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[netCDF #HRQ-547855]: Re: geogrid.exe does not seem to update dy of namelist.wps

Hello Ashwin,

The changes should be flushed automatically; can you provide a test program 
which demonstrates the issue? It can be a fairly simple program; once I can 
observe the issue I should be able to debug it.   

Thanks, have a great day,

-Ward

> When I was first trying to install WPS on Ubuntu 12.04 with gfortran and
> netcdf-4.3.2 and necdf-fortran-4.4.0 I got this error when running
> ./configure after running ./clean -a.
> 
> Your FORTRAN +NETCDF did not run successfully.
> 
> http://mailman.ucar.edu/pipermail/wrf-users/2014/003606.html
> 
> I did not get a response to this message as I thought it to be trivial. But
> in light of this geogrid.exe problem maybe it is important to fix this
> problem first. As I mentioned in that note both netcdf-4.3.2 and
> netcdf-fortran-4.4.0 compiled without any errors.
> 
> 
> 
> 
> 
> On Wed, Aug 20, 2014 at 11:06 AM, ashwinD12 . <address@hidden> wrote:
> 
> > Hello WRFHelp,
> >                         I believe I have narrowed down the scope of
> > the error. What it appears to be doing is that it is copying the value
> > of dx to dy since I believe the program believes dy is  null. It is
> > basically ignoring the values of dy completely. So either this is a
> > problem in the syntax of namelist.wps (is it free form or does it
> > require a particular syntax such as spaces, commas ? )
> >
> > If you can guide me on the source file that writes out the .nc file I
> > can put print statements  for the dy values and bring this to  a
> > successful closure. I presume it is in the output_module.f90 file ? I
> > note it has  a debug module. Question is how to invoke it ?
> > Regards,
> > Ashwin.
> >
> > On 8/19/14, WRFHELP <address@hidden> wrote:
> > > Ashwin,
> > >
> > > I cannot repeat your errors here in NCAR.  I also don't think it is a
> > > problem in netCDF interface. If we change dx and dy in namelist.wps, the
> > > results definitely will change accordingly.  I am confused by the errors
> > > you encounter.
> > >
> > > On 8/19/14 6:10 AM, ashwinD12 . wrote:
> > >> I switched OS to CYGWIN where I have an alternate WRF installation and
> > >> tried doing the same thing. The same issue is reproducible over there
> > >> as well. The log file is fine but the netcdf output is basically
> > >> wrong. I do not know how the module output_module.f90 calls the NETCDF
> > >> interface but somewhere the link is broken. This is NOT really a show
> > >> stopper as there is a workaround. I need to change DX _AND_ DY to make
> > >> sure NETCDF picks up the change but this is a bit of an annoyance as
> > >> if I fail to  do that then real.exe complains of the difference in
> > >> namelist.wps and namelist.input.
> > >>
> > >>
> > >>
> > >> Regards,
> > >> Ashwin.
> > >>
> > >>
> > >> On Tue, Aug 19, 2014 at 11:13 AM, ashwinD12 . <address@hidden
> > >> <mailto:address@hidden>> wrote:
> > >>
> > >>     Hello it goes without a saying that I have run geogrid.exe after
> > >>     changing namelist.WPS
> > >>     The geogrid.log file does record the change and maybe the problem
> > >>     is with the netcdf function call that is writing it out to disk ?
> > >>     It is caching something ? Or maybe it is an OS fault ?
> > >>     Is there any way I can debug this further and get back to you ?
> > >>
> > >>     I am on Ubuntu 12.04 with NetCDF 4.3.2 which was compiled with
> > >>     gfortran 4.8.3.
> > >>
> > >>
> > >>     On Tue, Aug 19, 2014 at 5:14 AM, WRFHELP <address@hidden
> > >>     <mailto:address@hidden>> wrote:
> > >>
> > >>         Please rerun geogrid.exe after you chnage namelist.wps.
> > >>
> > >>
> > >>         On 8/16/14 1:48 AM, ashwinD12 . wrote:
> > >>>         Hello,
> > >>>                   This is my third question for the week. This
> > >>>         problem is with geogrid.exe and it does not seem to update dy
> > >>>         when I change the value in namelist.wps. When I type ncdump
> > >>>         geo_em_d01.nc <http://geo_em_d01.nc> I get the older value of
> > >>>         dy. I have enclosed my namelist.wps.
> > >>>
> > >>>         Regards,
> > >>>         Ashwin.
> > >>
> > >>
> > >>
> > >
> > >
> >
> 
> 


Ticket Details
===================
Ticket ID: HRQ-547855
Department: Support netCDF
Priority: Normal
Status: Closed