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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Donny [mailto:donnyz@charter.net]
<br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>Tuesday,
 October 19, 2010</span></font><font size=2 face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma'> </span></font><font size=2 face=Tahoma><span
 style='font-size:10.0pt;font-family:Tahoma'>6:08 PM</span></font><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> 'vtkusers@vtk.org'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Updating vtkCamera after
SetPosition and SetFocalPoint</span></font></p>

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style='font-size:12.0pt'>&nbsp;</span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>If I call Azimuth() or Dolly() on
the active camera and then call Render() on the RenderWindowInteractor the
scene acts as intended. If I call SetPosition and SetFocalPoint on the active
camera and then call the same Render() on RenderWindowInteractor the scene does
not update. If I then call Azimuth() or Dolly() again the scene updates with
the camera moved to the correct position set with the previous SetPosition and
SetFocalPoint calls. How do I get the camera to update after calling
SetPosition() and SetFocalPoint() so that a call to Render() &nbsp;will render
the set position and focus?</span></font></p>

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style='font-size:10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Thanks.</span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Donny Zimmerman</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I solved the problem I was modifying the
actual position and focal point through pointers returned by getposition and getfocalpoint.
After looking at the vtkCamera source I noticed that it checks if it is
modified which it wouldn&#8217;t be the way my code was.</span></font></p>

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style='font-size:12.0pt'>&nbsp;</span></font></p>

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