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Excercise module 4
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volgnr | jaar | aantal_verleend | aantal_geweigerd | aantal_totaal | gevraagd_bedrag_geweigerd | gevraagd_bedrag_verleend | gevraagd_bedrag_totaal | verleend_bedrag | |
---|---|---|---|---|---|---|---|---|---|
1 | 2011 | 37 | 25 | 62 | 694114 | 284960 | 979074 | 508982 | |
2 | 2012 | 25 | 27 | 52 | 627500 | 160273 | 787773 | 486000 | |
3 | 2013 | 34 | 31 | 65 | 689550 | 271225 | 960775 | 494000 | |
4 | 2014 | 26 | 14 | 40 | 552000 | 185720 | 737720 | 384500 |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<title>Creating SVG Elements from Data</title> | |
<script type="text/javascript" src="http://d3js.org/d3.v3.js"></script> | |
<style type="text/css"> | |
body { | |
background-color: white; | |
} | |
h1 { | |
font-size: 24px; | |
margin: 0; | |
} | |
p { | |
font-size: 14px; | |
margin: 10 px 0 0 0; | |
} | |
svg { | |
background-color: white; | |
} | |
rect:hover { | |
fill: orange; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: grey; | |
shape-rendering: crispEdges; | |
} | |
.axis text{ | |
fill: grey; | |
font-size: 11px; | |
font-family: sans-serif; | |
} | |
.y.axis path, | |
.y.axis line { | |
opacity: 0; | |
} | |
</style> | |
</head> | |
<body> | |
<H1>The number of grant applications by year 2011-2014</H1> | |
<p>This horizontal bar chart displays the number of grant applications for sports and cultural events received by the Provence of Groningen.</p> | |
<script type="text/javascript"> | |
var w = 400; | |
var h = 150; | |
var padding = [20, 10, 30, 120]; // Top, right, bottom, left | |
var widthScale = d3.scale.linear().range([0, w - padding[1] - padding [3]]); | |
var heightScale = d3.scale.ordinal().rangeRoundBands([padding[0], h - padding[2]], 0.1) | |
var xAxis = d3.svg.axis().scale(widthScale).orient("bottom"); | |
var yAxis = d3.svg.axis().scale(heightScale).orient("left"); | |
var svg = d3.select("body") | |
.append("svg") | |
.attr("width", w) | |
.attr("height", h); | |
d3.csv("evenementen_totalen.csv", function(dataset) { | |
widthScale.domain([0, d3.max(dataset, function(d){ return +d.aantal_totaal})]); | |
heightScale.domain(dataset.map(function(d){return d.jaar;})); | |
svg.selectAll("rect") | |
.data(dataset) | |
.enter() | |
.append("rect") | |
.attr({ | |
x: padding[3], | |
y: function(d, i){return heightScale(d.jaar);}, | |
width: function(d){return widthScale(d.aantal_totaal);}, | |
height: function(d){return heightScale.rangeBand()}, | |
fill: "darkblue" | |
}) | |
.append("title") | |
.text(function(d) { | |
return d.aantal_totaal + " grant applications in " + d.jaar; | |
}); | |
svg.append("g") | |
.attr({ | |
class: "x axis", | |
transform: "translate(" + padding[3] + ","+ (h - padding[2]) + ")" | |
}) | |
.call(xAxis); | |
svg.append("g") | |
.attr({ | |
class: "y axis", | |
transform: "translate(" + (padding[3] - 1) + ",0)" | |
}) | |
.call(yAxis); | |
}); | |
</script> | |
</body> | |
</html> |
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