Old school D3 from simpler times

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FrieseWoudloper

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Exercise module 6

<!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;
			}
            
            h1 {
                font-size: 24px;
                margin: 0;
            }
            
            p {
                font-size: 14px;
                margin: 10 px 0 0 0;
            }

svg {
				background-color: white;
			}
            
            circle: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;
            } 
            
            .swatch {margin-right:10px;}
            .swatch:before {display: inline-block;width:16px;height:16px;content:"";margin-right:5px;position:relative;top:2px;}
        
            .swatch_applied:before {background:#f21212;}
            .swatch_granted:before {background:#4682b4;}

</style>
	</head>
	<body>        
        <H1>Grant amount per year</H1>
        <p>This line plot displays the grant amount per year for sports and cultural events granted by the Province of Groningen.
            <br /><br />
            
            <span class="swatch swatch_applied">Applied for</span>
            <span class="swatch swatch_granted">Granted</span>
        </p>    
		<script type="text/javascript">

var w = 500;           
            var h = 400;              
            var padding = [20, 10, 50, 90]; // Top, right, bottom, left
            
            var dateFormat = d3.time.format("%Y");
            
            var xScale = d3.time.scale().range([padding[3], w - padding[1] - padding [3]]);
            var yScale = d3.scale.linear().range([padding[0], h - padding[2]]);
            
            var xAxis = d3.svg.axis().scale(xScale).orient("bottom").ticks(4).tickFormat(function(d){ return dateFormat(d) });
                
            var yAxis = d3.svg.axis().scale(yScale).orient("left").tickFormat(d3.format("d"));
            
			var line1 = d3.svg.line()
				.x(function(d) {
					return xScale(dateFormat.parse(d.jaar));
				})
				.y(function(d) {
					return yScale(d.verleend_bedrag);
				});
            
            var line2 = d3.svg.line()
				.x(function(d) {
					return xScale(dateFormat.parse(d.jaar));
				})
				.y(function(d) {
					return yScale(d.gevraagd_bedrag_totaal);
				});

var svg = d3.select("body")
					 	.append("svg")
					 	.attr("width", w)
					 	.attr("height", h);
          
			d3.csv("evenementen_totalen.csv", function(data) {
                
                xScale.domain([d3.min(data, function(d){ return dateFormat.parse(d.jaar) }), d3.max(data, function(d){ return dateFormat.parse(d.jaar) })]);    
                yScale.domain([d3.max(data, function(d){ return +d.gevraagd_bedrag_totaal}), 0]); 
                
				svg.data([ data ])
					.append("path")
					.attr("class", "line verleend bedrag")
					.attr("d", line1)
					.attr("fill", "none")
					.attr("stroke", "steelblue")
					.attr("stroke-width", 2);
                
                svg.data([ data ])
					.append("path")
					.attr("class", "line gevraagd bedrag")
					.attr("d", line2)
					.attr("fill", "none")
					.attr("stroke", "red")
					.attr("stroke-width", 2);
                
                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(0,"+ (h - padding[2] + 10) + ")")      
                    .call(xAxis)
                    .append("text")
                    .attr("class", "label")
                    .attr("x", w/2)
                    .attr("y", 40)
                    .style("text-anchor", "middle")
                    .text("Year");
                
                
                svg.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate(" + (padding[3] - 10) + ",0)")    
                    .call(yAxis)       
                    .append("text")
                    .attr("class", "label")
                    .attr("transform", "rotate(-90)")
                    .attr("x", -130)
                    .attr("y", -75)
                    .attr("dy", ".71em") 
                    .style("text-anchor", "end")
                    .text("Grant amount (euro's)");                               
			});

</script>

</body>
</html>

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

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