85 |
|
#include <stdlib.h> |
86 |
|
#include <string.h> |
87 |
|
#include <ctype.h> |
88 |
– |
#include "rtmath.h" |
88 |
|
#include "platform.h" |
89 |
+ |
#include "rtmath.h" |
90 |
+ |
#include "rtio.h" |
91 |
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#include "color.h" |
92 |
+ |
#include "sun.h" |
93 |
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|
94 |
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char *progname; /* Program name */ |
95 |
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char errmsg[128]; /* Error message buffer */ |
254 |
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#define NSUNPATCH 4 /* max. # patches to spread sun into */ |
255 |
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#endif |
256 |
|
|
255 |
– |
extern int jdate(int month, int day); |
256 |
– |
extern double stadj(int jd); |
257 |
– |
extern double sdec(int jd); |
258 |
– |
extern double salt(double sd, double st); |
259 |
– |
extern double sazi(double sd, double st); |
260 |
– |
/* sun calculation constants */ |
261 |
– |
extern double s_latitude; |
262 |
– |
extern double s_longitude; |
263 |
– |
extern double s_meridian; |
264 |
– |
|
257 |
|
int nsuns = NSUNPATCH; /* number of sun patches to use */ |
258 |
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double fixed_sun_sa = -1; /* fixed solid angle per sun? */ |
259 |
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|
310 |
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double elevation; /* site elevation (meters) */ |
311 |
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int dir_is_horiz; /* direct is meas. on horizontal? */ |
312 |
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float *mtx_data = NULL; /* our matrix data */ |
313 |
< |
int ntsteps = 0; /* number of rows in matrix */ |
314 |
< |
int step_alloc = 0; |
313 |
> |
int avgSky = 0; /* compute average sky r.t. matrix? */ |
314 |
> |
int ntsteps = 0; /* number of time steps */ |
315 |
> |
int tstorage = 0; /* number of allocated time steps */ |
316 |
> |
int nstored = 0; /* number of time steps in matrix */ |
317 |
|
int last_monthly = 0; /* month of last report */ |
318 |
+ |
int inconsistent = 0; /* inconsistent options set? */ |
319 |
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int mo, da; /* month (1-12) and day (1-31) */ |
320 |
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double hr; /* hour (local standard time) */ |
321 |
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double dir, dif; /* direct and diffuse values */ |
366 |
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rhsubdiv = atoi(argv[++i]); |
367 |
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break; |
368 |
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case 'c': /* sky color */ |
369 |
+ |
inconsistent |= (skycolor[1] <= 1e-4); |
370 |
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skycolor[0] = atof(argv[++i]); |
371 |
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skycolor[1] = atof(argv[++i]); |
372 |
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skycolor[2] = atof(argv[++i]); |
373 |
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break; |
374 |
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case 'd': /* solar (direct) only */ |
375 |
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skycolor[0] = skycolor[1] = skycolor[2] = 0; |
376 |
< |
if (suncolor[1] <= 1e-4) |
376 |
> |
if (suncolor[1] <= 1e-4) { |
377 |
> |
inconsistent = 1; |
378 |
|
suncolor[0] = suncolor[1] = suncolor[2] = 1; |
379 |
+ |
} |
380 |
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break; |
381 |
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case 's': /* sky only (no direct) */ |
382 |
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suncolor[0] = suncolor[1] = suncolor[2] = 0; |
383 |
< |
if (skycolor[1] <= 1e-4) |
383 |
> |
if (skycolor[1] <= 1e-4) { |
384 |
> |
inconsistent = 1; |
385 |
|
skycolor[0] = skycolor[1] = skycolor[2] = 1; |
386 |
+ |
} |
387 |
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break; |
388 |
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case 'r': /* rotate distribution */ |
389 |
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if (argv[i][2] && argv[i][2] != 'z') |
392 |
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break; |
393 |
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case '5': /* 5-phase calculation */ |
394 |
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nsuns = 1; |
395 |
< |
fixed_sun_sa = 6.797e-05; |
395 |
> |
fixed_sun_sa = PI/360.*atof(argv[++i]); |
396 |
> |
if (fixed_sun_sa <= 0) { |
397 |
> |
fprintf(stderr, "%s: missing solar disk size argument for '-5' option\n", |
398 |
> |
argv[0]); |
399 |
> |
exit(1); |
400 |
> |
} |
401 |
> |
fixed_sun_sa *= fixed_sun_sa*PI; |
402 |
|
break; |
403 |
+ |
case 'A': /* compute average sky */ |
404 |
+ |
avgSky = 1; |
405 |
+ |
break; |
406 |
|
default: |
407 |
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goto userr; |
408 |
|
} |
409 |
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if (i < argc-1) |
410 |
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goto userr; |
411 |
+ |
if (inconsistent) |
412 |
+ |
fprintf(stderr, "%s: WARNING: inconsistent -s, -d, -c options!\n", |
413 |
+ |
progname); |
414 |
|
if (i == argc-1 && freopen(argv[i], "r", stdin) == NULL) { |
415 |
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fprintf(stderr, "%s: cannot open '%s' for input\n", |
416 |
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progname, argv[i]); |
468 |
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s_latitude = DegToRad(s_latitude); |
469 |
|
s_longitude = DegToRad(s_longitude); |
470 |
|
s_meridian = DegToRad(s_meridian); |
471 |
+ |
/* initial allocation */ |
472 |
+ |
mtx_data = resize_dmatrix(mtx_data, tstorage=2, nskypatch); |
473 |
|
/* process each time step in tape */ |
474 |
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while (scanf("%d %d %lf %lf %lf\n", &mo, &da, &hr, &dir, &dif) == 5) { |
475 |
|
double sda, sta; |
476 |
< |
/* make space for next time step */ |
477 |
< |
mtx_offset = 3*nskypatch*ntsteps++; |
478 |
< |
if (ntsteps > step_alloc) { |
479 |
< |
step_alloc += (step_alloc>>1) + ntsteps + 7; |
480 |
< |
mtx_data = resize_dmatrix(mtx_data, step_alloc, nskypatch); |
476 |
> |
|
477 |
> |
mtx_offset = 3*nskypatch*nstored; |
478 |
> |
nstored += !avgSky | !nstored; |
479 |
> |
/* make space for next row */ |
480 |
> |
if (nstored > tstorage) { |
481 |
> |
tstorage += (tstorage>>1) + nstored + 7; |
482 |
> |
mtx_data = resize_dmatrix(mtx_data, tstorage, nskypatch); |
483 |
|
} |
484 |
+ |
ntsteps++; /* keep count of time steps */ |
485 |
|
if (dif <= 1e-4) { |
486 |
< |
memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
486 |
> |
if (!avgSky | !mtx_offset) |
487 |
> |
memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
488 |
|
continue; |
489 |
|
} |
490 |
|
if (verbose && mo != last_monthly) |
509 |
|
/* compute sky patch values */ |
510 |
|
ComputeSky(mtx_data+mtx_offset); |
511 |
|
AddDirect(mtx_data+mtx_offset); |
512 |
+ |
/* update cumulative sky? */ |
513 |
+ |
for (i = 3*nskypatch*(avgSky&(ntsteps>1)); i--; ) |
514 |
+ |
mtx_data[i] += mtx_data[mtx_offset+i]; |
515 |
|
} |
516 |
|
/* check for junk at end */ |
517 |
|
while ((i = fgetc(stdin)) != EOF) |
523 |
|
fputs(buf, stderr); fputc('\n', stderr); |
524 |
|
break; |
525 |
|
} |
526 |
+ |
if (!ntsteps) { |
527 |
+ |
fprintf(stderr, "%s: no valid time steps on input\n", progname); |
528 |
+ |
exit(1); |
529 |
+ |
} |
530 |
+ |
dif = 1./(double)ntsteps; /* average sky? */ |
531 |
+ |
for (i = 3*nskypatch*(avgSky&(ntsteps>1)); i--; ) |
532 |
+ |
mtx_data[i] *= dif; |
533 |
|
/* write out matrix */ |
534 |
|
if (outfmt != 'a') |
535 |
|
SET_FILE_BINARY(stdout); |
538 |
|
#endif |
539 |
|
if (verbose) |
540 |
|
fprintf(stderr, "%s: writing %smatrix with %d time steps...\n", |
541 |
< |
progname, outfmt=='a' ? "" : "binary ", ntsteps); |
541 |
> |
progname, outfmt=='a' ? "" : "binary ", nstored); |
542 |
|
if (doheader) { |
543 |
|
newheader("RADIANCE", stdout); |
544 |
|
printargs(argc, argv, stdout); |
545 |
|
printf("LATLONG= %.8f %.8f\n", RadToDeg(s_latitude), |
546 |
|
-RadToDeg(s_longitude)); |
547 |
|
printf("NROWS=%d\n", nskypatch); |
548 |
< |
printf("NCOLS=%d\n", ntsteps); |
548 |
> |
printf("NCOLS=%d\n", nstored); |
549 |
|
printf("NCOMP=3\n"); |
550 |
< |
fputformat(getfmtname(outfmt), stdout); |
550 |
> |
if ((outfmt == 'f') | (outfmt == 'd')) |
551 |
> |
fputendian(stdout); |
552 |
> |
fputformat((char *)getfmtname(outfmt), stdout); |
553 |
|
putchar('\n'); |
554 |
|
} |
555 |
|
/* patches are rows (outer sort) */ |
557 |
|
mtx_offset = 3*i; |
558 |
|
switch (outfmt) { |
559 |
|
case 'a': |
560 |
< |
for (j = 0; j < ntsteps; j++) { |
560 |
> |
for (j = 0; j < nstored; j++) { |
561 |
|
printf("%.3g %.3g %.3g\n", mtx_data[mtx_offset], |
562 |
|
mtx_data[mtx_offset+1], |
563 |
|
mtx_data[mtx_offset+2]); |
564 |
|
mtx_offset += 3*nskypatch; |
565 |
|
} |
566 |
< |
if (ntsteps > 1) |
566 |
> |
if (nstored > 1) |
567 |
|
fputc('\n', stdout); |
568 |
|
break; |
569 |
|
case 'f': |
570 |
< |
for (j = 0; j < ntsteps; j++) { |
571 |
< |
fwrite(mtx_data+mtx_offset, sizeof(float), 3, |
570 |
> |
for (j = 0; j < nstored; j++) { |
571 |
> |
putbinary(mtx_data+mtx_offset, sizeof(float), 3, |
572 |
|
stdout); |
573 |
|
mtx_offset += 3*nskypatch; |
574 |
|
} |
575 |
|
break; |
576 |
|
case 'd': |
577 |
< |
for (j = 0; j < ntsteps; j++) { |
577 |
> |
for (j = 0; j < nstored; j++) { |
578 |
|
double ment[3]; |
579 |
|
ment[0] = mtx_data[mtx_offset]; |
580 |
|
ment[1] = mtx_data[mtx_offset+1]; |
581 |
|
ment[2] = mtx_data[mtx_offset+2]; |
582 |
< |
fwrite(ment, sizeof(double), 3, stdout); |
582 |
> |
putbinary(ment, sizeof(double), 3, stdout); |
583 |
|
mtx_offset += 3*nskypatch; |
584 |
|
} |
585 |
|
break; |
593 |
|
fprintf(stderr, "%s: done.\n", progname); |
594 |
|
exit(0); |
595 |
|
userr: |
596 |
< |
fprintf(stderr, "Usage: %s [-v][-h][-d|-s][-r deg][-m N][-g r g b][-c r g b][-o{f|d}][-O{0|1}] [tape.wea]\n", |
596 |
> |
fprintf(stderr, "Usage: %s [-v][-h][-A][-d|-s][-r deg][-m N][-g r g b][-c r g b][-o{f|d}][-O{0|1}] [tape.wea]\n", |
597 |
|
progname); |
598 |
|
exit(1); |
599 |
|
fmterr: |
965 |
|
/* Convert illuminance to irradiance */ |
966 |
|
index = GetCategoryIndex(); |
967 |
|
diff_irrad = diff_illum / CalcDiffuseIllumRatio(index); |
968 |
< |
dir_irrad = dir_illum / CalcDirectIllumRatio(index); |
968 |
> |
dir_irrad = CalcDirectIllumRatio(index); |
969 |
> |
if (dir_irrad > 0.1) |
970 |
> |
dir_irrad = dir_illum / dir_irrad; |
971 |
|
|
972 |
|
/* Calculate sky brightness and clearness */ |
973 |
|
sky_brightness = CalcSkyBrightness(); |