NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Hello, a pure-Java library exists for writing netCDF 4 and HDF 5: https://github.com/NCAR/nujan. We've not put much time into this recently and the JNI/native alternative will have a lot more options and features, but Nujan may be another option for you to consider. Aaron On Fri, Jun 30, 2017 at 11:29 AM, Hanns Holger Rutz <rutz@xxxxxx> wrote: > I see -- and it's not possible to draw them in as standard Maven > dependencies for the correct platforms? I think this works with other > Java-C-bridging libraries such as OpenCV, for example: > > http://search.maven.org/#search%7Cga%7C1%7Copencv > > you have there linux-armhf.jar, linux-x86.jar, linux-x86_64.jar, > macosx-x86_64.jar, windows-x86.jar etc. > > would it be possible to do that with NetCDF as well? > > best, .h.h. > > > On 30/06/17 19:10, Sean Arms wrote: > > Greetings! > > > > Currently, the only way to write netCDF-4 files is through the C > interface: > > > > https://www.unidata.ucar.edu/software/thredds/current/ > netcdf-java/reference/netcdf4Clibrary.html > > > > As it stands, there isn't a pure implementation of HDF5 outside of the > > C library, so pretty much everyone who writes netCDF needs to go > > through the C library. > > > > Sean > > > > > > On Fri, Jun 30, 2017 at 9:55 AM, Hanns Holger Rutz <rutz@xxxxxx> wrote: > >> p.s. I use > >> > >> "edu.ucar" % "netcdf4" % "4.6.10" > >> > >> as library. perhaps I need to change this or use a different one? > >> > >> > >> On 30/06/17 17:51, Hanns Holger Rutz wrote: > >>> hi, > >>> > >>> so far I have used this > >>> > >>> nc2.NetcdfFileWriter.createNew(Version.netcdf3, location, null) > >>> > >>> this creates files with this type of header: > >>> > >>> 00000000 43 44 46 01 00 00 00 00 00 00 00 0a 00 00 00 04 > >>> |CDF.............| > >>> 00000010 00 00 00 04 54 69 6d 65 00 00 00 b4 00 00 00 09 > >>> |....Time........| > >>> 00000020 4c 6f 6e 67 69 74 75 64 65 00 00 00 00 00 00 0c > >>> |Longitude.......| > >>> 00000030 00 00 00 08 4c 61 74 69 74 75 64 65 00 00 00 24 > >>> |....Latitude...$| > >>> 00000040 > >>> > >>> now I have a problem where I have to include 64-bit long values, and > >>> this seems to be unsupported: "long not support in netcdf-3" > >>> > >>> So I tried chaing this to > >>> > >>> nc2.NetcdfFileWriter.createNew(Version.netcdf4, location, null) > >>> > >>> now this gives me error that it wants to use C (???) libraries: > >>> > >>> Nc4Iosp: NetCDF-4 C library not present > (jna_path='/usr/local/lib/', > >>> libname='netcdf'). > >>> > >>> What should I do? I need a solution that is cross-platform with > >>> libraries pulled from a maven repository, no matter whether user runs > >>> Linux, Windows, Mac. > >>> > >>> Can I get a pure Java solution that supports 64-bit long? How? > >>> > >>> thanks, .h.h. > >>> > >>> > >>> > >>> _______________________________________________ > >>> NOTE: All exchanges posted to Unidata maintained email lists are > >>> recorded in the Unidata inquiry tracking system and made publicly > >>> available through the web. Users who post to any of the lists we > >>> maintain are reminded to remove any personal information that they > >>> do not want to be made public. > >>> > >>> > >>> netcdf-java mailing list > >>> netcdf-java@xxxxxxxxxxxxxxxx > >>> For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/ > >>> > >> > >> > >> _______________________________________________ > >> NOTE: All exchanges posted to Unidata maintained email lists are > >> recorded in the Unidata inquiry tracking system and made publicly > >> available through the web. Users who post to any of the lists we > >> maintain are reminded to remove any personal information that they > >> do not want to be made public. > >> > >> > >> netcdf-java mailing list > >> netcdf-java@xxxxxxxxxxxxxxxx > >> For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/ > > _______________________________________________ > NOTE: All exchanges posted to Unidata maintained email lists are > recorded in the Unidata inquiry tracking system and made publicly > available through the web. Users who post to any of the lists we > maintain are reminded to remove any personal information that they > do not want to be made public. > > > netcdf-java mailing list > netcdf-java@xxxxxxxxxxxxxxxx > For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/ >
netcdf-java archives: