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testStuffsAgain.html
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<!DOCTYPE html>
<meta charset="utf-8">
<style>
.background {
fill: none;
pointer-events: all;
}
.feature {
fill: #ccc;
cursor: pointer;
}
.feature.active {
fill: orange;
}
.mesh {
fill: none;
stroke: #fff;
stroke-linecap: round;
stroke-linejoin: round;
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>
var width = 960,
height = 500,
active = d3.select(null);
var projection = d3.geo.albersUsa()
.scale(1000)
.translate([width / 2, height / 2]);
var t = projection.translate(); // the projection's default translation
var s = projection.scale() // the projection's default scale
var path = d3.geo.path()
.projection(projection);
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", reset);
var g = svg.append("g")
.style("stroke-width", "1.5px");
d3.json("http://bsouthga.github.io/d3-exploder/us.json", function(error, us) {
if (error) throw error;
g.selectAll("path")
.data(topojson.feature(us, us.objects.states).features)
.enter().append("path")
.attr("d", path)
.attr("class", "feature")
.on("click", clicked);
g.append("path")
.datum(topojson.mesh(us, us.objects.states, function(a, b) {
return a !== b;
}))
.attr("class", "mesh")
.attr("d", path);
var marks = [{
long: -75,
lat: 43
}, {
long: -78,
lat: 41
}];
g.selectAll(".mark")
.data(marks)
.enter()
.append("image")
.attr('class', 'mark')
.attr('width', 20)
.attr('height', 20)
.attr("xlink:href", 'https://cdn3.iconfinder.com/data/icons/softwaredemo/PNG/24x24/DrawingPin1_Blue.png')
.attr("transform", function(d) {
return "translate(" + projection([d.long, d.lat]) + ")";
});
});
function clicked(d) {
if (active.node() === this) return reset();
active.classed("active", false);
active = d3.select(this).classed("active", true);
var bounds = path.bounds(d),
dx = bounds[1][0] - bounds[0][0],
dy = bounds[1][1] - bounds[0][1],
x = (bounds[0][0] + bounds[1][0]) / 2,
y = (bounds[0][1] + bounds[1][1]) / 2,
scale = .9 / Math.max(dx / width, dy / height),
translate = [width / 2 - scale * x, height / 2 - scale * y];
g.transition()
.duration(750)
.style("stroke-width", 1.5 / scale + "px")
.attr("transform", "translate(" + translate + ")scale(" + scale + ")");
//this will move the markers
g.selectAll(".mark")
.transition()
.duration(750)
.attr("transform", function(d) {
var t = d3.transform(d3.select(this).attr("transform")).translate;
return "translate(" + t[0] +","+ t[1] + ")scale("+1/scale+")";
});
}
function reset() {
active.classed("active", false);
active = d3.select(null);
g.transition()
.duration(750)
.style("stroke-width", "1.5px")
.attr("transform", "");
g.selectAll(".mark")
.attr("transform", function(d) {
var t = d3.transform(d3.select(this).attr("transform")).translate;
console.log(t)
return "translate(" + t[0] +","+ t[1] + ")scale("+1+")";
});
}
</script>