[vtk-developers] Speeding up `import vtk`

[Utkarsh Ayachit]

>>   from vtkmodules import vtkSomeFactory
>>   vtkSomeFactory.SetDefaultClass("vtkNameOfSomeClass")
>
> This would be `from vtkmodules.vtkSomeModule import vtkSomeFactory`. The
> point of vtkmodules is that the top-level package *doesn't* import
> everything.

You can also:
> from vtk import vtkSomeFactory
>  vtkSomeFactory.SetDefaultClass("vtkNameOfSomeClass")

Utkarsh