On 22/04/2010 7:11 PM, Chandan Choudhury wrote:
Hi gmx users !!
I want to read the trajectory file (*.trr ), produced as a result of
mdrun. I came to know that a file template.c already exists to facilate
my process. I could compile and execute the template.c. Like
printf("Atom name: %s\n",*(top.atoms.atomname[n]));
printf("Atom charge: %f\n",top.atoms.atom[n].q);
produces the Atom Name and the corresponding partial charges.
respectively. I could also print the x, y, z coordinate for each frame
present in the trr file.
What am I looking for is, how can I print the Atom number, Residue
They're probably also in the same data structure above - called "top".
Search for its definition, and if necessary for the code where it is
instantiated and filled with data.
name, residue number? I was unable to find it in the program template.c.
Sure - it's a template. It doesn't relieve you of the need to search the
codebase for actual information. :-)
I would also like to know how do you prompt -s / -f / -n etc. option
during executing gmx commands?
I'm not sure what you mean by "prompt". Pick a GROMACS tool that does
something similar to what you want, use a debugger to step through it to
see how the code works, then use that information to modify an existing
tool, or create your own copying and pasting useful bits.
Mark
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