# | Line 133 | Line 133 | computesky() /* compute sky parameters */ | |
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133 | zenithbr = (1.376*turbidity-1.81)*tan(altitude)+0.38; | |
134 | zenithbr *= 1000.0/683.0; | |
135 | } | |
136 | + | if (zenithbr < 0.0) |
137 | + | zenithbr = 0.0; |
138 | /* Compute horizontal radiance */ | |
139 | if (cloudy) { | |
140 | groundbr = zenithbr*0.777778; |
– | Removed lines |
+ | Added lines |
< | Changed lines |
> | Changed lines |