Built with blockbuilder.org
forked from anonymous's block: fresh block
forked from EvertLagerberg's block: Brazil
license: mit |
Built with blockbuilder.org
forked from anonymous's block: fresh block
forked from EvertLagerberg's block: Brazil
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.feature { | |
fill: #ccc; | |
} | |
.mesh { | |
fill: none; | |
stroke: #fff; | |
stroke-width: .5px; | |
stroke-linejoin: round; | |
} | |
.outline { | |
fill: #ddd; | |
stroke: #000; | |
stroke-width: 1.5px; | |
} | |
svg { | |
border:1px solid black | |
} | |
</style> | |
<body> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script src="//d3js.org/topojson.v1.min.js"></script> | |
<script> | |
var width = 300, | |
height = 300; | |
var projection = d3.geo.mercator(); | |
var path = d3.geo.path() | |
.projection(projection); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
d3.json("brazil.json", function(error, us) { | |
if (error) throw error; | |
var state = topojson.feature(us, us.objects.subunits); | |
//state = states.features.filter(function(d) { return d.id === 34; })[0]; | |
console.log(projection); | |
projection | |
.scale(1) | |
.translate([0, 0]); | |
var b = path.bounds(state) | |
b.s = b[0][1]; | |
b.n = b[1][1]; | |
b.w = b[0][0]; | |
b.e = b[1][0]; | |
b.height = Math.abs(b.n - b.s); | |
b.width = Math.abs(b.e - b.w); | |
s = .9 / Math.max(b.width / width, (b.height / height)); | |
t = [(width - s * (b.e + b.w)) / 2, (height - s * (b.n + b.s)) / 2]; | |
projection | |
.scale(s) | |
.translate(t); | |
svg.append("path") | |
.datum(topojson.mesh(us, us.objects.subunits, function(a, b) { return a !== b; })) | |
.attr("class", "mesh") | |
.attr("d", path); | |
svg.append("path") | |
.datum(state) | |
.attr("class", "outline") | |
.attr("d", path); | |
}); | |
</script> |