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<div class=Section1>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>How do you associate a vtkFollower object with a camera source in an MFC
application like Sample?<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>Clearly you cannot do something like this in the Document class:<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style='mso-tab-count:1'> </span>this->textActor->SetCamera(Renderer->GetActiveCamera());<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style='mso-tab-count:1'> </span>this->Props->AddItem(textActor);<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>Because the renderer Renderer is not visible. <o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>So can you do this in the code where the view is generated?<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>i.e here in SampleViewDoc:<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>/////////////////////////////////////////////////////////////////////////////<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>// CSampleView message handlers<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>void CSampleView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>{<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style='mso-tab-count:1'> </span>//
TODO: Add your specialized code here and/or call the base class<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>vtkPropCollection *propc;<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>vtkProp *prop;<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>// TODO: Add your
specialized code here and/or call the base class<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>// first remove any old
actors<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes">
</span>this->Renderer->GetProps()->RemoveAllItems();<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>propc =
this->GetDocument()->GetProps();<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>propc->InitTraversal();<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>while (prop =
propc->GetNextProp())<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>{<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes">
</span>this->Renderer->AddProp(prop);<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes">
</span>this->Renderer->ResetCamera();<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span>}<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes"> </span><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><span style="mso-spacerun: yes">
</span>this->vtkMFCRenderView::OnUpdate(pSender, lHint, pHint);<span
style='mso-tab-count:3'> </span><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'>}<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle16><font size=2 color=black
face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
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