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71 changes: 71 additions & 0 deletions examples/bing-ssl/map.js
Original file line number Diff line number Diff line change
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var po = org.polymaps;

var div = document.getElementById("map");

var map = po.map()
.container(div.appendChild(po.svg("svg")))
.add(po.interact())
.add(po.hash());

/*
* Load the "AerialWithLabels" metadata. "Aerial" and "Road" also work. For more
* information about the Imagery Metadata service, see
* http://msdn.microsoft.com/en-us/library/ff701716.aspx
* You should register for your own key at https://www.bingmapsportal.com/.
*/
var script = document.createElement("script");
script.setAttribute("type", "text/javascript");
script.setAttribute("src", "https://dev.virtualearth.net"
+ "/REST/V1/Imagery/Metadata/Road"
+ "?key=AmT-ZC3HPevQq5IBJ7v8qiDUxrojNaqbW1zBsKF0oMNEs53p7Nk5RlAuAmwSG7bg"
+ "&jsonp=callback");
document.body.appendChild(script);

function callback(data) {

/* Display each resource as an image layer. */
var resourceSets = data.resourceSets;
for (var i = 0; i < resourceSets.length; i++) {
var resources = data.resourceSets[i].resources;
for (var j = 0; j < resources.length; j++) {
var resource = resources[j];
map.add(po.image()
.url(template(resource.imageUrl.replace(/^http:/, "https:"), resource.imageUrlSubdomains)))
.tileSize({x: resource.imageWidth, y: resource.imageHeight});
}
}

/* Display brand logo. */
document.getElementById("logo").src = data.brandLogoUri;

/* Display copyright notice. */
document.getElementById("copy").appendChild(document.createTextNode(data.copyright));

/* Display compass control. */
map.add(po.compass()
.pan("none"));

}

/** Returns a Bing URL template given a string and a list of subdomains. */
function template(url, subdomains) {
var n = subdomains.length,
salt = ~~(Math.random() * n); // per-session salt

/** Returns the given coordinate formatted as a 'quadkey'. */
function quad(column, row, zoom) {
var key = "";
for (var i = 1; i <= zoom; i++) {
key += (((row >> zoom - i) & 1) << 1) | ((column >> zoom - i) & 1);
}
return key;
}

return function(c) {
var quadKey = quad(c.column, c.row, c.zoom),
server = Math.abs(salt + c.column + c.row + c.zoom) % n;
return url
.replace("{quadkey}", quadKey)
.replace("{subdomain}", subdomains[server]);
};
}