Coordinates

A set of properties that describe the geographic coordinates of a position.

Properties

  • latitude: Latitude in decimal degrees. (Number)
  • longitude: Longitude in decimal degrees. (Number)
  • altitude: Height of the position in meters above the ellipsoid. (Number)
  • accuracy: Accuracy level of the latitude and longitude coordinates in meters. (Number)
  • altitudeAccuracy: Accuracy level of the altitude coordinate in meters. (Number)
  • heading: Direction of travel, specified in degrees counting clockwise relative to the true north. (Number)
  • speed: Current ground speed of the device, specified in meters per second. (Number)

Description

The Coordinates object is created and populated by Cordova, and attached to the [Position](../Position/position.html) object. The [Position](../Position/position.html) object is then returned to the user through a callback function.

Supported Platforms

  • Android
  • BlackBerry WebWorks (OS 5.0 and higher)
  • iOS
  • Windows Phone 7 ( Mango )
  • Bada 1.2 & 2.x
  • webOS

Quick Example

// onSuccess Callback
//
var onSuccess = function(position) {
    alert('Latitude: '          + position.coords.latitude          + '\n' +
          'Longitude: '         + position.coords.longitude         + '\n' +
          'Altitude: '          + position.coords.altitude          + '\n' +
          'Accuracy: '          + position.coords.accuracy          + '\n' +
          'Altitude Accuracy: ' + position.coords.altitudeAccuracy  + '\n' +
          'Heading: '           + position.coords.heading           + '\n' +
          'Speed: '             + position.coords.speed             + '\n' +
          'Timestamp: '         + position.timestamp                + '\n');
};

// onError Callback
//
var onError = function() {
    alert('onError!');
};

navigator.geolocation.getCurrentPosition(onSuccess, onError);

Full Example

<!DOCTYPE html>
<html>
  <head>
    <title>Geolocation Position Example</title>
    <script type="text/javascript" charset="utf-8" src="cordova-1.9.0.js"></script>
    <script type="text/javascript" charset="utf-8">

    // Set an event to wait for Cordova to load
    //
    document.addEventListener("deviceready", onDeviceReady, false);

    // Cordova is loaded and Ready
    //
    function onDeviceReady() {
        navigator.geolocation.getCurrentPosition(onSuccess, onError);
    }

    // Display `Position` properties from the geolocation
    //
    function onSuccess(position) {
        var div = document.getElementById('myDiv');

        div.innerHTML = 'Latitude: '             + position.coords.latitude  + '<br/>' +
                        'Longitude: '            + position.coords.longitude + '<br/>' +
                        'Altitude: '             + position.coords.altitude  + '<br/>' +
                        'Accuracy: '             + position.coords.accuracy  + '<br/>' +
                        'Altitude Accuracy: '    + position.coords.altitudeAccuracy  + '<br/>' +
                        'Heading: '              + position.coords.heading   + '<br/>' +
                        'Speed: '                + position.coords.speed     + '<br/>';
    }

    // Show an alert if there is a problem getting the geolocation
    //
    function onError() {
        alert('onError!');
    }

    </script>
  </head>
  <body>
    <div id="myDiv"></div>
  </body>
</html>

Android Quirks

altitudeAccuracy: This property is not support by Android devices, it will always return null.