Ah, that capability also exists but not in a currently released version of HDF5. I think it is available in HDF5-1.9 series. Maybe someone from HDF Group could point you in the right direction. Also, have a looksee here...
https://visitbugs.ornl.gov/attachments/66/load_core_file_driver_from_image_RFC_v04.pdf Hopefully, Quincy Koziol might be able point you to actual HDF5 version tarball supporting this. Mark On Tue, 2012-04-24 at 12:45 -0700, Adam Wierzchowski wrote: > Hi, > thank you. Exactly what I needed. But what about reading these data. I > need something like: > H5Fcreate... > H5InitializeWithRawBytesFromMemory(void* dataPointer, int > dataLengthInBytes) > > regards > Adam > > MM> If I am understanding you correctly, you can do that using the 'core' > MM> virtual file driver (VFD). Have a look at... > > MM> http://www.hdfgroup.org/HDF5/doc/RM/RM_H5P.html#Property-SetFaplCore > > MM> You need to create a file-access or file-creation properties list object > MM> with appropriate values set for the core VFD and it should behave as you > MM> describe. > > MM> Good luck. > > MM> Mark > > MM> On Tue, 2012-04-24 at 06:55 -0700, Adam Wierzchowski wrote: > >> Hi, > >> I have my custom format where I keep all kinds of data: strings, arrays > >> etc. I'd also like to keep chunk of data which is basically whole hdf > >> file. Is it possible? > >> Idea is to keep hdf5 file in memory and dump all that data to my file. > >> When reading just read all that data to memory and read from it with > >> hdf5 functions. Problem is that haven't found functions which will allow > >> me to do that in hdf5 docs. > >> > >> hope you can help me > >> regards > >> Adam > >> > >> _______________________________________________ > >> Hdf-forum is for HDF software users discussion. > >> [email protected] > >> http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org -- Mark C. Miller, Lawrence Livermore National Laboratory ================!!LLNL BUSINESS ONLY!!================ [email protected] urgent: [email protected] T:8-6 (925)-423-5901 M/W/Th:7-12,2-7 (530)-753-8511 _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
