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Excercise module 4
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
<!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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