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God morning,<br><br>I have the following code:<br><br><br> this->_ren->AddActor(imgAct1);<br> this->_ren->AddActor(imgAct2);<br> this->_ren->AddActor(imgAct3);<br><br> _ren->Render();<br> _ren->ResetCamera();<br><br>vtkActorCollection *actColl = _ren->GetActor();<br><br>actColl->InitTraversal();<br><br><br>now the problem I have is although I've added the three actors to my renderer, when It follows a call to the actorCollection the collection list is empty.<br><br>Can someone tell me why?<br><br>Kind regards.<br>Giancarlo<br><br /><hr />25 GB di spazio gratuito su Internet! <a href='http://clk.atdmt.com/GBL/go/140630366/direct/01/' target='_new'>Prova SkyDrive</a></body>
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