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@mpmckenna8

mpmckenna8/README.md

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Last active December 15, 2015 23:19
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readme.json
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index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.background {
fill: none;
pointer-events: all;
}
#states {
fill: #aaa;
stroke: #fff;
stroke-width: 1.5px;
}
#states .active {
fill: pink;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var width = 960,
height = 500,
centered;
var path = d3.geo.path();
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
svg.append("rect")
.attr("class", "background")
.attr("width", width)
.attr("height", height)
.on("click", click);
var g = svg.append("g")
.attr("id", "states");
d3.json("readme.json", function(json) {
g.selectAll("path")
.data(json.features)
.enter().append("path")
.attr("d", path)
.on("click", click);
});
function click(d) {
var x, y, k;
if (d && centered !== d) {
var centroid = path.centroid(d);
x = centroid[0];
y = centroid[1];
k = 4;
centered = d;
} else {
x = width / 2;
y = height / 2;
k = 1;
centered = null;
}
g.selectAll("path")
.classed("active", centered && function(d) { return d === centered; });
g.transition()
.duration(1000)
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")scale(" + k + ")translate(" + -x + "," + -y + ")")
.style("stroke-width", 1.5 / k + "px");
}
</script>
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