Marcin,
These are the first things that come to mind, and is where I would start if
I were trying to solve this problem, but they may not work.
For the netCDF file, you will want to add the netCDF plugin developed by
GeoSolutions.
First, on the interpolation, you'll obviously need to closely consider your
interpolation algorithm. This is really a non-GeoServer decision ...
really a scientific one. You would want to look into some journal articles
on Temporal Interpolation of Wind, such as
http://journals.ametsoc.org/doi/abs/10.1175/2008JTECHO588.1. Now, I hope I
don't insult your intelligence with this suggestion ... I don't know your
background. You may be a meteorologist or otherwise know this already ...
but just wanted to cover the bases here.
I don't know if you have a static dataset or dynamic dataset, but one
possibility would be to execute your interpolation outside of GeoServer and
create new netCDF files that already contain the interpolated data. That
way, you have a pre-populated dataset that already has your wind speed data
for every hour. Then, your WMS requests would become much easier ... just
requesting each hour individually and animating them externally in your app
... or asking GeoServer for a pre-generated animation using a time range.
If I were implementing this system, this is probably what I would do.
If you always want to do the interpolation on-the-fly, it feels like the
GeoServer WPS plugin plus custom WPS process code might help you. You
would want the WPS to take 2 rasters as the input and an integer hour for
the output and have your custom WPS process contain your chosen
interpolation algorithm. This might prove more computationally expensive,
though, than pre-generating the interpolated data ... depending on the
algorithm.
Since you said you're new to all of this, you might think about getting
some commercial support for your project. GeoSolutions (
http://www.geo-solutions.it/) is a principal GeoServer/GeoTools development
shop and has been leading the way in a lot of the meteorological data
support improvements in the software. I have done a tiny little bit of
work with them on that, and they're great to work with. Tell them I sent
you.
Sincerely,
Mike Grogan
Meteorologist / Systems Architect
On Wed, Dec 24, 2014 at 5:10 AM, marcin <[email protected]> wrote:
> Hi everyone!
> I have a netCDF file containing wind speed data with 6 hours interval time
> sets. I'd like to generate set of images that represent interpolated wind
> speed every hour. How to achieve that?
>
> Later I'd like to request this images via WMS and create smooth an
> animation in mapbox and place it on a web page. I'm new in the world of
> maps and geosolutions, so I'm not sure if the set of tools that I've chosen
> is the best to achieve this. Perhaps someone could advise on something
> better?
>
> Kind regards,
> Marcin Styczen
>
>
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leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net
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