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@Andrew-Reid
Created February 25, 2017 06:28
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Add Detail on Click
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<style>
svg {
background: #9ecae1;
opacity: 0.5;
}
.boundary {
fill:none;
stroke: white;
stroke-width: 0.5px;
}
.land {
fill: #41ab5d;
opacity: 0.5;
}
.area {
fill: lightgreen;
opacity: 1;
stroke: darkgreen;
stroke-width: 0.5px;
}
.primary-city{
fill: black;
stroke:black;
opacity: 1;
}
.seconary-city{
fill: black;
stroke: black;
}
</style>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/d3-geo-projection.v1.min.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
</head>
<body>
<script type="text/javascript">
var width = 960,
height = 500;
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var projection = d3.geoAlbers()
.rotate([-36,0])
.center([0,31.25])
.scale(6500)
.translate([width/2,height/2])
;
var path = d3.geoPath().projection(projection);
var g1 = svg.append("g");
var g2 = svg.append('g');
d3.json("world.json", function(error, world) {
var land = g1.insert("path", ".land")
.datum(topojson.feature(world, world.objects.land))
.attr("class", "land")
.attr("d", path);
g1.insert("path", ".boundary")
.datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
.attr("class", "boundary")
.attr("d", path);
});
d3.json("jordan.json", function(error, jordan) {
var areas = g2.selectAll('.area')
.data(jordan.features)
.enter()
.append('path')
.attr('class','area')
.attr('d',path)
.on('click',click);
// Draw primary city labels:
g2.selectAll(".primary-city")
.data(jordan.features)
.enter()
.filter(function(d) { return d.properties.name_1 == d.properties.name_2 })
.append("text")
.attr("class", "primary-city")
.attr("transform", function(d) { return 'translate('+path.centroid(d)+')'; })
.attr('y',-10)
.attr('text-anchor', 'middle')
.text (function (d) { console.log(d); return d.properties.name_2; });
g2.selectAll(".secondary-city")
.data(jordan.features)
.enter()
.filter(function(d) { return d.properties.name_1 != d.properties.name_2 })
.append("text")
.attr("class", "secondary-city")
.attr("transform", function(d) { return 'translate('+path.centroid(d)+')'; })
.attr('y',-10)
.attr('opacity',0)
.attr('pointer-events','none')
.attr('text-anchor', 'middle')
.text (function (d) { console.log(d); return d.properties.name_2; });
});
var clicked = false;
function click() {
clicked = !clicked;
if (clicked == true) {
g2.selectAll(".secondary-city")
.transition()
.attr('opacity',1)
.duration(400);
}
else {
g2.selectAll(".secondary-city")
.transition()
.attr('opacity',0)
.duration(400);
}
}
</script>
</body>
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