Binh-Minh

Thank you so much! I was missing the fact I could call openCompType from my
H5File. I was always just getting the generic DataType object. This worked
perfectly! Thank you again!

Todd

On Wed, Jul 20, 2016 at 2:42 AM, Binh-Minh Ribler <[email protected]>
wrote:

> Hi Todd,
>
>
> Have you tried getting the ArrayType using CompType::getMemberArrayType,
> then ArrayType::getArrayDims?
>
>
> Binh-Minh
>
>
> ------------------------------
> *From:* Hdf-forum <[email protected]> on behalf of
> Todd Dobmeyer <[email protected]>
> *Sent:* Tuesday, July 19, 2016 2:50 PM
> *To:* HDF Users Discussion List
> *Subject:* [Hdf-forum] Get Information From DataType
>
> I have many HDF5 files I need to parse. A portion of my DataType is listed
> below. In my H5T_COMPOUND, I have a H5T_ARRAY called iq_data. How in my
> code can I get the number of elements in this array? From file to file,
> this array can vary in size and not always be 1000 elements. I am trying to
> figure out how to do this in C++ preferably but C is fine as well. I can
> obviously get the DataType object easily in C++, but don't know how to read
> information from this object.
>
> HDF5 "hdfFile.be01" {
> GROUP "/" {
>    DATATYPE "DRdata" H5T_COMPOUND {
>       H5T_ARRAY { [5] H5T_STD_U32LE } "guid";
>       H5T_STD_I32LE "version";
>       ...
>       H5T_STD_U32LE "num_samps";
>       ...
>       H5T_STD_U32LE "sequence_dummy";
>       H5T_ARRAY { [1000] H5T_COMPOUND {
>          H5T_IEEE_F32LE "f_i";
>          H5T_IEEE_F32LE "f_q";
>       } } "iq_data";
>    }
>
> Thanks!
> Todd Dobmeyer
>
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