[vtk-developers] vtkOpenVR

[Ken Martin]

I believe the factory mechanism will replace any instantiations of
vtkRenderWindow with vtkOpenVRRenderWindow if it is linked into the
executable. From what I have seen that is the trick. The executable has to
be linked against the vtkOpenVR module for the autoinit to work.

Now for Slicer I have no idea how they create their RenderWindow. If they
are explicitly creating a subclass of vtkRenderWindow then the factory code
will not work because it is targeted at the generic vtkRenderWindow level.
A slicer person could maybe tell you more (or digging through the code).  I
think slicer may also open multiple renderwindows, for the OpenVR stuff I
think you would really only want to have one window. etc.

Hope that helps!



On Wed, May 25, 2016 at 8:38 PM, Adam Rankin <arankin at robarts.ca> wrote:

> Hello all,
>
>
>
> I have succeeded in replicating Ken Martin’s VTK master build with the
> drop-in replacement classes for outputting to an OpenVR device.
>
>
>
> I am looking to build 3D Slicer using this VTK build, and am trying to
> understand the autoinit system, so that the factory implementation for
> these classes kicks in.
>
>
>
> What I can’t find is where is the location where the list of classes to be
> autoinit’d is defined. I’ve found the dependency hierarchy traversal in
> vtkModuleMacros.cmake, but I can’t figure out how to add the vtkOpenVR
> module.
>
>
>
> Would anyone be able to point me in the right direction?
>
>
>
> Cheers and thanks!
>
> Adam
>
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-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
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Clifton Park NY 12065
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