Hi David.

I would say the .top files. .tpr are not of interest in this point, extra
and unnecessary information (at least, I expect).

I would prefer this in fortran if possible, cause it would more easy for me
to manage. But I don't expect it exists.

About the gromacs C files involved: which ones should I look at?

Sorry for not making myself clear in the previous message.

Thanks a lot in advance,

Jones

On 3/24/07, David van der Spoel <[EMAIL PROTECTED]> wrote:

Jones de Andrade wrote:
> Hi all!
>
> About the "same" subject... Does anybody ever tried to read the topology
> files from gromacs within fortran?
top or tpr? The latter is out of the question I'd say.

>
> I would accept some C routines for this if necessary... :)

these are in the code of course, but you basically have to link to the
gromacs library.

>
> Thanks a lot,
>
> Jones
>
> On 3/24/07, *Tsjerk Wassenaar* <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Hi Gurpreet,
>
>     Try to get your hands on the original CONCOORD source code
>     (http://www.mpibpc.gwdg.de/groups/de_groot/concoord/ ; version 1.2
>     will do). It is written in fortran, and includes the routines to
read
>     and write xtc files.
>
>     Best,
>
>     Tsjerk
>
>     On 3/24/07, singh <[EMAIL PROTECTED]
>     <mailto:[EMAIL PROTECTED]>> wrote:
>      >
>      >
>      >
>      >
>      > Dear Gromacs users,
>      >
>      >
>      >
>      > I am trying to read and write xtc files in fortran . Firstly, I
>     couldn't
>      > find the file in source directory
>      > $(GMXHOME)/src/gmxlib/testxtcf.f  in gromacs-3.3.1 as
>      > mentioned on
>      >
http://www.gromacs.org/documentation/reference_3.3/online/xtc.html.
>      > Even if i copy the code and compile it using the linker options
>     mentioned on
>      > the page, I get the following error
>      >
>      >
>      >
>      > In file test.f:12
>      >
>      > 10   call readxtc(xd,natoms,step,time,box,x,prec,ret)
>      >
>      >   1
>      >
>      > Warning: Label 10 at (1) defined but not used
>      >
>      > /usr/bin/ld: cannot find -lxtcf
>      >
>      > collect2: ld returned 1 exit status
>      >
>      > make: *** [test] Error 1
>      >
>      >
>      >
>      > Any help is appreciated.
>      >
>      >
>      >
>      > With Regards,
>      >
>      > Gurpreet Singh
>      >
>      >
>      >
>      > -------------------------------------------------
>      >
>      > University of Dortmund
>      >  Department of Chemistry
>      >  Physical Chemistry I  -  Biophysical Chemistry
>      >  Otto-Hahn Str. 6
>      >  D-44227 Dortmund
>      >  Germany
>      >  Office:   C1-06 room 176
>      >  Phone:  +49 231 755 3916
>      >
>      > Fax:     +49 231 755 3901
>      >
>      > -------------------------------------------------
>      >
>      >
>      > _______________________________________________
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>
>     --
>     Tsjerk A. Wassenaar, Ph.D.
>     Junior UD (post-doc)
>     Biomolecular NMR, Bijvoet Center
>     Utrecht University
>     Padualaan 8
>     3584 CH Utrecht
>     The Netherlands
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--
David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,          75124 Uppsala, Sweden
phone:  46 18 471 4205          fax: 46 18 511 755
[EMAIL PROTECTED]    [EMAIL PROTECTED]   http://folding.bmc.uu.se
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