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Created June 25, 2012 22:23
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D3 + ModestMaps
<!DOCTYPE html>
<style type="text/css">
#map {
width: 1000px;
height: 600px;
path {
fill: #000;
fill-opacity: .2;
stroke: #fff;
stroke-width: 1.5px;
<script type="text/javascript" src=""></script>
<script type="text/javascript" src=""></script>
<div id="map"></div>
<script type="text/javascript">
var MM=com.modestmaps;
var template = "http://{S}{Z}/{X}/{Y}.png";
var provider = new MM.TemplatedLayer(template, ['a', 'b', 'c', 'd']);
var map = new MM.Map("map", provider);
map.setCenterZoom(new MM.Location(37.8, -96.9), 4);
var svg ="#map").append("svg"),
g = svg.append("g");"position", "absolute");
var project = function(x) {
var point = map.locationPoint(new MM.Location(x[1], x[0]));
return [point.x, point.y];
d3.json("us-states.json", function(collection) {
var bounds = d3.geo.bounds(collection),
path = d3.geo.path().projection(project);
var feature = g.selectAll("path")
var reset = function(m) {
var bottomLeft = project(bounds[0]),
topRight = project(bounds[1]);
svg .attr("width", topRight[0] - bottomLeft[0])
.attr("height", bottomLeft[1] - topRight[1])
.style("margin-left", bottomLeft[0] + "px")
.style("margin-top", topRight[1] + "px");
g .attr("transform", "translate(" + -bottomLeft[0] + "," + -topRight[1] + ")");
feature.attr("d", path);
map.addCallback("drawn", reset);
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