[Qgis-developer] Re: MeteoIO

[Johan Van de Wauw]

On Mon, Jun 27, 2011 at 8:40 PM, Mathias Bavay <bavay at slf.ch> wrote:

> Hi!
>
> [sorry I missed the beginning of the discussion: I was not registered yet]
>
> So, when I proposed you to talk about things from MeteoIO that could
> possibly be interesting for QGIS, I had the following in mind:
>    *the calculation of solar irradiance on the ground, with terrain
> shadowing. Here, we are not talking about the (unfortunately) standard
> (pseudo)shading that is usually done in GIS (ie: adding shadows to highlight
> the terrain contours), but real shading. The radiation would only be valid
> for clear sky (we can not easily get the cloud information), but it would
> provide a valid potential solar irradiance information for a given
> date+time. We could easily also provide a yearly/montly/daily potential
> average solar irradiance layer.
>    *we also offer a bunch of spatial interpolation algorithms (the kriging
> is not yet 100% finished, but almost). These are the tools that you need to
> transform point measurements in distributed values over a DEM (we use it for
> meteorological parameters, the whole thing was initially invented for
> mining)
>

Just a quick note: both (real shading, kriging) are already implemented in
SAGA GIS. If a good plugin is available for saga, perhaps better to focus on
other functionality.
Anyway, let's hope that a processing framework leads to less duplicated code
in the long term.

Johan
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