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<div class=Section1>
<p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I¡¯ve got a problem with using
vtkCallBackCommand to do custom mouse interaction.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Something I want is drawing lines ,getting coordinate
point which the mouse was pointed by no means of using mouse control and
texting the point in the Window. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I¡¯ve tried a lot of things but I couldn¡¯t
solve it.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I¡¯m quite hurry. Please answer me and
Please give me some sample code so that I can understand easily.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>This is my Code.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>static void
handle_double_click(vtkObject* obj, unsigned long,<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
void*, void*)<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>{<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
vtkRenderWindowInteractor* iren = vtkRenderWindowInteractor::SafeDownCast(obj);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'> vtkRenderer
*pvtkRenderer = vtkRenderer::New();<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
vtkTextMapper *pvtkTextMapper = vtkTextMapper::New();<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
vtkActor2D *pvtkActor2D = vtkActor2D::New();<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
vtkMFCWindow *pvtkMFCWindow;<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
vtkActor *pvtkActor = vtkActor::New();<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'> if(iren
&& iren->GetRepeatCount())<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'> {<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
vtkActor *pvtkActor = vtkActor::New();<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
pvtkTextMapper->SetInput("Hello World");<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
pvtkTextMapper->GetTextProperty()->SetFontSize(24);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
pvtkTextMapper->GetTextProperty()->SetColor(255,1,1);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
pvtkActor2D->SetMapper(pvtkTextMapper);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
//pvtkMFCWindow -> GetRenderWindow()->AddActor(pvtkActor2D);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>
//pvtkMFCWindow -> GetRenderWindow()-> AddRenderer(pvtkRenderer);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'> }<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='color:red'>}<o:p></o:p></span></b></p>
<p class=MsoNormal><span lang=EN-US style='color:red'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:red'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US>void CVolCadView::OnInitialUpdate() <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US>{<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> CView::OnInitialUpdate();<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> //
TODO: Add your specialized code here and/or call the base class<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> if
(this -> pvtkMFCWindow) delete this ->pvtkMFCWindow;<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> this
-> pvtkMFCWindow = new vtkMFCWindow(this);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> this
-> pvtkMFCWindow -> GetRenderWindow()->
AddRenderer(this->pvtkRenderer);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> <o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> //
get double click events<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> vtkCallbackCommand*
callback = vtkCallbackCommand::New();<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> callback->SetCallback(handle_double_click);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US> this->pvtkMFCWindow->GetInteractor()->AddObserver(vtkCommand::LeftButtonPressEvent,
callback, 1.0);<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US>}<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US><o:p> </o:p></span></b></p>
</div>
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