xxxxxxxxxx<html lang="en"> <head> <meta charset="utf-8"> <title>Line Chart with Multiple Lines</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; } 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; } </style> </head> <body> <h1>CT Town Fiscal Spending</h1> <p>CT Fiscal Spending by Town. Source: <a href="https://data.ct.gov/Government/Municipal-Fiscal-Indicators-2007-2012/h7h2-manp">CT Office of Policy and Management, Intergovernmental Policy Division</a>, 2014</p> <script type="text/javascript"> //Dimensions and padding var w = 900; var h = 900; var padding = [ 20, 10, 50, 100 ]; //Top, right, bottom, left //Set up date formatting and years var dateFormat = d3.time.format("%Y"); //Set up scales var xScale = d3.time.scale() .range([ padding[3], w - padding[1] - padding[3] ]); var yScale = d3.scale.linear() .range([ padding[0], h - padding[2] ]); //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); }); var area = d3.svg.area() .x(function(d) { return xScale(dateFormat.parse(d.year)); }) .y0(h - padding[2]) .y1(function(d) { return yScale(d.amount); }); //Create the empty SVG image var svg = d3.select("body") .append("svg") .attr("width", w) .attr("height", h); //Load data d3.csv("totalRevenue.csv", function(data) { d3.csv("totalAssets.csv", function(data2) { var years = ["2007","2008","2009","2010","2011","2012"]; var dataset = []; //Loop once for each row in data for (var i = 0; i < data.length; i++) { //Create new object with this city's name and empty array dataset[i] = { city: data[i].city, totalRevenue: [], totalAssets: [] }; //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 totalRevenue data array //for this city dataset[i].totalRevenue.push({ year: years[j], amount: data[i][years[j]] }); dataset[i].totalAssets.push({ year: years[j], amount: data2[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); }) ]); yScale.domain([ d3.max(dataset, function(d) { return d3.max(d.totalRevenue, function(d) { return +d.amount; }); }), 0 ]); //Make a group for each city var groups = svg.selectAll("g") .data(dataset) .enter() .append("g"); //Append a title with the city name (so we get easy tooltips) groups.append("title") .text(function(d) { return d.city; }); //Within each group, create a new line/path, //binding just the totalRevenue data to each one groups.selectAll("path") .data(function(d) { return [ d.totalRevenue ]; }) .enter() .append("path") .attr("class", "line") .attr("d", line) .attr("fill", "none") .attr("stroke", "steelblue") .attr("stroke-width", 1); groups.selectAll("path") .data(function(d) { return [ d.totalAssets ]; }) .enter() .append("path") .attr("class", "line") .attr("d", line) .attr("fill", "none") .attr("stroke", "red") .attr("stroke-width", 1); //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); }); //End USA data load function }); // end load revenue data function </script> </body></html> Modified http://d3js.org/d3.v3.js to a secure url
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