On Mon, Jun 27, 2011 at 8:40 PM, Mathias Bavay <ba...@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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