Richard,
Richard van Hees wrote: > > Please, take a look at the CF metadata conventions: > http://cf-pcmdi.llnl.gov/ > It assumes that you use netCDF, but using netCDF-4 you can write well > structured HDF5 files, or you can follow the conventions using standard > HDF5 functions. > I have participated in a small project called ADAGUC where we tried to > address also the meta data for remote sensing datasets: > http://adaguc.knmi.nl/ > The other data format addressed in the prototype is actually netCDF. I have followed the CF conventions and I am working with some netCDF folks to check the correctness of the implementation. The "extra" metadata beyond the CF convention is one of the remaining questions for the netCDF prototype as well. There are a number of ways to group them. I am searching for a solution that looks somewhat intuitive to the netCDF/HDF5 user communities. Some of the "common practice" with the netCDF format was a little puzzling for me. The projection is usually defined according to the CF convention with individual projection parameters, with the ArcGIS projection file type string as well as the proj4 definition of the projection. That sounds a little overkill to me but then there are two additional layers for latitude/longitude per pixel added on top of that. That got me into the use of compression and netCDF-4 with HDF5 in the background. Otherwise the file sizes cross the GB limit big time with images in the order of 10000x10000 pixels. I was hoping that the HDF5 world has a little simpler convention. Thanks for the link to ADAGUC. Very nice use case. Cheers, Rudi -- View this message in context: http://hdf-forum.184993.n3.nabble.com/satellite-metadata-tp1515627p1517583.html Sent from the hdf-forum mailing list archive at Nabble.com. _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
