VMD-L Mailing List

From: RABIUL ISLAM (rblam65_at_gmail.com)
Date: Sat Aug 04 2018 - 07:23:56 CDT

Hi John,

I have tried to install the VMD 1.9.4 in my system ( windows 10 on i3-4030U
with no external graphics dedicated memory). But it is not there for
windows 10. So what can be done, please let me know. I will wait for
response.

On Fri, Aug 3, 2018 at 8:02 PM, Peter Kroon <p.c.kroon_at_rug.nl> wrote:

> Hi John,
>
>
> I'll have a look, but my holidays are starting tomorrow, so it'll take a
> few weeks before I get back to you.
>
>
> Peter
>
>
> On 03-08-18 15:30, John Stone wrote:
> > Peter,
> > Try the test version of VMD 1.9.4 and let me know if you still
> > observe the same phenomena.
> >
> > Best,
> > John
> >
> > On Fri, Aug 03, 2018 at 11:17:28AM +0200, Peter Kroon wrote:
> >> Hi John,
> >>
> >>
> >> no worries, well deserved holidays (and conferences) get priority :)
> >>
> >> The TachyonInternal does handle DoF correctly (other than the inversion
> >> of dof_fnumber). But the problem I have there is that I can't simply
> >> tell it to make an image at a resolution of 3kx4k.
> >>
> >> Scene generation for Tachyon external does work (mostly), but the
> >> external Tachyon seems to ignore the FocalLength parameter.
> >>
> >>
> >> Which VMD test version are you referring to exactly? I'm running 1.9.3
> >> at the moment.
> >>
> >>
> >> Peter
> >>
> >>
> >> On 02-08-18 18:58, John Stone wrote:
> >>> Hi,
> >>> Sorry for the slow response, I'm still digging out of a pile of
> emails
> >>> that accumulated while I was away from the office for a few weeks.
> >>> Did you try using the built-in version of Tachyon I ship with VMD
> itself?
> >>>
> >>> Tachyon always had DoF, but the parameterization has changed somewhat
> from
> >>> the old versions to now, and the way VMD talks to Tachyon has changed
> also.
> >>>
> >>> I haven't made the bleeding edge version of the Tachyon code available
> yet
> >>> because I've been revising its API to allow it to support interactive
> ray
> >>> tracing for machines that lack GPUs, and that aren't supported by
> OSPRay.
> >>>
> >>> If you have a problem that crops up with the test VMD build (and its
> built-in
> >>> version of Tachyon) on the web site, then let me know and I will
> address it.
> >>> If TachyonInternal works but the external does not, that may be a scene
> >>> file generation issue (two different code paths). In any case, it
> should
> >>> be easy to resolve any loose ends that may arise here.
> >>>
> >>> Best,
> >>> John
> >>>
> >>> On Wed, Aug 01, 2018 at 10:48:45AM +0200, Peter Kroon wrote:
> >>>> Hi all!
> >>>>
> >>>> I sent this mail earlier, but I think it got buried in everyone's
> >>>> holidays. Does anyone who's just come back from their well-earned
> >>>> holidays and conferences have any insights?
> >>>>
> >>>>
> >>>> Peter
> >>>>
> >>>>
> >>>> On 09-07-18 16:36, Peter Kroon wrote:
> >>>>> Hello world!
> >>>>>
> >>>>>
> >>>>> I would like to turn a VMD scene into a pretty picture. I want this
> >>>>> picture to be high resolution (~3315x4000px), and using AO and Depth
> of
> >>>>> Field. I have tried the following, continually running into issues:
> >>>>>
> >>>>> 1) Use Tachyon-OptiX: I can't put the desired resolution. If I do, it
> >>>>> fails immediately with a memory error. See also
> >>>>> http://www.ks.uiuc.edu/Research/vmd/mailing_list/vmd-l/27940.html
> >>>>>
> >>>>> 2) Use Tachyon internal: Creates a super fuzzy picture, probably
> because
> >>>>> the meaning of 'Aperture' changed from 'x' to '1/x'.
> >>>>>
> >>>>> 3) Use external Tachyon renderer: If I fix the 'Aperture'; and
> changing
> >>>>> FocalDist to FocalLength I *almost* get the picture I want, but it
> seems
> >>>>> the FocalLength option is simply ignored (see also
> >>>>> http://www.ks.uiuc.edu/Research/vmd/mailing_list/vmd-l/15285.html).
> This
> >>>>> happens with both 0.98.9 and 0.99b6.
> >>>>>
> >>>>> Does anyone have anything else I can try? I build all the software
> from
> >>>>> source, in case it matters.
> >>>>>
> >>>>>
> >>>>> Peter
> >>>>>
> >>>
> >>
> >
> >
>
>
> 

-- 
Thanks and Regards
Md Rabiul Islam
Junior Research Fellow
Prof. T Pradeep's Group
DST Unit of Nanoscience
Dept. of Chemistry
IIT Madras, Chennai-36
Ph:  9444629520