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@erohinaelena
Last active August 29, 2015 14:19
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Timezones
<!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>
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;
}
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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