Styled after Series of Concentric Circles Emanating from Glowing Red Dot in The Onion.
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
background: #a7a37e; | |
} | |
.graticule { | |
fill: none; | |
stroke: #fff; | |
stroke-width: .5px; | |
} | |
.land { | |
fill: #efecca; | |
} | |
.dot { | |
fill: #046380; | |
} | |
.ring { | |
fill: none; | |
stroke: #046380; | |
} | |
</style> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script src="http://d3js.org/topojson.v1.min.js"></script> | |
<script> | |
var width = 960, | |
height = 500; | |
var projection = d3.geo.mercator() | |
.center([113, -3]) | |
.scale(1275) | |
.translate([width / 2, height / 2]) | |
.clipExtent([[0, 0], [width, height]]) | |
.precision(.1); | |
var path = d3.geo.path() | |
.projection(projection); | |
var graticule = d3.geo.graticule() | |
.step([5, 5]); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
svg.append("path") | |
.datum(graticule) | |
.attr("class", "graticule") | |
.attr("d", path); | |
svg.append("circle") | |
.attr("class", "dot") | |
.attr("transform", "translate(" + projection([100, -8]) + ")") | |
.attr("r", 8); | |
setInterval(function() { | |
svg.append("circle") | |
.attr("class", "ring") | |
.attr("transform", "translate(" + projection([100, -8]) + ")") | |
.attr("r", 6) | |
.style("stroke-width", 3) | |
.style("stroke", "#efecca") | |
.transition() | |
.ease("linear") | |
.duration(6000) | |
.style("stroke-opacity", 1e-6) | |
.style("stroke-width", 1) | |
.style("stroke", "#046380") | |
.attr("r", 160) | |
.remove(); | |
}, 750); | |
d3.json("/mbostock/raw/4090846/world-50m.json", function(error, world) { | |
svg.insert("path", ".graticule") | |
.datum(topojson.feature(world, world.objects.land)) | |
.attr("class", "land") | |
.attr("d", path); | |
}); | |
d3.select(self.frameElement).style("height", height + "px"); | |
</script> |
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