59 |
|
int argc; |
60 |
|
char *argv[]; |
61 |
|
{ |
62 |
– |
extern double fabs(); |
62 |
|
int i; |
63 |
|
|
64 |
|
progname = argv[0]; |
74 |
|
month = 0; |
75 |
|
} else { |
76 |
|
month = atoi(argv[1]); |
77 |
+ |
if (month < 1 || month > 12) |
78 |
+ |
userror("bad month"); |
79 |
|
day = atoi(argv[2]); |
80 |
+ |
if (day < 1 || day > 31) |
81 |
+ |
userror("bad day"); |
82 |
|
hour = atof(argv[3]); |
83 |
+ |
if (hour < 0 || hour >= 24) |
84 |
+ |
userror("bad hour"); |
85 |
|
tsolar = argv[3][0] == '+'; |
86 |
|
} |
87 |
|
for (i = 4; i < argc; i++) |
156 |
|
if (zenithbr <= 0.0) |
157 |
|
if (cloudy) { |
158 |
|
zenithbr = 8.6*sundir[2] + .123; |
159 |
< |
zenithbr *= 1000.0/SKYEFFICACY; |
159 |
> |
zenithbr *= 1000.0/WHTEFFICACY; |
160 |
|
} else { |
161 |
|
zenithbr = (1.376*turbidity-1.81)*tan(altitude)+0.38; |
162 |
|
zenithbr *= 1000.0/SKYEFFICACY; |
173 |
|
} else { |
174 |
|
F2 = 0.274*(0.91 + 10.0*exp(-3.0*(PI/2.0-altitude)) + |
175 |
|
0.45*sundir[2]*sundir[2]); |
176 |
< |
groundbr = zenithbr*normsc(PI/2.0-altitude)/F2/PI; |
176 |
> |
groundbr = zenithbr*normsc(altitude)/F2/PI; |
177 |
|
printf("# Ground ambient level: %f\n", groundbr); |
178 |
|
if (sundir[2] > 0.0) { |
179 |
|
if (sundir[2] > .16) |