86 |
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#include <string.h> |
87 |
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#include <ctype.h> |
88 |
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#include "rtmath.h" |
89 |
+ |
#include "rtio.h" |
90 |
+ |
#include "resolu.h" |
91 |
+ |
#include "platform.h" |
92 |
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#include "color.h" |
93 |
+ |
#include "resolu.h" |
94 |
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|
95 |
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char *progname; /* Program name */ |
96 |
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char errmsg[128]; /* Error message buffer */ |
213 |
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{ 1.950, 2.800 }, |
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{ 2.800, 4.500 }, |
215 |
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{ 4.500, 6.200 }, |
216 |
< |
{ 6.200, 12.00 } /* Clear */ |
216 |
> |
{ 6.200, 12.01 } /* Clear */ |
217 |
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}; |
218 |
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|
219 |
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/* Luminous efficacy model coefficients */ |
296 |
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extern float * resize_dmatrix(float *mtx_data, int nsteps, int npatch); |
297 |
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extern void AddDirect(float *parr); |
298 |
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|
299 |
+ |
|
300 |
+ |
static const char * |
301 |
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getfmtname(int fmt) |
302 |
+ |
{ |
303 |
+ |
switch (fmt) { |
304 |
+ |
case 'a': |
305 |
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return("ascii"); |
306 |
+ |
case 'f': |
307 |
+ |
return("float"); |
308 |
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case 'd': |
309 |
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return("double"); |
310 |
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} |
311 |
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return("unknown"); |
312 |
+ |
} |
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|
314 |
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|
315 |
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int |
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main(int argc, char *argv[]) |
317 |
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{ |
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char buf[256]; |
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int doheader = 1; /* output header? */ |
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double rotation = 0; /* site rotation (degrees) */ |
321 |
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double elevation; /* site elevation (meters) */ |
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int dir_is_horiz; /* direct is meas. on horizontal? */ |
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float *mtx_data = NULL; /* our matrix data */ |
324 |
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int ntsteps = 0; /* number of rows in matrix */ |
324 |
> |
int avgSky = 0; /* compute average sky r.t. matrix? */ |
325 |
> |
int ntsteps = 0; /* number of time steps */ |
326 |
> |
int tstorage = 0; /* number of allocated time steps */ |
327 |
> |
int nstored = 0; /* number of time steps in matrix */ |
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int last_monthly = 0; /* month of last report */ |
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int inconsistent = 0; /* inconsistent options set? */ |
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int mo, da; /* month (1-12) and day (1-31) */ |
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double hr; /* hour (local standard time) */ |
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double dir, dif; /* direct and diffuse values */ |
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case 'v': /* verbose progress reports */ |
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verbose++; |
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break; |
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case 'h': /* turn off header */ |
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doheader = 0; |
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break; |
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case 'o': /* output format */ |
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switch (argv[i][2]) { |
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case 'f': |
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rhsubdiv = atoi(argv[++i]); |
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break; |
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case 'c': /* sky color */ |
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inconsistent |= (skycolor[1] <= 1e-4); |
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skycolor[0] = atof(argv[++i]); |
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skycolor[1] = atof(argv[++i]); |
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skycolor[2] = atof(argv[++i]); |
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break; |
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case 'd': /* solar (direct) only */ |
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skycolor[0] = skycolor[1] = skycolor[2] = 0; |
387 |
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if (suncolor[1] <= 1e-4) |
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if (suncolor[1] <= 1e-4) { |
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inconsistent = 1; |
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suncolor[0] = suncolor[1] = suncolor[2] = 1; |
390 |
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} |
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break; |
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case 's': /* sky only (no direct) */ |
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suncolor[0] = suncolor[1] = suncolor[2] = 0; |
394 |
< |
if (skycolor[1] <= 1e-4) |
394 |
> |
if (skycolor[1] <= 1e-4) { |
395 |
> |
inconsistent = 1; |
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skycolor[0] = skycolor[1] = skycolor[2] = 1; |
397 |
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} |
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break; |
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case 'r': /* rotate distribution */ |
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if (argv[i][2] && argv[i][2] != 'z') |
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break; |
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case '5': /* 5-phase calculation */ |
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nsuns = 1; |
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fixed_sun_sa = 6.797e-05; |
406 |
> |
fixed_sun_sa = PI/360.*atof(argv[++i]); |
407 |
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if (fixed_sun_sa <= 0) { |
408 |
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fprintf(stderr, "%s: missing solar disk size argument for '-5' option\n", |
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argv[0]); |
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exit(1); |
411 |
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} |
412 |
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fixed_sun_sa *= fixed_sun_sa*PI; |
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break; |
414 |
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case 'A': /* compute average sky */ |
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avgSky = 1; |
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break; |
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default: |
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goto userr; |
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} |
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if (i < argc-1) |
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goto userr; |
422 |
+ |
if (inconsistent) |
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fprintf(stderr, "%s: WARNING: inconsistent -s, -d, -c options!\n", |
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progname); |
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if (i == argc-1 && freopen(argv[i], "r", stdin) == NULL) { |
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fprintf(stderr, "%s: cannot open '%s' for input\n", |
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progname, argv[i]); |
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s_latitude = DegToRad(s_latitude); |
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s_longitude = DegToRad(s_longitude); |
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s_meridian = DegToRad(s_meridian); |
482 |
+ |
/* initial allocation */ |
483 |
+ |
mtx_data = resize_dmatrix(mtx_data, tstorage=2, nskypatch); |
484 |
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/* process each time step in tape */ |
485 |
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while (scanf("%d %d %lf %lf %lf\n", &mo, &da, &hr, &dir, &dif) == 5) { |
486 |
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double sda, sta; |
487 |
< |
/* make space for next time step */ |
488 |
< |
mtx_offset = 3*nskypatch*ntsteps++; |
489 |
< |
mtx_data = resize_dmatrix(mtx_data, ntsteps, nskypatch); |
487 |
> |
|
488 |
> |
mtx_offset = 3*nskypatch*nstored; |
489 |
> |
nstored += !avgSky | !nstored; |
490 |
> |
/* make space for next row */ |
491 |
> |
if (nstored > tstorage) { |
492 |
> |
tstorage += (tstorage>>1) + nstored + 7; |
493 |
> |
mtx_data = resize_dmatrix(mtx_data, tstorage, nskypatch); |
494 |
> |
} |
495 |
> |
ntsteps++; /* keep count of time steps */ |
496 |
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if (dif <= 1e-4) { |
497 |
< |
memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
497 |
> |
if (!avgSky | !mtx_offset) |
498 |
> |
memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
499 |
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continue; |
500 |
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} |
501 |
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if (verbose && mo != last_monthly) |
520 |
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/* compute sky patch values */ |
521 |
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ComputeSky(mtx_data+mtx_offset); |
522 |
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AddDirect(mtx_data+mtx_offset); |
523 |
+ |
/* update cumulative sky? */ |
524 |
+ |
for (i = 3*nskypatch*(avgSky&(ntsteps>1)); i--; ) |
525 |
+ |
mtx_data[i] += mtx_data[mtx_offset+i]; |
526 |
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} |
527 |
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/* check for junk at end */ |
528 |
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while ((i = fgetc(stdin)) != EOF) |
534 |
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fputs(buf, stderr); fputc('\n', stderr); |
535 |
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break; |
536 |
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} |
537 |
+ |
if (!ntsteps) { |
538 |
+ |
fprintf(stderr, "%s: no valid time steps on input\n", progname); |
539 |
+ |
exit(1); |
540 |
+ |
} |
541 |
+ |
dif = 1./(double)ntsteps; /* average sky? */ |
542 |
+ |
for (i = 3*nskypatch*(avgSky&(ntsteps>1)); i--; ) |
543 |
+ |
mtx_data[i] *= dif; |
544 |
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/* write out matrix */ |
545 |
+ |
if (outfmt != 'a') |
546 |
+ |
SET_FILE_BINARY(stdout); |
547 |
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#ifdef getc_unlocked |
548 |
|
flockfile(stdout); |
549 |
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#endif |
550 |
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if (verbose) |
551 |
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fprintf(stderr, "%s: writing %smatrix with %d time steps...\n", |
552 |
< |
progname, outfmt=='a' ? "" : "binary ", ntsteps); |
552 |
> |
progname, outfmt=='a' ? "" : "binary ", nstored); |
553 |
> |
if (doheader) { |
554 |
> |
newheader("RADIANCE", stdout); |
555 |
> |
printargs(argc, argv, stdout); |
556 |
> |
printf("LATLONG= %.8f %.8f\n", RadToDeg(s_latitude), |
557 |
> |
-RadToDeg(s_longitude)); |
558 |
> |
printf("NROWS=%d\n", nskypatch); |
559 |
> |
printf("NCOLS=%d\n", nstored); |
560 |
> |
printf("NCOMP=3\n"); |
561 |
> |
if ((outfmt == 'f') | (outfmt == 'd')) |
562 |
> |
fputendian(stdout); |
563 |
> |
fputformat((char *)getfmtname(outfmt), stdout); |
564 |
> |
putchar('\n'); |
565 |
> |
} |
566 |
|
/* patches are rows (outer sort) */ |
567 |
|
for (i = 0; i < nskypatch; i++) { |
568 |
|
mtx_offset = 3*i; |
569 |
|
switch (outfmt) { |
570 |
|
case 'a': |
571 |
< |
for (j = 0; j < ntsteps; j++) { |
571 |
> |
for (j = 0; j < nstored; j++) { |
572 |
|
printf("%.3g %.3g %.3g\n", mtx_data[mtx_offset], |
573 |
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mtx_data[mtx_offset+1], |
574 |
|
mtx_data[mtx_offset+2]); |
575 |
|
mtx_offset += 3*nskypatch; |
576 |
|
} |
577 |
< |
if (ntsteps > 1) |
577 |
> |
if (nstored > 1) |
578 |
|
fputc('\n', stdout); |
579 |
|
break; |
580 |
|
case 'f': |
581 |
< |
for (j = 0; j < ntsteps; j++) { |
582 |
< |
fwrite(mtx_data+mtx_offset, sizeof(float), 3, |
581 |
> |
for (j = 0; j < nstored; j++) { |
582 |
> |
putbinary(mtx_data+mtx_offset, sizeof(float), 3, |
583 |
|
stdout); |
584 |
|
mtx_offset += 3*nskypatch; |
585 |
|
} |
586 |
|
break; |
587 |
|
case 'd': |
588 |
< |
for (j = 0; j < ntsteps; j++) { |
588 |
> |
for (j = 0; j < nstored; j++) { |
589 |
|
double ment[3]; |
590 |
|
ment[0] = mtx_data[mtx_offset]; |
591 |
|
ment[1] = mtx_data[mtx_offset+1]; |
592 |
|
ment[2] = mtx_data[mtx_offset+2]; |
593 |
< |
fwrite(ment, sizeof(double), 3, stdout); |
593 |
> |
putbinary(ment, sizeof(double), 3, stdout); |
594 |
|
mtx_offset += 3*nskypatch; |
595 |
|
} |
596 |
|
break; |
604 |
|
fprintf(stderr, "%s: done.\n", progname); |
605 |
|
exit(0); |
606 |
|
userr: |
607 |
< |
fprintf(stderr, "Usage: %s [-v][-d|-s][-r deg][-m N][-g r g b][-c r g b][-o{f|d}][-O{0|1}] [tape.wea]\n", |
607 |
> |
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", |
608 |
|
progname); |
609 |
|
exit(1); |
610 |
|
fmterr: |
701 |
|
/* Calculate relative horizontal illuminance */ |
702 |
|
norm_diff_illum = CalcRelHorzIllum(parr); |
703 |
|
|
704 |
+ |
/* Check for zero sky -- make uniform in that case */ |
705 |
+ |
if (norm_diff_illum <= FTINY) { |
706 |
+ |
for (i = 1; i < nskypatch; i++) |
707 |
+ |
setcolor(parr+3*i, 1., 1., 1.); |
708 |
+ |
norm_diff_illum = PI; |
709 |
+ |
} |
710 |
|
/* Normalization coefficient */ |
711 |
|
norm_diff_illum = diff_illum / norm_diff_illum; |
712 |
|
|
976 |
|
/* Convert illuminance to irradiance */ |
977 |
|
index = GetCategoryIndex(); |
978 |
|
diff_irrad = diff_illum / CalcDiffuseIllumRatio(index); |
979 |
< |
dir_irrad = dir_illum / CalcDirectIllumRatio(index); |
979 |
> |
dir_irrad = CalcDirectIllumRatio(index); |
980 |
> |
if (dir_irrad > 0.1) |
981 |
> |
dir_irrad = dir_illum / dir_irrad; |
982 |
|
|
983 |
|
/* Calculate sky brightness and clearness */ |
984 |
|
sky_brightness = CalcSkyBrightness(); |