49 |
|
double sundir[3]; |
50 |
|
double groundbr; |
51 |
|
double F2; |
52 |
< |
double solarbr; |
52 |
> |
double solarbr = -1.0; |
53 |
|
|
54 |
|
char *progname; |
55 |
|
char errmsg[128]; |
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++) |
91 |
|
cloudy = 0; |
92 |
|
dosun = argv[i][0] == '+'; |
93 |
|
break; |
94 |
+ |
case 'r': |
95 |
+ |
solarbr = atof(argv[++i]); |
96 |
+ |
break; |
97 |
|
case 'c': |
98 |
|
cloudy = argv[i][0] == '+' ? 2 : 1; |
99 |
|
dosun = 0; |
159 |
|
if (zenithbr <= 0.0) |
160 |
|
if (cloudy) { |
161 |
|
zenithbr = 8.6*sundir[2] + .123; |
162 |
< |
zenithbr *= 1000.0/SKYEFFICACY; |
162 |
> |
zenithbr *= 1000.0/WHTEFFICACY; |
163 |
|
} else { |
164 |
|
zenithbr = (1.376*turbidity-1.81)*tan(altitude)+0.38; |
165 |
|
zenithbr *= 1000.0/SKYEFFICACY; |
176 |
|
} else { |
177 |
|
F2 = 0.274*(0.91 + 10.0*exp(-3.0*(PI/2.0-altitude)) + |
178 |
|
0.45*sundir[2]*sundir[2]); |
179 |
< |
groundbr = zenithbr*normsc(PI/2.0-altitude)/F2/PI; |
179 |
> |
groundbr = zenithbr*normsc(altitude)/F2/PI; |
180 |
|
printf("# Ground ambient level: %f\n", groundbr); |
181 |
< |
if (sundir[2] > 0.0) { |
182 |
< |
if (sundir[2] > .16) |
183 |
< |
solarbr = (1.5e9/SUNEFFICACY) * |
184 |
< |
(1.147 - .147/sundir[2]); |
177 |
< |
else |
178 |
< |
solarbr = 1.5e9/SUNEFFICACY*(1.147-.147/.16); |
181 |
> |
if (sundir[2] > 0.0 && solarbr != 0.0) { |
182 |
> |
if (solarbr < 0.0) |
183 |
> |
solarbr = 1.5e9/SUNEFFICACY * |
184 |
> |
(1.147 - .147/(sundir[2]>.16?sundir[2]:.16)); |
185 |
|
groundbr += solarbr*6e-5*sundir[2]/PI; |
186 |
|
} else |
187 |
|
dosun = 0; |