-
-
Save michellechandra/2f4d6f2c0812810093a3 to your computer and use it in GitHub Desktop.
CitiBike Visualization - D3/Leaflet/Stamen Map Tiles
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<title>Leaflet and D3 Map</title> | |
<script src="http://cdn.leafletjs.com/leaflet-0.7/leaflet.js"></script> | |
<script src="http://code.jquery.com/jquery-latest.js"></script> | |
<script type="text/javascript" src="http://maps.stamen.com/js/tile.stamen.js?v1.3.0"></script> | |
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7/leaflet.css"/> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<style type="text/css"> | |
#map { | |
width: 960px; | |
height: 800px; | |
} | |
.line { | |
fill: none; | |
stroke: rgb(217,91,67); | |
stroke-width: 2px; | |
stroke-opacity:0.95; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="map"></div> | |
<script> | |
// Store Stamen Map tiles as a new layer | |
var layer = new L.StamenTileLayer("toner"); | |
// Declare a new Leaflet Map, setView and Zoom Level | |
var map = new L.Map("map", { | |
center: new L.LatLng(40.739, -73.986), | |
zoom: 13, | |
}); | |
map.addLayer(layer); // add Stamen Tile Layer to leaflet Map | |
// Add an SVG element to Leaflet’s overlay pane | |
var svg = d3.select(map.getPanes().overlayPane) | |
.append("svg"); | |
var g = svg.append("g").attr("class", "leaflet-zoom-hide"); | |
d3.json("linetwo.json", function(geoShape) { | |
//create a d3,geo.path to convert GeoJSON to SVG | |
var transform = d3.geo.transform({point: projectPoint}), | |
path = d3.geo.path().projection(transform); | |
// debugger; | |
// create path elements for each of the features | |
d3_features = g.selectAll("path") | |
.data(geoShape.features) | |
.enter().append("path"); | |
map.on("viewreset", reset); | |
reset(); | |
// fit the SVG element to leaflet's map layer | |
function reset() { | |
bounds = path.bounds(geoShape); | |
var topLeft = bounds[0], | |
bottomRight = bounds[1]; | |
svg .attr("width", bottomRight[0] - topLeft[0]) | |
.attr("height", bottomRight[1] - topLeft[1]) | |
.style("left", topLeft[0] + "px") | |
.style("top", topLeft[1] + "px"); | |
g .attr("transform", "translate(" + -topLeft[0] + "," | |
+ -topLeft[1] + ")"); | |
// initialize the path data | |
d3_features.attr("d", path) | |
.attr('class', 'line'); | |
} | |
// Use Leaflet to implement a D3 geometric transformation. | |
function projectPoint(x, y) { | |
var point = map.latLngToLayerPoint(new L.LatLng(y, x)); | |
this.stream.point(point.x, point.y); | |
} | |
}) | |
</script> | |
</body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ "type": "FeatureCollection", | |
"features": [{ "type": "Feature", | |
"properties": { | |
"name": "po", | |
"popupContent": "yo" | |
}, | |
"geometry": { "type": "LineString", | |
"coordinates": [ | |
[ -73.99510132 , 40.73331967], | |
[ -73.98776323, 40.71269042], | |
[ -73.99415556, 40.74173969], | |
[ -74.00197139, 40.7454973], | |
[ -73.9659641, 40.68317813], | |
[ -73.95881081, 40.6845683], | |
[ -73.97895137, 40.68312489], | |
[ -74.00681753, 40.74334935], | |
[ -73.984844, 40.713126], | |
[ -74.013942, 40.701907], | |
[ -73.99682619, 40.71117444], | |
[ -73.981346, 40.714215], | |
[ -73.97772429, 40.72938685], | |
[ -73.99720307, 40.7218158], | |
[ -73.99404649, 40.72903917], | |
[ -74.00443172, 40.74206539], | |
[ -73.99915362, 40.74475148], | |
[ -73.97371465, 40.7643971], | |
[ -74.00711384, 40.73291553], | |
[ -73.98978041, 40.7262807], | |
[ -73.99695094, 40.72679454], | |
[ -73.99069656, 40.72502876], | |
[ -73.99695094, 40.72679454], | |
[ -74.00618026, 40.73652889], | |
[ -73.99915362, 40.74475148], | |
[ -74.00483091, 40.73535398], | |
[ -73.99726235, 40.74238787] | |
] | |
} | |
}] | |
} | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment