<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>GMaps.js — Elevation Routes</title>
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<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
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<script type="text/javascript" src="http://www.google.com/jsapi"></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="../gmaps.js"></script>
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<link rel="stylesheet" href="http://twitter.github.com/bootstrap/1.3.0/bootstrap.min.css" />
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<link rel="stylesheet" type="text/css" href="examples.css" />
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<script type="text/javascript">
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var map;
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var mousemarker = null;
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// Load the Visualization API and the piechart package.
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google.load("visualization", "1", {packages: ["columnchart"]});
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$(document).ready(function(){
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map = new GMaps({
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el: '#map',
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lat: -12.043333,
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lng: -77.028333,
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zoom: 12
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});
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//load google visualization chart
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chart = new google.visualization.ColumnChart(document.getElementById('chart_div'));
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var polygone = map.drawRoute({
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origin: [-12.044012922866312, -77.02470665341184],
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destination: [-12.090814532191756, -77.02271108990476],
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travelMode: 'walking',
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strokeColor: '#131540',
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strokeOpacity: 0.6,
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strokeWeight: 6,
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callback : function(polygones){
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//elevation for the path
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map.getElevations({
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locations : polygones.overview_path,
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path: true,
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callback : function (result, status){
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if (status == google.maps.ElevationStatus.OK) {
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var elevations = result;
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//set the google visualization
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var data = new google.visualization.DataTable();
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data.addColumn('string', 'Sample');
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data.addColumn('number', 'Elevation');
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for (var i = 0; i < result.length; i++) {
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data.addRow(['', elevations[i].elevation]);
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}
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//add to the dom
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document.getElementById('chart_div').style.display = 'block';
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chart.draw(data, {
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width: 340,
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height: 200,
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legend: 'none',
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titleY: 'Elevation (m)',
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focusBorderColor: '#00ff00'
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});
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//add mouseover
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google.visualization.events.addListener(chart, 'onmouseover', function(e) {
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if (mousemarker == null) {
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mousemarker = map.addMarker({
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lat: elevations[e.row].location.lat(),
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lng: elevations[e.row].location.lng()
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});
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} else {
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mousemarker.setPosition(elevations[e.row].location);
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}
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});
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}
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}
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});
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}
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});
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});
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</script>
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</head>
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<body>
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<h1>GMaps.js — Elevation Routes</h1>
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<div class="row">
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<div class="span11">
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<div id="map"></div>
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</div>
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<div class="span6">
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<p>With GMaps.js you can calculate the elevation for a route like this:</p>
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<pre>map.getElevations({
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locations : [[-12.040397656836609,-77.03373871559225], [-12.040248585302038,-77.03993927003302], [-12.050047116528843,-77.02448169303511], [-12.044804866577001,-77.02154422636042]],
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path: true,
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callback : function (result, status){
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if (status == google.maps.ElevationStatus.OK) {
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console.log(result, status);
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}
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}
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});</pre>
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<div id="chart_div"></div>
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</div>
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</div>
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</body>
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</html>
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