initial commit
josch
10 years ago
commit
07f6cfaf37
@ -0,0 +1,129 @@
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var localSearch = new GlocalSearch();
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var routePoints = new Array(0);
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var routeMarkers = new Array(0);
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var lineWidth = 1;
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var lineColor = '#ff0066';
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var routePath;
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var map = new google.maps.Map(document.getElementById("map_canvas"), {
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zoom: 1,
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center: new google.maps.LatLng(0, 0),
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mapTypeId: google.maps.MapTypeId.ROADMAP,
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draggableCursor: 'crosshair',
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mapTypeControlOptions: {
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style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
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}
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});
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google.maps.event.addListener(map, 'click', function (event) {
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clickatpoint(event.latLng);
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});
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function clickatpoint(point) {
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routePoints.push(point);
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var marker = placeMarker(point, routePoints.length);
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routeMarkers.push(marker);
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if (!(routePath == undefined)) {
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routePath.setMap(null);
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}
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routePath = getRoutePath();
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routePath.setMap(map);
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updateDisplay();
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}
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function getRoutePath() {
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var routePath = new google.maps.Polyline({
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path: routePoints,
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strokeColor: lineColor,
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strokeOpacity: 1.0,
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strokeWeight: lineWidth,
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geodesic: true
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});
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return routePath;
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}
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function clearMap() {
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if (routeMarkers) {
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for (i in routeMarkers) {
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routeMarkers[i].setMap(null);
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}
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}
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routePoints = new Array(0);
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routeMarkers = new Array(0);
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if (!(routePath == undefined)) {
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routePath.setMap(null);
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}
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document.getElementById("distance").value = "0.000";
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}
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function ftn_quickfind(address) {
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localSearch.setSearchCompleteCallback(null, function () {
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if (localSearch.results[0]) {
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clickatpoint(new google.maps.LatLng(localSearch.results[0].lat,
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localSearch.results[0].lng));
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}
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});
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localSearch.execute(address);
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}
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function placeMarker(location, number) {
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var image = new google.maps.MarkerImage('http://www.daftlogic.com/images/gmmarkersv3/stripes.png', new google.maps.Size(20, 34), new google.maps.Point(0, 0), new google.maps.Point(9, 33));
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var shadow = new google.maps.MarkerImage('http://www.daftlogic.com/images/gmmarkersv3/shadow.png', new google.maps.Size(28, 22), new google.maps.Point(0, 0), new google.maps.Point(1, 22));
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var text = "(" + (number) + ")" + location;
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var marker = new google.maps.Marker({
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position: location,
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map: map,
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shadow: shadow,
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icon: image,
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title: text,
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draggable: true
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});
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google.maps.event.addListener(marker, 'dragend', function (event) {
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routePoints[number - 1] = event.latLng;
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routePath.setMap(null);
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routePath = getRoutePath();
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routePath.setMap(map);
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updateDisplay();
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});
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return marker;
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}
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function clearLastLeg() {
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if (routePoints.length < 2) return;
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routeMarkers[routeMarkers.length - 1].setMap(null);
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if (!(routePath == undefined)) {
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routePath.setMap(null);
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}
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routePoints.pop();
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routeMarkers.pop();
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routePath = getRoutePath();
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routePath.setMap(map);
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updateDisplay();
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}
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function greatcircle(lat1, lon1, lat2, lon2) {
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var ra = Math.PI / 180;
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var f = Math.cos(lat1 * ra) * Math.cos(lat2 * ra);
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f *= Math.pow(Math.sin((lon1 * ra - lon2 * ra) / 2), 2);
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f += Math.pow(Math.sin((lat1 * ra - lat2 * ra) / 2), 2);
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f = 6372802 * 2 * Math.asin(Math.sqrt(f)); // geometric mean
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// read: http://math.wikia.com/index.php?title=Elliptical_great-circle_radius_average
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// http://en.wikipedia.org/w/index.php?title=Talk:Earth/Archive_7&oldid=256964396#Mean_radius
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return f;
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}
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function updateDisplay() {
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var a = routePath.getPath(),
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len = a.getLength(),
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dist = 0;
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for (var i = 0; i < len - 1; i++) {
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var pos1 = a.getAt(i);
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var pos2 = a.getAt(i+1);
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dist += greatcircle(pos1.lat(), pos1.lng(), pos2.lat(), pos2.lng());
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}
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document.getElementById("distance").value = dist.toFixed();
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}
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function submitenter(myfield, e) {
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var keycode;
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if (window.event) keycode = window.event.keyCode;
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else if (e) keycode = e.which;
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else return true;
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if (keycode == 13) {
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ftn_quickfind(myfield.value);
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return false;
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} else {
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return true;
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}
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}
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@ -0,0 +1,26 @@
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<html>
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<head>
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<meta http-equiv=content-type content="text/html; charset=UTF-8" />
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<title>Google Maps Distance Calculator</title>
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</head>
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<body>
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<center>
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<h1>Google Maps Distance Calculator</h1>
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Search For Location : <input name="goto" id="goto" type="text" onKeyPress="return submitenter(this,event);"/>
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<div id="map_canvas" style="width: 95%; height: 800px"></div>
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<p>Total Distance <input style="display: inline;" id="distance" type="text" size="12" value="0.000"/> meters</p>
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<p>
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<input class="custombutton" type="button" value="Clear Last Point" onclick="clearLastLeg();"/>
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<input class="custombutton" type="button" value="Clear All" onclick="clearMap();"/>
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</p>
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</center>
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<script type="text/javascript" src="http://www.google.com/uds/api?file=uds.js&v=1.0"></script>
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<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=true"></script>
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<script type="text/javascript" src="distance.js"></script>
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</body>
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</html>
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@ -0,0 +1,81 @@
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sodipodi:docname="pin.svg"
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inkscape:export-filename="/home/josch/globaldistance/pin.png"
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After Width: | Height: | Size: 5.5 KiB |
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