height: auto; | |
padding: 10px; | |
background-color: white; | |
-webkit-border-radius: 10px; | |
-moz-border-radius: 10px; | |
border-radius: 10px; | |
-webkit-box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); | |
-moz-box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); | |
box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); | |
pointer-events: none; | |
} | |
#tooltip.hidden { | |
display: none; | |
} | |
#tooltip p { | |
margin: 0; | |
font-family: sans-serif; | |
font-size: 16px; | |
line-height: 20px; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="tooltip" class="hidden"> | |
<p><strong>Important Label Heading</strong></p> | |
<p><span id="value">100</span>%</p> | |
</div> | |
<script> | |
function draw(data) { | |
"use strict"; | |
// badass visualization code goes here | |
console.log(data); | |
var w = 500; | |
var h = 100; | |
var barPadding = 1; | |
var sortOrder = false; | |
//Create SVG element | |
var svg = d3.select("body") | |
.append("svg") | |
.attr("width", w) | |
.attr("height", h); | |
var d = [] | |
for (var i = 0; i < data.length; i++) { | |
d.push(parseFloat(data[i]['30'])); | |
} | |
data = d; | |
console.log(d3.max(data)); | |
var xScale = d3.scale.ordinal() | |
.domain(d3.range(data.length)) | |
.rangeRoundBands([0, w], 0.05); | |
console.log(data) | |
var yScale = d3.scale.linear() | |
.domain([0, d3.max(data)]) | |
.range([0, h]); | |
// barchart rectangles | |
console.log(data); | |
svg.selectAll("rect") | |
.data(data) | |
.enter() | |
.append("rect") | |
.attr("x", function(d, i) { | |
return xScale(i); | |
}) | |
.attr("y", function(d) { | |
return h - yScale(d); | |
}) | |
.attr("width", xScale.rangeBand()) | |
.attr("height", function(d) { | |
return yScale(i); | |
}) | |
.attr("fill", function(d) { | |
return "rgba( 0, 0, 255, " + ( d / 100 * 1.3 + 0.1) +")"; | |
}) | |
.on("mouseover", function(d) { | |
d3.select(this).attr("fill", "orange"); | |
var xPos = parseFloat(d3.select(this).attr("x")) + xScale.rangeBand() / 2; | |
var yPos = parseFloat(d3.select(this).attr("y")) + 10 ; | |
//turn on tooltip | |
d3.select("#tooltip") | |
.style("left", xPos + 15 + "px") | |
.style("top", yPos + 20 + "px") | |
.select("#value") | |
.text(d); | |
d3.select("#tooltip").classed("hidden", false); | |
}) | |
.on("mouseout", function(d){ | |
d3.select(this) | |
.transition() | |
.duration(250) | |
.attr("fill", "rgba(0, 0, 255,"+( d / 100 * 1.3 + 0.1) +")"); | |
//turn off tooltip | |
d3.select("#tooltip").classed("hidden", true); | |
}) | |
.on("click", function() { | |
sortBars(); | |
}); | |
var sortBars = function() { | |
sortOrder = !sortOrder; | |
svg.selectAll("rect") | |
.sort(function(a, b) { | |
if (sortOrder) { | |
return d3.ascending(a, b); | |
} else { | |
return d3.descending(a, b); | |
} | |
}) | |
.transition() | |
.duration(1000) | |
.attr("x", function(d, i) { | |
return xScale(i); | |
}); | |
}; | |
} | |
d3.csv("jgbcme_test.csv", draw); | |
</script> | |
</body> | |
</html> | |
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