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<p><b><span style="font-size:10.0pt;font-family:"Microsoft Sans Serif","sans-serif"">UNCLASSIFIED</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks again Paul,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I am using ref_ptrs but maybe not properly.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I will analyse my code again.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Cheers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Russell <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p><b><span style="font-size:10.0pt;font-family:"Microsoft Sans Serif","sans-serif";color:red">IMPORTANT</span></b><span style="font-size:10.0pt;font-family:"Microsoft Sans Serif","sans-serif";color:red">: This email remains the property of the Department of
Defence and is subject to the jurisdiction of section 70 of the Crimes Act 1914. If you have received this email in error, you are requested to contact the sender and delete the email.</span><o:p></o:p></p>
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<p class="MsoNormal"><a name="_____replyseparator"></a><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:EN-AU">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:EN-AU">
Paul Pocock [mailto:paul.tanja@internode.on.net] <br>
<b>Sent:</b> Tuesday, 14 November, 2017 2:34 p.m.<br>
<b>To:</b> Thamm, Russell<br>
<b>Subject:</b> Re: [osg-users] Correct way to modify scene graph [SEC=UNCLASSIFIED]<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p>Hi Russell, Sill question but are you using ref_ptrs ?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On 14/11/17 10:45, Thamm, Russell wrote:<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p><b><span style="font-size:10.0pt;font-family:"Microsoft Sans Serif","sans-serif"">UNCLASSIFIED</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Hi Paul,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks for your response.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">The viewer is single-threaded. Furthermore, I now make all modifications to the scene tree in the render thread (prerender) but I still get the occasional crash in the render thread:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">C:\Program Files\Microsoft Visual Studio 9.0\VC\include\vector line 116</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Expression(“this->_Has_Container()”, 0)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Unfortunately the error doesn’t occur reliably enough to track down. It does seem to occur when I modify the scene tree.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Cheers</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Russell</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p><b><span style="font-size:10.0pt;font-family:"Microsoft Sans Serif","sans-serif";color:red">IMPORTANT</span></b><span style="font-size:10.0pt;font-family:"Microsoft Sans Serif","sans-serif";color:red">: This email remains the property of the Department of
Defence and is subject to the jurisdiction of section 70 of the Crimes Act 1914. If you have received this email in error, you are requested to contact the sender and delete the email.</span><o:p></o:p></p>
<div>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:EN-AU">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:EN-AU">
Paul Pocock [<a href="mailto:paul.tanja@internode.on.net">mailto:paul.tanja@internode.on.net</a>]
<br>
<b>Sent:</b> Thursday, 9 November, 2017 2:50 p.m.<br>
<b>To:</b> OpenSceneGraph Users; Thamm, Russell<br>
<b>Subject:</b> Re: [osg-users] Correct way to modify scene graph [SEC=UNCLASSIFIED]</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p>Hi Russell,<o:p></o:p></p>
<p>I suppose setting the threading model to SingleThreaded is not an option, maybe set Root Node to DYNAMIC variance? I can't remember the actual call.
<o:p></o:p></p>
<p>good luck,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On 09/11/17 14:49, Thamm, Russell wrote:<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p><b><span style="font-size:10.0pt">UNCLASSIFIED</span></b><o:p></o:p></p>
<p class="MsoNormal">Hi<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I am in the process of porting an MFC application from plib to osg.
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Currently, if I want to actually modify the scene graph (adding, deleting nodes etc) while the render thread is running I do the following:<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">parentNode->setNodeMask(0);<o:p></o:p></p>
<p class="MsoNormal">modify scene graph below parent node<o:p></o:p></p>
<p class="MsoNormal">parentNode->setNodeMask(~0);<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">This seems to work but is there a better way?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Cheers<o:p></o:p></p>
<p class="MsoNormal">Russell<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p><b><span style="font-size:10.0pt">IMPORTANT</span></b><span style="font-size:10.0pt">: This email remains the property of the Department of Defence and is subject to the jurisdiction of section 70 of the Crimes Act 1914. If you have received this email in
error, you are requested to contact the sender and delete the email.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt"><br>
<br>
</span><o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>osg-users mailing list<o:p></o:p></pre>
<pre><a href="mailto:osg-users@lists.openscenegraph.org">osg-users@lists.openscenegraph.org</a><o:p></o:p></pre>
<pre><a href="http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org">http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal"><span style="font-size:12.0pt"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-AU"><o:p> </o:p></span></p>
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