Skip to content

Instantly share code, notes, and snippets.

@gijs
Forked from pere/index.html
Created July 4, 2012 16:56
Show Gist options
  • Save gijs/3048323 to your computer and use it in GitHub Desktop.
Save gijs/3048323 to your computer and use it in GitHub Desktop.
d3.js circles in leaflet.js
<html>
<head>
<title>Testing d3.js in Leaflet.js</title>
<link rel="stylesheet" href="leaflet.css" />
<script type="text/javascript" src="http://d3js.org/d3.v2.min.js?2.9.3"></script>
<script src="http://code.leafletjs.com/leaflet-0.3.1/leaflet.js"></script>
<style type="text/css">
path
{
fill: #E02A2A;
stroke: #fff;
}
</style>
</head>
<body>
<div id="map" style="width: 600px; height: 600px;position:relative"></div>
<script type="text/javascript">
var cloudmadeUrl = 'http://{s}.tile.cloudmade.com/BC9A493B41014CAABB98F0471D759707/997/256/{z}/{x}/{y}.png',
cloudmadeAttribution = 'Map data &copy; 2011 OpenStreetMap contributors, Imagery &copy; 2011 CloudMade',
cloudmade = new L.TileLayer(cloudmadeUrl, {maxZoom: 18, attribution: cloudmadeAttribution});
var map = new L.Map('map', {
center: new L.LatLng( 47.0176,2.3427,6),
zoom: 5,
layers: [cloudmade]
});
var svg = d3.select(map.getPanes().overlayPane).append("svg"),
g = svg.append("g");
d3.json("testing.json", function(collection) {
var bounds = d3.geo.bounds(collection),
path = d3.geo.path().projection(project).pointRadius(function (d) {return d.properties.count/50});
console.warn(path)
var feature = g.selectAll("path")
.data(collection.features)
.enter().append("path");
map.on("viewreset", reset);
reset();
// Reposition the SVG to cover the features.
function reset() {
console.warn(bounds)
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").attr("transform", "translate(" + -bottomLeft[0] + "," + -topRight[1] + ")");
g .attr("transform", "translate(" + -bottomLeft[0] + "," + -topRight[1] + ")");
feature.attr("d", path)
}
// Use Leaflet to implement a D3 geographic projection.
function project(x) {
var point = map.latLngToLayerPoint(new L.LatLng(x[1], x[0]));
return [point.x, point.y];
}
})
</script>
</body>
</html>
/* 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 {
-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;
// stroke: red;
}
.leaflet-container img {
max-width: auto;
}
.leaflet-tile-pane { z-index: 2; }
.leaflet-overlay-pane { z-index: 3; }
.leaflet-shadow-pane { z-index: 4; }
.leaflet-marker-pane { z-index: 5; }
.leaflet-popup-pane { z-index: 6; }
.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 {
padding: 5px;
background: rgba(0, 0, 0, 0.25);
-moz-border-radius: 7px;
-webkit-border-radius: 7px;
border-radius: 7px;
}
.leaflet-control-zoom a {
display: block;
width: 19px;
height: 19px;
background-position: 50% 50%;
background-repeat: no-repeat;
background-color: rgba(255, 255, 255, 0.75);
-moz-border-radius: 4px;
-webkit-border-radius: 4px;
border-radius: 4px;
}
.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-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);
}
Display the source blob
Display the rendered blob
Raw
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment