HDF Format to ascii format how to convert please explane anybody
On Tue, Jan 30, 2018 at 2:36 AM, Daniel Rimmelspacher <dane...@hotmail.com>
wrote:
> Dear Forum Members,
>
> please let me enhance the provided information:
>
> 1. I am using HdfView-2.14.0.
>
> 2. This is the questionable data set.
>
>
> 3. These are the data set properties.
>
>
>
> Can someone provide information about possible steps in order to track the
> problem further down?
>
> Thanks and kind regards,
> Daniel
>
>
> Am 29.01.2018 um 00:06 schrieb Daniel Rimmelspacher:
>
> Dear Forum Members,
>
> I am trying to store application data in a compound dataset (via Matlab
> low-level API). The dataset looks like this:
>
> Column1:
>
> type1 = H5T.vlen_create('H5T_NATIVE_DOUBLE')
>
> Column2:
>
> type2= H5T.copy('H5T_C_S1')
>
> H5T.set_size(type2, 'H5T_VARIABLE')
>
> In order to try out the performance, I varied the length of type 1, i.e.
> storing 10/100/1000/10000 doubles in 10000 rows. Storing though seems
> pretty fast, but when I try to open the data set with the HDF Viewer I
> encounter significant performance issues for 10000 values. I already
> tried to vary the chunking parameter (1/10/100/1000) but without success.
>
> Is this an issue with the HDF viewer or rather a problem with my data
> model? Is there a trick in order to enhance dataset loading performance
> inside the viewer?
>
> Any hint is appreciated!
>
> Thanks,
>
> Daniel
>
>
>
>
>
>
>
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>
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