 application's context manager is instantiated and the main context is created the first time an N3DCamera is instantiated.&nbsp; You can get the main context at any time, whether or not it existed previously, with the message:</font></td></tr>

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<p><img src="../../../Images/sp.gif" width=124 height=1><font face="Courier" size="-1">[[N3DContextManager new] mainContext]</font>

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<td><font face="Times">You can create addit