[vtkusers] 3D stereo with VTK (SetStereoTypeToCrystalEyes)

[Santiago Rodríguez]

Hi, I need to develope a 3D application with stereo capabilities using
VTK.
I’m using an nVidia GeForce 6200 with shutter glasses from eDimensional
and I have a standard CRT monitor.
 
First I enable the stereo property of the video card and I put on the
shutter glasses.
Then I run the medical test image for stereo (a demo image from nVidia)
an it works very well.
 
The problem is when I set VTK for stereo capabilities, the image looks
like a shifted copy of the right eye (or left eye).
I see a parallel copy of the right image (or left image) shifted, but
not with the correct perspective or eye angle.
 
I’m usig the following code in C++  Builder 6.0:
vtkWindow1->GetRenderWindow()->SetStereoCapableWindow(1);
vtkWindow1->GetRenderWindow()->StereoRenderOn();
vtkWindow1->GetRenderWindow()->SetStereoTypeToCrystalEyes();
vtkWindow1->GetRenderWindow()->StereoUpdate();
 
Could be the video card or the shutter glasses? or is there something
wrong in my code?
 
When I write:
vtkWindow1->GetRenderWindow()->SetStereoTypeToLeft();
vtkWindow1->GetRenderWindow()->StereoUpdate();
or
vtkWindow1->GetRenderWindow()->SetStereoTypeToRight();
vtkWindow1->GetRenderWindow()->StereoUpdate();
or
vtkWindow1->GetRenderWindow()->SetStereoTypeToAnaglyph();
vtkWindow1->GetRenderWindow()->StereoUpdate();
it works very well.
 
Using these three last modes I modify the eye angle with
“vtkWindow1->GetRenderer()->GetActiveCamera()->SetEyeAngle(MyVisualAngle
)” and it works very well too. 
But the same code with the “SetStereoTypeToCrystalEyes()” function
doesn’t work.
 
Anyone can help me??
Thanks
Santiago Rodríguez
 
 
 
 
 
  

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