Werner, Using a network interface is not possible with this API. It does not write the file sequentially. For example, the file length is computed after writing all the data, and the the API then writes the file length into the file header.
Steve On Fri, Sep 10, 2010 at 09:49:16AM +0200, Werner Benger wrote: > Steve, > > does or will the pure Java HDF5 support writing a file image to a TCP/IP > socket instead of a file? In HDF5 this is possible through the virtual > file drivers, I'd imagine that using sockets would be even easier in Java > than in C, and could be a nice feature to stream an HDF5 file from a > Java VM through the network or another application. > > Werner > > > On Fri, 10 Sep 2010 05:23:46 +0200, Steve Sullivan <[email protected]> wrote: > >> Nicholas, >> >> Currently we do plan to continue work on Nujan, but exactly which >> features get implemented is not yet known. A lot depends on the >> needs of our primary customer, an FAA project. Also if many >> users request a certain feature, we may be able to implement it. >> As usual, funding will be a determining factor. >> >> Steve >> >> >> >> On Fri, Sep 10, 2010 at 10:59:58AM +1000, Nicholas Yue wrote: >>> Steve Sullivan wrote: >>>> UCAR is releasing a beta version of Nujan, a pure Java writer for >>>> HDF5 and NetCDF4 files. Nujan is 100% open source and is >>>> released under the MIT license. >>>> >>>> Nujan creates HDF5 files compatible with HDF5 1.8.5 and later, >>>> and NetCDF4 files compatible with NetCDF 4.1.1 and later. >>>> >>>> The primary differences between Nujan and the existing >>>> HDF5 Java writer are: >>>> - Nujan does not depend on any C code, so does not use the JNI >>>> (Java Native Interface) >>>> - Nujan supports a wide set of HDF5 features, but not all. >>>> Details are on the web page. >>>> >>>> Details and download are at: >>>> http://www.ral.ucar.edu/~steves/nujan.html >>>> >>> Hi Steve, >>> >>> It's not clear from the site if it is the design goals of Nujan to >>> eventually be HDF5 feature complete? >>> >>> I can understand that it is currently not and may not be for some >>> time but am keen to find out the Nujan's long term goals. >>> >>> Regards >>> >>> >>> _______________________________________________ >>> Hdf-forum is for HDF software users discussion. >>> [email protected] >>> http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org >> > > > -- > ___________________________________________________________________________ > Dr. Werner Benger Visualization Research > Laboratory for Creative Arts and Technology (LCAT) > Center for Computation & Technology at Louisiana State University (CCT/LSU) > 211 Johnston Hall, Baton Rouge, Louisiana 70803 > Tel.: +1 225 578 4809 Fax.: +1 225 578-5362 -- Steve Sullivan [email protected] 303-497-2823 FL/2, Research Applications Laboratory National Center for Atmospheric Research PO Box 3000 Boulder CO 80307 USA _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
