Skip to content

Instantly share code, notes, and snippets.

Last active August 1, 2016 02:02
What would you like to do?
TopoJSON Points
license: gpl-3.0

This example demonstrates encoding a MultiPoint geometry object using TopoJSON.

Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
<!DOCTYPE html>
<meta charset="utf-8">
path {
stroke-linejoin: round;
.land {
fill: #ddd;
.states {
fill: none;
stroke: #fff;
<script src="//"></script>
<script src="//"></script>
<script src="//"></script>
var width = 960,
height = 500;
var projection = d3.geo.albers();
var path = d3.geo.path()
var svg ="body").append("svg")
.attr("width", width)
.attr("height", height);
.defer(d3.json, "/mbostock/raw/4090846/us.json")
.defer(d3.json, "airports.json")
function ready(error, us, airports) {
if (error) throw error;
.attr("class", "land")
.attr("d", path);
.datum(topojson.mesh(us, us.objects.states, function(a, b) { return a !== b; }))
.attr("class", "states")
.attr("d", path);
.datum(topojson.feature(airports, airports.objects.airports))
.attr("class", "points")
.attr("d", path);
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment