[vtkusers] VTK with OpenVR on Linux (HTC Vive)

[deubel at dornheim-medical-images.com]

Dear Ken,
I finally managed to get my code building and running on both Windows and Linux.
You can find it here:
https://transfer.sh/gJ1Sg/vtkOpenVRHelloWorld.zip (https://transfer.sh/gJ1Sg/vtkOpenVRHelloWorld.zip)

Unfortunately, it doesn't work with the latest VTK-Version from https://gitlab.kitware.com/vtk/vtk (https://gitlab.kitware.com/vtk/vtk)
After some testing, I found the first commit it doesn't build with: https://gitlab.kitware.com/vtk/vtk/commit/61bc6b5b4b8f0d2d111f6c10af3dd79488f919cc (https://gitlab.kitware.com/vtk/vtk/commit/61bc6b5b4b8f0d2d111f6c10af3dd79488f919cc)
(VTK builds, but my program doesn't build with this VTK Version)

Even though I already use the vtkOpenVR* classes explicitly, it doesn't build.
Is there something else I have to change to make it compatible?

Make produces the following Linker error:

[ 50%] Linking CXX executable vtkOpenVRHelloWorld
CMakeFiles/vtkOpenVRHelloWorld.dir/CylinderRenderingProperties.cxx.o: In function `vtkRenderingOpenGL2_AutoInit::vtkRenderingOpenGL2_AutoInit()':
/media/max/home/max/build-vtk-current-master-Desktop_Qt_5_11_2_GCC_64bit-Default/Rendering/OpenGL2/vtkRenderingOpenGL2Module.h:47: undefined reference to `vtkRenderingOpenVR_AutoInit_Construct()'
CMakeFiles/vtkOpenVRHelloWorld.dir/CylinderRenderingProperties.cxx.o: In function `vtkRenderingOpenGL2_AutoInit::~vtkRenderingOpenGL2_AutoInit()':
/media/max/home/max/build-vtk-current-master-Desktop_Qt_5_11_2_GCC_64bit-Default/Rendering/OpenGL2/vtkRenderingOpenGL2Module.h:47: undefined reference to `vtkRenderingOpenVR_AutoInit_Destruct()'

Any help would be appreciated!

Best regards,
Max.D.
4. Oktober 2018 16:10, "Ken Martin" <ken.martin at kitware.com (mailto:ken.martin at kitware.com?to=%22Ken%20Martin%22%20<ken.martin at kitware.com>)> schrieb: 
You need to create an use an OpenVRCamera. From your code it doesn't look like you are. I doubt that is the crash but it could be. 
Does the example work on windows? Since linux is an unknown I would think it would be best to make sure you have something working on windows, then port to linux.  
On Thu, Oct 4, 2018 at 9:56 AM, <deubel at dornheim-medical-images.com (mailto:deubel at dornheim-medical-images.com)> wrote:
Hey Guys,
Has anyone of you been able to use the vtkOpenVR classes on Linux?
I can run Steam with SteamVR on a Ubuntu 18.04 system, but when I try to run the HelloWorld Example of VTK modified for VR, I encounter a segmentation fault.
You can find the code I used here: https://pastebin.com/gjsvKy58 (https://pastebin.com/gjsvKy58)
The whole project with binary and core dump can be found here: https://transfer.sh/6vONY/build.zip (https://transfer.sh/6vONY/build.zip)

Do you have any suggestions on how to get this working?

Thanks in advance!

Best regards,
Max.Deubel 
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