D3 Examples - Scatterplot

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<!DOCTYPE html>
<html lang="ru">
    <head>
        <meta charset="utf-8">
        <title>D3 Project Template</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <link rel="stylesheet" href="style.css">
        <style type="text/css">
        
        body {
            background-color: white;
            font-family: Helvetica, Arial, sans-serif;
        }   
        h1 {
            font-size: 24px;
            margin:0;
        }
​
        p {
            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>
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    <h1>Russian airport rankings 2012</h1>
​
    <p> X axis - dom '000 pax, <br>
        Y axis - int '000 pax, <br>
        Values - 2012 year total <br>
        Source: <a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%BF%D0%B8%D1%81%D0%BE%D0%BA_%D0%BD%D0%B0%D0%B8%D0%B1%D0%BE%D0%BB%D0%B5%D0%B5_%D0%B7%D0%B0%D0%B3%D1%80%D1%83%D0%B6%D0%B5%D0%BD%D0%BD%D1%8B%D1%85_%D0%B0%D1%8D%D1%80%D0%BE%D0%BF%D0%BE%D1%80%D1%82%D0%BE%D0%B2_%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D0%B8">Wikipedia.org</a></p>
​
        <script type="text/javascript"> 
​
​
        var w=320;
        var h=300;
        var padding = [20,10,20,50];
​
        var svg = d3.select("body")
                    .append("svg")
                    .attr("width",w)
                    .attr("height",h);
​
        var xScale = d3.scale.linear().range([0,w - padding[1] - padding[3]]);
        var yScale = d3.scale.linear().range([padding[0],h - padding[2]]);
​
        d3.csv("data.csv", function(data) {
​
            // REMOVE SPACES d.v.replace(/\s+/g, '');
​
            /*data.sort(function(a,b) {
                return d3.descending(a.v.replace(/\s+/g, ''),b.v.replace(/\s+/g, ''));
            });
    `       */
​
            var filtered = data.filter(function(d) {
                    return (d.year=="2012");
                });
​
            xScale.domain([0, d3.max(filtered, function(d) {
                return +d.paxint;
            })]);
​
            yScale.domain([d3.max(filtered,function(d) {
                return +d.paxint;
                }),0]);
​
            /*
            */
            var circles = svg.selectAll("circle")
                .data(filtered)
                .enter()
                .append("circle");
​
            circles
                .attr("cx",function(d) {
                    return -100;
                })
                .attr("cy", function(d) {
                    return -100;
                })
                .attr("fill", "steelblue")
                .attr("r",0.1)
                .append("title")
                .text(function(d) {
                    return d.airport + " " + d.paxtotal;
                });
​
            var xAxis = d3.svg.axis ()
                        .scale(xScale)
                        .orient("bottom")
                        .tickFormat(function(d) {
                            return d/1000;
                        })
                        .ticks(6);
            var yAxis = d3.svg.axis ()
                        .scale(yScale)
                        .orient("left")
                        .tickFormat(function(d) {
                            return d/1000;
                        })
                        .ticks(6);
            
            svg.append("g")
                .attr("class", "x axis")
                .attr("transform", "translate(" + padding[3]+","+(h-padding[2])
                    + ")")
                .call(xAxis);
​
    //Create X axis label
​
        //Create X axis label   
        svg.append("text")
        .attr("x", w / 2 )
        .attr("y",  h + padding[2])
        .style("text-anchor", "middle")
        .text("dom, '000 pax");
​
​
                        svg.append("g")
                .attr("class", "y axis")
                .attr("transform", "translate(" + (padding[3])+",0)")
                .call(yAxis);
            
            svg.append("text")
            .attr("transform", "rotate(-90)")
            .attr("y", 0-padding[3])
            .attr("x",0 - (h / 2))
            .attr("dy", "1em")
            .style("text-anchor", "middle")
            .text("int, 000 pax");              
​
​
            circles.sort(function(a,b) {
                        return d3.ascending(+a.paxtotal,+b.paxtotal);
                    })
                    .transition()
                    .delay(function(d,i) {
                        return i*50;
                    })
                    .duration(2000)
                    .attr("r",4)
                    .attr("cx",function(d) {
                                        return xScale(d.paxdom)+padding[1]+padding[3];
                                    })
                    .attr("cy", function(d) {
                                        return yScale(+d.paxint);
                                    })                  ;               
        });
        </script>
    </body>
</html>
    