xxxxxxxxxx<html lang="en"> <head> <meta charset="utf-8"> <title>UK Immigration: Daily Mail Headlines</title> <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script> <script type="text/javascript" src="/../js/d3.min.js"></script> <style type="text/css"> body { background-color: white; font-family: Helvetica, Arial, sans-serif; } h1 { font-size: 24px; margin: 0; } h2 { font-size: 16px; margin:0; } p { font-size: 14px; margin: 10px 0 0 0; } svg { background-color: white; } path:hover { fill: #EED6A5; } .axis path, .axis line { fill: none; stroke: black; shape-rendering: crispEdges; } .axis text { font-family: sans-serif; font-size: 11px; } .line { stroke: black; stroke-width: 1px; opacity: 0.5; fill: none; } .line:hover { stroke: green; stroke-width:2px; opacity:1; } .label{ font-size: small; font-family: avenir; } .tooltip { position: absolute; padding: 5px; pointer-events: none; border: 1px solid green; /* border-radius: 12px;*/ line-height: 20px; opacity: .07; background-color:white; } .tooltipTail { position: absolute; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right:25px solid green; } .tooltipTail.hidden{ display:none; opacity:0; } </style> </head> <body> <div class="line-graph"></div> <script type="text/javascript"> //Dimensions and padding var margin = {top:20,right:30,bottom:50,left:50} var w = 900 - margin.left - margin.bottom; var h = 600 - margin.top - margin.right; var padding = [ 20, 10, 50, 50 ]; //Top, right, bottom, left var color = d3.scale.linear() .range(['#B8B800','#296629']) //Set up date formatting and years var dateFormat = d3.time.format("%Y"); //Set up scales var xScale = d3.time.scale() .range([ margin.left, w - margin.left - margin.right]); var yScale = d3.scale.linear() .range([ margin.top, h - margin.bottom ]); //Configure axis generators var xAxis = d3.svg.axis() .scale(xScale) .orient("bottom") .ticks(15) .tickFormat(function(d) { return dateFormat(d); }); var yAxis = d3.svg.axis() .scale(yScale) .orient("left"); //Configure line generator var line = d3.svg.line() .x(function(d) { return xScale(dateFormat.parse(d.year)); }) .y(function(d) { return yScale(+d.amount); }); //Create main SVG var svg = d3.select(".line-graph") .append("svg") .attr("width", w + margin.left + margin.right) .attr("height", h); var tooltip = d3.select("body").append("div") .attr("class","tooltip") var tooltipTail = d3.select("body").append('div') .attr("class","tooltipTail") .classed("hidden",true) //Load data d3.csv("data.csv", function(data) { //Data is loaded in, but we need to restructure it. //Remember, each line requires an array of x/y pairs; //that is, an array of arrays, like so: // // [ [x: 1, y: 1], [x: 2, y: 2], [x: 3, y: 3] ] // //We, however, are using 'year' as x and 'amount' as y. //We also need to know which country belongs to each //line, so we will build an array of objects that is //structured like this: /* [ { location: "Australia", values: [ { year: 1961, amount: 90589.568 }, { year: 1962, amount: 94912.961 }, { year: 1963, amount: 101029.517 }, … ] }, { location: "Bermuda", values: [ { year: 1961, amount: 176.016 }, { year: 1962, amount: 157.681 }, { year: 1963, amount: 150.347 }, … ] }, … ] */ //New array with all the years, for referencing later var years = ["2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011", "2012"]; var years = d3.keys(data[0]).filter( function(key) { return key != "Location" } ) //Create a new, empty array to hold our restructured dataset var dataset = []; //Loop once for each row in data for (var i = 0; i < data.length; i++) { //Create new object with Location name and empty array dataset[i] = { location: data[i].Location, headlines: [] }; //Loop through all the years for (var j = 0; j < years.length; j++) { // If value is not empty if (data[i][years[j]]) { //Add a new object to the emissions data array //for this country dataset[i].headlines.push({ year: years[j], amount: data[i][years[j]] }); } } } //Uncomment to log the original data to the console console.log(data); //Uncomment to log the newly restructured dataset to the console console.log(dataset); //Set scale domains // xScale.domain([ // d3.min(years, function(d) { // return dateFormat.parse(d); // }), // d3.max(years, function(d) { // return dateFormat.parse(d); // }) // ]); xScale.domain( d3.extent(years, function(d) { return dateFormat.parse(d)})) yScale.domain([ d3.max(dataset, function(d) { return d3.max(d.headlines, function(d) { return +d.amount; }); }), 0 ]); //Make a group for each Nationality var groups = svg.selectAll("g") .data(dataset) .enter() .append("g"); //Append a title with the Nationality name (so we get easy tooltips) // groups.append("title") // .text(function(d) { // return d.location; // }); var text = groups.append("text") .attr("class", "label") .attr("x", w - 40 ) //Within each group, create a new line/path, //binding just the headlines data to each one groups.selectAll("path") //.data(dataset) //using this format will warp the line color and append World as the //title for every line .data(function(d) { return [d]}) .enter() .append("path") .attr("class", "line") .on("mouseover", function(d) { tooltip1(d); //tooltip2(d) }) .on("mouseout", function(d) { mouseout(d) }) //.attr("d", line) .attr("d", function(d) { return line(d.headlines)} ) //.attr("fill", function(d,i) { color(d)}) .attr("fill", "none") .append("title").text(function(d) { return d.location}) function mouseout(d){ tooltip.transition().duration(200).style("opacity",0) } function tooltip1 (d){ var yl = yScale(+d.headlines[d.headlines.length -1 ].amount) tooltipTail(d) text.attr("y", yScale(+d.headlines[d.headlines.length -1 ].amount) + 4 ) tooltip.style("opacity",0) tooltip.style("border" , "3px solid green").transition().duration(1000).style("opacity",1) tooltip.html( '<span class="countryName">' + d.location + '</span><br/>') //+ // '2012: <span class="value">' + d. + '%</span><br/>' + // "2012"+ ": " + '<span class="value">' + "2010" + '%</span>') //.style("left", (d3.event.pageX - 30) + "px") //.style("top", (d3.event.pageY -50 ) + "px") // var tailX = w -70; // var tailY = yScale(+d.headlines[d.headlines.length -1 ].amount) .style("left", w - 47 + "px") .style("top", yl - 10 + "px") } function tooltip2 (d) { var length = d.location console.log(length) var yl = yScale(+d.headlines[d.headlines.length -1 ].amount) text.attr("y", yScale(+d.headlines[d.headlines.length -1 ].amount) + 4 ) tooltip.style("opacity",0) tooltip.style("border" , "3px solid green").transition().duration(1000).style("opacity",1) tooltip.html( '<span class="countryName">' + d.location + '</span><br/>') //+ // '2012: <span class="value">' + d. + '%</span><br/>' + // "2012"+ ": " + '<span class="value">' + "2010" + '%</span>') .style("left", (d3.event.pageX - (length.length * 4)) + "px") .style("top", (d3.event.pageY -50 ) + "px") } function tooltipTail (d) { var currentYear = d.headlines var tailX = w -70; var tailY = yScale(+d.headlines[d.headlines.length -1 ].amount) d3.select(".tooltipTail") .classed("hidden",false) .transition().duration(1000) .style("left", tailX + "px") .style("top", tailY + "px") } //Axes 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) // Add rotated "Number of Headlines" unit of measure text to x-axis .append("text") .attr("class", "label") .attr("transform", "rotate(-90)") .attr("x", -20) .attr("y", 5) .attr("dy", ".91em") .style("text-anchor", "end") .text("Percent of Engery Generation "); }); //End USA data load function </script> </body></html> Modified http://d3js.org/d3.v3.js to a secure url
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