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mmmaaatttttt/app.js

Created August 25, 2017 21:06
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Basic SF Map
Raw
app.js
d3.json("./sf_zips.json", function(err, data) {
// data - TOPOJSON
// mapData - GEOJSON
var width = 600;
var height = 600;
var svg = d3.select('svg')
.attr('width', width)
.attr('height', height);
var mapData = topojson.feature(data, data.objects.zip_codes_for_the_usa).features;
var projection = d3.geoMercator()
.scale(2500)
.translate([0, height]);
var path = d3.geoPath().projection(projection);
svg
.selectAll("path")
.data(mapData)
.enter()
.append("path")
.attr("d", path)
.attr("fill", "red")
.attr("stroke", "black");
});
Raw
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>D3 Maps</title>
<style>
svg {
margin: 0 auto;
display: block;
}
</style>
</head>
<body>
<svg></svg>
<script src="https://d3js.org/d3.v4.js"></script>
<script src="https://unpkg.com/topojson@3"></script>
<script src="app.js"></script>
</body>
</html>
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sf_zips.json
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