VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Wed Oct 15 2014 - 10:38:47 CDT

George,
  Yes, we'll have to get you a new VMD so that it will see VRPN,
but we can help you with that once you get VRPN talking to the Falcon.
Which VRPN version are you using by the way?

Cheers,
  John

On Wed, Oct 15, 2014 at 06:34:41PM +0300, George Patargias wrote:
> Hello
>
> Thanks for your reply. The issue is that VRPN can't see the Falcon - sorry
> for not being clear. Maybe it needs a powered hub to work as Axel has
> pointed out.
>
> As far as I can tell, VMD 1.9.1 that I am currently running can see VPRN
> because when I try to create a "tug" type of tool I get the message in
> VMD terminal
>
> VRPN Error
> from Tracker0: No response from server for >= 10 seconds
>
> Best
> George
>
> > Hi,
> > VMD can't directly talk to the Falcon, instead, it communicates
> > with VRPN, and VRPN takes care of directly communicating with the
> > Falcon. From your note it wasn't entirely clear if the issue is
> > that VRPN can't see the Falcon, or if VMD can't see VRPN. If the
> > problem is that VRPN can't see the Falcon, then I will have to defer
> > to the expertise of others here that have used the VRPN servers with
> > the Falcon and see what suggestions they have.
> >
> > If the problem is that VMD can't talk to VRPN, then the most likely issue
> > is that we need to get you a VMD binary that is compiled against a newer
> > version of VRPN, because previous VMD binaries were compiled against an
> > old VRPN version that is now out of date. If this is the problem, I can
> > help you get this done, as it is on my TODO list for the new VMD 1.9.2
> > release, and it would be great to have people test it out.
> >
> > Cheers,
> > John Stone
> > vmd_at_ks.uiuc.edu
> >
> >
> > On Wed, Oct 15, 2014 at 06:07:29PM +0300, George Patargias wrote:
> >> Hello,
> >>
> >> I was wondering whether VMD can be configured to communicate with the
> >> Novint Falcon haptic if the latter is controlled with the Windows
> >> drivers
> >> provided by Novint.
> >>
> >> I have compiled and installed VRPN on my Linux desktop but for some
> >> reason
> >> the VRPN server doesn't recognize it.
> >>
> >> Thanks.
> >>
> >> George
> >>
> >>
> >> Dr. George Patargias
> >> Postdoctoral Research Fellow
> >> Biomedical Research Foundation
> >> Academy of Athens
> >> 4, Soranou Ephessiou
> >> 115 27
> >> Athens
> >> Greece
> >>
> >> Office: +302106597568
> >
> > --
> > NIH Center for Macromolecular Modeling and Bioinformatics
> > Beckman Institute for Advanced Science and Technology
> > University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> > http://www.ks.uiuc.edu/~johns/ Phone: 217-244-3349
> > http://www.ks.uiuc.edu/Research/vmd/
> >
>
>
> Dr. George Patargias
> Postdoctoral Research Fellow
> Biomedical Research Foundation
> Academy of Athens
> 4, Soranou Ephessiou
> 115 27
> Athens
> Greece
>
> Office: +302106597568 

-- 
NIH Center for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
http://www.ks.uiuc.edu/~johns/           Phone: 217-244-3349
http://www.ks.uiuc.edu/Research/vmd/