These data can be retrieved by using standard Joomla function :
- JoomlaCMSFactory::getApplication()->getSession()->get('iciLat'); for Latitude
- JoomlaCMSFactory::getApplication()->getSession()->get('iciLon'); for Longitude

This extension contains two different modules :
- modgeolocsession.php : the main module that actually gets the coordinates from the user browser and sets them into the current user session data. The module actually asks the coordinates to the user's browser only at the first time it is activated. If the coordinates are already in the session data, it does nothing.
- modgeolocdisplay.php : this optionnal module displays the coordinates produced by modgeolocsession module, it can be used for testing purpose.