block by almccon c7ed1b278216fef4f38b68db591590d9

D3 + Leaflet (fork mbostock)

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forked from ZJONSSON‘s block: D3 + Leaflet (fork mbostock)

index.html

<!DOCTYPE html>
<title>D3 + Leaflet (fork from bost.ocks.org/mike/leaflet/)</title>
<style>
  #map { width: 960px; height: 500px;}
  path { fill: #000; fill-opacity: .2; stroke: #fff; stroke-width: 1.5px;}
  path:hover { fill: brown;fill-opacity: .7;}
</style>
<p id="map"><p>
<script src="//d3js.org/d3.v2.min.js?2.9.3"></script>
<script src="leaflet.js"></script>
<link rel="stylesheet" href="leaflet.css" />
<script>
var map = new L.Map("map")
    .setView(new L.LatLng(37.8, -96.9), 4)
    .addLayer(new L.TileLayer("//{s}.tile.stamen.com/toner/{z}/{x}/{y}.png"))

/* Initialize the SVG layer */
map._initPathRoot()     

/* We simply pick up the SVG from the map object */
var svg = d3.select("#map").select("svg"),
    g = svg.append("g");

/* Define the d3 projection */
var path = d3.geo.path().projection(function project(x) {
    var point = map.latLngToLayerPoint(new L.LatLng(x[1], x[0]));
    return [point.x, point.y];
  });

/* Load and project/redraw on zoom */
d3.json("us-states.json", function(collection) {
  var feature = g.selectAll("path")
      .data(collection.features)
    .enter().append("path")
    .attr("d", path);

  map.on("viewreset", function reset() {
    feature.attr("d",path)
  })
});
</script>

leaflet.css

/* required styles */

.leaflet-map-pane,
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-tile-pane,
.leaflet-overlay-pane,
.leaflet-shadow-pane,
.leaflet-marker-pane,
.leaflet-popup-pane,
.leaflet-overlay-pane svg,
.leaflet-zoom-box,
.leaflet-image-layer { /* TODO optimize classes */
	position: absolute;
	}
.leaflet-container {
	overflow: hidden;
	}
.leaflet-tile-pane, .leaflet-container {
	-webkit-transform: translate3d(0,0,0);
	}
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow {
	-moz-user-select: none;
	-webkit-user-select: none;
	user-select: none;
	}
.leaflet-marker-icon,
.leaflet-marker-shadow {
	display: block;
	}
.leaflet-clickable {
	cursor: pointer;
	}
.leaflet-container img {
	max-width: none !important;
	}

.leaflet-tile-pane { z-index: 2; }

.leaflet-objects-pane { z-index: 3; }
.leaflet-overlay-pane { z-index: 4; }
.leaflet-shadow-pane { z-index: 5; }
.leaflet-marker-pane { z-index: 6; }
.leaflet-popup-pane { z-index: 7; }

.leaflet-zoom-box {
	width: 0;
	height: 0;
	}

.leaflet-tile {
	visibility: hidden;
	}
.leaflet-tile-loaded {
	visibility: inherit;
	}

a.leaflet-active {
	outline: 2px solid orange;
	}


/* Leaflet controls */

.leaflet-control {
	position: relative;
	z-index: 7;
	}
.leaflet-top,
.leaflet-bottom {
	position: absolute;
	}
.leaflet-top {
	top: 0;
	}
.leaflet-right {
	right: 0;
	}
.leaflet-bottom {
	bottom: 0;
	}
.leaflet-left {
	left: 0;
	}
.leaflet-control {
	float: left;
	clear: both;
	}
.leaflet-right .leaflet-control {
	float: right;
	}
.leaflet-top .leaflet-control {
	margin-top: 10px;
	}
.leaflet-bottom .leaflet-control {
	margin-bottom: 10px;
	}
.leaflet-left .leaflet-control {
	margin-left: 10px;
	}
.leaflet-right .leaflet-control {
	margin-right: 10px;
	}

.leaflet-control-zoom, .leaflet-control-layers {
	-moz-border-radius: 7px;
	-webkit-border-radius: 7px;
	border-radius: 7px;
	}
.leaflet-control-zoom {
	padding: 5px;
	background: rgba(0, 0, 0, 0.25);
	}
.leaflet-control-zoom a {
	background-color: rgba(255, 255, 255, 0.75);
	}
.leaflet-control-zoom a, .leaflet-control-layers a {
	background-position: 50% 50%;
	background-repeat: no-repeat;
	display: block;
	}
.leaflet-control-zoom a {
	-moz-border-radius: 4px;
	-webkit-border-radius: 4px;
	border-radius: 4px;
	width: 19px;
	height: 19px;
	}
.leaflet-control-zoom a:hover {
	background-color: #fff;
	}
.leaflet-big-buttons .leaflet-control-zoom a {
	width: 27px;
	height: 27px;
	}
.leaflet-control-zoom-in {
	background-image: url(images/zoom-in.png);
	margin-bottom: 5px;
	}
.leaflet-control-zoom-out {
	background-image: url(images/zoom-out.png);
	}

.leaflet-control-layers {
	-moz-box-shadow: 0 0 7px #999;
	-webkit-box-shadow: 0 0 7px #999;
	box-shadow: 0 0 7px #999;

	background: #f8f8f9;
	}
.leaflet-control-layers a {
	background-image: url(images/layers.png);
	width: 36px;
	height: 36px;
	}
.leaflet-big-buttons .leaflet-control-layers a {
	width: 44px;
	height: 44px;
	}
.leaflet-control-layers .leaflet-control-layers-list,
.leaflet-control-layers-expanded .leaflet-control-layers-toggle {
	display: none;
	}
.leaflet-control-layers-expanded .leaflet-control-layers-list {
	display: block;
	position: relative;
	}
.leaflet-control-layers-expanded {
	padding: 6px 10px 6px 6px;
	font: 12px/1.5 "Helvetica Neue", Arial, Helvetica, sans-serif;
	color: #333;
	background: #fff;
	}
.leaflet-control-layers input {
	margin-top: 2px;
	position: relative;
	top: 1px;
	}
.leaflet-control-layers label {
	display: block;
	}
.leaflet-control-layers-separator {
	height: 0;
	border-top: 1px solid #ddd;
	margin: 5px -10px 5px -6px;
	}

.leaflet-container .leaflet-control-attribution {
	margin: 0;
	padding: 0 5px;

	font: 11px/1.5 "Helvetica Neue", Arial, Helvetica, sans-serif;
	color: #333;

	background-color: rgba(255, 255, 255, 0.7);

	-moz-box-shadow: 0 0 7px #ccc;
	-webkit-box-shadow: 0 0 7px #ccc;
	box-shadow: 0 0 7px #ccc;
	}


/* Fade animations */

.leaflet-fade-anim .leaflet-tile {
	opacity: 0;

	-webkit-transition: opacity 0.2s linear;
	-moz-transition: opacity 0.2s linear;
	-o-transition: opacity 0.2s linear;
	transition: opacity 0.2s linear;
	}
.leaflet-fade-anim .leaflet-tile-loaded {
	opacity: 1;
	}

.leaflet-fade-anim .leaflet-popup {
	opacity: 0;

	-webkit-transition: opacity 0.2s linear;
	-moz-transition: opacity 0.2s linear;
	-o-transition: opacity 0.2s linear;
	transition: opacity 0.2s linear;
	}
.leaflet-fade-anim .leaflet-map-pane .leaflet-popup {
	opacity: 1;
	}

.leaflet-zoom-anim .leaflet-tile {
	-webkit-transition: none;
	-moz-transition: none;
	-o-transition: none;
	transition: none;
	}

.leaflet-zoom-anim .leaflet-objects-pane {
	visibility: hidden;
	}


/* Popup layout */

.leaflet-popup {
	position: absolute;
	text-align: center;
	-webkit-transform: translate3d(0,0,0);
	}
.leaflet-popup-content-wrapper {
	padding: 1px;
	text-align: left;
	}
.leaflet-popup-content {
	margin: 19px;
	}
.leaflet-popup-tip-container {
	margin: 0 auto;
	width: 40px;
	height: 16px;
	position: relative;
	overflow: hidden;
	}
.leaflet-popup-tip {
	width: 15px;
	height: 15px;
	padding: 1px;

	margin: -8px auto 0;

	-moz-transform: rotate(45deg);
	-webkit-transform: rotate(45deg);
	-ms-transform: rotate(45deg);
	-o-transform: rotate(45deg);
	transform: rotate(45deg);
	}
.leaflet-popup-close-button {
	position: absolute;
	top: 9px;
	right: 9px;

	width: 10px;
	height: 10px;

	overflow: hidden;
	}
.leaflet-popup-content p {
	margin: 18px 0;
	}


/* Visual appearance */

.leaflet-container {
	background: #ddd;
	}
.leaflet-container a {
	color: #0078A8;
	}
.leaflet-zoom-box {
	border: 2px dotted #05f;
	background: white;
	opacity: 0.5;
	}
.leaflet-popup-content-wrapper, .leaflet-popup-tip {
	background: white;

	box-shadow: 0 1px 10px #888;
	-moz-box-shadow: 0 1px 10px #888;
	 -webkit-box-shadow: 0 1px 14px #999;
	}
.leaflet-popup-content-wrapper {
	-moz-border-radius: 20px;
	-webkit-border-radius: 20px;
	border-radius: 20px;
	}
.leaflet-popup-content {
	font: 12px/1.4 "Helvetica Neue", Arial, Helvetica, sans-serif;
	}
.leaflet-popup-close-button {
	background: white url(images/popup-close.png);
	}