VMD-L Mailing List

From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Wed May 06 2015 - 15:31:18 CDT

On Wed, May 6, 2015 at 4:28 PM, Gabrielle Garcia
<gm.rodriguez08_at_gmail.com> wrote:
> There are no error messages in the VMD console, nor is there any indication
> that VMD was not able to load my trajectory.
> All atoms were read and all frames were loaded.. The OpenGL frame freezes
> with the VMD logo (instead of it bouncing around). I will wait to see if
> anyone else has had a similar experience.

that sounds almost like a bug in the OpenGL driver. apple doesn't have
a good track record recently with the graphics drivers shipped with
macosx.

axel.

>
> Thanks,
>
> Gabrielle
>
> On May 6, 2015, at 1:17 PM, Axel Kohlmeyer <akohlmey_at_gmail.com> wrote:
>
> On Wed, May 6, 2015 at 4:12 PM, Gabrielle Garcia
> <gm.rodriguez08_at_gmail.com> wrote:
>
> Hi Dr. Kohlmeyer,
>
> Thank you for your response.. Yes, I do have netCDF capability. (positive
> number returned).
> However, my when my trajectory loads into the VMD console, there is nothing
> in the openGL screen. It is just the VMD logo on display.
> When I open the same trajectory on my Linux machine in lab, it comes up and
> loads all frames immediately.
>
> I’m not sure if there’s a specific setting to look for.
>
>
> i don't know either. there either has to be some error message
> somewhere or you should at the very least see in the VMD Main window
> information about the trajectory file and how many frames were loaded.
> i don't know the details of all the steps you perform and whether all
> library and software versions are comparable to your linux version.
>
> perhaps your files were not properly transferred (as text and not
> binary files) or got otherwise corrupted?
>
> axel.
>
>
>
> Gabrielle
>
>
> On May 6, 2015, at 12:53 PM, Axel Kohlmeyer <akohlmey_at_gmail.com> wrote:
>
> On Wed, May 6, 2015 at 2:44 PM, Gabrielle Garcia
> <gm.rodriguez08_at_gmail.com> wrote:
>
> Hi everyone,
>
> I have VMD 1.9.2 (without CUDA) downloaded on my MacBook Pro (w/Retina
> display).
> I am having trouble bringing up my .nc trajectory in VMD. I confirmed that
> the files work with my linux machine at work.. but they won’t display on my
> MacBook. Is there a way to visualize my netCDF trajectories on my MacBook
> even without GPU?
>
>
> netCDF support is independent of GPU support. support for netCDF
> format data requires that a plugin is installed which requires support
> from an external library. not all external library work equally well
> on all platforms and hence some plugins and features in VMD are not
> available on all platforms.
>
> you can easily check whether suitable plugin support is available by
> running the following command on the VMD console:
>
> lsearch -index 1 [plugin list] netcdf
>
> if this returns a positive number, then netcdf support is available,
> if it returns -1 then the plugin has not been compiled/packages for
> that specific VMD version.
>
> axel.
>
>
> Thanks,
>
> Gabrielle
>
>
>
>
> --
> Dr. Axel Kohlmeyer akohlmey_at_gmail.com http://goo.gl/1wk0
> College of Science & Technology, Temple University, Philadelphia PA, USA
> International Centre for Theoretical Physics, Trieste. Italy.
>
>
>
>
>
> --
> Dr. Axel Kohlmeyer akohlmey_at_gmail.com http://goo.gl/1wk0
> College of Science & Technology, Temple University, Philadelphia PA, USA
> International Centre for Theoretical Physics, Trieste. Italy.
>
> 

-- 
Dr. Axel Kohlmeyer  akohlmey_at_gmail.com  http://goo.gl/1wk0
College of Science & Technology, Temple University, Philadelphia PA, USA
International Centre for Theoretical Physics, Trieste. Italy.