| 81 |
|
|
| 82 |
|
/* Include files */ |
| 83 |
|
#define _USE_MATH_DEFINES |
| 84 |
– |
#include <stdio.h> |
| 84 |
|
#include <stdlib.h> |
| 86 |
– |
#include <string.h> |
| 85 |
|
#include <ctype.h> |
| 86 |
+ |
#include "platform.h" |
| 87 |
|
#include "rtmath.h" |
| 88 |
|
#include "rtio.h" |
| 90 |
– |
#include "resolu.h" |
| 91 |
– |
#include "platform.h" |
| 89 |
|
#include "color.h" |
| 90 |
< |
#include "resolu.h" |
| 90 |
> |
#include "sun.h" |
| 91 |
|
|
| 92 |
|
char *progname; /* Program name */ |
| 93 |
|
char errmsg[128]; /* Error message buffer */ |
| 252 |
|
#define NSUNPATCH 4 /* max. # patches to spread sun into */ |
| 253 |
|
#endif |
| 254 |
|
|
| 258 |
– |
extern int jdate(int month, int day); |
| 259 |
– |
extern double stadj(int jd); |
| 260 |
– |
extern double sdec(int jd); |
| 261 |
– |
extern double salt(double sd, double st); |
| 262 |
– |
extern double sazi(double sd, double st); |
| 263 |
– |
/* sun calculation constants */ |
| 264 |
– |
extern double s_latitude; |
| 265 |
– |
extern double s_longitude; |
| 266 |
– |
extern double s_meridian; |
| 267 |
– |
|
| 255 |
|
int nsuns = NSUNPATCH; /* number of sun patches to use */ |
| 256 |
|
double fixed_sun_sa = -1; /* fixed solid angle per sun? */ |
| 257 |
|
|
| 308 |
|
double elevation; /* site elevation (meters) */ |
| 309 |
|
int dir_is_horiz; /* direct is meas. on horizontal? */ |
| 310 |
|
float *mtx_data = NULL; /* our matrix data */ |
| 324 |
– |
int ntsteps = 0; /* number of time steps */ |
| 311 |
|
int avgSky = 0; /* compute average sky r.t. matrix? */ |
| 312 |
< |
int nrows = 0; /* number of rows in matrix */ |
| 313 |
< |
int rows_alloc = 0; /* number of allocated rows */ |
| 312 |
> |
int ntsteps = 0; /* number of time steps */ |
| 313 |
> |
int tstorage = 0; /* number of allocated time steps */ |
| 314 |
> |
int nstored = 0; /* number of time steps in matrix */ |
| 315 |
|
int last_monthly = 0; /* month of last report */ |
| 316 |
|
int inconsistent = 0; /* inconsistent options set? */ |
| 317 |
|
int mo, da; /* month (1-12) and day (1-31) */ |
| 467 |
|
s_longitude = DegToRad(s_longitude); |
| 468 |
|
s_meridian = DegToRad(s_meridian); |
| 469 |
|
/* initial allocation */ |
| 470 |
< |
mtx_data = resize_dmatrix(mtx_data, rows_alloc=2, nskypatch); |
| 470 |
> |
mtx_data = resize_dmatrix(mtx_data, tstorage=2, nskypatch); |
| 471 |
|
/* process each time step in tape */ |
| 472 |
|
while (scanf("%d %d %lf %lf %lf\n", &mo, &da, &hr, &dir, &dif) == 5) { |
| 473 |
|
double sda, sta; |
| 474 |
|
|
| 475 |
< |
mtx_offset = 3*nskypatch*nrows; |
| 476 |
< |
nrows += !avgSky | !nrows; |
| 475 |
> |
mtx_offset = 3*nskypatch*nstored; |
| 476 |
> |
nstored += !avgSky | !nstored; |
| 477 |
|
/* make space for next row */ |
| 478 |
< |
if (nrows > rows_alloc) { |
| 479 |
< |
rows_alloc += (rows_alloc>>1) + nrows + 7; |
| 480 |
< |
mtx_data = resize_dmatrix(mtx_data, rows_alloc, nskypatch); |
| 478 |
> |
if (nstored > tstorage) { |
| 479 |
> |
tstorage += (tstorage>>1) + nstored + 7; |
| 480 |
> |
mtx_data = resize_dmatrix(mtx_data, tstorage, nskypatch); |
| 481 |
|
} |
| 482 |
|
ntsteps++; /* keep count of time steps */ |
| 483 |
|
if (dif <= 1e-4) { |
| 484 |
< |
if (!avgSky | !nrows) |
| 484 |
> |
if (!avgSky | !mtx_offset) |
| 485 |
|
memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
| 486 |
|
continue; |
| 487 |
|
} |
| 536 |
|
#endif |
| 537 |
|
if (verbose) |
| 538 |
|
fprintf(stderr, "%s: writing %smatrix with %d time steps...\n", |
| 539 |
< |
progname, outfmt=='a' ? "" : "binary ", nrows); |
| 539 |
> |
progname, outfmt=='a' ? "" : "binary ", nstored); |
| 540 |
|
if (doheader) { |
| 541 |
|
newheader("RADIANCE", stdout); |
| 542 |
|
printargs(argc, argv, stdout); |
| 543 |
|
printf("LATLONG= %.8f %.8f\n", RadToDeg(s_latitude), |
| 544 |
|
-RadToDeg(s_longitude)); |
| 545 |
|
printf("NROWS=%d\n", nskypatch); |
| 546 |
< |
printf("NCOLS=%d\n", nrows); |
| 546 |
> |
printf("NCOLS=%d\n", nstored); |
| 547 |
|
printf("NCOMP=3\n"); |
| 548 |
+ |
if ((outfmt == 'f') | (outfmt == 'd')) |
| 549 |
+ |
fputendian(stdout); |
| 550 |
|
fputformat((char *)getfmtname(outfmt), stdout); |
| 551 |
|
putchar('\n'); |
| 552 |
|
} |
| 555 |
|
mtx_offset = 3*i; |
| 556 |
|
switch (outfmt) { |
| 557 |
|
case 'a': |
| 558 |
< |
for (j = 0; j < nrows; j++) { |
| 558 |
> |
for (j = 0; j < nstored; j++) { |
| 559 |
|
printf("%.3g %.3g %.3g\n", mtx_data[mtx_offset], |
| 560 |
|
mtx_data[mtx_offset+1], |
| 561 |
|
mtx_data[mtx_offset+2]); |
| 562 |
|
mtx_offset += 3*nskypatch; |
| 563 |
|
} |
| 564 |
< |
if (nrows > 1) |
| 564 |
> |
if (nstored > 1) |
| 565 |
|
fputc('\n', stdout); |
| 566 |
|
break; |
| 567 |
|
case 'f': |
| 568 |
< |
for (j = 0; j < nrows; j++) { |
| 568 |
> |
for (j = 0; j < nstored; j++) { |
| 569 |
|
putbinary(mtx_data+mtx_offset, sizeof(float), 3, |
| 570 |
|
stdout); |
| 571 |
|
mtx_offset += 3*nskypatch; |
| 572 |
|
} |
| 573 |
|
break; |
| 574 |
|
case 'd': |
| 575 |
< |
for (j = 0; j < nrows; j++) { |
| 575 |
> |
for (j = 0; j < nstored; j++) { |
| 576 |
|
double ment[3]; |
| 577 |
|
ment[0] = mtx_data[mtx_offset]; |
| 578 |
|
ment[1] = mtx_data[mtx_offset+1]; |
| 667 |
|
diff_illum = diff_irrad * WHTEFFICACY; |
| 668 |
|
dir_illum = dir_irrad * WHTEFFICACY; |
| 669 |
|
} |
| 681 |
– |
|
| 682 |
– |
if (bright(skycolor) <= 1e-4) { /* 0 sky component? */ |
| 683 |
– |
memset(parr, 0, sizeof(float)*3*nskypatch); |
| 684 |
– |
return; |
| 685 |
– |
} |
| 670 |
|
/* Compute ground radiance (include solar contribution if any) */ |
| 671 |
|
parr[0] = diff_illum; |
| 672 |
|
if (altitude > 0) |
| 674 |
|
parr[2] = parr[1] = parr[0] *= (1./PI/WHTEFFICACY); |
| 675 |
|
multcolor(parr, grefl); |
| 676 |
|
|
| 677 |
+ |
if (bright(skycolor) <= 1e-4) { /* 0 sky component? */ |
| 678 |
+ |
memset(parr+3, 0, sizeof(float)*3*(nskypatch-1)); |
| 679 |
+ |
return; |
| 680 |
+ |
} |
| 681 |
|
/* Calculate Perez sky model parameters */ |
| 682 |
|
CalcPerezParam(sun_zenith, sky_clearness, sky_brightness, index); |
| 683 |
|
|
