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org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-A6C9AF19-6694-478B-A9FE-7898A2091C4B.html
author Eugene Ostroukhov <eugeneo@symbian.org>
Mon, 15 Mar 2010 17:36:40 -0700
changeset 267 a0f8d02facf1
parent 229 716254ccbcc0
permissions -rw-r--r--
Bug 2073 - On restart of WRT tools - its hard to know which project the open file is in


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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta name="copyright" content="(C) Copyright 2009"/><meta name="DC.rights.owner" content="(C) Copyright 2009"/><meta name="DC.Type" content="mobileconcept"/><meta name="DC.Title" content="Returned location information"/><meta name="DC.Relation" scheme="URI" content="GUID-4541E532-CC1A-4115-8467-7FA1C4378307"/><meta name="DC.Relation" scheme="URI" content="GUID-7C69DDA4-16F1-4A8F-BDB2-4CB0015B4E81"/><meta name="DC.Relation" scheme="URI" content="GUID-65AAF569-D347-462B-B59A-9D7CA184AB9C"/><meta name="DC.Relation" scheme="URI" content="GUID-53CE4DE6-F065-4339-8C18-5C30A9540053"/><meta name="DC.Relation" scheme="URI" content="GUID-150E440F-56E4-4249-8739-A5A7A2050600"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-A6C9AF19-6694-478B-A9FE-7898A2091C4B"/><title>Returned
location information </title><script type="text/javascript">
      function initPage() {}
    </script><link href="../PRODUCT_PLUGIN/book.css" rel="stylesheet" type="text/css"/><link href="css/s60/style.css" rel="stylesheet" type="text/css" media="all"/></head><body onload="initPage();"><div class="body"><div class="contentLeft prTxt"><h1 class="pageHeading" id="GUID-A6C9AF19-6694-478B-A9FE-7898A2091C4B">Returned
location information</h1><div>
<p/>
<p>The <code>ReturnValue</code> property returned by a synchronous <a href="GUID-150E440F-56E4-4249-8739-A5A7A2050600.html#GUID-150E440F-56E4-4249-8739-A5A7A2050600"><code>GetLocation</code></a> call
and by <a href="GUID-C7C3B541-8D28-4DC6-9003-ECF57F26C608.html#GUID-C7C3B541-8D28-4DC6-9003-ECF57F26C608"><code>callback</code></a> for
an asynchronous <code>GetLocation</code> or <a href="GUID-7A0190CB-545E-48D2-BAF0-D28E03CDFCA5.html#GUID-7A0190CB-545E-48D2-BAF0-D28E03CDFCA5"><code>Trace</code></a> call
is an object containing the requested device location information. Each property
in the object corresponds to one kind of location information.</p>
<p>The exact set of properties included in the <code>ReturnValue</code> object
depends on the <a href="GUID-4541E532-CC1A-4115-8467-7FA1C4378307.html#GUID-4541E532-CC1A-4115-8467-7FA1C4378307"><span>criteria</span></a> defined
for the <code>GetLocation</code> or <code>Trace</code> call
and on the capabilities of the positioning system that provides the location
information for the mobile device. If a particular piece of location information
cannot be retrieved by the positioning system, the property for that information
is not included in the <code>ReturnValue</code> object. For example,
if basic location information is requested, the <code>ReturnValue</code> object
only contains properties for longitude, latitude, and altitude; no other location
information is returned. Similarly, if the positioning system used by the
S60 device cannot provide satellite information, the <code>SatelliteNumView</code> and <code>SatelliteNumViewUsed</code> properties
are not included in <code>ReturnValue</code>.</p>
<p>The <a href="http://en.wikipedia.org/wiki/World_Geodetic_System" target="_blank">WGS
84 datum</a> is used to reference coordinates. The representation is
in decimal degrees.</p>
<p>The following table describes the location information returned by a <code>GetLocation</code> or <code>Trace</code> call.</p>
<div class="tablenoborder"><a name="GUID-E1EDEBA8-6DC8-471D-92FB-8BB4CCBB0E12"><!----></a><table cellpadding="4" cellspacing="0" summary="" id="GUID-E1EDEBA8-6DC8-471D-92FB-8BB4CCBB0E12" frame="border" border="1" rules="all"><caption><strong>Table: </strong>ReturnValue properties
for location information</caption>

<thead align="left">
<tr class="title "><th class="cellrowborder" valign="top" width="25%" id="d0e48050">
<p>Property</p>
</th><th class="cellrowborder" valign="top" width="25%" id="d0e48055">
<p>Description</p>
</th><th class="cellrowborder" valign="top" width="25%" id="d0e48060">
<p>Value type</p>
</th><th class="cellrowborder" valign="top" width="25%" id="d0e48065">
<p>Location information type</p>
</th></tr>
</thead>
<tbody>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>Longitude</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Longitude estimate in degrees. The value range is [+180, -180].</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Basic or Generic</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>Latitude</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Latitude estimate in degrees. The value range is [+90, -90].</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Basic or Generic</p>
</td>
</tr>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>Altitude</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Elevation estimate in meters relative to the WGS 84 datum.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Basic or Generic</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>SatelliteNumView</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Number of satellites currently in view.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>SatelliteNumViewUsed</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Number of satellites used to obtain the location fix.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>HorizontalSpeed</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Horizontal speed estimate in meters per second. This is the speed of
the device at the time the location fix was obtained.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>HorizontalSpeedError</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Horizontal speed error in meters per second.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>TrueCourse</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Current direction of movement in degrees in relation to true north.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>TrueCourseError</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p><code>TrueCourse</code> error in degrees.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>MagneticHeading</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Current direction of movement in degrees in relation to magnetic north.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>MagneticHeadingError</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p><code>MagneticHeading</code> error in degrees.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>Heading</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Current instantaneous direction of movement in degrees in relation to
true north.</p>
<p/>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>HeadingError</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p><code>Heading</code> error in degrees.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>MagneticCourse</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p>Current instantaneous direction of movement in degrees in relation to
magnetic north.</p>
<p/>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
<tr class="">
<td class="cellrowborder" valign="top" width="25%" headers="d0e48050 ">
<p><code>MagneticCourseError</code></p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48055 ">
<p><code>MagneticCourse</code> error in degrees.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48060 ">
<p>number</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="d0e48065 ">
<p>Generic</p>
</td>
</tr>
</tbody>
</table></div></div></div></div><div class="footer"><hr/><div class="copy">© Nokia 2009.</div></div></body></html>
FCL/sftools/dev/eclipseenv/wrttools