This bar chart is implemented using d3.js and it uses TourPedia data. TourPedia contains information about accommodations, restaurants, points of interest and attractions of different places in Europe. As it is now, it provides information about Amsterdam, Barcelona, Berlin, Dubai, London, Paris, Rome and Tuscany. The bar chart is horizontal variant of the vertical chart and shows the amount of venues grouped by city and by category.
Last active
August 29, 2015 14:01
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OpeNER - Horizontal Bar Chart
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| body { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: lightgrey; | |
| shape-rendering: crispEdges; | |
| } | |
| rect { | |
| shape-rendering: crispEdges; | |
| } | |
| rect:hover { | |
| opacity: 0.7; | |
| } | |
| .x.axis path { | |
| display: none; | |
| } | |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <link rel="stylesheet" type="text/css" href="index.css"> | |
| </head> | |
| <body> | |
| <script src='index.js'></script> | |
| </body> | |
| </html> |
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| var margin = {top: 20, right: 20, bottom: 30, left: 100}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var y0 = d3.scale.ordinal() | |
| .rangeRoundBands([height, 0], .1); | |
| var y1 = d3.scale.ordinal(); | |
| var x = d3.scale.linear() | |
| .range([0, width-100]); | |
| var color = d3.scale.ordinal() | |
| .range(["rgb(239, 142, 173)", "rgb(213, 161, 102)", "rgb(122, 186, 127)", "rgb(0, 189, 213)", "#DDD"]); | |
| var yAxis = d3.svg.axis() | |
| .scale(y0) | |
| .orient("left") | |
| .tickSize(0,0); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom") | |
| .tickSize(height) | |
| .tickFormat(d3.format(".2s")); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var data = []; | |
| var url = 'http://tour-pedia.org/api/getPlacesStatistics'; | |
| d3.json(url, function(apidata) { | |
| var data = Object.keys(apidata).map(function(city_name){ | |
| return { | |
| name: city_name, | |
| categories: Object.keys(apidata[city_name]).map(function(cat_name){ | |
| return { | |
| name: cat_name, | |
| value: apidata[city_name][cat_name] | |
| }; | |
| }) | |
| }; | |
| }); | |
| console.log(data); | |
| var categories =['accommodation','attraction','restaurant','poi']; | |
| y0.domain(data.map(function(d){ return d.name; })); | |
| y1.domain(categories).rangeRoundBands([0, y0.rangeBand()], 0.1); | |
| x.domain([0, d3.max(data, function(city) { return d3.max(city.categories, function(cat){ return cat.value; }); })]); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .call(xAxis) | |
| .append("text") | |
| .attr("x", width) | |
| .attr("y", height) | |
| .attr("dy", ".71em") | |
| .style("text-anchor", "end") | |
| .text("# of Places"); | |
| var cities = svg.selectAll(".city") | |
| .data(data, function(d){ return d.name; }) | |
| .enter().append("g") | |
| .attr("class", "g") | |
| .attr("transform", function(d) { return "translate(0," + y0(d.name) + ")"; }); | |
| var rect = cities.selectAll("rect") | |
| .data(function(city) { return city.categories; }, function(d){ return d.name; }) | |
| .enter().append("rect") | |
| .attr("height", y1.rangeBand()) | |
| .attr("x", 2) | |
| .attr("y", function(d) { return y1(d.name); }) | |
| .attr("width", 0) | |
| .style("fill", function(d) { return color(d.name); }); | |
| rect.transition() | |
| .duration(600) | |
| .ease("linear") | |
| .attr("width", function(d) { return x(d.value)}); | |
| rect.append("title") | |
| .text(function(d){ | |
| return d.value | |
| }); | |
| var legend = svg.selectAll(".legend") | |
| .data(categories) | |
| .enter().append("g") | |
| .attr("class", "legend") | |
| .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; }); | |
| legend.append("rect") | |
| .attr("x", width-90) | |
| .attr("width", 18) | |
| .attr("height", 18) | |
| .style("fill", color); | |
| legend.append("text") | |
| .attr("x", width - 60) | |
| .attr("y", 9) | |
| .attr("dy", ".35em") | |
| .style("text-anchor", "start") | |
| .text(function(d) { return d; }); | |
| }) |
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