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Timezones
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <link href="main.css" rel="stylesheet"/> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.js"></script> | |
| <script src='http://d3js.org/topojson.v1.js'></script> | |
| <script src="main.js"></script> | |
| </body> | |
| </html> |
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| path { | |
| fill: none; | |
| stroke: #111; | |
| } | |
| div.tooltip { | |
| color: #222; | |
| background: #fff; | |
| padding: .5em; | |
| text-shadow: #f5f5f5 0 1px 0; | |
| border-radius: 2px; | |
| box-shadow: 0px 0px 2px 0px #a6a6a6; | |
| opacity: 0.9; | |
| position: absolute; | |
| } |
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| var width = 950, height = 700; | |
| var projection = d3.geo.equirectangular().translate([480, 250]); | |
| var path = d3.geo.path().projection(projection); | |
| var graticule = d3.geo.graticule() | |
| .step([15, 0]) | |
| var hourWidth = projection([15,0])[0] - projection([0,0])[0] | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .call(d3.behavior.zoom() | |
| .on("zoom", redraw)) | |
| .append("g"); | |
| var tooltip = d3.select('body').append("div").attr("class", "tooltip hidden"); | |
| function redraw() { | |
| var s = d3.event.scale; | |
| var t = d3.event.translate; | |
| svg.style("stroke-width", 1 / s).attr("transform", "translate(" + t + ")scale(" + s + ")"); | |
| } | |
| var defs = svg.append('defs') | |
| var gradient = defs.append('linearGradient') | |
| .attr('id', 'gradient') | |
| .attr('x1', 0) | |
| .attr('x2', '100%') | |
| .attr('y1', 0) | |
| .attr('y2', 0) | |
| gradient | |
| .append('stop').attr('stop-color', '#f51').attr('offset', '5%') | |
| gradient | |
| .append('stop').attr('stop-color', '#5f5').attr('offset', '50%') | |
| gradient | |
| .append('stop').attr('stop-color', '#f51').attr('offset', '95%') | |
| var id = 0 | |
| function generateId() { | |
| return id++ | |
| } | |
| d3.json("timezones-topo2.json", function (error, world) { | |
| var tzdata = topojson.feature(world, world.objects.timezones).features; | |
| tzdata.forEach(function(d) { | |
| var hours = d.properties.Name.match('[+-]?\\d+') | |
| d.properties.id = generateId() | |
| d.properties.hours = +hours | |
| }) | |
| var tz = defs.selectAll(".tz").data(tzdata); | |
| tz.enter().insert("clipPath") | |
| .attr("id", function (d) { | |
| return d.properties.id; | |
| }) | |
| .append('path') | |
| .attr("d", path) | |
| var rects = svg.selectAll('rect').data(tzdata).enter().append('rect') | |
| var zoneWidth = 7 * hourWidth | |
| rects | |
| .attr('x', function(d) { | |
| return projection([d.properties.hours * 15, 0])[0] - zoneWidth / 2 | |
| }) | |
| .attr('y', 0) | |
| .attr('width', zoneWidth) | |
| .attr('height', '100%') | |
| .attr('fill', 'url(#gradient)') | |
| .attr('clip-path', function(d) { | |
| return 'url(#' + d.properties.id + ')' | |
| }) | |
| svg.append('path') | |
| .attr("d", path(graticule())) | |
| .attr('opacity', 0.3) | |
| //tooltips | |
| rects.on("mousemove", function (d, i) { | |
| var mouse = d3.mouse(svg.node()).map(function (d) { | |
| return parseInt(d); | |
| }); | |
| tooltip | |
| .classed("hidden", false) | |
| .attr("style", "left:" + (mouse[0] + 20) + "px;top:" + (mouse[1] + 100) + "px") | |
| .html(d.properties.Name) | |
| }) | |
| .on("mouseout", function (d, i) { | |
| tooltip.classed("hidden", true) | |
| }); | |
| }); |
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