<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- satelliteinfo.qdoc --> <title>SatelliteInfo (C++/QML) | Qt Positioning 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtpositioning-index.html">Qt Positioning</a></td><td ><a href="qtpositioning-examples.html">Qt Positioning Examples</a></td><td >SatelliteInfo (C++/QML)</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#running-the-example">Running the Example</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">SatelliteInfo (C++/QML)</h1> <span class="subtitle"></span> <!-- $$$satelliteinfo-description --> <div class="descr"> <a name="details"></a> <p>Key <a href="qtpositioning-index.html">Qt Positioning</a> classes used in this example:</p> <ul> <li><a href="qgeosatelliteinfo.html">QGeoSatelliteInfo</a></li> <li><a href="qgeosatelliteinfosource.html">QGeoSatelliteInfoSource</a></li> </ul> <p class="centerAlign"><img src="images/example-satelliteinfo.png" alt="" /></p><p>The example displays the signal strength of all satellites in view. Any satellite that is currently used to calculate the GPS fix has been marked pink. The number at the bottom of each signal bar is the individual satellite identifier.</p> <p>The application operates in three different modes:</p> <div class="table"><table class="generic"> <thead><tr class="qt-style"><th >Application mode</th><th >Description</th></tr></thead> <tr valign="top" class="odd"><td >running</td><td >The application continuously queries the system for satellite updates. When new data is available it will be displayed.</td></tr> <tr valign="top" class="even"><td >stopped</td><td >The application stops updating the satellite information.</td></tr> <tr valign="top" class="odd"><td >single</td><td >The application makes a single update request with a timeout of 10s. The display remains empty until the request was answered by the system.</td></tr> </table></div> <p>If the platform does not provide satellite information the application automatically switches into a demo mode whereby it continuously switches between predefined sets of satellite data.</p> <a name="running-the-example"></a> <h2 id="running-the-example">Running the Example</h2> <p>To run the example from Qt Creator, open the <b>Welcome</b> mode and select the example from <b>Examples</b>. For more information, visit Building and Running an Example.</p> <p>Files:</p> <ul> <li><a href="qtpositioning-satelliteinfo-satelliteinfo-qml.html">satelliteinfo/satelliteinfo.qml</a></li> <li><a href="qtpositioning-satelliteinfo-satellitemodel-cpp.html">satelliteinfo/satellitemodel.cpp</a></li> <li><a href="qtpositioning-satelliteinfo-satellitemodel-h.html">satelliteinfo/satellitemodel.h</a></li> <li><a href="qtpositioning-satelliteinfo-main-cpp.html">satelliteinfo/main.cpp</a></li> <li><a href="qtpositioning-satelliteinfo-satelliteinfo-pro.html">satelliteinfo/satelliteinfo.pro</a></li> <li><a href="qtpositioning-satelliteinfo-satelliteinfo-qrc.html">satelliteinfo/satelliteinfo.qrc</a></li> </ul> </div> <!-- @@@satelliteinfo --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>