# xform -rz -39.100
# GENDAYLIT 6 21 10 +s -a 24.400 -o -54.700 -m -60.000 -W 703 186
# Ground ambient level: 35.9

void light solar
0
0
3            5777000            5777000            5777000

solar source sun
0
0
4     0.449275766422    -0.295006013381           0.843281              0.533

void brightfunc skyfunc
6 skybright perezlum.cal -i 1 -rz -39.100
0
10              41.27              28.26            -0.9231          -0.337205          12.956412          -3.491828           0.165154           0.534712           0.054409           0.843281