Hmm, looks alright to me. I vaguely remember there was a bug in
pressure correction which christoph fixed middle of october. How old
is your installation? An upgrade might help....

http://csg.votca.googlecode.com/hg-history/default/share/scripts/inverse/pressure_cor_simple.pl
is the newest one, you could compare with your votca installation in
<votca-path>/share/scripts/inverse/pressure_cor_simple.pl

Victor

2011/11/8 Sacha Mould <[email protected]>:
> Hi Sebastian,
>
> sure i can share my script. In this case i'm using only one type of
> bonded interaction (B-B). All the beads are the same, with the same
> mass. Here it goes the script:
>
> <cg>
>        <non-bonded>
>                <name>B-B</name>
>                <type1>B</type1>
>                <type2>B</type2>
>                <min>0</min>
>                <max>1.5</max>
>                <step>0.001</step>
>                <inverse>
>                        <target>B-B.dist.tgt</target>
>                        <do_potential>0 1 0</do_potential>
>                        <post_update>pressure</post_update>
>                        <post_update_options>
>                                <pressure>
>                                        <type>simple</type>
>                                        <do>0 0 1</do>
>                                        <simple>
>                                                <scale>0.37415295</scale>
>                                        </simple>
>                                </pressure>
>                        </post_update_options>
>                        <post_update>smooth</post_update>
>                        <post_update_options>
>                                <smooth>
>                                        <iterations>2</iterations>
>                                </smooth>
>                        </post_update_options>
>                        <post_update_options></post_update_options>
>                        <post_add>convergence</post_add>
>                        <post_add_options></post_add_options>
>                        <p_target>1</p_target>
>                        <particle_dens>3.2965079</particle_dens>
>                        <gromacs>
>                                <table>table_B_B.xvg</table>
>                        </gromacs>
>                </inverse>
>        </non-bonded>
>        <inverse>
>                <kBT>3.55861028</kBT>
>                <program>gromacs</program>
>                <gromacs>
>                        <equi_time>10</equi_time>
>                        <table_bins>0.001</table_bins>
>                        <pot_max>1000000</pot_max>
>                        <table_end>2.5</table_end>
>                        <temp_check>no</temp_check>
>                        <cutoff_check>no</cutoff_check>
>                </gromacs>
>                <filelist>grompp.mdp topol.top table.xvg table_a1.xvg 
> table_b1.xvg
> index.ndx</filelist>
>                <iterations_max>500</iterations_max>
>                <convergence_check>default</convergence_check>
>                <convergence_check_options>
>                        <limit>0.001</limit>
>                        <name_glob>*.conv</name_glob>
>                </convergence_check_options>
>                <method>ibi</method>
>                <log_file>inverse.log</log_file>
>                <restart_file>restart_points.log</restart_file>
>        </inverse>
> </cg>
>
> Thanks a lot,
>
> Sacha
>
>
>
> On Nov 8, 7:07 pm, [email protected] wrote:
>> Hi Sascha,
>>
>> if I am not mistaken, I think you have to set the pressure correction
>> for each non-bonded interaction you are using. From your output it
>> seems to work for A-A, but fail for A-B  and B-B interactions. Try to
>> set the other two as well. If it still doesent work, please share your
>> full settings.xml file with us. If what I wrote helps, it seems to be
>> indeed a bug as it should be possible to pressure correct selected
>> interactions.
>>
>> Cheers
>> Sebastian
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> > Hey Victor,
>>
>> > i put the pressure section in the <non-bonded> section of <inverse>
>> > and p_target is well written. I've tried now to run wjk pressure
>> > correction instead... same problem... but the strange thing is that
>> > when i set wjk votca tries to run 'pressure_cor_simple.pl' instead of
>> > 'pressure_cor_wjk.pl':
>>
>> > Energy                      Average   Err.Est.       RMSD  Tot-Drift
>> > -------------------------------------------------------------------------------
>> > Pressure                     169.74       0.51    57.1507    1.25074
>> > (bar)
>> > New pressure 169.74
>> > an error occurred:
>> > property not found: pressure
>> > an error occurred:
>> > property not found: pressure
>> > Apply simple pressure correction for interaction B-B
>> > Running subscript 'pressure_cor_simple.pl 169.74 B-
>> > B.pressure_correction'(from tags pressure_cor simple)
>> > csg_get_interaction_property: csg_property failed on getting value
>> > inverse.post_update_options.pressure.simple.scale and no default given
>> > ##########################################################################################################################################################################
>> > #
>> > #
>> > #
>> > ERROR:
>> > #
>> > # do_external: subscript /home/lusiterrae/votca/share/votca/scripts/
>> > inverse/pressure_cor_simple.pl 169.74 B-B.pressure_correction (from
>> > tags pressure_cor simple) failed #
>> > #
>> > #
>> > ######################################################################################################################
>>
>> > I'm using Votca last release.
>>
>> > Is there any possibility of being a bug?
>>
>> > Many regards,
>>
>> > Sacha
>>
>> > On Nov 8, 4:02 pm, Victor Ruehle <[email protected]> wrote:
>> >> Hey,
>>
>> >> hmm, error message seems a bit misleading here. Did you put it in the
>> >> sub tag <inverse> in non-bonded? so full path is
>> >> cg.non-bonded.inverse.post_update_options.pressure.simple.scale
>> >> and
>> >> cg.non-bonded.inverse.p_target
>>
>> >> be aware the _, not - in p_target
>>
>> >> Best,
>> >> Victor
>>
>> >> 2011/11/8 Sacha Mould <[email protected]>:
>>
>> >> > Hi all,
>>
>> >> > i'm trying to use simple pressure correction on my coarse-grained
>> >> > simulation but it seems that i'm having some troubles to set it up.
>> >> > After the first IBI iteration while votca is doing the post-updates
>> >> > and error appears. This is what is written on the last lines of the
>> >> > log file:
>>
>> >> > Energy                      Average   Err.Est.       RMSD  Tot-Drift
>>
>> >> -------------------------------------------------------------------------------
>> >> > Pressure                    168.538        1.5    58.0002  -0.923779
>> >> > (bar)
>> >> > New pressure 168.538
>> >> > an error occurred:
>> >> > property not found: pressure
>> >> > an error occurred:
>> >> > property not found: pressure
>> >> > Apply simple pressure correction for interaction B-B
>> >> > Running subscript 'pressure_cor_simple.pl 168.538 B-
>> >> > B.pressure_correction'(from tags pressure_cor simple)
>> >> > csg_get_interaction_property: csg_property failed on getting value
>> >> > inverse.post_update_options.pressure.simple.scale and no default given
>>
>> >> ###########################################################################################################################################################################
>> >> > #
>> >> > #
>> >> > #
>> >> > ERROR:
>> >> > #
>> >> > # do_external: subscript /home/lusiterrae/votca/share/votca/scripts/
>> >> > inverse/pressure_cor_simple.pl 168.538 B-B.pressure_correction (from
>> >> > tags pressure_cor simple) failed #
>> >> > #
>> >> > #
>>
>> >> ###########################################################################################################################################################################
>>
>> >> > On the non-bonded interaction section of the settings file i'm
>> >> > assigning:
>>
>> >> >                        <post_update>pressure</post_update>
>> >> >                        <post_update_options>
>> >> >                                <pressure>
>> >> >                                        <type>simple</type>
>> >> >                                        <do>0 0 1</do>
>> >> >                                        <simple>
>> >> >                                                <scale>0.35586102</scale>
>> >> >                                        </simple>
>> >> >                                </pressure>
>> >> >                        </post_update_options>
>>
>> >> > In addition, i'm assigning <p-target>1</p-target>.
>>
>> >> > I wonder what could be missing???
>>
>> >> > Thanks a lot in advance.
>>
>> >> > Sacha
>>
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