[gmx-users] The octahedron problem

2015-05-19 Thread Vy Phan
Dear Gromacs Users,
I have the problem with generating the octahedron box.  I always get the
rectangular box (using VMD)
When I searched on the gmx maillist, I saw some people met same problem.
Is problem is normal in gromacs?

After run simulation, I can display the trajectory on VMD by using the
command trjconv -pbc mol -ur compact for converting the system. But I can
not display the octahedron box after solvated system.

Could someone help me ?

Tuong Vy
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Re: [gmx-users] The octahedron problem

2015-05-19 Thread Tsjerk Wassenaar
Hi Tuong Vy,

An octahedral or dodecahedral box is pretty tricky. I have a Pymol script
for generating them, but it will probably require some more work...

Cheers,

Tsjerk
On May 19, 2015 13:18, "Vy Phan"  wrote:

> Dear Gromacs Users,
> I have the problem with generating the octahedron box.  I always get the
> rectangular box (using VMD)
> When I searched on the gmx maillist, I saw some people met same problem.
> Is problem is normal in gromacs?
>
> After run simulation, I can display the trajectory on VMD by using the
> command trjconv -pbc mol -ur compact for converting the system. But I can
> not display the octahedron box after solvated system.
>
> Could someone help me ?
>
> Tuong Vy
> --
> Gromacs Users mailing list
>
> * Please search the archive at
> http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before
> posting!
>
> * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
>
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> https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or
> send a mail to gmx-users-requ...@gromacs.org.
>
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Re: [gmx-users] The octahedron problem

2015-05-19 Thread Barnett, James W
>I have the problem with generating the octahedron box.  I always get the
rectangular box (using VMD)

That's normal and not a problem:

"any periodic cell shape can be expressed as a parallelepiped (a.k.a. triclinic 
cell), and GROMACS does so internally regardless of the initial shape of the 
box."
http://www.gromacs.org/Documentation/Terminology/Periodic_Boundary_Conditions



--
James "Wes" Barnett
Ph.D. Candidate
Chemical and Biomolecular Engineering

Tulane University
Boggs Center for Energy and Biotechnology, Room 341-B
New Orleans, Louisiana 70118
jbarn...@tulane.edu​
LinkedIn​​



From: gromacs.org_gmx-users-boun...@maillist.sys.kth.se 
 on behalf of Vy Phan 

Sent: Tuesday, May 19, 2015 6:18 AM
To: gromacs.org_gmx-users@maillist.sys.kth.se
Subject: [gmx-users] The octahedron problem

Dear Gromacs Users,
I have the problem with generating the octahedron box.  I always get the
rectangular box (using VMD)
When I searched on the gmx maillist, I saw some people met same problem.
Is problem is normal in gromacs?

After run simulation, I can display the trajectory on VMD by using the
command trjconv -pbc mol -ur compact for converting the system. But I can
not display the octahedron box after solvated system.

Could someone help me ?

Tuong Vy
--
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Re: [gmx-users] The octahedron problem

2015-05-19 Thread Vy Phan
Dear Tsjerk Wassenaar
Can I display it on the VMD ?
Thank a lot
Tuong Vy

2015-05-19 20:22 GMT+09:00 Tsjerk Wassenaar :

> Hi Tuong Vy,
>
> An octahedral or dodecahedral box is pretty tricky. I have a Pymol script
> for generating them, but it will probably require some more work...
>
> Cheers,
>
> Tsjerk
> On May 19, 2015 13:18, "Vy Phan"  wrote:
>
> > Dear Gromacs Users,
> > I have the problem with generating the octahedron box.  I always get the
> > rectangular box (using VMD)
> > When I searched on the gmx maillist, I saw some people met same problem.
> > Is problem is normal in gromacs?
> >
> > After run simulation, I can display the trajectory on VMD by using the
> > command trjconv -pbc mol -ur compact for converting the system. But I can
> > not display the octahedron box after solvated system.
> >
> > Could someone help me ?
> >
> > Tuong Vy
> > --
> > Gromacs Users mailing list
> >
> > * Please search the archive at
> > http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before
> > posting!
> >
> > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
> >
> > * For (un)subscribe requests visit
> > https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or
> > send a mail to gmx-users-requ...@gromacs.org.
> >
> --
> Gromacs Users mailing list
>
> * Please search the archive at
> http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before
> posting!
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> * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
>
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>
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Re: [gmx-users] The octahedron problem

2015-05-19 Thread Tsjerk Wassenaar
Hi Tuong Vy,

No, it uses Pymol CGO to draw the cell. I think that won't work in VMD.

Cheers,

Tsjerk
On May 19, 2015 15:28, "Vy Phan"  wrote:

> Dear Tsjerk Wassenaar
> Can I display it on the VMD ?
> Thank a lot
> Tuong Vy
>
> 2015-05-19 20:22 GMT+09:00 Tsjerk Wassenaar :
>
> > Hi Tuong Vy,
> >
> > An octahedral or dodecahedral box is pretty tricky. I have a Pymol script
> > for generating them, but it will probably require some more work...
> >
> > Cheers,
> >
> > Tsjerk
> > On May 19, 2015 13:18, "Vy Phan"  wrote:
> >
> > > Dear Gromacs Users,
> > > I have the problem with generating the octahedron box.  I always get
> the
> > > rectangular box (using VMD)
> > > When I searched on the gmx maillist, I saw some people met same
> problem.
> > > Is problem is normal in gromacs?
> > >
> > > After run simulation, I can display the trajectory on VMD by using the
> > > command trjconv -pbc mol -ur compact for converting the system. But I
> can
> > > not display the octahedron box after solvated system.
> > >
> > > Could someone help me ?
> > >
> > > Tuong Vy
> > > --
> > > Gromacs Users mailing list
> > >
> > > * Please search the archive at
> > > http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before
> > > posting!
> > >
> > > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
> > >
> > > * For (un)subscribe requests visit
> > > https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or
> > > send a mail to gmx-users-requ...@gromacs.org.
> > >
> > --
> > Gromacs Users mailing list
> >
> > * Please search the archive at
> > http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before
> > posting!
> >
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> >
> > * For (un)subscribe requests visit
> > https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or
> > send a mail to gmx-users-requ...@gromacs.org.
> >
> --
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>
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