D3 Examples - Module 6 exercise

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Module 6 exercise</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            
            path:hover {
            stroke: white;
            stroke-width: 3px;
            }
            
            body {
               background-color: white;
            }
               svg {
               background-color: white;
               background-image: url("https://orig09.deviantart.net/8e3d/f/2015/115/b/2/image_by_paperpanic-d8r2eba.jpg");
               opacity: 0.50;
        }
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            h1 {
                font-size: 29px;
                margin: 0;
                font-family: arial;
            }
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            p {
                font-family: arial;
                font-size: 20px;
                margin: 10px 0 0 0;
            }
​
​
            
            path {
                stroke: blue;
                stroke-width: 1;
            }
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            g.highlight path {
                stroke: yellow;
                stroke-width: 4;
            }
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                stroke-width: 1;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: arial;
                font-size: 10px;
                color: Gainsboro 
            }
​
        </style>
    </head>
    <body>
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        <h1>TOTAL FELONIES ON NEW YORK FROM 2000 TO 2011</h1>
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        <p>Major an Minor crimes Index &ldquo;Total Felonies&rdquo; by year. Source: <a href="https://data.cityofnewyork.us/Public-Safety/Historical-New-York-City-Crime-Data/hqhv-9zeg">NYC open Data</a>, 2011</p>
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        <script type="text/javascript">     
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            var w = 800;
            var h = 600;
            var padding = [ 20, 10, 50, 100 ]; 
​
​
            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] ]);
​
​
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            var xAxis = d3.svg.axis()
                            .scale(xScale)
                            .orient("bottom")
                            .ticks(10)
                            .tickFormat(function(d) {
                                return dateFormat(d);
                            });
​
            var yAxis = d3.svg.axis()
                            .scale(yScale)
                            .orient("left");
​
​
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            var line = d3.svg.line()
                .x(function(d) {
                    return xScale(dateFormat.parse(d.year));
                })
                .y(function(d) {
                    return yScale(+d.amount);
                });
​
​
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            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);
​
​
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            d3.csv("FelonyOffensesVSArrests-2000-2011.csv", function(data) {
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                var years = ["2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011"];
                
                var dataset = [];
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                for (var i = 0; i < data.length; i++) {
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                    dataset[i] = {
                        country: data[i].Felonies,
                        TotalCrimes: []
                    };
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                    for (var j = 0; j < years.length; j++) {
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                        if (data[i][years[j]]) {
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                            dataset[i].TotalCrimes.push({
                                year: years[j],
                                amount: data[i][years[j]]
                            });
                        }
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                    }
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                }
                
                
                
                xScale.domain([ 
                    d3.min(years, function(d) {
                        return dateFormat.parse(d);
                    }),
                    d3.max(years, function(d) {
                        return dateFormat.parse(d);
                    })
                ]);
​
                yScale.domain([ 
                    d3.max(dataset, function(d) {
                        return d3.max(d.TotalCrimes, function(d) {
                            return +d.amount;
                        });
                    }),
                    0
                ]);
​
​
​
                
                var groups = svg.selectAll("g")
                    .data(dataset)
                    .enter()
                    .append("g")
                    .classed("highlight", function(d) {
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                        if (d.country == "TOTALFELONYOFFENSES" ||
                            d.country == "TOTALARRESTS") {
                            return true;
                        } else {
                            return false;
                        }
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                    });
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                groups.append("title")
                    .text(function(d) {
                        return d.country;
                    });
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                groups.selectAll("path")
                    .data(function(d) {
                        return [ d.TotalCrimes ];
                    })
                    .enter()
                    .append("path")
                    .attr("class", "line")
                    .attr("d", line)
                    .attr("fill", "none")
                    .attr("stroke-width", 2);
​
​
                
                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(0," + (h - padding[2]) + ")")
                    .call(xAxis);
​
                svg.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate(" + (padding[3]) + ",0)")
                    .call(yAxis);
​
            });
​
​
​
        </script>
​
    </body>
</html>
    