1 |
– |
#include "color.h" |
1 |
|
#ifndef lint |
2 |
< |
static const char RCSid[] = |
4 |
< |
"$Id$"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
4 |
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/* Main function for generating spectral sky */ |
5 |
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/* Cloudy sky computed as weight average of clear and cie overcast sky */ |
6 |
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|
7 |
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#include "atmos.h" |
8 |
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#include "copyright.h" |
9 |
+ |
#include "color.h" |
10 |
+ |
#include "paths.h" |
11 |
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#include "resolu.h" |
12 |
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#include "rtio.h" |
13 |
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#include <ctype.h> |
19 |
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#include <sys/types.h> |
20 |
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#endif |
21 |
|
|
22 |
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char *progname; |
23 |
– |
|
22 |
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const double ARCTIC_LAT = 67.; |
23 |
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const double TROPIC_LAT = 23.; |
24 |
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const int SUMMER_START = 4; |
29 |
|
|
30 |
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/* Mean normalized relative daylight spectra where CCT = 6415K for overcast; */ |
31 |
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const double D6415[NSSAMP] = {0.63231, 1.06171, 1.00779, 1.36423, 1.34133, |
32 |
< |
1.27258, 1.26276, 1.26352, 1.22201, 1.13246, |
33 |
< |
1.0434, 1.05547, 0.98212, 0.94445, 0.9722, |
34 |
< |
0.82387, 0.87853, 0.82559, 0.75111, 0.78925}; |
32 |
> |
1.27258, 1.26276, 1.26352, 1.22201, 1.13246, |
33 |
> |
1.0434, 1.05547, 0.98212, 0.94445, 0.9722, |
34 |
> |
0.82387, 0.87853, 0.82559, 0.75111, 0.78925}; |
35 |
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|
36 |
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/* European and North American zones */ |
37 |
< |
struct { |
38 |
< |
char zname[8]; /* time zone name (all caps) */ |
39 |
< |
float zmer; /* standard meridian */ |
40 |
< |
} tzone[] = {{"YST", 135}, {"YDT", 120}, {"PST", 120}, {"PDT", 105}, |
41 |
< |
{"MST", 105}, {"MDT", 90}, {"CST", 90}, {"CDT", 75}, |
42 |
< |
{"EST", 75}, {"EDT", 60}, {"AST", 60}, {"ADT", 45}, |
43 |
< |
{"NST", 52.5}, {"NDT", 37.5}, {"GMT", 0}, {"BST", -15}, |
44 |
< |
{"CET", -15}, {"CEST", -30}, {"EET", -30}, {"EEST", -45}, |
45 |
< |
{"AST", -45}, {"ADT", -60}, {"GST", -60}, {"GDT", -75}, |
46 |
< |
{"IST", -82.5}, {"IDT", -97.5}, {"JST", -135}, {"NDT", -150}, |
47 |
< |
{"NZST", -180}, {"NZDT", -195}, {"", 0}}; |
37 |
> |
struct |
38 |
> |
{ |
39 |
> |
char zname[8]; /* time zone name (all caps) */ |
40 |
> |
float zmer; /* standard meridian */ |
41 |
> |
} tzone[] = {{"YST", 135}, {"YDT", 120}, {"PST", 120}, {"PDT", 105}, |
42 |
> |
{"MST", 105}, {"MDT", 90}, {"CST", 90}, {"CDT", 75}, |
43 |
> |
{"EST", 75}, {"EDT", 60}, {"AST", 60}, {"ADT", 45}, |
44 |
> |
{"NST", 52.5}, {"NDT", 37.5}, {"GMT", 0}, {"BST", -15}, |
45 |
> |
{"CET", -15}, {"CEST", -30}, {"EET", -30}, {"EEST", -45}, |
46 |
> |
{"AST", -45}, {"ADT", -60}, {"GST", -60}, {"GDT", -75}, |
47 |
> |
{"IST", -82.5}, {"IDT", -97.5}, {"JST", -135}, {"NDT", -150}, |
48 |
> |
{"NZST", -180}, {"NZDT", -195}, {"", 0}}; |
49 |
|
|
50 |
< |
static int make_directory(const char *path) { |
50 |
> |
static int |
51 |
> |
make_directory |
52 |
> |
( |
53 |
> |
const char *path |
54 |
> |
) |
55 |
> |
{ |
56 |
|
#ifdef _WIN32 |
57 |
< |
if (CreateDirectory(path, NULL) || GetLastError() == ERROR_ALREADY_EXISTS) { |
58 |
< |
return 1; |
59 |
< |
} |
60 |
< |
return 0; |
57 |
> |
if (CreateDirectory(path, NULL) || GetLastError() == ERROR_ALREADY_EXISTS) { |
58 |
> |
return 1; |
59 |
> |
} |
60 |
> |
return 0; |
61 |
> |
|
62 |
|
#else |
63 |
< |
if (mkdir(path, 0777) == 0 || errno == EEXIST) { |
64 |
< |
return 1; |
65 |
< |
} |
66 |
< |
return 0; |
63 |
> |
if (mkdir(path, 0777) == 0 || errno == EEXIST) { |
64 |
> |
return 1; |
65 |
> |
} |
66 |
> |
return 0; |
67 |
> |
|
68 |
|
#endif |
69 |
|
} |
70 |
|
|
71 |
< |
inline static float deg2rad(float deg) { return deg * (PI / 180.); } |
71 |
> |
inline static float |
72 |
> |
deg2rad |
73 |
> |
( |
74 |
> |
float deg |
75 |
> |
) |
76 |
> |
{ |
77 |
> |
return deg * (PI / 180.); |
78 |
> |
} |
79 |
|
|
80 |
< |
static int cvthour(char *hs, int *tsolar, double *hour) { |
81 |
< |
char *cp = hs; |
82 |
< |
int i, j; |
80 |
> |
static int |
81 |
> |
cvthour |
82 |
> |
( |
83 |
> |
char *hs, |
84 |
> |
int *tsolar, |
85 |
> |
double *hour |
86 |
> |
) |
87 |
> |
{ |
88 |
> |
char *cp = hs; |
89 |
> |
int i, j; |
90 |
|
|
91 |
< |
if ((*tsolar = *cp == '+')) |
92 |
< |
cp++; /* solar time? */ |
93 |
< |
while (isdigit(*cp)) |
94 |
< |
cp++; |
95 |
< |
if (*cp == ':') |
96 |
< |
*hour = atoi(hs) + atoi(++cp) / 60.0; |
97 |
< |
else { |
98 |
< |
*hour = atof(hs); |
99 |
< |
if (*cp == '.') |
100 |
< |
cp++; |
101 |
< |
} |
102 |
< |
while (isdigit(*cp)) |
103 |
< |
cp++; |
104 |
< |
if (!*cp) |
105 |
< |
return (0); |
106 |
< |
if (*tsolar || !isalpha(*cp)) { |
107 |
< |
fprintf(stderr, "%s: bad time format: %s\n", progname, hs); |
108 |
< |
exit(1); |
109 |
< |
} |
110 |
< |
i = 0; |
111 |
< |
do { |
112 |
< |
for (j = 0; cp[j]; j++) |
113 |
< |
if (toupper(cp[j]) != tzone[i].zname[j]) |
114 |
< |
break; |
115 |
< |
if (!cp[j] && !tzone[i].zname[j]) { |
116 |
< |
s_meridian = tzone[i].zmer * (PI / 180); |
117 |
< |
return (1); |
118 |
< |
} |
119 |
< |
} while (tzone[i++].zname[0]); |
91 |
> |
if ((*tsolar = *cp == '+')) { |
92 |
> |
cp++; /* solar time? */ |
93 |
> |
} |
94 |
> |
while (isdigit(*cp)) { |
95 |
> |
cp++; |
96 |
> |
} |
97 |
> |
if (*cp == ':') { |
98 |
> |
*hour = atoi(hs) + atoi(++cp) / 60.0; |
99 |
> |
}else{ |
100 |
> |
*hour = atof(hs); |
101 |
> |
if (*cp == '.') { |
102 |
> |
cp++; |
103 |
> |
} |
104 |
> |
} |
105 |
> |
while (isdigit(*cp)) { |
106 |
> |
cp++; |
107 |
> |
} |
108 |
> |
if (!*cp) { |
109 |
> |
return (0); |
110 |
> |
} |
111 |
> |
if (*tsolar || !isalpha(*cp)) { |
112 |
> |
fprintf(stderr, "%s: bad time format: %s\n", progname, hs); |
113 |
> |
exit(1); |
114 |
> |
} |
115 |
> |
i = 0; |
116 |
> |
do { |
117 |
> |
for (j = 0; cp[j]; j++) { |
118 |
> |
if (toupper(cp[j]) != tzone[i].zname[j]) { |
119 |
> |
break; |
120 |
> |
} |
121 |
> |
} |
122 |
> |
if (!cp[j] && !tzone[i].zname[j]) { |
123 |
> |
s_meridian = tzone[i].zmer * (PI / 180); |
124 |
> |
return (1); |
125 |
> |
} |
126 |
> |
} while (tzone[i++].zname[0]); |
127 |
|
|
128 |
< |
fprintf(stderr, "%s: unknown time zone: %s\n", progname, cp); |
129 |
< |
fprintf(stderr, "Known time zones:\n\t%s", tzone[0].zname); |
130 |
< |
for (i = 1; tzone[i].zname[0]; i++) |
131 |
< |
fprintf(stderr, " %s", tzone[i].zname); |
132 |
< |
putc('\n', stderr); |
133 |
< |
exit(1); |
128 |
> |
fprintf(stderr, "%s: unknown time zone: %s\n", progname, cp); |
129 |
> |
fprintf(stderr, "Known time zones:\n\t%s", tzone[0].zname); |
130 |
> |
for (i = 1; tzone[i].zname[0]; i++) { |
131 |
> |
fprintf(stderr, " %s", tzone[i].zname); |
132 |
> |
} |
133 |
> |
putc('\n', stderr); |
134 |
> |
exit(1); |
135 |
|
} |
136 |
|
|
137 |
< |
static void basename(const char *path, char *output, size_t outsize) { |
138 |
< |
const char *last_slash = strrchr(path, '/'); |
139 |
< |
const char *last_backslash = strrchr(path, '\\'); |
140 |
< |
const char *filename = path; |
141 |
< |
const char *last_dot; |
137 |
> |
static void |
138 |
> |
basename |
139 |
> |
( |
140 |
> |
const char *path, |
141 |
> |
char *output, |
142 |
> |
size_t outsize |
143 |
> |
) |
144 |
> |
{ |
145 |
> |
const char *last_slash = strrchr(path, '/'); |
146 |
> |
const char *last_backslash = strrchr(path, '\\'); |
147 |
> |
const char *filename = path; |
148 |
> |
const char *last_dot; |
149 |
|
|
150 |
< |
if (last_slash && last_backslash) { |
151 |
< |
filename = |
152 |
< |
(last_slash > last_backslash) ? last_slash + 1 : last_backslash + 1; |
153 |
< |
} else if (last_slash) { |
154 |
< |
filename = last_slash + 1; |
155 |
< |
} else if (last_backslash) { |
156 |
< |
filename = last_backslash + 1; |
157 |
< |
} |
150 |
> |
if (last_slash && last_backslash) { |
151 |
> |
filename = |
152 |
> |
(last_slash > last_backslash) ? last_slash + 1 : last_backslash + 1; |
153 |
> |
} else if (last_slash) { |
154 |
> |
filename = last_slash + 1; |
155 |
> |
} else if (last_backslash) { |
156 |
> |
filename = last_backslash + 1; |
157 |
> |
} |
158 |
|
|
159 |
< |
last_dot = strrchr(filename, '.'); |
160 |
< |
if (last_dot) { |
161 |
< |
size_t length = last_dot - filename; |
162 |
< |
if (length < outsize) { |
163 |
< |
strncpy(output, filename, length); |
164 |
< |
output[length] = '\0'; |
165 |
< |
} else { |
166 |
< |
strncpy(output, filename, outsize - 1); |
167 |
< |
output[outsize - 1] = '\0'; |
168 |
< |
} |
169 |
< |
} |
159 |
> |
last_dot = strrchr(filename, '.'); |
160 |
> |
if (last_dot) { |
161 |
> |
size_t length = last_dot - filename; |
162 |
> |
if (length < outsize) { |
163 |
> |
strncpy(output, filename, length); |
164 |
> |
output[length] = '\0'; |
165 |
> |
} else { |
166 |
> |
strncpy(output, filename, outsize - 1); |
167 |
> |
output[outsize - 1] = '\0'; |
168 |
> |
} |
169 |
> |
} |
170 |
|
} |
171 |
|
|
172 |
< |
static char *join_paths(const char *path1, const char *path2) { |
173 |
< |
size_t len1 = strlen(path1); |
174 |
< |
size_t len2 = strlen(path2); |
175 |
< |
int need_separator = (path1[len1 - 1] != DIRSEP); |
172 |
> |
static char * |
173 |
> |
join_paths |
174 |
> |
( |
175 |
> |
const char *path1, |
176 |
> |
const char *path2 |
177 |
> |
) |
178 |
> |
{ |
179 |
> |
size_t len1 = strlen(path1); |
180 |
> |
size_t len2 = strlen(path2); |
181 |
> |
int need_separator = (path1[len1 - 1] != DIRSEP); |
182 |
|
|
183 |
< |
char *result = malloc(len1 + len2 + (need_separator ? 2 : 1)); |
184 |
< |
if (!result) |
185 |
< |
return NULL; |
183 |
> |
char *result = malloc(len1 + len2 + (need_separator ? 2 : 1)); |
184 |
> |
if (!result) { |
185 |
> |
return NULL; |
186 |
> |
} |
187 |
|
|
188 |
< |
strcpy(result, path1); |
189 |
< |
if (need_separator) { |
190 |
< |
result[len1] = DIRSEP; |
191 |
< |
len1++; |
192 |
< |
} |
193 |
< |
strcpy(result + len1, path2); |
188 |
> |
strcpy(result, path1); |
189 |
> |
if (need_separator) { |
190 |
> |
result[len1] = DIRSEP; |
191 |
> |
len1++; |
192 |
> |
} |
193 |
> |
strcpy(result + len1, path2); |
194 |
|
|
195 |
< |
return result; |
195 |
> |
return result; |
196 |
|
} |
197 |
|
|
198 |
< |
static inline double wmean2(const double a, const double b, const double x) { |
199 |
< |
return a * (1 - x) + b * x; |
198 |
> |
static inline double |
199 |
> |
wmean2 |
200 |
> |
( |
201 |
> |
const double a, |
202 |
> |
const double b, |
203 |
> |
const double x |
204 |
> |
) |
205 |
> |
{ |
206 |
> |
return a * (1 - x) + b * x; |
207 |
|
} |
208 |
|
|
209 |
< |
static inline double wmean(const double a, const double x, const double b, |
210 |
< |
const double y) { |
211 |
< |
return (a * x + b * y) / (a + b); |
209 |
> |
static inline double |
210 |
> |
wmean |
211 |
> |
( |
212 |
> |
const double a, |
213 |
> |
const double x, |
214 |
> |
const double b, |
215 |
> |
const double y |
216 |
> |
) |
217 |
> |
{ |
218 |
> |
return (a * x + b * y) / (a + b); |
219 |
|
} |
220 |
|
|
221 |
< |
static double get_overcast_zenith_brightness(const double sundir[3]) { |
222 |
< |
double zenithbr; |
223 |
< |
if (sundir[2] < 0) { |
224 |
< |
zenithbr = 0; |
225 |
< |
} else { |
226 |
< |
zenithbr = (8.6 * sundir[2] + .123) * 1000.0 / D65EFF; |
227 |
< |
} |
228 |
< |
return zenithbr; |
221 |
> |
static double |
222 |
> |
get_overcast_zenith_brightness |
223 |
> |
( |
224 |
> |
const double sundir[3] |
225 |
> |
) |
226 |
> |
{ |
227 |
> |
double zenithbr; |
228 |
> |
if (sundir[2] < 0) { |
229 |
> |
zenithbr = 0; |
230 |
> |
} else { |
231 |
> |
zenithbr = (8.6 * sundir[2] + .123) * 1000.0 / D65EFF; |
232 |
> |
} |
233 |
> |
return zenithbr; |
234 |
|
} |
235 |
|
|
236 |
|
/* from gensky.c */ |
237 |
< |
static double get_overcast_brightness(const double dz, const double zenithbr) { |
238 |
< |
double groundbr = zenithbr * GNORM; |
239 |
< |
return wmean(pow(dz + 1.01, 10), zenithbr * (1 + 2 * dz) / 3, |
240 |
< |
pow(dz + 1.01, -10), groundbr); |
237 |
> |
static double |
238 |
> |
get_overcast_brightness |
239 |
> |
( |
240 |
> |
const double dz, |
241 |
> |
const double zenithbr |
242 |
> |
) |
243 |
> |
{ |
244 |
> |
double groundbr = zenithbr * GNORM; |
245 |
> |
return wmean( |
246 |
> |
pow(dz + 1.01, 10), |
247 |
> |
zenithbr * (1 + 2 * dz) / 3, |
248 |
> |
pow(dz + 1.01, -10), |
249 |
> |
groundbr); |
250 |
|
} |
251 |
|
|
252 |
< |
static void write_header(const int argc, char **argv, const double cloud_cover, |
253 |
< |
const double grefl, const int res) { |
254 |
< |
int i; |
255 |
< |
printf("# "); |
256 |
< |
for (i = 0; i < argc; i++) { |
257 |
< |
printf("%s ", argv[i]); |
258 |
< |
} |
259 |
< |
printf("\n"); |
260 |
< |
printf( |
261 |
< |
"#Cloud cover: %g\n#Ground reflectance: %g\n#Sky map resolution: %d\n\n", |
262 |
< |
cloud_cover, grefl, res); |
252 |
> |
static void |
253 |
> |
write_header |
254 |
> |
( |
255 |
> |
const int argc, |
256 |
> |
char **argv, |
257 |
> |
const double cloud_cover, |
258 |
> |
const double grefl, |
259 |
> |
const int res |
260 |
> |
) |
261 |
> |
{ |
262 |
> |
int i; |
263 |
> |
printf("# "); |
264 |
> |
for (i = 0; i < argc; i++) { |
265 |
> |
printf("%s ", argv[i]); |
266 |
> |
} |
267 |
> |
printf("\n"); |
268 |
> |
printf( |
269 |
> |
"#Cloud cover: %g\n#Ground reflectance: %g\n#Sky map resolution: " |
270 |
> |
"%d\n\n", |
271 |
> |
cloud_cover, |
272 |
> |
grefl, |
273 |
> |
res); |
274 |
|
} |
275 |
|
|
276 |
< |
static void write_rad(const double *sun_radiance, const double intensity, |
277 |
< |
const FVECT sundir, const char *ddir, |
278 |
< |
const char *skyfile) { |
279 |
< |
if (sundir[2] > 0) { |
280 |
< |
printf("void spectrum sunrad\n0\n0\n22 380 780 "); |
281 |
< |
int i; |
282 |
< |
for (i = 0; i < NSSAMP; ++i) { |
283 |
< |
printf("%.3f ", sun_radiance[i]); |
284 |
< |
} |
285 |
< |
printf("\n\nsunrad light solar\n0\n0\n3 %.1f %.1f %.1f\n\n", intensity, |
286 |
< |
intensity, intensity); |
287 |
< |
printf("solar source sun\n0\n0\n4 %f %f %f 0.533\n\n", sundir[0], sundir[1], |
288 |
< |
sundir[2]); |
289 |
< |
} |
290 |
< |
printf("void specpict skyfunc\n5 noop %s . 'Atan2(Dy,Dx)/PI+1' " |
291 |
< |
"'1-Acos(Dz)/PI'\n0\n0\n\n", |
292 |
< |
skyfile); |
276 |
> |
static void |
277 |
> |
write_rad |
278 |
> |
( |
279 |
> |
const double *sun_radiance, |
280 |
> |
const double intensity, |
281 |
> |
const FVECT sundir, |
282 |
> |
const char *ddir, |
283 |
> |
const char *skyfile |
284 |
> |
) |
285 |
> |
{ |
286 |
> |
if (sundir[2] > 0) { |
287 |
> |
printf("void spectrum sunrad\n0\n0\n22 380 780 "); |
288 |
> |
int i; |
289 |
> |
for (i = 0; i < NSSAMP; ++i) { |
290 |
> |
printf("%.3f ", sun_radiance[i]); |
291 |
> |
} |
292 |
> |
printf( |
293 |
> |
"\n\nsunrad light solar\n0\n0\n3 %.1f %.1f %.1f\n\n", |
294 |
> |
intensity, |
295 |
> |
intensity, |
296 |
> |
intensity); |
297 |
> |
printf( |
298 |
> |
"solar source sun\n0\n0\n4 %f %f %f 0.533\n\n", |
299 |
> |
sundir[0], |
300 |
> |
sundir[1], |
301 |
> |
sundir[2]); |
302 |
> |
} |
303 |
> |
printf( |
304 |
> |
"void specpict skyfunc\n5 noop %s . 'Atan2(Dy,Dx)/PI+1' " |
305 |
> |
"'1-Acos(Dz)/PI'\n0\n0\n\n", |
306 |
> |
skyfile); |
307 |
|
} |
308 |
|
|
309 |
< |
static void write_hsr_header(FILE *fp, RESOLU *res) { |
310 |
< |
float wvsplit[4] = {380, 480, 588, 780}; |
311 |
< |
newheader("RADIANCE", fp); |
312 |
< |
fputncomp(NSSAMP, fp); |
313 |
< |
fputwlsplit(wvsplit, fp); |
314 |
< |
fputformat(SPECFMT, fp); |
315 |
< |
fputc('\n', fp); |
316 |
< |
fputsresolu(res, fp); |
309 |
> |
static void |
310 |
> |
write_hsr_header |
311 |
> |
( |
312 |
> |
FILE *fp, |
313 |
> |
RESOLU *res |
314 |
> |
) |
315 |
> |
{ |
316 |
> |
newheader("RADIANCE", fp); |
317 |
> |
fputncomp(NSSAMP, fp); |
318 |
> |
fputwlsplit(WLPART, fp); |
319 |
> |
fputformat(SPECFMT, fp); |
320 |
> |
fputc('\n', fp); |
321 |
> |
fputsresolu(res, fp); |
322 |
|
} |
323 |
|
|
324 |
< |
static inline float frac(float x) { return x - floor(x); } |
324 |
> |
static void |
325 |
> |
reverse_array_float |
326 |
> |
( |
327 |
> |
float arr[], |
328 |
> |
int size |
329 |
> |
) |
330 |
> |
{ |
331 |
> |
int start = 0; |
332 |
> |
int end = size - 1; |
333 |
|
|
334 |
< |
int gen_spect_sky(DATARRAY *tau_clear, DATARRAY *scat_clear, |
335 |
< |
DATARRAY *scat1m_clear, DATARRAY *irrad_clear, |
336 |
< |
const double cloud_cover, const FVECT sundir, |
337 |
< |
const double grefl, const int res, const char *outname, |
338 |
< |
const char *ddir, const double dirnorm, const double difhor) { |
339 |
< |
char skyfile[PATH_MAX]; |
340 |
< |
if (!snprintf(skyfile, sizeof(skyfile), "%s%c%s_sky.hsr", ddir, DIRSEP, |
341 |
< |
outname)) { |
234 |
< |
fprintf(stderr, "Error setting sky file name\n"); |
235 |
< |
return 0; |
236 |
< |
}; |
237 |
< |
int xres = res; |
238 |
< |
int yres = xres / 2; |
239 |
< |
RESOLU rs = {PIXSTANDARD, xres, yres}; |
240 |
< |
FILE *skyfp = fopen(skyfile, "w"); |
241 |
< |
write_hsr_header(skyfp, &rs); |
334 |
> |
while (start < end) { |
335 |
> |
float temp = arr[start]; |
336 |
> |
arr[start] = arr[end]; |
337 |
> |
arr[end] = temp; |
338 |
> |
start++; |
339 |
> |
end--; |
340 |
> |
} |
341 |
> |
} |
342 |
|
|
343 |
< |
CNDX[3] = NSSAMP; |
343 |
> |
int |
344 |
> |
gen_spect_sky |
345 |
> |
( |
346 |
> |
DATARRAY *tau_clear, |
347 |
> |
DATARRAY *scat_clear, |
348 |
> |
DATARRAY *scat1m_clear, |
349 |
> |
DATARRAY *irrad_clear, |
350 |
> |
const double cloud_cover, |
351 |
> |
const FVECT sundir, |
352 |
> |
const double grefl, |
353 |
> |
const int res, |
354 |
> |
const char *outname, |
355 |
> |
const char *ddir, |
356 |
> |
const double dirnorm, |
357 |
> |
const double difhor |
358 |
> |
) |
359 |
> |
{ |
360 |
> |
char skyfile[PATH_MAX]; |
361 |
> |
if (!snprintf( |
362 |
> |
skyfile, sizeof(skyfile), "%s%c%s_sky.hsr", ddir, DIRSEP, outname)) { |
363 |
> |
fprintf(stderr, "Error setting sky file name\n"); |
364 |
> |
return 0; |
365 |
> |
} |
366 |
> |
; |
367 |
> |
int xres = res; |
368 |
> |
int yres = xres / 2; |
369 |
> |
RESOLU rs = {PIXSTANDARD, xres, yres}; |
370 |
> |
FILE *skyfp = fopen(skyfile, "w"); |
371 |
> |
write_hsr_header(skyfp, &rs); |
372 |
|
|
373 |
< |
FVECT view_point = {0, 0, ER + 10}; |
246 |
< |
const double radius = VLEN(view_point); |
247 |
< |
const double sun_ct = fdot(view_point, sundir) / radius; |
373 |
> |
CNDX[3] = NSSAMP; |
374 |
|
|
375 |
< |
double overcast_zenithbr = get_overcast_zenith_brightness(sundir); |
376 |
< |
double overcast_grndbr = overcast_zenithbr * GNORM; |
375 |
> |
FVECT view_point = {0, 0, ER + 10}; |
376 |
> |
const double radius = VLEN(view_point); |
377 |
> |
const double sun_ct = fdot(view_point, sundir) / radius; |
378 |
|
|
379 |
< |
double dif_ratio = 1; |
380 |
< |
if (difhor > 0) { |
254 |
< |
DATARRAY *indirect_irradiance_clear = get_indirect_irradiance(irrad_clear, radius, sun_ct); |
255 |
< |
double overcast_ghi = overcast_zenithbr * 7.0 * PI / 9.0; |
256 |
< |
double diffuse_irradiance = 0; |
257 |
< |
int l; |
258 |
< |
for (l = 0; l < NSSAMP; ++l) { |
259 |
< |
diffuse_irradiance += indirect_irradiance_clear->arr.d[l] * 20; /* 20nm interval */ |
260 |
< |
} |
261 |
< |
free(indirect_irradiance_clear); |
262 |
< |
diffuse_irradiance = wmean2(diffuse_irradiance, overcast_ghi, cloud_cover); |
263 |
< |
dif_ratio = difhor / WHTEFFICACY / diffuse_irradiance / 1.15; /* fudge */ |
264 |
< |
} |
265 |
< |
int i, j, k; |
266 |
< |
for (j = 0; j < yres; ++j) { |
267 |
< |
for (i = 0; i < xres; ++i) { |
268 |
< |
SCOLOR radiance = {0}; |
269 |
< |
SCOLR sky_sclr = {0}; |
379 |
> |
double overcast_zenithbr = get_overcast_zenith_brightness(sundir); |
380 |
> |
double overcast_grndbr = overcast_zenithbr * GNORM; |
381 |
|
|
382 |
< |
float px = i / (xres - 1.0); |
383 |
< |
float py = j / (yres - 1.0); |
384 |
< |
float lambda = ((1 - py) * PI) - (PI / 2.0); |
385 |
< |
float phi = (px * 2.0 * PI) - PI; |
382 |
> |
double dif_ratio = 1; |
383 |
> |
if (difhor > 0) { |
384 |
> |
DATARRAY *indirect_irradiance_clear = |
385 |
> |
get_indirect_irradiance(irrad_clear, radius, sun_ct); |
386 |
> |
double overcast_ghi = overcast_zenithbr * 7.0 * PI / 9.0; |
387 |
> |
double diffuse_irradiance = 0; |
388 |
> |
int l; |
389 |
> |
for (l = 0; l < NSSAMP; ++l) { |
390 |
> |
diffuse_irradiance += |
391 |
> |
indirect_irradiance_clear->arr.d[l] * 20; /* 20nm interval */ |
392 |
> |
} |
393 |
> |
free(indirect_irradiance_clear); |
394 |
> |
diffuse_irradiance = |
395 |
> |
wmean2(diffuse_irradiance, overcast_ghi, cloud_cover); |
396 |
> |
if (diffuse_irradiance > 0) { |
397 |
> |
dif_ratio = |
398 |
> |
difhor / WHTEFFICACY / diffuse_irradiance / 1.15; /* fudge */ |
399 |
> |
} |
400 |
> |
} |
401 |
> |
int i, j, k; |
402 |
> |
for (j = 0; j < yres; ++j) { |
403 |
> |
for (i = 0; i < xres; ++i) { |
404 |
> |
SCOLOR radiance = {0}; |
405 |
> |
SCOLR sky_sclr = {0}; |
406 |
|
|
407 |
< |
FVECT rdir = {cos(lambda) * cos(phi), cos(lambda) * sin(phi), |
408 |
< |
sin(lambda)}; |
407 |
> |
float px = i / (xres - 1.0); |
408 |
> |
float py = j / (yres - 1.0); |
409 |
> |
float lambda = ((1 - py) * PI) - (PI / 2.0); |
410 |
> |
float phi = (px * 2.0 * PI) - PI; |
411 |
|
|
412 |
< |
const double mu = fdot(view_point, rdir) / radius; |
413 |
< |
const double nu = fdot(rdir, sundir); |
412 |
> |
FVECT rdir = { |
413 |
> |
cos(lambda) * cos(phi), cos(lambda) * sin(phi), sin(lambda) |
414 |
> |
}; |
415 |
|
|
416 |
< |
/* hit ground */ |
417 |
< |
if (rdir[2] < 0) { |
284 |
< |
get_ground_radiance(tau_clear, scat_clear, scat1m_clear, irrad_clear, |
285 |
< |
view_point, rdir, radius, mu, sun_ct, nu, grefl, |
286 |
< |
sundir, radiance); |
287 |
< |
} else { |
288 |
< |
get_sky_radiance(scat_clear, scat1m_clear, radius, mu, sun_ct, nu, |
289 |
< |
radiance); |
290 |
< |
} |
416 |
> |
const double mu = fdot(view_point, rdir) / radius; |
417 |
> |
const double nu = fdot(rdir, sundir); |
418 |
|
|
419 |
< |
for (k = 0; k < NSSAMP; ++k) { |
420 |
< |
radiance[k] *= WVLSPAN; |
421 |
< |
} |
419 |
> |
/* hit ground */ |
420 |
> |
if (rdir[2] < 0) { |
421 |
> |
get_ground_radiance( |
422 |
> |
tau_clear, |
423 |
> |
scat_clear, |
424 |
> |
scat1m_clear, |
425 |
> |
irrad_clear, |
426 |
> |
view_point, |
427 |
> |
rdir, |
428 |
> |
radius, |
429 |
> |
mu, |
430 |
> |
sun_ct, |
431 |
> |
nu, |
432 |
> |
grefl, |
433 |
> |
sundir, |
434 |
> |
radiance); |
435 |
> |
} else { |
436 |
> |
get_sky_radiance( |
437 |
> |
scat_clear, scat1m_clear, radius, mu, sun_ct, nu, radiance); |
438 |
> |
} |
439 |
|
|
440 |
< |
if (cloud_cover > 0) { |
441 |
< |
double skybr = get_overcast_brightness(rdir[2], overcast_zenithbr); |
442 |
< |
if (rdir[2] < 0) { |
299 |
< |
for (k = 0; k < NSSAMP; ++k) { |
300 |
< |
radiance[k] = wmean2(radiance[k], overcast_grndbr * D6415[k], cloud_cover); |
301 |
< |
} |
302 |
< |
} else { |
303 |
< |
for (k = 0; k < NSSAMP; ++k) { |
304 |
< |
radiance[k] = wmean2(radiance[k], skybr * D6415[k], cloud_cover); |
305 |
< |
} |
306 |
< |
} |
307 |
< |
} |
440 |
> |
for (k = 0; k < NSSAMP; ++k) { |
441 |
> |
radiance[k] *= WVLSPAN; |
442 |
> |
} |
443 |
|
|
444 |
< |
for (k = 0; k < NSSAMP; ++k) { |
445 |
< |
radiance[k] *= dif_ratio; |
446 |
< |
} |
444 |
> |
if (cloud_cover > 0) { |
445 |
> |
double skybr = |
446 |
> |
get_overcast_brightness(rdir[2], overcast_zenithbr); |
447 |
> |
if (rdir[2] < 0) { |
448 |
> |
for (k = 0; k < NSSAMP; ++k) { |
449 |
> |
radiance[k] = wmean2( |
450 |
> |
radiance[k], |
451 |
> |
overcast_grndbr * D6415[k], |
452 |
> |
cloud_cover); |
453 |
> |
} |
454 |
> |
} else { |
455 |
> |
for (k = 0; k < NSSAMP; ++k) { |
456 |
> |
radiance[k] = |
457 |
> |
wmean2(radiance[k], skybr * D6415[k], cloud_cover); |
458 |
> |
} |
459 |
> |
} |
460 |
> |
} |
461 |
|
|
462 |
< |
scolor2scolr(sky_sclr, radiance, NSSAMP); |
463 |
< |
putbinary(sky_sclr, LSCOLR, 1, skyfp); |
464 |
< |
} |
316 |
< |
} |
317 |
< |
fclose(skyfp); |
462 |
> |
for (k = 0; k < NSSAMP; ++k) { |
463 |
> |
radiance[k] *= dif_ratio; |
464 |
> |
} |
465 |
|
|
466 |
< |
/* Get solar radiance */ |
320 |
< |
double sun_radiance[NSSAMP] = {0}; |
321 |
< |
get_solar_radiance(tau_clear, scat_clear, scat1m_clear, sundir, radius, |
322 |
< |
sun_ct, sun_radiance); |
323 |
< |
if (cloud_cover > 0) { |
324 |
< |
double skybr = get_overcast_brightness(sundir[2], overcast_zenithbr); |
325 |
< |
int i; |
326 |
< |
for (i = 0; i < NSSAMP; ++i) { |
327 |
< |
sun_radiance[i] = |
328 |
< |
wmean2(sun_radiance[i], D6415[i] * skybr / WVLSPAN, cloud_cover); |
329 |
< |
} |
330 |
< |
} |
466 |
> |
reverse_array_float(radiance, NSSAMP); |
467 |
|
|
468 |
< |
/* Normalize */ |
469 |
< |
double sum = 0.0; |
470 |
< |
for (i = 0; i < NSSAMP; ++i) { |
471 |
< |
sum += sun_radiance[i]; |
472 |
< |
} |
337 |
< |
double mean = sum / NSSAMP; |
338 |
< |
for (i = 0; i < NSSAMP; ++i) { |
339 |
< |
sun_radiance[i] /= mean; |
340 |
< |
} |
341 |
< |
double intensity = mean * WVLSPAN; |
342 |
< |
if (dirnorm > 0) { |
343 |
< |
intensity = dirnorm / SOLOMG / WHTEFFICACY; |
344 |
< |
} |
468 |
> |
scolor2scolr(sky_sclr, radiance, NSSAMP); |
469 |
> |
putbinary(sky_sclr, LSCOLR, 1, skyfp); |
470 |
> |
} |
471 |
> |
} |
472 |
> |
fclose(skyfp); |
473 |
|
|
474 |
< |
write_rad(sun_radiance, intensity, sundir, ddir, skyfile); |
475 |
< |
return 1; |
474 |
> |
/* Get solar radiance */ |
475 |
> |
double sun_radiance[NSSAMP] = {0}; |
476 |
> |
get_solar_radiance( |
477 |
> |
tau_clear, |
478 |
> |
scat_clear, |
479 |
> |
scat1m_clear, |
480 |
> |
sundir, |
481 |
> |
radius, |
482 |
> |
sun_ct, |
483 |
> |
sun_radiance); |
484 |
> |
if (cloud_cover > 0) { |
485 |
> |
double skybr = get_overcast_brightness(sundir[2], overcast_zenithbr); |
486 |
> |
int i; |
487 |
> |
for (i = 0; i < NSSAMP; ++i) { |
488 |
> |
sun_radiance[i] = wmean2( |
489 |
> |
sun_radiance[i], D6415[i] * skybr / WVLSPAN, cloud_cover); |
490 |
> |
} |
491 |
> |
} |
492 |
> |
|
493 |
> |
/* Normalize */ |
494 |
> |
double sum = 0.0; |
495 |
> |
for (i = 0; i < NSSAMP; ++i) { |
496 |
> |
sum += sun_radiance[i]; |
497 |
> |
} |
498 |
> |
double mean = sum / NSSAMP; |
499 |
> |
for (i = 0; i < NSSAMP; ++i) { |
500 |
> |
sun_radiance[i] /= mean; |
501 |
> |
} |
502 |
> |
double intensity = mean * WVLSPAN; |
503 |
> |
if (dirnorm > 0) { |
504 |
> |
intensity = dirnorm / SOLOMG / WHTEFFICACY; |
505 |
> |
} |
506 |
> |
|
507 |
> |
write_rad(sun_radiance, intensity, sundir, ddir, skyfile); |
508 |
> |
return 1; |
509 |
|
} |
510 |
|
|
511 |
< |
static DpPaths get_dppaths(const char *dir, const double aod, const char *mname, |
512 |
< |
const char *tag) { |
513 |
< |
DpPaths paths; |
511 |
> |
static DpPaths |
512 |
> |
get_dppaths |
513 |
> |
( |
514 |
> |
const char *dir, |
515 |
> |
const double aod, |
516 |
> |
const char *mname, |
517 |
> |
const char *tag |
518 |
> |
) |
519 |
> |
{ |
520 |
> |
DpPaths paths; |
521 |
|
|
522 |
< |
snprintf(paths.tau, PATH_MAX, "%s%ctau_%s_%s_%.2f.dat", dir, DIRSEP, tag, |
523 |
< |
mname, aod); |
524 |
< |
snprintf(paths.scat, PATH_MAX, "%s%cscat_%s_%s_%.2f.dat", dir, DIRSEP, tag, |
525 |
< |
mname, aod); |
526 |
< |
snprintf(paths.scat1m, PATH_MAX, "%s%cscat1m_%s_%s_%.2f.dat", dir, DIRSEP, |
527 |
< |
tag, mname, aod); |
528 |
< |
snprintf(paths.irrad, PATH_MAX, "%s%cirrad_%s_%s_%.2f.dat", dir, DIRSEP, tag, |
529 |
< |
mname, aod); |
522 |
> |
snprintf( |
523 |
> |
paths.tau, |
524 |
> |
PATH_MAX, |
525 |
> |
"%s%ctau_%s_%s_%.2f.dat", |
526 |
> |
dir, |
527 |
> |
DIRSEP, |
528 |
> |
tag, |
529 |
> |
mname, |
530 |
> |
aod); |
531 |
> |
snprintf( |
532 |
> |
paths.scat, |
533 |
> |
PATH_MAX, |
534 |
> |
"%s%cscat_%s_%s_%.2f.dat", |
535 |
> |
dir, |
536 |
> |
DIRSEP, |
537 |
> |
tag, |
538 |
> |
mname, |
539 |
> |
aod); |
540 |
> |
snprintf( |
541 |
> |
paths.scat1m, |
542 |
> |
PATH_MAX, |
543 |
> |
"%s%cscat1m_%s_%s_%.2f.dat", |
544 |
> |
dir, |
545 |
> |
DIRSEP, |
546 |
> |
tag, |
547 |
> |
mname, |
548 |
> |
aod); |
549 |
> |
snprintf( |
550 |
> |
paths.irrad, |
551 |
> |
PATH_MAX, |
552 |
> |
"%s%cirrad_%s_%s_%.2f.dat", |
553 |
> |
dir, |
554 |
> |
DIRSEP, |
555 |
> |
tag, |
556 |
> |
mname, |
557 |
> |
aod); |
558 |
|
|
559 |
< |
return paths; |
559 |
> |
return paths; |
560 |
|
} |
561 |
|
|
562 |
< |
static void set_rayleigh_density_profile(Atmosphere *atmos, char *tag, |
563 |
< |
const int is_summer, |
564 |
< |
const double s_latitude) { |
565 |
< |
if (fabs(s_latitude * 180.0 / PI) > ARCTIC_LAT) { |
566 |
< |
tag[0] = 's'; |
567 |
< |
if (is_summer) { |
568 |
< |
tag[1] = 's'; |
569 |
< |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_SS; |
570 |
< |
atmos->beta_r0 = BR0_SS; |
571 |
< |
} else { |
572 |
< |
tag[1] = 'w'; |
573 |
< |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_SW; |
574 |
< |
atmos->beta_r0 = BR0_SW; |
575 |
< |
} |
576 |
< |
} else if (fabs(s_latitude * 180.0 / PI) > TROPIC_LAT) { |
577 |
< |
tag[0] = 'm'; |
578 |
< |
if (is_summer) { |
579 |
< |
tag[1] = 's'; |
580 |
< |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_MS; |
581 |
< |
atmos->beta_r0 = BR0_MS; |
582 |
< |
} else { |
583 |
< |
tag[1] = 'w'; |
584 |
< |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_MW; |
585 |
< |
atmos->beta_r0 = BR0_MW; |
586 |
< |
} |
587 |
< |
} else { |
588 |
< |
tag[0] = 't'; |
589 |
< |
tag[1] = 'r'; |
590 |
< |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_T; |
591 |
< |
atmos->beta_r0 = BR0_T; |
592 |
< |
} |
593 |
< |
tag[2] = '\0'; |
562 |
> |
static void |
563 |
> |
set_rayleigh_density_profile |
564 |
> |
( |
565 |
> |
Atmosphere *atmos, |
566 |
> |
char *tag, |
567 |
> |
const int is_summer, |
568 |
> |
const double s_latitude |
569 |
> |
) |
570 |
> |
{ |
571 |
> |
if (fabs(s_latitude * 180.0 / PI) > ARCTIC_LAT) { |
572 |
> |
tag[0] = 's'; |
573 |
> |
if (is_summer) { |
574 |
> |
tag[1] = 's'; |
575 |
> |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_SS; |
576 |
> |
atmos->beta_r0 = BR0_SS; |
577 |
> |
} else { |
578 |
> |
tag[1] = 'w'; |
579 |
> |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_SW; |
580 |
> |
atmos->beta_r0 = BR0_SW; |
581 |
> |
} |
582 |
> |
} else if (fabs(s_latitude * 180.0 / PI) > TROPIC_LAT) { |
583 |
> |
tag[0] = 'm'; |
584 |
> |
if (is_summer) { |
585 |
> |
tag[1] = 's'; |
586 |
> |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_MS; |
587 |
> |
atmos->beta_r0 = BR0_MS; |
588 |
> |
} else { |
589 |
> |
tag[1] = 'w'; |
590 |
> |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_MW; |
591 |
> |
atmos->beta_r0 = BR0_MW; |
592 |
> |
} |
593 |
> |
} else { |
594 |
> |
tag[0] = 't'; |
595 |
> |
tag[1] = 'r'; |
596 |
> |
atmos->rayleigh_density.layers[0].exp_scale = -1.0 / HR_T; |
597 |
> |
atmos->beta_r0 = BR0_T; |
598 |
> |
} |
599 |
> |
tag[2] = '\0'; |
600 |
|
} |
601 |
|
|
602 |
< |
static Atmosphere init_atmos(const double aod, const double grefl) { |
603 |
< |
Atmosphere atmos = {.ozone_density = {.layers = |
604 |
< |
{ |
605 |
< |
{.width = 25000.0, |
606 |
< |
.exp_term = 0.0, |
607 |
< |
.exp_scale = 0.0, |
608 |
< |
.linear_term = 1.0 / 15000.0, |
609 |
< |
.constant_term = -2.0 / 3.0}, |
610 |
< |
{.width = AH, |
611 |
< |
.exp_term = 0.0, |
612 |
< |
.exp_scale = 0.0, |
613 |
< |
.linear_term = -1.0 / 15000.0, |
614 |
< |
.constant_term = 8.0 / 3.0}, |
615 |
< |
}}, |
616 |
< |
.rayleigh_density = {.layers = |
617 |
< |
{ |
618 |
< |
{.width = AH, |
619 |
< |
.exp_term = 1.0, |
620 |
< |
.exp_scale = -1.0 / HR_MS, |
621 |
< |
.linear_term = 0.0, |
622 |
< |
.constant_term = 0.0}, |
623 |
< |
}}, |
624 |
< |
.beta_r0 = BR0_MS, |
625 |
< |
.beta_scale = aod / AOD0_CA, |
626 |
< |
.beta_m = NULL, |
627 |
< |
.grefl = grefl}; |
628 |
< |
return atmos; |
602 |
> |
static Atmosphere |
603 |
> |
init_atmos |
604 |
> |
( |
605 |
> |
const double aod, |
606 |
> |
const double grefl |
607 |
> |
) |
608 |
> |
{ |
609 |
> |
Atmosphere atmos = { |
610 |
> |
.ozone_density = |
611 |
> |
{.layers = |
612 |
> |
{ |
613 |
> |
{.width = 25000.0, |
614 |
> |
.exp_term = 0.0, |
615 |
> |
.exp_scale = 0.0, |
616 |
> |
.linear_term = 1.0 / 15000.0, |
617 |
> |
.constant_term = -2.0 / 3.0}, |
618 |
> |
{.width = AH, |
619 |
> |
.exp_term = 0.0, |
620 |
> |
.exp_scale = 0.0, |
621 |
> |
.linear_term = -1.0 / 15000.0, |
622 |
> |
.constant_term = 8.0 / 3.0}, |
623 |
> |
}}, |
624 |
> |
.rayleigh_density = |
625 |
> |
{.layers = |
626 |
> |
{ |
627 |
> |
{.width = AH, |
628 |
> |
.exp_term = 1.0, |
629 |
> |
.exp_scale = -1.0 / HR_MS, |
630 |
> |
.linear_term = 0.0, |
631 |
> |
.constant_term = 0.0}, |
632 |
> |
}}, |
633 |
> |
.beta_r0 = BR0_MS, |
634 |
> |
.beta_scale = aod / AOD0_CA, |
635 |
> |
.beta_m = NULL, |
636 |
> |
.grefl = grefl |
637 |
> |
}; |
638 |
> |
return atmos; |
639 |
|
} |
640 |
|
|
641 |
< |
int main(int argc, char *argv[]) { |
642 |
< |
progname = argv[0]; |
643 |
< |
int month, day; |
644 |
< |
double hour; |
645 |
< |
FVECT sundir; |
646 |
< |
int num_threads = 1; |
647 |
< |
int sorder = 4; |
648 |
< |
int year = 0; |
649 |
< |
int tsolar = 0; |
650 |
< |
int got_meridian = 0; |
651 |
< |
double grefl = 0.2; |
652 |
< |
double ccover = 0.0; |
653 |
< |
int res = 64; |
654 |
< |
double aod = AOD0_CA; |
655 |
< |
char *outname = "out"; |
656 |
< |
char *mie_path = getpath("mie_ca.dat", getrlibpath(), R_OK); |
657 |
< |
char mie_name[20] = "mie_ca"; |
658 |
< |
char lstag[3]; |
659 |
< |
char *ddir = "."; |
660 |
< |
int i; |
661 |
< |
double dirnorm = 0; /* direct normal illuminance */ |
662 |
< |
double difhor = 0; /* diffuse horizontal illuminance */ |
641 |
> |
int |
642 |
> |
main |
643 |
> |
( |
644 |
> |
int argc, |
645 |
> |
char *argv[] |
646 |
> |
) |
647 |
> |
{ |
648 |
> |
int month, day; |
649 |
> |
double hour; |
650 |
> |
FVECT sundir; |
651 |
> |
int num_threads = 1; |
652 |
> |
int sorder = 4; |
653 |
> |
int year = 0; |
654 |
> |
int tsolar = 0; |
655 |
> |
int got_meridian = 0; |
656 |
> |
double grefl = 0.2; |
657 |
> |
double ccover = 0.0; |
658 |
> |
int res = 64; |
659 |
> |
double aod = AOD0_CA; |
660 |
> |
char *outname = "out"; |
661 |
> |
char *mie_path = getpath("mie_ca.dat", getrlibpath(), R_OK); |
662 |
> |
char mie_name[20] = "mie_ca"; |
663 |
> |
char lstag[3]; |
664 |
> |
char *ddir = "."; |
665 |
> |
int i; |
666 |
> |
double dirnorm = 0; /* direct normal illuminance */ |
667 |
> |
double difhor = 0; /* diffuse horizontal illuminance */ |
668 |
|
|
669 |
< |
if (argc == 2 && !strcmp(argv[1], "-defaults")) { |
670 |
< |
printf("-i %d\t\t\t\t#scattering order\n", sorder); |
671 |
< |
printf("-g %f\t\t\t#ground reflectance\n", grefl); |
672 |
< |
printf("-c %f\t\t\t#cloud cover\n", ccover); |
673 |
< |
printf("-r %d\t\t\t\t#image resolution\n", res); |
674 |
< |
printf("-d %f\t\t\t#broadband aerosol optical depth\n", AOD0_CA); |
675 |
< |
printf("-f %s\t\t\t\t#output name (-f)\n", outname); |
676 |
< |
printf("-p %s\t\t\t\t#atmos data directory\n", ddir); |
677 |
< |
exit(0); |
678 |
< |
} |
669 |
> |
fixargv0(argv[0]); |
670 |
> |
if (argc == 2 && !strcmp(argv[1], "-defaults")) { |
671 |
> |
printf("-i %d\t\t\t\t#scattering order\n", sorder); |
672 |
> |
printf("-g %f\t\t\t#ground reflectance\n", grefl); |
673 |
> |
printf("-c %f\t\t\t#cloud cover\n", ccover); |
674 |
> |
printf("-r %d\t\t\t\t#image resolution\n", res); |
675 |
> |
printf("-d %f\t\t\t#broadband aerosol optical depth\n", AOD0_CA); |
676 |
> |
printf("-f %s\t\t\t\t#output name (-f)\n", outname); |
677 |
> |
printf("-p %s\t\t\t\t#atmos data directory\n", ddir); |
678 |
> |
exit(0); |
679 |
> |
} |
680 |
|
|
681 |
< |
if (argc < 4) { |
682 |
< |
fprintf(stderr, |
683 |
< |
"Usage: %s month day hour -y year -a lat -o lon -m tz -d aod -r " |
684 |
< |
"res -n nproc -c ccover -l mie -L dirnorm_illum difhor_illum " |
685 |
< |
"-g grefl -f outpath\n", |
686 |
< |
argv[0]); |
687 |
< |
return 0; |
688 |
< |
} |
681 |
> |
if (argc < 4) { |
682 |
> |
fprintf( |
683 |
> |
stderr, |
684 |
> |
"Usage: %s month day hour -y year -a lat -o lon -m tz -d aod " |
685 |
> |
"-r " |
686 |
> |
"res -n nproc -c ccover -l mie -L dirnorm_illum difhor_illum " |
687 |
> |
"-g grefl -f outpath\n", |
688 |
> |
argv[0]); |
689 |
> |
return 0; |
690 |
> |
} |
691 |
|
|
692 |
< |
month = atoi(argv[1]); |
693 |
< |
if (month < 1 || month > 12) { |
694 |
< |
fprintf(stderr, "bad month"); |
695 |
< |
exit(1); |
696 |
< |
} |
697 |
< |
day = atoi(argv[2]); |
698 |
< |
if (day < 1 || day > 31) { |
699 |
< |
fprintf(stderr, "bad month"); |
700 |
< |
exit(1); |
701 |
< |
} |
702 |
< |
got_meridian = cvthour(argv[3], &tsolar, &hour); |
692 |
> |
month = atoi(argv[1]); |
693 |
> |
if (month < 1 || month > 12) { |
694 |
> |
fprintf(stderr, "bad month"); |
695 |
> |
exit(1); |
696 |
> |
} |
697 |
> |
day = atoi(argv[2]); |
698 |
> |
if (day < 1 || day > 31) { |
699 |
> |
fprintf(stderr, "bad month"); |
700 |
> |
exit(1); |
701 |
> |
} |
702 |
> |
got_meridian = cvthour(argv[3], &tsolar, &hour); |
703 |
|
|
704 |
< |
if (!compute_sundir(year, month, day, hour, tsolar, sundir)) { |
705 |
< |
fprintf(stderr, "Cannot compute solar angle\n"); |
706 |
< |
exit(1); |
707 |
< |
} |
704 |
> |
if (!compute_sundir(year, month, day, hour, tsolar, sundir)) { |
705 |
> |
fprintf(stderr, "Cannot compute solar angle\n"); |
706 |
> |
exit(1); |
707 |
> |
} |
708 |
|
|
709 |
< |
for (i = 4; i < argc; i++) { |
710 |
< |
if (argv[i][0] == '-') { |
711 |
< |
switch (argv[i][1]) { |
712 |
< |
case 'a': |
713 |
< |
s_latitude = atof(argv[++i]) * (PI / 180.0); |
714 |
< |
break; |
715 |
< |
case 'c': |
716 |
< |
ccover = atof(argv[++i]); |
717 |
< |
break; |
718 |
< |
case 'd': |
719 |
< |
aod = atof(argv[++i]); |
720 |
< |
break; |
721 |
< |
case 'f': |
722 |
< |
outname = argv[++i]; |
723 |
< |
break; |
724 |
< |
case 'g': |
725 |
< |
grefl = atof(argv[++i]); |
726 |
< |
break; |
727 |
< |
case 'i': |
728 |
< |
sorder = atoi(argv[++i]); |
729 |
< |
break; |
730 |
< |
case 'l': |
731 |
< |
mie_path = argv[++i]; |
732 |
< |
basename(mie_path, mie_name, sizeof(mie_name)); |
733 |
< |
break; |
734 |
< |
case 'm': |
735 |
< |
if (got_meridian) { |
736 |
< |
++i; |
737 |
< |
break; |
738 |
< |
} |
739 |
< |
s_meridian = atof(argv[++i]) * (PI / 180.0); |
740 |
< |
break; |
741 |
< |
case 'n': |
742 |
< |
num_threads = atoi(argv[++i]); |
743 |
< |
break; |
744 |
< |
case 'o': |
745 |
< |
s_longitude = atof(argv[++i]) * (PI / 180.0); |
746 |
< |
break; |
747 |
< |
case 'L': |
748 |
< |
dirnorm = atof(argv[++i]); |
749 |
< |
difhor = atof(argv[++i]); |
750 |
< |
break; |
751 |
< |
case 'p': |
752 |
< |
ddir = argv[++i]; |
753 |
< |
break; |
754 |
< |
case 'r': |
755 |
< |
res = atoi(argv[++i]); |
756 |
< |
break; |
757 |
< |
case 'y': |
758 |
< |
year = atoi(argv[++i]); |
759 |
< |
break; |
760 |
< |
default: |
761 |
< |
fprintf(stderr, "Unknown option %s\n", argv[i]); |
762 |
< |
exit(1); |
763 |
< |
} |
764 |
< |
} |
765 |
< |
} |
766 |
< |
if (year && (year < 1950) | (year > 2050)) |
767 |
< |
fprintf(stderr, "%s: warning - year should be in range 1950-2050\n", |
768 |
< |
progname); |
769 |
< |
if (month && !tsolar && fabs(s_meridian - s_longitude) > 45 * PI / 180) |
770 |
< |
fprintf(stderr, |
771 |
< |
"%s: warning - %.1f hours btwn. standard meridian and longitude\n", |
772 |
< |
progname, (s_longitude - s_meridian) * 12 / PI); |
709 |
> |
for (i = 4; i < argc; i++) { |
710 |
> |
if (argv[i][0] == '-') { |
711 |
> |
switch (argv[i][1]) { |
712 |
> |
case 'a': |
713 |
> |
s_latitude = atof(argv[++i]) * (PI / 180.0); |
714 |
> |
break; |
715 |
> |
case 'c': |
716 |
> |
ccover = atof(argv[++i]); |
717 |
> |
break; |
718 |
> |
case 'd': |
719 |
> |
aod = atof(argv[++i]); |
720 |
> |
break; |
721 |
> |
case 'f': |
722 |
> |
outname = argv[++i]; |
723 |
> |
break; |
724 |
> |
case 'g': |
725 |
> |
grefl = atof(argv[++i]); |
726 |
> |
break; |
727 |
> |
case 'i': |
728 |
> |
sorder = atoi(argv[++i]); |
729 |
> |
break; |
730 |
> |
case 'l': |
731 |
> |
mie_path = argv[++i]; |
732 |
> |
basename(mie_path, mie_name, sizeof(mie_name)); |
733 |
> |
break; |
734 |
> |
case 'm': |
735 |
> |
if (got_meridian) { |
736 |
> |
++i; |
737 |
> |
break; |
738 |
> |
} |
739 |
> |
s_meridian = atof(argv[++i]) * (PI / 180.0); |
740 |
> |
break; |
741 |
> |
case 'n': |
742 |
> |
num_threads = atoi(argv[++i]); |
743 |
> |
break; |
744 |
> |
case 'o': |
745 |
> |
s_longitude = atof(argv[++i]) * (PI / 180.0); |
746 |
> |
break; |
747 |
> |
case 'L': |
748 |
> |
dirnorm = atof(argv[++i]); |
749 |
> |
difhor = atof(argv[++i]); |
750 |
> |
break; |
751 |
> |
case 'p': |
752 |
> |
ddir = argv[++i]; |
753 |
> |
break; |
754 |
> |
case 'r': |
755 |
> |
res = atoi(argv[++i]); |
756 |
> |
break; |
757 |
> |
case 'y': |
758 |
> |
year = atoi(argv[++i]); |
759 |
> |
break; |
760 |
> |
default: |
761 |
> |
fprintf(stderr, "Unknown option %s\n", argv[i]); |
762 |
> |
exit(1); |
763 |
> |
} |
764 |
> |
} |
765 |
> |
} |
766 |
> |
if (year && (year < 1950) | (year > 2050)) { |
767 |
> |
fprintf( |
768 |
> |
stderr, |
769 |
> |
"%s: warning - year should be in range 1950-2050\n", |
770 |
> |
progname); |
771 |
> |
} |
772 |
> |
if (month && !tsolar && fabs(s_meridian - s_longitude) > 45 * PI / 180) { |
773 |
> |
fprintf( |
774 |
> |
stderr, |
775 |
> |
"%s: warning - %.1f hours btwn. standard meridian and " |
776 |
> |
"longitude\n", |
777 |
> |
progname, |
778 |
> |
(s_longitude - s_meridian) * 12 / PI); |
779 |
> |
} |
780 |
|
|
781 |
< |
Atmosphere clear_atmos = init_atmos(aod, grefl); |
781 |
> |
Atmosphere clear_atmos = init_atmos(aod, grefl); |
782 |
|
|
783 |
< |
int is_summer = (month >= SUMMER_START && month <= SUMMER_END); |
784 |
< |
if (s_latitude < 0) { |
785 |
< |
is_summer = !is_summer; |
786 |
< |
} |
787 |
< |
set_rayleigh_density_profile(&clear_atmos, lstag, is_summer, s_latitude); |
783 |
> |
int is_summer = (month >= SUMMER_START && month <= SUMMER_END); |
784 |
> |
if (s_latitude < 0) { |
785 |
> |
is_summer = !is_summer; |
786 |
> |
} |
787 |
> |
set_rayleigh_density_profile(&clear_atmos, lstag, is_summer, s_latitude); |
788 |
|
|
789 |
< |
/* Load mie density data */ |
790 |
< |
DATARRAY *mie_dp = getdata(mie_path); |
791 |
< |
if (mie_dp == NULL) { |
792 |
< |
fprintf(stderr, "Error reading mie data\n"); |
793 |
< |
return 0; |
794 |
< |
} |
795 |
< |
clear_atmos.beta_m = mie_dp; |
789 |
> |
/* Load mie density data */ |
790 |
> |
DATARRAY *mie_dp = getdata(mie_path); |
791 |
> |
if (mie_dp == NULL) { |
792 |
> |
fprintf(stderr, "Error reading mie data\n"); |
793 |
> |
return 0; |
794 |
> |
} |
795 |
> |
clear_atmos.beta_m = mie_dp; |
796 |
|
|
797 |
< |
char gsdir[PATH_MAX]; |
798 |
< |
size_t siz = strlen(ddir); |
799 |
< |
if (ISDIRSEP(ddir[siz - 1])) |
800 |
< |
ddir[siz - 1] = '\0'; |
801 |
< |
snprintf(gsdir, PATH_MAX, "%s%catmos_data", ddir, DIRSEP); |
802 |
< |
if (!make_directory(gsdir)) { |
803 |
< |
fprintf(stderr, "Failed creating atmos_data directory"); |
804 |
< |
exit(1); |
805 |
< |
} |
806 |
< |
DpPaths clear_paths = get_dppaths(gsdir, aod, mie_name, lstag); |
797 |
> |
char gsdir[PATH_MAX]; |
798 |
> |
size_t siz = strlen(ddir); |
799 |
> |
if (ISDIRSEP(ddir[siz - 1])) { |
800 |
> |
ddir[siz - 1] = '\0'; |
801 |
> |
} |
802 |
> |
snprintf(gsdir, PATH_MAX, "%s%catmos_data", ddir, DIRSEP); |
803 |
> |
if (!make_directory(gsdir)) { |
804 |
> |
fprintf(stderr, "Failed creating atmos_data directory"); |
805 |
> |
exit(1); |
806 |
> |
} |
807 |
> |
DpPaths clear_paths = get_dppaths(gsdir, aod, mie_name, lstag); |
808 |
|
|
809 |
< |
if (getpath(clear_paths.tau, ".", R_OK) == NULL || |
810 |
< |
getpath(clear_paths.scat, ".", R_OK) == NULL || |
811 |
< |
getpath(clear_paths.scat1m, ".", R_OK) == NULL || |
812 |
< |
getpath(clear_paths.irrad, ".", R_OK) == NULL) { |
813 |
< |
printf("# Pre-computing...\n"); |
814 |
< |
if (!precompute(sorder, clear_paths, &clear_atmos, num_threads)) { |
815 |
< |
fprintf(stderr, "Pre-compute failed\n"); |
816 |
< |
return 0; |
817 |
< |
} |
818 |
< |
} |
809 |
> |
if (getpath(clear_paths.tau, ".", R_OK) == NULL || |
810 |
> |
getpath(clear_paths.scat, ".", R_OK) == NULL || |
811 |
> |
getpath(clear_paths.scat1m, ".", R_OK) == NULL || |
812 |
> |
getpath(clear_paths.irrad, ".", R_OK) == NULL) { |
813 |
> |
printf("# Pre-computing...\n"); |
814 |
> |
if (!precompute(sorder, clear_paths, &clear_atmos, num_threads)) { |
815 |
> |
fprintf(stderr, "Pre-compute failed\n"); |
816 |
> |
return 0; |
817 |
> |
} |
818 |
> |
} |
819 |
|
|
820 |
< |
DATARRAY *tau_clear_dp = getdata(clear_paths.tau); |
821 |
< |
DATARRAY *irrad_clear_dp = getdata(clear_paths.irrad); |
822 |
< |
DATARRAY *scat_clear_dp = getdata(clear_paths.scat); |
823 |
< |
DATARRAY *scat1m_clear_dp = getdata(clear_paths.scat1m); |
820 |
> |
DATARRAY *tau_clear_dp = getdata(clear_paths.tau); |
821 |
> |
DATARRAY *irrad_clear_dp = getdata(clear_paths.irrad); |
822 |
> |
DATARRAY *scat_clear_dp = getdata(clear_paths.scat); |
823 |
> |
DATARRAY *scat1m_clear_dp = getdata(clear_paths.scat1m); |
824 |
|
|
825 |
< |
write_header(argc, argv, ccover, grefl, res); |
825 |
> |
write_header(argc, argv, ccover, grefl, res); |
826 |
|
|
827 |
< |
if (!gen_spect_sky(tau_clear_dp, scat_clear_dp, scat1m_clear_dp, |
828 |
< |
irrad_clear_dp, ccover, sundir, grefl, res, outname, ddir, |
829 |
< |
dirnorm, difhor)) { |
830 |
< |
fprintf(stderr, "gen_spect_sky failed\n"); |
831 |
< |
exit(1); |
832 |
< |
} |
827 |
> |
if (!gen_spect_sky( |
828 |
> |
tau_clear_dp, |
829 |
> |
scat_clear_dp, |
830 |
> |
scat1m_clear_dp, |
831 |
> |
irrad_clear_dp, |
832 |
> |
ccover, |
833 |
> |
sundir, |
834 |
> |
grefl, |
835 |
> |
res, |
836 |
> |
outname, |
837 |
> |
ddir, |
838 |
> |
dirnorm, |
839 |
> |
difhor)) { |
840 |
> |
fprintf(stderr, "gen_spect_sky failed\n"); |
841 |
> |
exit(1); |
842 |
> |
} |
843 |
|
|
844 |
< |
freedata(mie_dp); |
845 |
< |
freedata(tau_clear_dp); |
846 |
< |
freedata(scat_clear_dp); |
847 |
< |
freedata(irrad_clear_dp); |
848 |
< |
freedata(scat1m_clear_dp); |
844 |
> |
freedata(mie_dp); |
845 |
> |
freedata(tau_clear_dp); |
846 |
> |
freedata(scat_clear_dp); |
847 |
> |
freedata(irrad_clear_dp); |
848 |
> |
freedata(scat1m_clear_dp); |
849 |
|
|
850 |
< |
return 1; |
850 |
> |
return 1; |
851 |
|
} |