Hi Beany,

This suggests that there is a problem with the h5mma reader for HDF5 data. Can you try running the attached notebook in a fresh Mathematica kernel, changing the path to point to your own home directory? You should be able to reproduce the output that is in the notebook.

I have just run this on my Mac with Mathematica 10.4.0, OS X 10.11.4, SimulationTools 1.0.0 and h5mma 1.2.0 and it worked fine, so this should tell us if the problem is with h5mma, or elsewhere.

Regards,

Barry

On Tue, Apr 12, 2016 at 4:41 PM, Bernard Kelly <physicsbeany@gmail.com> wrote:

BTW, I'm running Mathematica 10.4.0 on OS X 10.11.4 ("El Capitan")

B

On 12 April 2016 at 11:30, Bernard Kelly <physicsbeany@gmail.com> wrote:
> Hi. Today's silly question:
>
> I'm trying to use SimulationTools to work with some Carpet HDF5 data.
> I've loaded SimulationTools & h5mma with no apparent issues, but this
> line fails:
>
>> ToDataRegion[ ImportHDF5[ "<full path to mydata.h5", {"Datasets", "mydataset"}]]
>
> ... with the error message:
>
> LinkObject::linkd: Unable to communicate with closed link
> LinkObject['/Users/bjkelly1/Library/Mathematica/Applications/h5mma/MacOSX-x86-64/h5mma',397,6].
>>>
>
> I can verify that the executable is where that error message says it
> is, and it's world-runnable. Any ideas why it's not working?
>
> thanks
>
> Beany
>
> P.S. I've never used SimulationTools or h5mma before. I followed the
> simple installation instructions from
> http://simulationtools.org/Documentation/English/Tutorials/Introduction.html
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