[Paraview] Using VR-Style input devices, analog input from 3Dconnexion device

[Aashish Chaudhary]

Hi Christian,

Sorry for the late reply. Not directly answering your question, but would
like to inform you that we (Mostly Dave and some me) recently made
improvements to the VR Plugin and now its merged back into master.

(13598-VRGrabWorldFix in master now)

I am wondering if you would like to update / test your code against today's
master. If you have some specific questions, we should be able to help.

Thanks,


On Fri, Dec 21, 2012 at 2:38 AM, Christian Richter <
christian.richter at ovgu.de> wrote:

> Hi Cory,
>
> thats awesome, thank you so much for sharing this.
>
> I would suggest the following change in HandleAnalog to support
> parallel-projection deph-scaling because moving in Z-Direction has no
> effect:
>
> int mode = camera->GetParallelProjection(**);
>     if (mode) {
>         //in case of parallel projection: moving in deph-direction has no
> effect, so needs scaling
>         pscale = camera->GetParallelScale();
>         pscale += 0.05*channel[1];
>         camera->SetParallelScale( pscale );
>     }
>
> However, the segfault remains at Enqueue for the first time a Style is
> arranged via the GUI Panel:
> (if you load a state file it works and becaue I only want to set up the
> Interactor Pipeline once and start with a state file it is not a big
> problem)
>
> Core was generated by `/home/dem/playground/**ParaView/build/bin/paraview
> --use-old-panels'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x00007f404cbeac56 in vtkVRQueue::Enqueue(**vtkVREventData const&) ()
> from /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
> (gdb) bt
> #0  0x00007f404cbeac56 in vtkVRQueue::Enqueue(**vtkVREventData const&) ()
> from /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
> #1  0x00007f404cbe165a in pqVRPNConnection::**newAnalogValue(_vrpn_ANALOGCB)
> () from /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
> #2  0x00007f404cbf1347 in vrpn_Callback_List<_vrpn_**
> ANALOGCB>::call_handlers(_**vrpn_ANALOGCB const&) () from
> /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
> #3  0x00007f404cbf0c7d in vrpn_Analog_Remote::handle_**change_message(void*,
> vrpn_HANDLERPARAM) () from /home/dem/playground/ParaView/**
> build/bin/../lib//libVRPlugin.**so
> #4  0x00007f404cbf7fbc in vrpn_TypeDispatcher::**doCallbacksFor(int, int,
> timeval, unsigned int, char const*) () from /home/dem/playground/ParaView/
> **build/bin/../lib//libVRPlugin.**so
> #5  0x00007f404cbfe1cf in vrpn_Endpoint::dispatch(int, int, timeval,
> unsigned int, char*) () from /home/dem/playground/ParaView/**
> build/bin/../lib//libVRPlugin.**so
> #6  0x00007f404cbfe110 in vrpn_Endpoint_IP::**getOneUDPMessage(char*,
> int) () from /home/dem/playground/ParaView/**
> build/bin/../lib//libVRPlugin.**so
> #7  0x00007f404cbfca8e in vrpn_Endpoint_IP::handle_udp_**messages(timeval
> const*) () from /home/dem/playground/ParaView/**
> build/bin/../lib//libVRPlugin.**so
> #8  0x00007f404cbfb663 in vrpn_Endpoint_IP::mainloop(**timeval*) () from
> /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
> #9  0x00007f404cc019a7 in vrpn_Connection_IP::mainloop(**timeval const*)
> () from /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
> #10 0x00007f404cbf5aeb in vrpn_Button_Remote::mainloop() () from
> /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
> #11 0x00007f404cbdb38a in pqVRPNConnection::run() () from
> /home/dem/playground/ParaView/**build/bin/../lib//libVRPlugin.**so
>
> Thank you,
> best wishes,
> Christian
>
>
>
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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