On Tue, May 8, 2018 at 8:15 AM,  <jjbm.resea...@gmail.com> wrote:
> Dear all,
>
> I am learning to use VOTCA with LAMMPS and the IBI method, and have
> successfully tested the spce example and coarse-grained a monoatomic
> material.
>
> Now, I am trying to make a dodecane chain model of structure A-B-B-A, and
> using the hexane example as a reference to create the setting, mapping and
> topology files. The LAMMPS files for the coarse-grained dodecane have been
> tested and work fine. Actually, I am getting errors just after the LAMMPS
> run of the first iteration. These errors are related to the topology file
> topol.top. In first place, the error was related to the absence of this file
> (not needed in the monoatomic case), and now that I am using an adaptation
> of the hexane's topol.top file, it is the format to blame according to
> inverse.log:
>
> Calculating rdfs with csg_stat using 8 tasks
> Running critical command 'csg_stat --nt 8 --options
> /home/jjbm/Documents/Molecules/Topologies/SimpleExamples/Dodecane/CG_Dodecane/cg_450K/test_nononbonded/settings.xml
> --top topol.top --trj traj.dump --begin 0 --$
> begin to calculate distribution functions
> # of bonded interactions: 0
> # of non-bonded interactions: 3
> an error occurred:
> input format not supported: topol.top
>
> Callstack:
> ~/share/votca/scripts/inverse/inverse.sh - linenumber 264
>     do_external - linenumber 176 in
> ~/share/votca/scripts/inverse/functions_common.sh
>         ~/share/votca/scripts/inverse/update_ibi.sh - linenumber 31
>             for_all - linenumber 22 (see 'csg_call --cat function for_all')
>                     do_external - linenumber 19 (see 'csg_call --cat
> function do_external')
>                        ~/share/votca/scripts/inverse/calc_rdf_generic.sh -
> linenumber 79
>                             critical - linenumber 4 (see 'csg_call --cat
> function critical')
>                                 die - linenumber 2 (see 'csg_call --cat
> function die')
> ####################################################################################################################################################################################################################$
> #
> $
> # ERROR:
> $
> # critical: 'csg_stat --nt 8 --options /test_nononbonded/settings.xml --top
> topol.top --trj traj.dump --begin 0 --first-frame 0$
> # For details see the logfile /test_nononbonded/inverse.log
> $
> #
> $
> ####################################################################################################################################################################################################################$
> die: (called from 9953)  CSG_MASTER_PID is 6366
> die: pids to kill: 0
>
> Attached are the three files corresponding to this molecule. Since I have
> never used GROMACS, I am not sure what I am doing wrong there. Any help?
Yeah, you have to run convert the top file into a binary topology file
tpr first using "gmx grompp".
VOTCA only supports reading the tpr file, but not the top file as the
latter doesn't contain the full information.

Christoph
>
> Thanks in advance,
> Kind regards
>
> --
> You received this message because you are subscribed to the Google Groups
> "votca" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to votca+unsubscr...@googlegroups.com.
> To post to this group, send email to votca@googlegroups.com.
> Visit this group at https://groups.google.com/group/votca.
> For more options, visit https://groups.google.com/d/optout.



-- 
Christoph Junghans
Web: http://www.compphys.de

-- 
You received this message because you are subscribed to the Google Groups 
"votca" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to votca+unsubscr...@googlegroups.com.
To post to this group, send email to votca@googlegroups.com.
Visit this group at https://groups.google.com/group/votca.
For more options, visit https://groups.google.com/d/optout.

Reply via email to