D3 Examples - Exercise 6 Fixed

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<!DOCTYPE html>
<meta charset="utf-8">
<style> /* set the CSS */
​
body { font: 12px Arial;}
​
path { 
    stroke: steelblue;
    stroke-width: 2;
    fill: none;
}
​
.axis path,
.axis line {
    fill: none;
    stroke: grey;
    stroke-width: 1;
    shape-rendering: crispEdges;
}
​
</style>
<body>
​
<h1>Changing Woodshop Production Goals</h1>
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        <p>How I want to shift my woodworking away from <strong style="color: red;">Furniture</strong> and onto <strong style="color: steelblue;">Boxes</strong> and <strong style="color: brown;">Other</strong> items over the coming years</p>
​
<!-- load the d3.js library -->    
<script src="https://d3js.org/d3.v3.min.js"></script>
​
<script>
​
// Set the dimensions of the canvas / graph
var margin = {top: 30, right: 60, bottom: 30, left: 50},
    width = 600 - margin.left - margin.right,
    height = 270 - margin.top - margin.bottom;
​
// Parse the date / time
var parseDate = d3.time.format("%Y").parse;
var yearFormat = d3.time.format("%Y");
​
// Set the ranges
var x = d3.time.scale().range([0, width]);
var y = d3.scale.linear().range([height, 0]);
​
// Define the axes
var xAxis = d3.svg.axis().scale(x)
    .orient("bottom").ticks(8);
​
var yAxis = d3.svg.axis().scale(y)
    .orient("left").ticks(5);
​
// Define the line
var valueline = d3.svg.line()
    .x(function(d) { return x(d.Year); })
    .y(function(d) { return y(d.Boxes); });
    
var valueline2 = d3.svg.line()
    .x(function(d) { return x(d.Year); })
    .y(function(d) { return y(d.Furniture); });
    
var valueline3 = d3.svg.line()
    .x(function(d) { return x(d.Year); })
    .y(function(d) { return y(d.Other); });
    
// Adds the svg canvas
var svg = d3.select("body")
    .append("svg")
        .attr("width", width + margin.left + margin.right)
        .attr("height", height + margin.top + margin.bottom)
    .append("g")
        .attr("transform", 
              "translate(" + margin.left + "," + margin.top + ")");
​
// Get the data
d3.csv("my_goals.csv", function(error, data) {
    data.forEach(function(d) {
        d.Year = parseDate(d.Year);
        d.Boxes = +d.Boxes;
        d.Furniture = +d.Furniture;
    });
​
    // Scale the range of the data
    x.domain(d3.extent(data, function(d) { return d.Year; }));
    y.domain([0, d3.max(data, function(d) { 
        return Math.max(d.Boxes, d.Furniture); })]);
​
    // Add the valueline path.
    svg.append("path")
        .attr("class", "line")
        .attr("d", valueline(data));
    
    svg.append("text")
        .attr("transform", "translate("+(width+5)+","+y(data[data.length - 1].Boxes)+")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "steelblue")
        .text("Boxes");
    
    //Add the valueline2 path
    svg.append("path")     
        .style("stroke", "red")
        .attr("d", valueline2(data));
    
    svg.append("text")
        .attr("transform", "translate("+(width+5)+","+y(data[data.length - 1].Furniture)+")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "red")
        .text("Furniture");
    
    //Add the valueline3 path
    svg.append("path")     
        .style("stroke", "brown")
        .attr("d", valueline3(data));
    
    svg.append("text")
        .attr("transform", "translate("+(width+5)+","+y(data[data.length - 1].Other)+")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "brown")
        .text("Other");
    
    svg.selectAll("dot")
        .data(data)
        .enter().append("circle")
        .attr("r", 3.5)
        .attr("cx", function(d) { return x(d.Year); })
        .attr("cy", function(d) { return y(d.Boxes); })
        .attr("fill", "steelblue")
        .append("title")
        .text(function(d) {
            return yearFormat(d.Year) + " Boxes: " + d.Boxes + " pieces";
        });
    
    svg.selectAll("dot")
        .data(data)
        .enter().append("circle") 
        .attr("r", 3.5)
        .attr("cx", function(d) { return x(d.Year); })
        .attr("cy", function(d) { return y(d.Furniture); })
        .attr("fill", "red")
        .append("title")
        .text(function(d) {
            return yearFormat(d.Year) + " Furniture: " + d.Furniture + " pieces";
        });
    svg.selectAll("dot")
        .data(data)
        .enter().append("circle") 
        .attr("r", 3.5)
        .attr("cx", function(d) { return x(d.Year); })
        .attr("cy", function(d) { return y(d.Other); })
        .attr("fill", "brown")
        .append("title")
        .text(function(d) {
            return yearFormat(d.Year) + " Other: " + d.Other + " pieces";
        });
​
    // Add the X Axis
    svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);
​
    // Add the Y Axis
    svg.append("g")
        .attr("class", "y axis")
        .call(yAxis);
​
});
​
</script>
</body>
    