[Cmb-users] Updates to CMB for VTK's OpenGL2 backend

[Marcus D. Hanwell]

On Tue, Dec 23, 2014 at 9:37 AM, Marcus D. Hanwell
<marcus.hanwell at kitware.com> wrote:
> On Tue, Dec 23, 2014 at 9:16 AM, Marcus D. Hanwell
> <marcus.hanwell at kitware.com> wrote:
>> Hi David,
>>
>> On Mon, Dec 22, 2014 at 11:03 PM, David Thompson
>> <david.thompson at kitware.com> wrote:
>>>>>> I just pushed updates to a few repositories, and had a pull request
>>>>>> merged in SMTK to make it possible to build CMBv4 with OpenGL2-based
>>>>>> ParaView/VTK. ...
>>>>>
>>>>> I am using an older version of ParaView (SHA 55f3b0e, from around Sep 10) and get link errors building libsmtkDiscreteBridge.dylib in SMTK ("library not found for -lvtkRendering"), ...
>>>>>
>>>> I didn't realize people would want to use old ParaView/VTK, I added a
>>>> new commit, and will make a pull request, that should address this.
>>>
>>>
>>> I am still getting the same error message. Also, if I want to build ParaView master with the OpenGL2 backend, do I need to set anything beside VTK_RENDERING_BACKEND:STRING=OpenGL2 ? I tried that and (after turning off some PV plugins) it starts building but then dies with
>>>
>>> [ 74%] Undefined symbols for architecture x86_64:
>>>   "vtkWebGLObject::GetId()", referenced from:
>>>       vtkPVWebApplication::GetWebGLSceneMetaData(vtkSMViewProxy*) in vtkPVWebApplication.cxx.o
>>>   "vtkWebGLObject::isVisible()", referenced from:
>>>       vtkPVWebApplication::GetWebGLSceneMetaData(vtkSMViewProxy*) in vtkPVWebApplication.cxx.o
>>>       vtkPVWebApplication::GetWebGLBinaryData(vtkSMViewProxy*, char const*, int) in vtkPVWebApplication.cxx.o
>>>
>> Not to get all picky but that looks like a very different error
>> message ;-) Before it couldn't find the libraries, now it is just a
>> few symbols. Annoyingly Linux doesn't resolve symbols upfront, and if
>> they are not used never will - guessing this is from the pickier Apple
>> linker.
>
> I need to drink more coffee before replying...I thought that was the
> CMB error. Maybe the code I added doesn't trickle down to all the
> files then, I will try to build an old VTK pre-backend vars to figure
> out what I missed. There are a few patches Utkarsh merged this morning
> that should make the above go away, I am just rebuilding PV to verify,
> otherwise you must disable ParaViewWeb.
>
So set the advanced variable PARAVIEW_ENABLE_WEB to FALSE, it is still
failing. I will try to get this resolved soon in ParaView, but I think
CMB can get by without ParaViewWeb.

Marcus