This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
>From: Jeremy S Pal <address@hidden> >Organization: . >To: address@hidden >Keywords: 199604181829.AA04474 >Hi, > >I am trying to run an xyplot example (ng4ex xy06) that says: >C This example requires that you have the netCDF >C library built on your system! It's available via >C anonymous ftp to unidata.ucar.edu. > >I went to your ftp site and did not see an obvious place to look for netCDF. >Where is it? The source code is under pub/netcdf as netcdf.tar.Z Alternatively, binary distributions can be obtained under: pub/binary/(operating_system)/netcdfxxxxx.tar.Z > >I am not sure if netCDF loaded on my computer. >Where should I look? > Where you install netcdf is up to your site, however /usr/local/netcdf would be a good place. You will of course have to have the appropriate path included on your f77 compile line. >If I get the following message while running the example, does it mean I do no > t >have netCDF?: >congo:/usr/users/jpal/NCARG> ng4ex xy06f > >NCAR Graphics High Level Utility Fortran Example <xy06f> > > >This example requires the netCDF library, -lnetcdf, to be >loaded during the link phase. > > Copying xy06f.f > Copying xy06.res > >Compiling and linking... >f77 -O -o xy06f xy06f.f -L/usr/local/lib -I/usr/local/include -lnetcdf -lhlu - > lncargC -lncarg -lncarg_gksC -lncarg_gks -lncarg_c -lX11 -lots -lfor -lm >ld: >Unresolved: >ncopn_ >ncdid_ >ncdinq_ >ncinq_ >ncvid_ >ncvgtc_ >ncvgt1_ >ncclos_ These are the netcdf functions that will be in the netcdf.a library. >fort: Severe: Failed while trying to link. >Executing <xy06f>... > >./xy06f: Permission denied. > >Finished executing <xy06f>... > > >Thank you very much, > >--Jeremy > Steve Chiswell User SUpport