[gdal-dev] HDF5 1.8? DAP 3.8?

Javier Urien javierurien+gdal at gmail.com
Thu Mar 13 15:42:29 EDT 2008


On 3/13/08, Lucena, Ivan <ivan.lucena at pmldnet.com> wrote:
> Javier,
>
>
>  Javier Urien wrote:
>  > The only problem is that this driver is slow.
>  >
>
> > No, I didn't even know that the HDF5 driver was read only =)
>  >
>
> > I am currently modifying the HDF5 driver, still very little (optimized
>  > reads using the chunk size), next is georreference, but if I find time
>  > I will try to get into the writing thing...
>
>
> I was about to create some HDF5 for performance evaluation and since I
>  am working in Python it seams that would be easier to use PyTables to
>  write HDF5 files. I can take data from PyGDAL in numPy arrays and pass
>  it to PyTables. But if the driver is slow, why botherPy? :(
>
>  - Do you have plans to release the optimized version of the driver?

you can find the proposed patch for GDAL 1.5.0 at the trac :
http://trac.osgeo.org/gdal/ticket/2270

>
>  - Do you have plans to develop the writing portion of the driver?

Not right now. I am working on a software for image processing and
most of the output is done in GeoTiff. Having it wouldn't hurt, but
unfortunately, right know it is not a priority.


Regards.


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