[gmx-users] Making trajectory movie last longer.

[Johnny Lu]

and then, use a video capture tool to capture the video played at 1/4 speed?


On Wed, Sep 3, 2014 at 10:27 AM, Johnny Lu <johnny.lu128 at gmail.com> wrote:

> is it possible to play the movie slower? Like at 1/4 speed? I don't know
> if vlc or windows media player supports that.
>
>
> On Wed, Sep 3, 2014 at 9:45 AM, Dawid das <addiw7 at googlemail.com> wrote:
>
>> No, I don't mean noise :).
>>
>> What I mean is that next frame appears on the screen before I can take a
>> good look at previous one.
>> So imagine that you make a presentation and you change each slide after
>> 0.1 s. You can't have a
>> good look at it so let's say I need 2 s to have a good look.
>>
>> I hope now you understand better what I mean.
>>
>>
>> 2014-09-03 14:41 GMT+01:00 andrea <andrea.spitaleri at iit.it>:
>>
>> > Hi,
>> > when you say "too quickly" are you referring to the "noise" I guess.
>> > If it is the case, you could try to filter you xtc either with g_filter
>> in
>> > order to reduce the fluctuactions or in vmd itself you can smooth the
>> xtc
>> > in the graphical representations -> trajectory tab -> trajectory
>> smooting
>> > (2 or 3 should be enough)
>> >
>> > hope it helps
>> >
>> > and
>> >
>> >
>> >
>> > On 03/09/2014 15:35, Dawid das wrote:
>> >
>> >> Dear Gromacs experts,
>> >>
>> >> I have a question not regarding Gromacs itself but maybe you found a
>> >> solution.
>> >>
>> >> I have already solved this problem but not for GROMACS files.
>> >> I want to make a trajectory movie using VMD, but following frames
>> appear
>> >> too quickly and it is very hard to actually see and analyze how
>> >> chromophore
>> >> structure changes over time. So I want to make the movie last longer
>> and
>> >> the frames to be be displayed for a longer timer.
>> >>
>> >> I did it for Tinker trajectory snapshots by uploading the same
>> snapshot 5
>> >> or 7 times but how to do it with *gro and *trr files from Gromacs?
>> >>
>> >> Best wishes,
>> >> Dawid Grabarek
>> >>
>> >> PS Maybe you suggest to use different prorgram?
>> >>
>> >
>> > --
>> > -------------------------------------------------------
>> > Andrea Spitaleri PhD
>> > Principal Investigator AIRC
>> > D3 - Drug Discovery & Development
>> > Istituto Italiano di Tecnologia
>> > Via Morego, 30 16163 Genova
>> > cell: +39 3485188790
>> > http://www.iit.it/en/d3-people/andrea-spitaleri.html
>> > ORCID: http://orcid.org/0000-0003-3012-3557
>> >
>> > --
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