On 16 Lug, 11:41, Acmeman <pinzag..._at_email.it> wrote:
> Qualcuno mi pu� fornire un riferimento o un link ad un algoritmo che
> permetta di calcolare l' energia solare incidente su un piano nell'
> arco di un anno?
The National Renewable Energy Laboratory has released its Solar
Position Algorithm (SPA) with complete documentation. Another resource
is the libnova Celestial Mechanics and Astronomical Calculation
Library, which also calculates variables such as apparent position and
rise, set and transit times among many others of astronomical objects.
See also the "References" section of the Seasons" article.
http://en.wikipedia.org/wiki/Heliostat
Received on Mon Jul 16 2007 - 23:45:52 CEST