Created
January 16, 2011 02:44
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> | |
<style type="text/css"> | |
html { height: 100% } | |
body { height: 100%; margin: 0px; padding: 0px } | |
#map_canvas { height: 100% } | |
</style> | |
<script type="text/javascript" | |
src="http://maps.google.com/maps/api/js?sensor=false"> | |
</script> | |
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> | |
<script type="text/javascript"> | |
function initialize() { | |
var latlng = new google.maps.LatLng(37.7166, -122.283); | |
var zoom = 9; | |
var myOptions = { | |
zoom: zoom, | |
center: latlng, | |
mapTypeId: google.maps.MapTypeId.ROADMAP | |
}; | |
var map = new google.maps.Map(document.getElementById("map_canvas"), | |
myOptions); | |
var move = function(data) { | |
// console.log("got data: " + data.x + "," + data.y + ", " + data.z); | |
if (data.z > 0.3 && data.z < 0.7) { | |
// pan mode | |
var zoomMultiplier = 200 * Math.exp(-.7820260166 * zoom); | |
var up = data.y < 0.0; | |
var down = data.y > 0.8; | |
var left = data.x < 0; | |
var right = data.x > 0.5; | |
var lat = latlng.lat(); | |
var lng = latlng.lng(); | |
if (up) { | |
lat += zoomMultiplier; | |
} | |
if (down) { | |
lat -= zoomMultiplier; | |
} | |
if (left) { | |
lng -= zoomMultiplier; | |
} | |
if (right) { | |
lng += zoomMultiplier; | |
} | |
latlng = new google.maps.LatLng(lat, lng); | |
map.panTo(latlng); | |
} else { | |
// zoom mode | |
if (data.z > 0.7) { | |
zoom -= 0.1; | |
} else { | |
zoom += 0.1; | |
} | |
if (zoom > 20) zoom = 20; | |
if (zoom < 4) zoom = 4; | |
map.setZoom(Math.round(zoom)); | |
} | |
} | |
initDepthJs(move); | |
} | |
function initDepthJs(move) { | |
var $DepthJS_eventPort = $("#DepthJS_eventPort"); | |
var eventHandler = function(callback) { | |
return function() { | |
var jsonRep = $DepthJS_eventPort.text(); | |
var msg = JSON.parse(jsonRep); | |
callback(msg.data); | |
}; | |
}; | |
if ($DepthJS_eventPort.length > 0) { | |
console.log("Binding to eventPort"); | |
setInterval(eventHandler(move), 100); | |
// $DepthJS_eventPort.bind("Move", eventHandler(move)); | |
} else { | |
// This is created on document_end, so it may/may not be avail the first time | |
setTimeout(initDepthJs(move), 100); | |
} | |
} | |
</script> | |
</head> | |
<body onload="initialize()"> | |
<div id="map_canvas" style="width:100%; height:100%"></div> | |
</body> | |
</html> |
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