[Radiance-general] [help] error message from running gencumulativesky

[Lars O. Grobe]

> I would expect that these entries in your climate file are simply not
> represented in the the cumulative sky model. A way to work around this
> might be to hack gencumulativesky to provide gendaylit with explicit sun
> positions and artificially increase the altitude to be above 6 degree.

It would be interesting to know the source of the values below 6 
degrees, as typical sky scanners are not able to measure these directly. 
This means that the values represent probably not measured but derived 
data (total horizontal irradiance - diffuse horizontal irradiance).

Cheers, Lars.