36 |
|
extern double s_meridian; |
37 |
|
/* required values */ |
38 |
|
int month, day; /* date */ |
39 |
< |
double hour; /* standard time */ |
39 |
> |
double hour; /* time */ |
40 |
> |
int tsolar; /* 0=standard, 1=solar */ |
41 |
|
double altitude, azimuth; /* or solar angles */ |
42 |
|
/* default values */ |
43 |
|
int cloudy = 0; /* 1=standard, 2=uniform */ |
77 |
|
month = atoi(argv[1]); |
78 |
|
day = atoi(argv[2]); |
79 |
|
hour = atof(argv[3]); |
80 |
+ |
tsolar = argv[3][0] == '+'; |
81 |
|
} |
82 |
|
for (i = 4; i < argc; i++) |
83 |
|
if (argv[i][0] == '-' || argv[i][0] == '+') |
136 |
|
|
137 |
|
jd = jdate(month, day); /* Julian date */ |
138 |
|
sd = sdec(jd); /* solar declination */ |
139 |
< |
st = hour + stadj(jd); /* solar time */ |
139 |
> |
if (tsolar) /* solar time */ |
140 |
> |
st = hour; |
141 |
> |
else |
142 |
> |
st = hour + stadj(jd); |
143 |
|
altitude = salt(sd, st); |
144 |
|
azimuth = sazi(sd, st); |
145 |
|
} |