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/* Include files */ |
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#define _USE_MATH_DEFINES |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <ctype.h> |
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#include "platform.h" |
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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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#include "sun.h" |
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char *progname; /* Program name */ |
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char errmsg[128]; /* Error message buffer */ |
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#define NSUNPATCH 4 /* max. # patches to spread sun into */ |
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#endif |
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extern int jdate(int month, int day); |
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extern double stadj(int jd); |
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extern double sdec(int jd); |
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extern double salt(double sd, double st); |
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extern double sazi(double sd, double st); |
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/* sun calculation constants */ |
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extern double s_latitude; |
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extern double s_longitude; |
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extern double s_meridian; |
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|
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int nsuns = NSUNPATCH; /* number of sun patches to use */ |
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double fixed_sun_sa = -1; /* fixed solid angle per sun? */ |
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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 time steps */ |
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int avgSky = 0; /* compute average sky r.t. matrix? */ |
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int nrows = 0; /* number of rows in matrix */ |
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int rows_alloc = 0; /* number of allocated rows */ |
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int ntsteps = 0; /* number of time steps */ |
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int tstorage = 0; /* number of allocated time steps */ |
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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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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; |
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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; |
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} |
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grefl[0] = grefl[1] = grefl[2] = 0; |
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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; |
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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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} |
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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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s_longitude = DegToRad(s_longitude); |
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s_meridian = DegToRad(s_meridian); |
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/* initial allocation */ |
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mtx_data = resize_dmatrix(mtx_data, rows_alloc=2, nskypatch); |
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mtx_data = resize_dmatrix(mtx_data, tstorage=2, nskypatch); |
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/* process each time step in tape */ |
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while (scanf("%d %d %lf %lf %lf\n", &mo, &da, &hr, &dir, &dif) == 5) { |
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double sda, sta; |
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mtx_offset = 3*nskypatch*nrows; |
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nrows += !avgSky | !nrows; |
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mtx_offset = 3*nskypatch*nstored; |
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nstored += !avgSky | !nstored; |
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/* make space for next row */ |
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if (nrows > rows_alloc) { |
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< |
rows_alloc += (rows_alloc>>1) + nrows + 7; |
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< |
mtx_data = resize_dmatrix(mtx_data, rows_alloc, nskypatch); |
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> |
if (nstored > tstorage) { |
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tstorage += (tstorage>>1) + nstored + 7; |
| 468 |
> |
mtx_data = resize_dmatrix(mtx_data, tstorage, nskypatch); |
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} |
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ntsteps++; /* keep count of time steps */ |
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if (dif <= 1e-4) { |
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if (!avgSky | !nrows) |
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> |
if (!avgSky | !mtx_offset) |
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memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
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continue; |
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} |
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#endif |
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if (verbose) |
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fprintf(stderr, "%s: writing %smatrix with %d time steps...\n", |
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progname, outfmt=='a' ? "" : "binary ", nrows); |
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progname, outfmt=='a' ? "" : "binary ", nstored); |
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if (doheader) { |
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newheader("RADIANCE", stdout); |
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printargs(argc, argv, stdout); |
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printf("LATLONG= %.8f %.8f\n", RadToDeg(s_latitude), |
| 532 |
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-RadToDeg(s_longitude)); |
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printf("NROWS=%d\n", nskypatch); |
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printf("NCOLS=%d\n", nrows); |
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> |
printf("NCOLS=%d\n", nstored); |
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printf("NCOMP=3\n"); |
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if ((outfmt == 'f') | (outfmt == 'd')) |
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fputendian(stdout); |
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fputformat((char *)getfmtname(outfmt), stdout); |
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putchar('\n'); |
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} |
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mtx_offset = 3*i; |
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switch (outfmt) { |
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case 'a': |
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< |
for (j = 0; j < nrows; j++) { |
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> |
for (j = 0; j < nstored; j++) { |
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printf("%.3g %.3g %.3g\n", mtx_data[mtx_offset], |
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mtx_data[mtx_offset+1], |
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mtx_data[mtx_offset+2]); |
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mtx_offset += 3*nskypatch; |
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} |
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< |
if (nrows > 1) |
| 552 |
> |
if (nstored > 1) |
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fputc('\n', stdout); |
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break; |
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case 'f': |
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< |
for (j = 0; j < nrows; j++) { |
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> |
for (j = 0; j < nstored; j++) { |
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putbinary(mtx_data+mtx_offset, sizeof(float), 3, |
| 558 |
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stdout); |
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mtx_offset += 3*nskypatch; |
| 560 |
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} |
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break; |
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case 'd': |
| 563 |
< |
for (j = 0; j < nrows; j++) { |
| 563 |
> |
for (j = 0; j < nstored; j++) { |
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double ment[3]; |
| 565 |
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ment[0] = mtx_data[mtx_offset]; |
| 566 |
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ment[1] = mtx_data[mtx_offset+1]; |
| 655 |
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diff_illum = diff_irrad * WHTEFFICACY; |
| 656 |
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dir_illum = dir_irrad * WHTEFFICACY; |
| 657 |
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} |
| 681 |
– |
|
| 682 |
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if (bright(skycolor) <= 1e-4) { /* 0 sky component? */ |
| 683 |
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memset(parr, 0, sizeof(float)*3*nskypatch); |
| 684 |
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return; |
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} |
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/* Compute ground radiance (include solar contribution if any) */ |
| 659 |
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parr[0] = diff_illum; |
| 660 |
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if (altitude > 0) |
| 662 |
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parr[2] = parr[1] = parr[0] *= (1./PI/WHTEFFICACY); |
| 663 |
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multcolor(parr, grefl); |
| 664 |
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|
| 665 |
+ |
if (bright(skycolor) <= 1e-4) { /* 0 sky component? */ |
| 666 |
+ |
memset(parr+3, 0, sizeof(float)*3*(nskypatch-1)); |
| 667 |
+ |
return; |
| 668 |
+ |
} |
| 669 |
|
/* Calculate Perez sky model parameters */ |
| 670 |
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CalcPerezParam(sun_zenith, sky_clearness, sky_brightness, index); |
| 671 |
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|
