[vtkusers] Oculus Rift: vtkLensWarp - failure for request: vtkInformation

[Citizen Snips]

Here is the code segment in question (Not full file, but the rest is just
setting up renderers, actors, etc.


Citizen Snips wrote
>  # Set up webcam feed for background video 
>         cb.webcam = cv2.VideoCapture(0) 
>         ret, tmp = cb.webcam.read() 
>         cv2.cvtColor(tmp, cv2.COLOR_BGR2RGB) 
>          
>         width = cb.webcam.get(3) 
>         height = cb.webcam.get(4) 
>          
>         # image converter for openCV frame to vtkImageData 
>         cb.imgPort = vtkImageImport() 
>         cb.imgPort.SetDataSpacing(1,1,1) 
>         cb.imgPort.SetDataOrigin(0,0,0) 
>         cb.imgPort.SetWholeExtent(0, width-1,0,height-1,0,0) 
>         cb.imgPort.SetDataExtentToWholeExtent() 
>         cb.imgPort.SetDataScalarTypeToUnsignedChar() 
>         cb.imgPort.SetNumberOfScalarComponents(3) 
>         cb.imgPort.SetImportVoidPointer(tmp) 
>         cb.imgPort.Update() 
> 
>  
>         #Warp image 
>         cb.wl = vtk.vtkWarpLens() 
>         cb.wl.SetInputConnection(cb.imgPort.GetOutputPort()) 
>         cb.wl.SetPrincipalPoint(2.4507, 1.7733) 
>         cb.wl.SetFormatWidth(4.792) 
>         cb.wl.SetFormatHeight(3.6) 
>         cb.wl.SetImageWidth(width) 
>         cb.wl.SetImageHeight(height) 
>         cb.wl.SetK1(0.01307) 
>         cb.wl.SetK2(0.0003102) 
>         cb.wl.SetP1(1.953e-005) 
>         cb.wl.SetP2(-9.655e-005)





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