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<span style="font-size: 10pt; font-family: DotumChe;">The default
vtkRenderWindowInteractor</span> from New() doesn't work with Qt.<br>
You should either get the interactor from QVTKWidget or make a
QVTKInteractor.<br>
<br>
Clint<br>
<br>
On 01/15/2011 12:38 AM, Xiaopeng Yang wrote:
<blockquote cite="mid:00f601cbb487$2b494d80$81dbe880$@ac.kr"
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<div class="WordSection1">
<p class="MsoNormal">Dear Members,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I made a system by QT, VTK, and ITK. In the
system, 10 convex hulls are generated and visualized by the
same vtkRenderer in a qvtkWidget. After visualization, the
interaction function does not work. I could not drag and
rotate the convex hulls. But I can zoom in and out through the
mouse wheel. Then after 2 or 3 seconds, the program crashed
out. I tried many different ways to solve the problem since
last weekend, however, still I did not succeed yet. I would
appreciate a lot if anyone can give me some advice. I attach
the code here for reference. Thank you very much!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe; color: blue;"> if</span><span
style="font-size: 10pt; font-family: DotumChe;"> (seg_no ==
0)<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> {<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> <span style="color:
blue;">for</span> (i = 0; i < spl_max; i++)<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> {<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
points1->InsertNextPoint(segment_point_list[i][0],
segment_point_list[i][1], segment_point_list[i][2]);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> }<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
polydata1->SetPoints(points1);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunay3D1->SetInput (polydata1);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunay3D1->Update();<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunayMapper1->SetInputConnection(delaunay3D1->GetOutputPort());<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunayActor1->SetMapper(delaunayMapper1);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunayActor1->GetProperty()->SetColor(1,0,0);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> }<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> <span style="color: blue;">else</span>
<span style="color: blue;">if</span> (seg_no == 1)<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> {<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> <span style="color:
blue;">for</span> (i = 0; i < spl_max; i++)<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> {<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
points2->InsertNextPoint(segment_point_list[i][0],
segment_point_list[i][1], segment_point_list[i][2]);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"> }<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
polydata2->SetPoints(points2);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunay3D2->SetInput (polydata2);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunayMapper2->SetInputConnection(delaunay3D2->GetOutputPort());<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunayActor2->SetMapper(delaunayMapper2);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">
delaunayActor2->GetProperty()->SetColor(1,1,0);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family:
DotumChe;"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 22pt; font-family:
"Times New Roman","serif";">…</span><span
style="font-size: 22pt;"><o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">vtkSmartPointer<vtkRenderWindow>
renderWindow =
vtkSmartPointer<vtkRenderWindow>::New();<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">renderWindow = <span style="color:
blue;">this</span>->ui->qvtkWidget_4->GetRenderWindow();<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">renderWindow->AddRenderer(delaunayRenderer);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">vtkSmartPointer<vtkRenderWindowInteractor>
renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">renderWindowInteractor->SetRenderWindow(renderWindow);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor1);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor2);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor3);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor4);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor5);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor6);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor7);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor8);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor9);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->AddActor(delaunayActor10);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">delaunayRenderer->SetBackground(1,1,1);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">renderWindow->Render();<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">renderWindowInteractor->Initialize();<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 10pt;
font-family: DotumChe;">renderWindowInteractor->Start();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family:
DotumChe;">}</span><o:p></o:p></p>
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