Re: [gmx-users] XRAMA\environment variable\

2006-12-14 Thread David van der Spoel
Bio wrote: Hello sapiens, Thanks for ur previous suggestions. While we are trying to view ramachandran movie through xrama, we have got error as can't open display, set your DISPLAY environment variable.Let us come to know how to fix this problem.we are running GROMACS in winXP with cygwin. T

Re: [gmx-users] problem with genbox

2006-12-14 Thread David van der Spoel
Li, Yun wrote: Thanks for getting back to me so quickly. I am following this tutorial: http://www.dddc.ac.cn/embo04/practicals/9_14_1.htm It seems to be very straight forward. However, I can't overcome my problem. Here is the output from genbox: :-) G R O M A C

[gmx-users] XRAMA\environment variable\

2006-12-14 Thread Bio
Hello sapiens, Thanks for ur previous suggestions. While we are trying to view ramachandran movie through xrama, we have got error as can't open display, set your DISPLAY environment variable.Let us come to know how to fix this problem.we are running GROMACS in winXP with cygwin. Thank You, Reg

RE: [gmx-users] problem with genbox

2006-12-14 Thread Li, Yun
Thanks for getting back to me so quickly. I am following this tutorial: http://www.dddc.ac.cn/embo04/practicals/9_14_1.htm It seems to be very straight forward. However, I can't overcome my problem. Here is the output from genbox: :-) G R O M A C S (-:

Re: [gmx-users] problem with genbox

2006-12-14 Thread Mark Abraham
Li, Yun wrote: Hi, I was very excited to discover Gromacs and decided to learn by following a few tutorials I found online. However, I ran into a problem: After filling up the simulation box with SPC water using genbox, the program backed up the topology file into another file with its nam

Re: [gmx-users] PME error in gromacs-3.3.1

2006-12-14 Thread Mark Abraham
Yuhui Li wrote: Hi, all I installed gromacs-3.3.1 recently and tested a system consisting only thress water molecules. When I use coulombtype = Cut-off, it works well, but if I use coulombtype = PME, there was a segmentation fault. I have checked the maillist archives and found that some peop

Re: [gmx-users] PME error in gromacs-3.3.1

2006-12-14 Thread Mark Abraham
Yuhui Li wrote: Hi, all I installed gromacs-3.3.1 recently and tested a system consisting only thress water molecules. When I use coulombtype = Cut-off, it works well, but if I use coulombtype = PME, there was a segmentation fault. I have checked the maillist archives and found that some peop

[gmx-users] problem with genbox

2006-12-14 Thread Li, Yun
Hi, I was very excited to discover Gromacs and decided to learn by following a few tutorials I found online. However, I ran into a problem: After filling up the simulation box with SPC water using genbox, the program backed up the topology file into another file with its name flanked by #, and

[gmx-users] PME error in gromacs-3.3.1

2006-12-14 Thread Yuhui Li
Hi, all I installed gromacs-3.3.1 recently and tested a system consisting only thress water molecules. When I use coulombtype = Cut-off, it works well, but if I use coulombtype = PME, there was a segmentation fault. I have checked the maillist archives and found that some people had the same prob

Re: [gmx-users] Dipolar correlation function

2006-12-14 Thread chiradip chatterjee
Hi David Thanks for your reply. I want to calculate dipolar corelation function C(t) between proton and fluorine using the equation: C(t) = 1/4Σ[(3cos2θ(0)-1 )(3cos2θ(t)-1 )]/r(0)r3(t) (ref Fellar et al, JACS 121, 8963-64, 1999) where I have a proton i and total n fluorines. At time = 0, a prot

[gmx-users] Re: free energy calculation & TI

2006-12-14 Thread David Mobley
Anirban and all, I am putting this on list since I don't want to make a full-time job out of answering free energy questions (although stay tuned for a more extensive tutorial) and hopefully I can avoid answering the same question more than once. I have seen your posts on gromacs mailing list r

[gmx-users] How to implement dihedral restraints

2006-12-14 Thread chris . neale
I am not sure what you are asking since I believe that I have already given you this answer on the gromacs mailing list. http://www.gromacs.org/pipermail/gmx-users/2006-December/025087.html I certainly do not mind personal emails and I am happy to help, but there are three very good reasons

Re: [gmx-users] error after genion

2006-12-14 Thread Tsjerk Wassenaar
Hi Carsten, You've included "ions.itp" twice... Note that this has crossed the mailing list recently and you could've found the answer by searching the archive. Tsjerk On 12/14/06, Carsten Baldauf <[EMAIL PROTECTED]> wrote: after i added ions using genion i get this error when i try to run gro

[gmx-users] error after genion

2006-12-14 Thread Carsten Baldauf
after i added ions using genion i get this error when i try to run grompp again: Generated 165 of the 1596 non-bonded parameter combinations Cleaning up temporary file grompphYfrXb --- Program grompp, VERSION 3.3.1 Source code file: toppush.c, l