Shaghayegh Vafaei wrote:
Hi all,
I was wondering if somebody has worked or used the xdrf Fortran program in order
to read the coordinates from a .xtc file. There are 6 errors after compiling
the program . The subroutines are not included there and I couldn't find them
in the links -> http://hpcv100.rc.rug.nl/xdrf.html ,
http://hpcv100.rc.rug.nl/xdrfman.html .
I am simulating a solution in a confinement between two parallel walls and I
want to check how many molecules are adsorbed to the walls. Therefore, I am
trying to write a program to keep track of the molecules coordinates.
Has anybody done something like this before? Did anybody use g_traj to read the
coordinates? I can't understand what has been plotted, although I tried to plot
z-component but the result of z-component is the same as that of x-component.
If you read g_traj -h, then you'll have a better idea about why it isn't
suitable.
If you're looking to count the number of molecules adsorbed on another
group, g_mindist will probably work for you. Define a group for the wall
and each relevant molecule as a group.
If you're really desperate to write your own code, I suggest using
GROMACS trajectory-reading machinery. Look inside src/contrib/README.
Choose the analysis program that seems closest to what you want to do,
copy relevant bits to src/contrib and modify that, rather than engineer
from the ground up. Read the manual chapter 8 to find out what all the
analysis programs do, then look for more detail with "g_xxxx -h" or "man
g_xxxx" or further in the manual.
MArk
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