86 |
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#include <string.h> |
87 |
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#include <ctype.h> |
88 |
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#include "rtmath.h" |
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+ |
#include "rtio.h" |
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#include "resolu.h" |
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#include "platform.h" |
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#include "color.h" |
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#include "resolu.h" |
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|
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char *progname; /* Program name */ |
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char errmsg[128]; /* Error message buffer */ |
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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 |
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|
300 |
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static const char * |
301 |
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getfmtname(int fmt) |
302 |
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{ |
303 |
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switch (fmt) { |
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case 'a': |
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return("ascii"); |
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case 'f': |
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return("float"); |
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case 'd': |
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return("double"); |
310 |
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} |
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return("unknown"); |
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} |
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|
314 |
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|
315 |
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int |
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main(int argc, char *argv[]) |
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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 */ |
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int ntsteps = 0; /* number of rows in matrix */ |
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int step_alloc = 0; |
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int last_monthly = 0; /* month of last report */ |
327 |
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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 */ |
378 |
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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; |
385 |
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if (suncolor[1] <= 1e-4) |
385 |
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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; |
388 |
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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; |
392 |
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if (skycolor[1] <= 1e-4) |
392 |
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if (skycolor[1] <= 1e-4) { |
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inconsistent = 1; |
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skycolor[0] = skycolor[1] = skycolor[2] = 1; |
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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; |
404 |
< |
fixed_sun_sa = 6.797e-05; |
404 |
> |
fixed_sun_sa = PI/360.*atof(argv[++i]); |
405 |
> |
if (fixed_sun_sa <= 0) { |
406 |
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fprintf(stderr, "%s: missing solar disk size argument for '-5' option\n", |
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argv[0]); |
408 |
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exit(1); |
409 |
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} |
410 |
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fixed_sun_sa *= fixed_sun_sa*PI; |
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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; |
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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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double sda, sta; |
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/* make space for next time step */ |
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mtx_offset = 3*nskypatch*ntsteps++; |
482 |
< |
mtx_data = resize_dmatrix(mtx_data, ntsteps, nskypatch); |
482 |
> |
if (ntsteps > step_alloc) { |
483 |
> |
step_alloc += (step_alloc>>1) + ntsteps + 7; |
484 |
> |
mtx_data = resize_dmatrix(mtx_data, step_alloc, nskypatch); |
485 |
> |
} |
486 |
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if (dif <= 1e-4) { |
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memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
488 |
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continue; |
521 |
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break; |
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} |
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/* write out matrix */ |
524 |
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if (outfmt != 'a') |
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SET_FILE_BINARY(stdout); |
526 |
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#ifdef getc_unlocked |
527 |
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flockfile(stdout); |
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#endif |
529 |
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if (verbose) |
530 |
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fprintf(stderr, "%s: writing %smatrix with %d time steps...\n", |
531 |
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progname, outfmt=='a' ? "" : "binary ", ntsteps); |
532 |
+ |
if (doheader) { |
533 |
+ |
newheader("RADIANCE", stdout); |
534 |
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printargs(argc, argv, stdout); |
535 |
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printf("LATLONG= %.8f %.8f\n", RadToDeg(s_latitude), |
536 |
+ |
-RadToDeg(s_longitude)); |
537 |
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printf("NROWS=%d\n", nskypatch); |
538 |
+ |
printf("NCOLS=%d\n", ntsteps); |
539 |
+ |
printf("NCOMP=3\n"); |
540 |
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fputformat((char *)getfmtname(outfmt), stdout); |
541 |
+ |
putchar('\n'); |
542 |
+ |
} |
543 |
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/* patches are rows (outer sort) */ |
544 |
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for (i = 0; i < nskypatch; i++) { |
545 |
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mtx_offset = 3*i; |
556 |
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break; |
557 |
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case 'f': |
558 |
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for (j = 0; j < ntsteps; j++) { |
559 |
< |
fwrite(mtx_data+mtx_offset, sizeof(float), 3, |
559 |
> |
putbinary(mtx_data+mtx_offset, sizeof(float), 3, |
560 |
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stdout); |
561 |
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mtx_offset += 3*nskypatch; |
562 |
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} |
567 |
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ment[0] = mtx_data[mtx_offset]; |
568 |
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ment[1] = mtx_data[mtx_offset+1]; |
569 |
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ment[2] = mtx_data[mtx_offset+2]; |
570 |
< |
fwrite(ment, sizeof(double), 3, stdout); |
570 |
> |
putbinary(ment, sizeof(double), 3, stdout); |
571 |
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mtx_offset += 3*nskypatch; |
572 |
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} |
573 |
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break; |
581 |
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fprintf(stderr, "%s: done.\n", progname); |
582 |
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exit(0); |
583 |
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userr: |
584 |
< |
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", |
584 |
> |
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", |
585 |
|
progname); |
586 |
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exit(1); |
587 |
|
fmterr: |
678 |
|
/* Calculate relative horizontal illuminance */ |
679 |
|
norm_diff_illum = CalcRelHorzIllum(parr); |
680 |
|
|
681 |
+ |
/* Check for zero sky -- make uniform in that case */ |
682 |
+ |
if (norm_diff_illum <= FTINY) { |
683 |
+ |
for (i = 1; i < nskypatch; i++) |
684 |
+ |
setcolor(parr+3*i, 1., 1., 1.); |
685 |
+ |
norm_diff_illum = PI; |
686 |
+ |
} |
687 |
|
/* Normalization coefficient */ |
688 |
|
norm_diff_illum = diff_illum / norm_diff_illum; |
689 |
|
|
953 |
|
/* Convert illuminance to irradiance */ |
954 |
|
index = GetCategoryIndex(); |
955 |
|
diff_irrad = diff_illum / CalcDiffuseIllumRatio(index); |
956 |
< |
dir_irrad = dir_illum / CalcDirectIllumRatio(index); |
956 |
> |
dir_irrad = CalcDirectIllumRatio(index); |
957 |
> |
if (dir_irrad > 0.1) |
958 |
> |
dir_irrad = dir_illum / dir_irrad; |
959 |
|
|
960 |
|
/* Calculate sky brightness and clearness */ |
961 |
|
sky_brightness = CalcSkyBrightness(); |