Module 5: Scatter Plot

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Historic Dipsea Results with D3</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				background-color: white;
			}

h1 {
				font-family: sans-serif;
				font-size: 24px;
				margin: 0;
			}

p {
				font-family: sans-serif;
				font-size: 14px;
				margin: 10px 0 0 0;
			}

svg {
				background-color: white;
			}

circle:hover {
				fill: orange;
			}
			
			.axis path,
			.axis line {
				fill: none;
				stroke: black;
				shape-rendering: crispEdges;
			}
			
			.axis text {
				font-family: sans-serif;
				font-size: 11px;
			}
			
			/*
			.y.axis path,
			.y.axis line {
				opacity: 0;
			}
			*/

</style>
	</head>
	<body>

<h1>The Dipsea Race</h1>
		<p>Age vs. Place.  Source: <a href="https://www.dipsea.org">dipsea.org</a></p>

//Set scales
			var xScale = d3.scale.linear()
							.range([ 0, w ]);
			var yScale = d3.scale.linear()
							.range([ 0, h ]);

//Load in contents of CSV file
			d3.csv("dipsea_filtered.csv", function(data) {
				//Filter data set
				dataset = data;
				dataset2 = dataset
							.filter(function(d) { return d.Age > 0 })
							.filter(function(d) { return d.Place <= 500 });
				
				//Set x and y domain

xScale.domain([ 
					0, 
					d3.max(dataset2, function(d) {
						return +d.Age;
					})
				]);

yScale.domain([
					d3.max(dataset2, function(d) {
						return +d.Place;
					}),
					0
				]);

var xAxis = d3.svg.axis()
							.scale(xScale)
							.orient("bottom");

var yAxis = d3.svg.axis()
							.scale(yScale)
							.orient("left");

//Create SVG canvas
				var svg = d3.select("body")
					.append("svg")
					.attr("width", svgwidth)
					.attr("height", svgheight)
					.append("g")
    				.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

//Log 'data' to the console, for verification.
				//console.log(data);

//Bind filtered data into rect placeholders
				var dots = svg.selectAll("circle")
					.data(dataset2)
					.enter()
					.append("circle");

//Set attributes of rects
				dots.attr("cx", function(d) {
						return +xScale(d.Age);
					})
					.attr("cy", function(d) {
						return yScale(d.Place);
					})
					.attr("r", 2)
					.attr("fill", "grey")
					.attr("opacity", 0.25)
					.append("title")
					.text(function(d) {
						return "Year: " + d.Year + " Place: " + d.Place + " Age: " + d.Age + " Head Start : " + d.HeadStart + " minutes";
					});

svg.append("g")
					.attr("class", "x axis")
					.attr("transform", "translate(0," + h + ")")
					.call(xAxis)
				  .append("text")
					.attr("transform", "rotate(0)")
					.attr("y", 6)
					.attr("dy", "3em")
					.attr("dx", w - margin.right)
					.style("text-anchor", "end")
					.text("Finisher Age");

svg.append("g")
					.attr("class", "y axis")
					.call(yAxis)
				  .append("text")
					.attr("transform", "rotate(-90)")
					.attr("y", 6)
					.attr("dy", "-4em")
					.style("text-anchor", "end")
					.text("Overall Place");

/*			d3.selectAll("span")
				.on("click", function() {
					var cap = this.id;
					alert(cap);
					var dataset2 = dataset
							.filter(function(d) { return d.Age > 0 })
							.filter(function(d) { return d.Place <= cap });

svg.selectAll("circle")
						.data(dataset2)
						.enter()
						.append("circle")
						//.transition()
						//.duration(500)

//.delay(function(d, i) {
						//	return i * 100; })
						.attr("cx", function(d) {
							return +xScale(d.Age);
						})
						.attr("cy", function(d) {
							return yScale(d.Place);
						})
						.attr("r", 3)
						.attr("fill", "grey")
						.attr("opacity", 0.3)
						.append("title")
						.text(function(d) {
							return "Year: " + d.Year + " Place: " + d.Place + " Age: " + d.Age + " Head Start : " + d.HeadStart + " minutes";
						});					
					});

//Update y-axis svg.select(".y.axis")
					yScale.domain([
						d3.max(dataset2, function(d) {
							return +d.Place;
						}),
						0
					]);
					svg.select(".y.axis")
						.transition() 
						.duration(1000) 
						.call(yAxis);*/

});

</script>

</body>
</html>

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

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