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Re: HDF interface [message #28319 is a reply to message #28226] Wed, 28 November 2001 11:06 Go to previous messageGo to previous message
Daniel Peduzzi is currently offline  Daniel Peduzzi
Messages: 29
Registered: June 1999
Junior Member
James Kuyper Jr. wrote in message <3C0531B9.10707@gsfc.nasa.gov>...
> Daniel Peduzzi wrote:
>
>> Using IDL's HDF interface, does anybody know how to remove or rename
>> SD datasets within an HDF file?
>>
>> Dan
>
> HDF isn't good about deleting or renaming things. The best you can do is
> create a new file by copying all the parts of the old file that you want
> to keep, while dropping or renaming the parts you want to drop or
> rename. Very annoying. HDF provides routines for deleting or renaming
> Vgroups, but not for anything else. HDF_DELDD doesn't actually delete an
> object from an HDF file, it just removes it from the list of data
> descriptors. The deleted object still takes up space (which can be
> released by using the hdfpack routine).
>

Excellent, thanks for the info.

Next question: does anyone have a good HDF to NetCDF converter? ;-)

Dan
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