On May 4, 2011, at 11:21 AM, Rob Latham wrote:
> On Wed, May 04, 2011 at 11:13:08AM -0500, Quincey Koziol wrote:
>>> 1) Can I tell hdf5 to reserve a minimum size in the object header so that I
>>> know in advance that the attributes will fit (or does the object header
>>> only contain pointers to other structures anyway)
>>
>> This feature isn't available through the public API currently. (I have
>> thought about exposing the internal part of the library that would allow it,
>> but it seemed like it would only be used by a very small portion of the user
>> base)
>
> Seems like something the NetCDF-4 folks could use to good effect, if
> they don't already. After exiting NetCDF define mode, the size of the
> attributes and objects will be known. NetCDF callers are familiar with
> the potential pain of re-entering define mode.
Ah, good point. (Although adding new attributes to an existing HDF5
object can be done at any point, without any of the pain that netCDF has for
re-entering define mode)
Quincey
_______________________________________________
Hdf-forum is for HDF software users discussion.
[email protected]
http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
