Exercise module 3: bar chart

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Creating SVG Elements from Data</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				background-color: white;
			}
            
            p {
                color: black;
                font-size: 14px;
                font-family: "Helvetica";
            }

svg {
				background-color: white;
			}

</style>
	</head>
	<body>        
        <H1>The number of grant applications by year 2011-2014</H1>
        <p>These horizontal bar charts display the number of grant applications for events organized in the Provence of Groningen in 2011, 2012, 2013 and 2014. There are four bar charts: the total number of grant applications, the number of applications approved, the number of application rejected and the percentage of applications approved. </p>
		<script type="text/javascript">

var w = 180;      // Width of SVG
            var h = 100;      // Height of SVG
            var barh = 15;    // Height of bar
            var barPadding = 3;        // Padding
            var offset = 14;  // Offset for bar-chart

var svg1 = d3.select("body")
					 	.append("svg")
					 	.attr("width", w)
					 	.attr("height", h);
            var svg2 = d3.select("body")
					 	.append("svg")
					 	.attr("width", w)
					 	.attr("height", h);
            
            var svg3 = d3.select("body")
					 	.append("svg")
					 	.attr("width", w)
					 	.attr("height", h);
            
            var svg4 = d3.select("body")
					 	.append("svg")
					 	.attr("width", w)
					 	.attr("height", h);

svg1.append("text")
                .text("Total")
                .attr("x","0")
                .attr("y","10")
                .attr("fill", "grey")
                .attr("font-size", "12")
                .attr("font-family","Helvetica");
            
            svg2.append("text")
                .text("Approved")
                .attr("x","0")
                .attr("y","10")
                .attr("fill", "grey")
                .attr("font-size", "12")
                .attr("font-family","Helvetica");
            
            svg3.append("text")
                .text("Rejected")
                .attr("x","0")
                .attr("y","10")
                .attr("fill", "grey")
                .attr("font-size", "12")
                .attr("font-family","Helvetica");
            
            svg4.append("text")
                .text("% approved")
                .attr("x","0")
                .attr("y","10")
                .attr("fill", "grey")
                .attr("font-size", "12")
                .attr("font-family","Helvetica");

d3.csv("evenementen_totalen.csv", function(dataset) {

svg1.selectAll("rect")
					.data(dataset)
					.enter()
					.append("rect")
					.attr({
                        x: 0,
				        y: function(d, i){return offset + (i * ((h - offset) / dataset.length));},
                        width: function(d){return d.aantal_totaal * 2;},
                        height: function(d){return (h - offset) / dataset.length - barPadding},
                        fill: "darkblue"
                    })
                    .append("title")
					.text(function(d) {
						return d.aantal_totaal + " grant applications in " + d.jaar;
					});
                
                svg2.selectAll("rect")
					.data(dataset)
					.enter()
					.append("rect")
					.attr({
                        x: 0,
				        y: function(d, i){return offset + (i * ((h - offset) / dataset.length));},
                        width: function(d){return d.aantal_verleend * 2;},
                        height: function(d){return (h - offset) / dataset.length - barPadding},
                        fill: "darkblue"
                    })
                    .append("title")
					.text(function(d) {
						return d.aantal_verleend + " grant applications approved in " + d.jaar;
					});
                
                svg3.selectAll("rect")
					.data(dataset)
					.enter()
					.append("rect")
					.attr({
                        x: 0,
				        y: function(d, i){return offset + (i * ((h - offset) / dataset.length));},
                        width: function(d){return d.aantal_geweigerd * 2;},
                        height: function(d){return (h - offset) / dataset.length - barPadding},
                        fill: "darkblue"
                    })
                    .append("title")
					.text(function(d) {
						return d.aantal_geweigerd + " grant applications rejected in " + d.jaar;
					});
                
                svg4.selectAll("rect")
					.data(dataset)
					.enter()
					.append("rect")
					.attr({
                        x: 0,
				        y: function(d, i){return offset + (i * ((h - offset) / dataset.length));},
                        width: function(d){return d.aantal_verleend/d.aantal_totaal * 100;},
                        height: function(d){return (h - offset) / dataset.length - barPadding},
                        fill: "darkblue"
                    })
                    .append("title")
					.text(function(d) {
						return Math.round(d.aantal_verleend/d.aantal_totaal * 100) + " % grant applications approved in " + d.jaar;
					});

});

</script>

</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

https://d3js.org/d3.v3.js