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h5part - Re: [H5part] attributes in H5hut

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Subject: H5Part development and discussion

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Re: [H5part] attributes in H5hut

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  • From: Mark Howison <MHowison AT>
  • To: Achim Gsell <achim.gsell AT>
  • Cc: h5part AT
  • Subject: Re: [H5part] attributes in H5hut
  • Date: Thu, 8 Jul 2010 08:50:12 -0700
  • List-archive: <>
  • List-id: H5Part development and discussion <>

On Thu, Jul 8, 2010 at 4:23 AM, Achim Gsell <achim.gsell AT> wrote:
>> One potential issue is that users may have H5hut files that don't
>> conform to some predetermined convention (e.g. the attribute "foo" is
>> always a float32), and they need to query the attribute to determine
>> its type:
>> H5PartGetStepAttribInfo(...)
>> then have a switch to read the attribute:
>> switch(type):
>> case H5PART_FLOAT32 ... H5PartReadStepAttribFloat32
>> etc.
>> which is more complicated than if there were a many-type read function:
>> H5PartReadStepAttrib( ... type ... )
> It's not that simple. The user has to determine the size of the type and
> allocate an appropriate amount of memory.

Well we could alloc the memory in the read function, although it would
be up to the user to free it later.

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