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Thank you very very much for all your help!<br><br>I'm giving a look at the demo, and I'll let you know !<br><br>I am sorry to ask, but is there a simple way to calculate the heading having two CARTESIAN coordinates ?<br><br>Thanks in advance !<br><br>Sam<br /><hr />La Suisse reçoit plus d'espace! Votre disque dur virtuel de 25 Go: <a href='http://skydrive.live.com' target='_new'>Windows Live avec SkyDrive!</a></body>
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