<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">You can find some information here, but I think it was to use a cube as background not a sphere. I'm not really sure what the difference is.<div><br></div><div><a href="http://ict.debevec.org/~debevec/Probes/">http://ict.debevec.org/~debevec/Probes/</a></div><div><br><div><div>On Apr 30, 2011, at 1:55 AM, Tom Sparks wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:10pt"><div><span></span></div><div>I have found a Patent witch may affect X3D and VRML97 background node ,<br>You can read about the patent here (<a href="http://www.google.com/patents/about?id=KjQSAAAAEBAJ&dq=6,754,400">http://www.google.com/patents/about?id=KjQSAAAAEBAJ&dq=6,754,400</a>)<br><br>the IVRPA is fund a case to invalided this patent ( <a href="http://ivrpa.org/patent">http://ivrpa.org/patent</a> )<br> the IVRPA is asking for information to invalided this claim the lawyers want pre February 2001<br><br></div><div>--<br>tom_a_sparks "It's a nerdy thing I like to do"<br>Please use ISO approved file formats excluding Office Open XML - <a href="http://www.gnu.org/philosophy/no-word-attachments.html">http://www.gnu.org/philosophy/no-word-attachments.html</a><br>3 x (x)Ubuntu 10.04, Amiga A1200 WB 3.1, UAE AF 2006 WB 3.X, Sam440 AOS 4.1</div></div></div>_______________________________________________<br>X3D-Public mailing list<br><a href="mailto:X3D-Public@web3d.org">X3D-Public@web3d.org</a><br>http://web3d.org/mailman/listinfo/x3d-public_web3d.org<br></blockquote></div><br></div></body></html>