[vtkusers] The vtkRenderWindow don't render stereo mode for Crystal eyes.

[Aashish Chaudhary]

Hi,


2010/10/20 林 信介 <savage_cin29 at hotmail.com>

>  Dear all :
>
>
>     OS : windows 7 64bit
>     VTK: 5.6 Version
>     Display Card : Quadro FX 570
>     Monitor : ASUS VG 236 H with NVIDIA 3D VISION KIT
>
>     I code a stereo test program using VC2008. The following is my code.
>
>
> //---------------------------------------------------------------------------------------------------------------
>     vtkVolume16Reader *v16 =  vtkVolume16Reader::New();
>     v16->SetDataDimensions( 64, 64);
>     v16->SetDataByteOrderToLittleEndian();
>     v16->SetImageRange( 1, 93);
>     v16->SetDataSpacing( 3.2, 3.2, 1.5);
>     v16->SetFilePrefix( "C:\\VTKData5.6\\Data\\headsq\\quarter" );
>     v16->SetFilePattern("%s.%d");
>     v16->SetDataMask( 0x7fff);
>     v16->Update();
>
>     vtkContourFilter *contour = vtkContourFilter::New();
>     contour->SetInputConnection(v16->GetOutputPort());
>     contour->SetValue(0,1500);
>     contour->SetValue(1,2500);
>
>     vtkPolyDataNormals *skinNormals = vtkPolyDataNormals::New();
>     skinNormals->SetInputConnection(contour->GetOutputPort());
>     skinNormals->SetFeatureAngle(60.0);
>
>     vtkPolyDataMapper *skinMapper = vtkPolyDataMapper::New();
>     skinMapper->SetInputConnection(skinNormals->GetOutputPort());
>     skinMapper->ScalarVisibilityOff();
>
>     vtkActor *skin = vtkActor::New();
>     skin->SetMapper(skinMapper);
>
>     vtkRenderer *renderer = vtkRenderer::New();
>     renderer->AddActor(skin);
>     renderer->SetBackground(0,0,0);
>
>     vtkRenderWindow *renWin = vtkRenderWindow::New();
>     renWin->AddRenderer(renderer);
>     renWin->SetStereoCapableWindow(1);
>     renWin->StereoRenderOn();
>     renWin->SetStereoTypeToCrystalEyes();
>     renWin->StereoUpdate();
>
>     vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
>     iren->SetRenderWindow(renWin);
>
>     iren->Initialize();
>     iren->Start();
>
>    //---------------------------------------------------------------------------------------------------------------
>
>    The above code can render 3D image for Crystal eyes correctly.
>    However, when i use the same code on Borland C++ Builder, the stereo
> mode don't work.
>    I use ComboBox to select the stereo mode dynamically.
>    The effect work well except the crystal eyes.
>    This is my event code for ComboBox.
>
>
> //---------------------------------------------------------------------------------------------------------------
>    void __fastcall TForm1::ComboBox1Change(TObject *Sender)
>    {
>         TComboBox *cb = dynamic_cast<TComboBox *>(Sender);
>
>         // The following code is essential. Because the stereo capable
> window must "ON" before the "the render window" rendered.
>         vtkWindow->GetRenderWindow()->Finalize();
>         vtkWindow->GetRenderWindow()->SetStereoCapableWindow(1);
>         vtkWindow->GetRenderWindow()->StereoRenderOn();
>

You might want to call StereoUpdate() here. See if that helps.


>
>         switch (cb->ItemIndex) {
>         case 0:
>               vtkWindow->GetRenderWindow()->SetStereoTypeToDresden();
>         break;
>         case 1:
>               vtkWindow->GetRenderWindow()->SetStereoTypeToCheckerboard();
>         break;
>         case 2:
>               vtkWindow->GetRenderWindow()->SetStereoTypeToInterlaced();
>         break;
>         case 3:
>              vtkWindow- >GetRenderWindow()->SetStereoTypeToAnaglyph();
>         break;
>         case 4:
>              vtkWindow->GetRenderWindow()->SetStereoTypeToRedBlue();
>         break;
>          case 5:
>              vtkWindow->GetRenderWindow()->SetStereoTypeToCrystalEyes();
>          break;
>          case 6:
>              vtkWindow->GetRenderWindow()->SetStereoTypeToLeft();
>          break;
>          case 7:
>        &nb sp;    vtkWindow->GetRenderWindow()->SetStereoTypeToRight();
>          break;
>          default:
>          break;
>          }
>
>  // My function to refresh vtkBorlandRenderWindow
>  winRefresh();
>  }
>
>  //---------------------------------------------------------------------------------------------------------------
>
>
> Does anyone meet the problem? How to resolve the problem??
> Thanks
>

Thanks,


>
>


>
>
>
> Wallance Lin
>
>
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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