D3 Examples - Exercise 3, Bar chart

xxxxxxxxxx
 
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Bar chart</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: DimGray;
            }
​
            svg {
                background-color: DimGray;
            }
​
        </style>
    </head>
    <body>
​
            
    
        <script type="text/javascript">     
​
​
            var w = 800;
            var h = 600;
            var barPadding = 1;
            
            var padding = [ 40, 60, 20, 50 ];
            
            
            var widthScale = d3.scale.linear()
                                .range([ 0, w - padding[1] - padding[3] ]);
            var heightScale = d3.scale.ordinal()
                                .rangeRoundBands([ padding[0], h - padding[2] ], 0.5);
            
            var dataset = [ 269755, 268753, 265513, 237986, 208286, 197710, 191967, 186914, 170490, 28970,
                            26676, 25610 ];
            
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);
        
        
                        
            d3.csv("FelonyOffensesVSArrests-2000-2011.csv", function(data) {
​
                                    
                data.sort(function(a, b) {
                    return d3.descending(+a.TOTALFELONYOFFENSES, +b.TOTALFELONYOFFENSES);
​
                });
                
                widthScale.domain([ 0, d3.max(data, function(d) {
                    return +d.TOTALFELONYOFFENSES;
                }) ]);
​
                heightScale.domain(d3.range(data.length));
                
                        
                var lines = svg.selectAll("line")
                                .data(data)
                                .enter()
                                .append("line")
                                
                lines.style("stroke", "darkgrey")
                    .style("stroke-with", 2);
                lines.attr("x1", 5)
                    .attr("y1", 5)
                    .attr("x2", 800)
                    .attr("y2", 5)
                        
                                        
                var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
                                
                        
                rects.style("fill", "white");
                rects.attr("x", 20)
                    .attr("y", function(d, i) {
                        return heightScale(i);
                    })
                 
               .attr("width", function(d) {
                        return widthScale(d.TOTALFELONYOFFENSES);
                    })
               .attr("height", 18)
                    .append("title")
                    .style("fill", "white")
                    .text(function(d) {
                    return +d.YEAR + " , year in which take place " + +d.TOTALFELONYOFFENSES + " felonies on NYC ";
                    });
               
               var texts = svg.selectAll("text")
                                .data(data)
                                .enter()
                                .append("text");
                                
                                texts.style("fill", "DarkGray");
                                texts.attr("x", 20)
                                .attr("y",35)
                                .attr("font-size", 29)
                                .attr("font-family", "Arial")
                                .attr("font-weight", "normal")
                                .text(function(d) {
                    return "TOTAL FELONIES ON NEW YORK FROM 2000 TO 2011"
                    });
                                
             var things = svg.selectAll("p")
               .data(data)
               .enter()
               .append("p")
               
               things.style ("fill", "black");
               things.attr("x", 20) 
               .attr("y", 5)
               .attr("font-family", "arial")
               .attr("font-size", "11px")
               .text(function(d) {
                    return +d.TOTALFELONYOFFENSES;
               
               })
                
             });
    
        </script>
​
    </body>
</html>
    