D3 Examples - Fairfax County Hispanic diversity, week 5

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Fairfax County</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: white;
                font-family: Helvetica, Arial, sans-serif;
            }
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            h1 {
                font-size: 28px;
                margin: 0;
            }
​
            p {
                font-size: 14px;
                margin: 10px 0 0 0;
            }
​
            svg {
                background-color: LightGray;
            }
            
            circle:hover {fill: lightgoldenrodyellow;
                }
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: sans-serif;
                font-size: 7.5px;
            }
​
        </style>
    </head>
    <body>
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        <h1>Fairfax County Hispanic Diversity</h1>
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    <p>Total Hispanic population; ACS 2009-13. Source : <a href="https://factfinder.census.gov/bkmk/table/1.0/en/ACS/13_5YR/B03001/0500000US51059.14000"> U.S. Census Bureau</a>, 2009-13</p>
     
    <script type="text/javascript">     
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​
            var w = 750;
            var h = 800;
            var padding = [ 20, 20, 20, 60 ];  
​
​
​
            var xScale = d3.scale.linear()
                                .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(5);
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            var yAxis = d3.svg.axis()
                            .scale(yScale)
                            .orient("left")
                            .ticks(5);
​
​
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            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);
​
​
​
​
            d3.csv("FairfaxHispanic.csv", function(data) {
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​
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                xScale.domain([
                     d3.min(data, function(d) {
                            return +d.HispTot;
                        }),
                     d3.max(data, function(d) {
                            return +d.HispTot;
                        })
                        ]);
​
                yScale.domain([
                  d3.max(data, function(d) {
                            return +d.Mexican;
                          })            
                            ,                           
                            d3.min(data, function(d) {
                            return +d.Mexican;
                          })
                          ]);
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                var circles = svg.selectAll("circle")
                                .data(data)
                                .enter()
                                .append("circle");
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                circles.attr("cx", function (d) {
                            return xScale(d.HispTot); 
                            })
                            .attr("cy", function(d) {
                            return yScale(d.Mexican);
                            })
                            .attr("r",4) 
                            .attr("fill", "DarkBlue")
                            .append("title")
                            .text(function(d) {
                                return d.AreaName + "'s Hispanic total is " + d.HispTot + " and its Mexican total is " + d.Mexican;
                                });
​
​
​
​
                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(0," + (h - padding[2]) + ")")
                    .call(xAxis);
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                svg.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate(" + padding[3] + ",0)")
                    .call(yAxis);
​
            });
​
​
        </script>
​
    </body>
</html>
    