I'd like to pursue a particular detail of the compound datatype thread from yesterday. Specifically, the ability to write part of a compound datatype, rather than all of it in one go. I've spent some time today trying to figure out what's involved, but haven't got a clear idea. I'm assuming that the writing would be accomplished by calling *H5Dwrite* and passing it the id of a dataset created using *H5Dcreate2*() - (I'm cribbing from the listing of the sample program *h5_compound*). *H5Dwrite*() has a variety of arguments, but none that obviously give me a mechanism for selecting what part of the dataset is to be written. I've got a couple of guesses: 1. there's some work to be done on the dataset prior to the write that selects what is supposed to be written, or 2. the property list argument can somehow convey the information.
Any guidance would be gratefully received. -Josiah
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