[R-sig-Geo] Question on hierarchical data format 5 .h5 file format

[Gabriel Cotlier]

Dear Michael Summer,
Thanks a lot for your swift reply.
I will give a try to the procedure you mentioned.
Kind regards,
Gabriel


On Sat, Nov 13, 2021 at 12:14 PM Michael Sumner <mdsumner using gmail.com> wrote:

> try terra::rast() or stars::read_stars() on the file, both use gdal to
> interrogate and read. What you get depends on the structure of the files,
> variables interpreted as subdatasets. stars is more general but sees
> variables as 2D arrays with bands, terra calls these bands layers.
>
> Alternatively try raster::raster() or RNetCDF or tidync which might be
> more straightforward than rhdf5 but all are quite different to each other
> and to the gdal view.
>
> hth
>
> On Sat, 13 Nov 2021, 18:56 Gabriel Cotlier, <gabiklm01 using gmail.com> wrote:
>
>> Hello,
>>
>> I would like to be able to visualize / plot a specific data layer within
>> the structure a hierarchical data file format .h5  in R. I could observe
>> the structure as follows :
>>
>> library(rhdf5)
>> r= h5ls(file.choose())
>> r
>>
>> and also in this way identify the Group and Name of the data to be
>> plotted,
>> however I've tried I could not access the data itself, nor plot it as a
>> raster layer with its corresponding geographic coordinates.
>> I would like to be able to select such data, plot it as a raster layer and
>> if possible save it as GeoTIFF file format to be further processed with
>> the
>> raster package as a common raster layer.
>>
>> If any small guidance example, reprex, of this procedure is possible
>> it would be appreciated.
>>
>> Thanks a lot in advance
>> Kind regards,
>> Gabriel Cotlier
>> --
>> Gabriel Cotlier, PhD
>> Haifa Research Center for Theoretical Physics and Astrophysics (HCTPA)
>> University of Haifa
>> Israel
>>
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>>
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>

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