<div dir="ltr"><div>Looks good to me. You may want to set the origin to 0 if appropriate.<br></div>actor-&gt;SetOrigin(0,0,0);<br><br><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Aug 2, 2013 at 12:42 PM, Serge Lalonde <span dir="ltr">&lt;<a href="mailto:serge@infolytica.com" target="_blank">serge@infolytica.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  

    
  
  <div text="#000000" bgcolor="#FFFFFF">
    Here&#39;s the code that I wrote to reset the actor positions to their
    defaults after being modified by the
    vtkInteractorStyleTrackballActor class.<br>
    It works, but does anybody know if this is the correct way to do it?
    Thanks!<br>
    
    
    <pre style="background:white;font-size:13;font-family:Consolas">   <span style="color:blue">vtkActorCollection</span> *<span style="color:navy">actors</span>= <span style="color:navy">CurrentRenderer</span>-&gt;<span style="color:#880000">GetActors</span>();
   <span style="color:blue">vtkCollectionSimpleIterator</span> <span style="color:navy">cookie</span>;
   <span style="color:blue">vtkActor</span> *<span style="color:navy">actor</span>;

   <span style="color:navy">actors</span>-&gt;<span style="color:#880000">InitTraversal</span>(<span style="color:navy">cookie</span>);
   <span style="color:blue">while</span> ((<span style="color:navy">actor</span>= <span style="color:navy">actors</span>-&gt;<span style="color:#880000">GetNextActor</span>(<span style="color:navy">cookie</span>)) != <span style="color:#a000a0">NULL</span>)
   {
      <span style="color:blue">if</span> (<span style="color:navy">actor</span>-&gt;<span style="color:#880000">GetUserMatrix</span>() != <span style="color:#a000a0">NULL</span>)
         <span style="color:navy">actor</span>-&gt;<span style="color:#880000">GetUserMatrix</span>()-&gt;<span style="color:#880000">Identity</span>();
      <span style="color:navy">actor</span>-&gt;<span style="color:#880000">GetMatrix</span>()-&gt;<span style="color:#880000">Identity</span>();
      <span style="color:navy">actor</span>-&gt;<span style="color:#880000">SetOrientation</span>(0, 0, 0);
      <span style="color:navy">actor</span>-&gt;<span style="color:#880000">SetScale</span>(1, 1, 1);
      <span style="color:navy">actor</span>-&gt;<span style="color:#880000">SetPosition</span>(0, 0, 0);
   }

   <span style="color:blue">if</span> (<span style="color:navy">AutoAdjustCameraClippingRange</span>)
      <span style="color:navy">CurrentRenderer</span>-&gt;<span style="color:#880000">ResetCameraClippingRange</span>();

   <span style="color:navy">Interactor</span>-&gt;<span style="color:blue">Render</span>();

</pre><span class="HOEnZb"><font color="#888888">
    <div>-- <br>
      
      
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