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<div>Just a quick comment on this. The single colon-delimited string used to be the only way to define a list of axes, partly because attribute arrays were not available in HDF4. It is now deprecated in favor of an array of strings; I don’t think the standard
specifies using variable-length strings or fixed-length string arrays. NeXpy needs to be able to read much older NeXus files, so it will read both, but only writes attribute arrays.<br class="">
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This is an example of the kind of cruft that any reasonably long-lived standard accumulates.<br class="">
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Ray<br class="">
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<blockquote type="cite" class="">On Jan 11, 2018, at 3:22 AM, V. Armando Solé <<a href="mailto:sole@esrf.fr" class="">sole@esrf.fr</a>> wrote:<br class="">
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An additional question.<br class="">
<br class="">
The axes attribute, is it a single string with dataset names separated<br class="">
by colons (",") or is it an array of strings? I had always understood<br class="">
the former but my colleagues understand the later. I would appreciate<br class="">
clarification there too because in the documentation pages I do not see<br class="">
the typical [n] used to specify one is dealing with arrays and because<br class="">
of that (and because for some computing languages variable length string<br class="">
arrays are a problem) I was expecting a single string.<br class="">
<br class="">
Thanks!<br class="">
<br class="">
Armando<br class="">
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-- <br class="">
Ray Osborn, Senior Scientist<br class="">
Materials Science Division<br class="">
Argonne National Laboratory<br class="">
Argonne, IL 60439, USA<br class="">
Phone: +1 (630) 252-9011<br class="">
Email: <a href="mailto:ROsborn@anl.gov" class="">ROsborn@anl.gov</a></div>
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