finally all problems were surpassed, thanks for your help. We have made a tool that automatically exports joomla/sobipro entries into Wikitude AR browser by complying wtih all the api details. It is provided free at http://arexporter.mklab.iti.gr
almost 5 years ago
$_GET will get the latitude parameter when you pass a URL parameter (as Wikitude will do when you connect your service to the Wikitude backend).