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mugshepherd/index.html

Created June 5, 2016 00:20
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Madagascar
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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title></title>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/topojson.v1.min.js"></script>
<style>
svg {
border-style: solid;
border-width: 1px;
border-color: #ccc;
}
.admin0_poly{
fill: #ddd;
pointer-events: none;
}
.admin1_boundary{
fill: none;
stroke: #fff;
stroke-linejoin: round;
stroke-width: 1.5px;
pointer-events: none;
}
.admin2_boundary{
fill: none;
stroke: #fff;
stroke-linejoin: round;
stroke-width: 0.5px;
pointer-events: none;
}
.admin2_poly {
fill: #d0d0d0;
fill-opacity: .5;
}
.admin2_poly :hover {
fill: orange;
fill-opacity: .3;
-moz-transition: all 0.3s;
-o-transition: all 0.3s;
-webkit-transition: all 0.3s;
transition: all 0.3s;
}
.admin1_text {
fill: #777;
fill-opacity: .75;
font-size: 20px;
font-weight: 300;
text-anchor: middle;
pointer-events: none;
}
.city_point {
fill: red;
pointer-events: none;
}
.cities_text {
font-family: Helvetica;
font-weight: 300;
font-size: 14px;
pointer-events: none;
}
#tooltip {
border: .25px solid;
position: absolute;
z-index: 2;
background: white;
height:20px;
font-size: 14px;
padding: 5px;
top: -150px;
left: -150px;
font-family: "HelveticaNeue-Light", "Helvetica Neur Light", "Helvetica Neur", Helvetica, Arial, "Lucida Grande", sans-serif;
}
text {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
pointer-events: none;
}
</style>
</head>
<body>
<div id="map"></div>
<div id="tooltip"></div>
<script>
var height = 900;
var width = 600;
// (function(){
var projection = d3.geo.mercator();
var path = d3.geo.path().projection(projection);
var svg = d3.select("#map")
.append("svg")
.attr("width", width)
.attr("height", height)
//geoID is used for the click event
var geoID = function(d) {
return "c" + d.properties.ID_2;
};
var hover = function(d) {
// console.log('d', d, 'event', event);
var div = document.getElementById('tooltip');
div.style.left = event.pageX + 20 + 'px';
div.style.top = event.pageY + 'px';
div.innerHTML = d.properties.NAME_2;
}
//d3 call to json source data
d3.json('mdg-output.json', function(error, data){
if (error) return console.error(error);
//setting radius of city points
var radius = d3.scale.linear().domain([0,1000]).range([0,110]);
//click event for regions
var click = function(d) {
svg.selectAll("path")
.data(topojson.feature(data, data.objects.mdg_adm2).features)
.attr("fill-opacity", .5)
d3.select('#' + geoID(d))
.attr("fill-opacity", 1)
};
//set up scale and translate
var b, s, t;
projection.scale(1).translate([0,0]);
var b = path.bounds(topojson.feature(data, data.objects.mdg_adm1));
var s = .90 / Math.max((b[1][0] - b[0][0]) / width, (b[1][1] - b[0][1]) / height);
var t = [(width - s * (b[1][0] + b[0][0])) /2, (height - s * (b[1][1] + b[0][1])) /2 ];
projection.scale(s).translate(t);
//polygons, points and text
svg.append("g")
.attr("class", "admin2_poly")
.selectAll("path")
.data(topojson.feature(data, data.objects.mdg_adm2).features)
.enter().append("path")
.attr("d", path)
.attr("id", geoID)
.on("mouseover", hover)
.on("click", click)
svg.append("g")
.attr("class", "admin1_boundary")
.append("path")
.datum(topojson.mesh(data, data.objects.mdg_adm1, function(a,b) { return a !== b; }))
.attr("d", path);
svg.append("g")
.attr("class", "admin2_boundary")
.append("path")
.datum(topojson.mesh(data, data.objects.mdg_adm2, function(a,b) { return a !== b; }))
.attr("d", path);
svg.append("g")
.attr("class", "admin1_text")
.selectAll("text")
.data(topojson.feature(data, data.objects.mdg_adm1).features)
.enter().append("text")
.attr("dy", ".35em")
.attr("transform", function(d) { return "translate(" + path.centroid(d) + ")"; })
.text(function(d) {
return d.properties.NAME_1
});
svg.append("g")
.attr("class", "city_point")
.selectAll("circle")
.data(topojson.feature(data, data.objects.mdg_places).features)
.enter().append("circle")
// .attr("d", path)
.attr('cx', function(d) {return projection([d.geometry.coordinates[0], d.geometry.coordinates[1]])[0]})
.attr('cy', function(d) {return projection([d.geometry.coordinates[0], d.geometry.coordinates[1]])[1]})
.attr('r', function(d) {
return (radius(+d.properties.natscale))
})
svg.append("g")
.attr("class", "city_text")
.selectAll("text")
.data(topojson.feature(data, data.objects.mdg_places).features)
.enter().append("text")
.attr("dx", ".4em")
.attr("dy", ".35em")
.attr("transform", function(d) { return "translate(" + path.centroid(d) + ")"; })
.text(function(d) {
return d.properties.name
});
});
d3.select(self.frameElement).style("height", height + "px");
// })();
</script>
</body>
</html>
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mdg-output.json
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