| 1 |
/* Copyright (c) 1990 Regents of the University of California */ |
| 2 |
|
| 3 |
#ifndef lint |
| 4 |
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
#endif |
| 6 |
|
| 7 |
/* |
| 8 |
* Convert IES luminaire data to Radiance description |
| 9 |
* |
| 10 |
* 07Apr90 Greg Ward |
| 11 |
*/ |
| 12 |
|
| 13 |
#include <stdio.h> |
| 14 |
#include <ctype.h> |
| 15 |
|
| 16 |
#define PI 3.14159265358979323846 |
| 17 |
/* floating comparisons */ |
| 18 |
#define FTINY 1e-6 |
| 19 |
#define FEQ(a,b) ((a)<=(b)+FTINY&&(a)>=(b)-FTINY) |
| 20 |
/* tilt specs */ |
| 21 |
#define TLTSTR "TILT=" |
| 22 |
#define TLTSTRLEN 5 |
| 23 |
#define TLTNONE "NONE" |
| 24 |
#define TLTINCL "INCLUDE" |
| 25 |
#define TLT_VERT 1 |
| 26 |
#define TLT_H0 2 |
| 27 |
#define TLT_H90 3 |
| 28 |
/* photometric types */ |
| 29 |
#define PM_C 1 |
| 30 |
#define PM_B 2 |
| 31 |
/* unit types */ |
| 32 |
#define U_FEET 1 |
| 33 |
#define U_METERS 2 |
| 34 |
/* string lengths */ |
| 35 |
#define MAXLINE 132 |
| 36 |
#define MAXWORD 76 |
| 37 |
#define MAXPATH 128 |
| 38 |
/* file types */ |
| 39 |
#define T_RAD ".rad" |
| 40 |
#define T_DST ".dat" |
| 41 |
#define T_TLT "+.dat" |
| 42 |
/* shape types */ |
| 43 |
#define RECT 1 |
| 44 |
#define DISK 2 |
| 45 |
#define SPHERE 3 |
| 46 |
|
| 47 |
#define MINDIM .001 /* minimum dimension (point source) */ |
| 48 |
|
| 49 |
#define F_M .3048 /* feet to meters */ |
| 50 |
|
| 51 |
#define abspath(p) ((p)[0] == '/' || (p)[0] == '.') |
| 52 |
|
| 53 |
char *libdir = NULL; /* library directory location */ |
| 54 |
char *prefdir = NULL; /* subdirectory */ |
| 55 |
char *lampdat = "lamp.tab"; /* lamp data file */ |
| 56 |
|
| 57 |
double meters2out = 1.0; /* conversion from meters to output */ |
| 58 |
char *lamptype = NULL; /* selected lamp type */ |
| 59 |
float *lampcolor = NULL; /* pointer to lamp color */ |
| 60 |
float defcolor[3] = {1.,1.,1.}; /* default lamp color */ |
| 61 |
double multiplier = 1.0; /* multiplier for all light sources */ |
| 62 |
char units[64] = "meters"; /* output units */ |
| 63 |
double minaspect = 0.0; /* minimum allowed aspect ratio */ |
| 64 |
int maxemitters = 1; /* maximum emitters per hemisphere */ |
| 65 |
double illumrad = 0.0; /* radius for illum sphere */ |
| 66 |
|
| 67 |
typedef struct { |
| 68 |
int type; /* RECT, DISK, SPHERE */ |
| 69 |
double w, l, h; /* width, length, height */ |
| 70 |
double area; /* effective radiating area */ |
| 71 |
} SHAPE; /* a source shape */ |
| 72 |
|
| 73 |
int gargc; /* global argc (minus filenames) */ |
| 74 |
char **gargv; /* global argv */ |
| 75 |
|
| 76 |
extern char *strcpy(), *strcat(), *stradd(), *tailtrunc(), *filetrunc(), |
| 77 |
*filename(), *libname(), *fullname(), *malloc(); |
| 78 |
extern double atof(); |
| 79 |
extern float *matchlamp(); |
| 80 |
|
| 81 |
|
| 82 |
main(argc, argv) |
| 83 |
int argc; |
| 84 |
char *argv[]; |
| 85 |
{ |
| 86 |
char *outfile = NULL; |
| 87 |
int status; |
| 88 |
char outname[MAXWORD]; |
| 89 |
double d1; |
| 90 |
int i; |
| 91 |
|
| 92 |
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 93 |
switch (argv[i][1]) { |
| 94 |
case 'd': /* dimensions */ |
| 95 |
if (argv[i][2] == '\0') |
| 96 |
goto badopt; |
| 97 |
if (argv[i][3] == '\0') |
| 98 |
d1 = 1.0; |
| 99 |
else if (argv[i][3] == '/') { |
| 100 |
d1 = atof(argv[i]+4); |
| 101 |
if (d1 <= FTINY) |
| 102 |
goto badopt; |
| 103 |
} else |
| 104 |
goto badopt; |
| 105 |
switch (argv[i][2]) { |
| 106 |
case 'c': /* centimeters */ |
| 107 |
if (FEQ(d1,10.)) |
| 108 |
strcpy(units,"millimeters"); |
| 109 |
else { |
| 110 |
strcpy(units,"centimeters"); |
| 111 |
strcat(units,argv[i]+3); |
| 112 |
} |
| 113 |
meters2out = 100.*d1; |
| 114 |
break; |
| 115 |
case 'm': /* meters */ |
| 116 |
if (FEQ(d1,1000.)) |
| 117 |
strcpy(units,"millimeters"); |
| 118 |
else if (FEQ(d1,100.)) |
| 119 |
strcpy(units,"centimeters"); |
| 120 |
else { |
| 121 |
strcpy(units,"meters"); |
| 122 |
strcat(units,argv[i]+3); |
| 123 |
} |
| 124 |
meters2out = d1; |
| 125 |
break; |
| 126 |
case 'i': /* inches */ |
| 127 |
strcpy(units,"inches"); |
| 128 |
strcat(units,argv[i]+3); |
| 129 |
meters2out = d1*(12./F_M); |
| 130 |
break; |
| 131 |
case 'f': /* feet */ |
| 132 |
if (FEQ(d1,12.)) |
| 133 |
strcpy(units,"inches"); |
| 134 |
else { |
| 135 |
strcpy(units,"feet"); |
| 136 |
strcat(units,argv[i]+3); |
| 137 |
} |
| 138 |
meters2out = d1/F_M; |
| 139 |
break; |
| 140 |
default: |
| 141 |
goto badopt; |
| 142 |
} |
| 143 |
break; |
| 144 |
case 'l': /* library directory */ |
| 145 |
libdir = argv[++i]; |
| 146 |
break; |
| 147 |
case 'p': /* prefix subdirectory */ |
| 148 |
prefdir = argv[++i]; |
| 149 |
break; |
| 150 |
case 'f': /* lamp data file */ |
| 151 |
lampdat = argv[++i]; |
| 152 |
break; |
| 153 |
case 'o': /* output file name */ |
| 154 |
outfile = argv[++i]; |
| 155 |
break; |
| 156 |
case 's': /* square emitters */ |
| 157 |
minaspect = .6; |
| 158 |
if (argv[i][2] == '/') { |
| 159 |
maxemitters = atoi(argv[i]+3); |
| 160 |
if (maxemitters < 1) |
| 161 |
goto badopt; |
| 162 |
} |
| 163 |
break; |
| 164 |
case 'i': /* illum */ |
| 165 |
illumrad = atof(argv[++i]); |
| 166 |
if (illumrad < MINDIM) |
| 167 |
illumrad = MINDIM; |
| 168 |
break; |
| 169 |
case 't': /* select lamp type */ |
| 170 |
lamptype = argv[++i]; |
| 171 |
break; |
| 172 |
case 'c': /* default lamp color */ |
| 173 |
defcolor[0] = atof(argv[++i]); |
| 174 |
defcolor[1] = atof(argv[++i]); |
| 175 |
defcolor[2] = atof(argv[++i]); |
| 176 |
break; |
| 177 |
case 'm': /* multiplier */ |
| 178 |
multiplier = atof(argv[++i]); |
| 179 |
break; |
| 180 |
default: |
| 181 |
badopt: |
| 182 |
fprintf(stderr, "%s: bad option: %s\n", |
| 183 |
argv[0], argv[i]); |
| 184 |
exit(1); |
| 185 |
} |
| 186 |
gargc = i; |
| 187 |
gargv = argv; |
| 188 |
/* get lamp data */ |
| 189 |
if ((status = loadlamps(lampdat)) < 0) |
| 190 |
exit(1); |
| 191 |
if (status == 0 || (lamptype != NULL && |
| 192 |
(lampcolor = matchlamp(lamptype)) == NULL)) { |
| 193 |
lampcolor = defcolor; |
| 194 |
fprintf(stderr, "%s: warning - no lamp data\n", argv[0]); |
| 195 |
} |
| 196 |
/* convert ies file(s) */ |
| 197 |
if (outfile != NULL) { |
| 198 |
if (i == argc) |
| 199 |
exit(ies2rad(NULL, outfile) == 0 ? 0 : 1); |
| 200 |
else if (i == argc-1) |
| 201 |
exit(ies2rad(argv[i], outfile) == 0 ? 0 : 1); |
| 202 |
else { |
| 203 |
fprintf(stderr, "%s: single input file required\n", |
| 204 |
argv[0]); |
| 205 |
exit(1); |
| 206 |
} |
| 207 |
} else if (i >= argc) { |
| 208 |
fprintf(stderr, "%s: missing output file specification\n", |
| 209 |
argv[0]); |
| 210 |
exit(1); |
| 211 |
} |
| 212 |
status = 0; |
| 213 |
for ( ; i < argc; i++) { |
| 214 |
tailtrunc(strcpy(outname,filename(argv[i]))); |
| 215 |
if (ies2rad(argv[i], outname) != 0) |
| 216 |
status = 1; |
| 217 |
} |
| 218 |
exit(status); |
| 219 |
} |
| 220 |
|
| 221 |
|
| 222 |
char * |
| 223 |
stradd(dst, src, sep) /* add a string at dst */ |
| 224 |
register char *dst, *src; |
| 225 |
int sep; |
| 226 |
{ |
| 227 |
if (src && *src) { |
| 228 |
do |
| 229 |
*dst++ = *src++; |
| 230 |
while (*src); |
| 231 |
if (sep && dst[-1] != sep) |
| 232 |
*dst++ = sep; |
| 233 |
} |
| 234 |
*dst = '\0'; |
| 235 |
return(dst); |
| 236 |
} |
| 237 |
|
| 238 |
|
| 239 |
char * |
| 240 |
fullname(path, fname, suffix) /* return full path name */ |
| 241 |
char *path, *fname, *suffix; |
| 242 |
{ |
| 243 |
if (prefdir != NULL && abspath(prefdir)) |
| 244 |
libname(path, fname, suffix); |
| 245 |
else if (abspath(fname)) |
| 246 |
strcpy(stradd(path, fname, 0), suffix); |
| 247 |
else |
| 248 |
libname(stradd(path, libdir, '/'), fname, suffix); |
| 249 |
|
| 250 |
return(path); |
| 251 |
} |
| 252 |
|
| 253 |
|
| 254 |
char * |
| 255 |
libname(path, fname, suffix) /* return library relative name */ |
| 256 |
char *path, *fname, *suffix; |
| 257 |
{ |
| 258 |
if (abspath(fname)) |
| 259 |
strcpy(stradd(path, fname, 0), suffix); |
| 260 |
else |
| 261 |
strcpy(stradd(stradd(path, prefdir, '/'), fname, 0), suffix); |
| 262 |
|
| 263 |
return(path); |
| 264 |
} |
| 265 |
|
| 266 |
|
| 267 |
char * |
| 268 |
filename(path) /* get final component of pathname */ |
| 269 |
register char *path; |
| 270 |
{ |
| 271 |
register char *cp; |
| 272 |
|
| 273 |
for (cp = path; *path; path++) |
| 274 |
if (*path == '/') |
| 275 |
cp = path+1; |
| 276 |
return(cp); |
| 277 |
} |
| 278 |
|
| 279 |
|
| 280 |
char * |
| 281 |
filetrunc(path) /* truncate filename at end of path */ |
| 282 |
char *path; |
| 283 |
{ |
| 284 |
register char *p1, *p2; |
| 285 |
|
| 286 |
for (p1 = p2 = path; *p2; p2++) |
| 287 |
if (*p2 == '/') |
| 288 |
p1 = p2; |
| 289 |
*p1 = '\0'; |
| 290 |
return(path); |
| 291 |
} |
| 292 |
|
| 293 |
|
| 294 |
char * |
| 295 |
tailtrunc(name) /* truncate tail of filename */ |
| 296 |
char *name; |
| 297 |
{ |
| 298 |
register char *p1, *p2; |
| 299 |
|
| 300 |
for (p1 = filename(name); *p1 == '.'; p1++) |
| 301 |
; |
| 302 |
p2 = NULL; |
| 303 |
for ( ; *p1; p1++) |
| 304 |
if (*p1 == '.') |
| 305 |
p2 = p1; |
| 306 |
if (p2 != NULL) |
| 307 |
*p2 = '\0'; |
| 308 |
return(name); |
| 309 |
} |
| 310 |
|
| 311 |
|
| 312 |
blanktrunc(s) /* truncate spaces at end of line */ |
| 313 |
char *s; |
| 314 |
{ |
| 315 |
register char *cp; |
| 316 |
|
| 317 |
for (cp = s; *cp; cp++) |
| 318 |
; |
| 319 |
while (cp-- > s && isspace(*cp)) |
| 320 |
; |
| 321 |
*++cp = '\0'; |
| 322 |
} |
| 323 |
|
| 324 |
|
| 325 |
putheader(out) /* print header */ |
| 326 |
FILE *out; |
| 327 |
{ |
| 328 |
register int i; |
| 329 |
|
| 330 |
putc('#', out); |
| 331 |
for (i = 0; i < gargc; i++) { |
| 332 |
putc(' ', out); |
| 333 |
fputs(gargv[i], out); |
| 334 |
} |
| 335 |
fputs("\n# Dimensions in ", out); |
| 336 |
fputs(units, out); |
| 337 |
putc('\n', out); |
| 338 |
} |
| 339 |
|
| 340 |
|
| 341 |
ies2rad(inpname, outname) /* convert IES file */ |
| 342 |
char *inpname, *outname; |
| 343 |
{ |
| 344 |
char buf[MAXLINE], tltid[MAXWORD]; |
| 345 |
FILE *inpfp, *outfp; |
| 346 |
|
| 347 |
if (inpname == NULL) { |
| 348 |
inpname = "<stdin>"; |
| 349 |
inpfp = stdin; |
| 350 |
} else if ((inpfp = fopen(inpname, "r")) == NULL) { |
| 351 |
perror(inpname); |
| 352 |
return(-1); |
| 353 |
} |
| 354 |
if ((outfp = fopen(fullname(buf,outname,T_RAD), "w")) == NULL) { |
| 355 |
perror(buf); |
| 356 |
fclose(inpfp); |
| 357 |
return(-1); |
| 358 |
} |
| 359 |
putheader(outfp); |
| 360 |
if (lamptype == NULL) |
| 361 |
lampcolor = NULL; |
| 362 |
while (fgets(buf,sizeof(buf),inpfp) != NULL |
| 363 |
&& strncmp(buf,TLTSTR,TLTSTRLEN)) { |
| 364 |
blanktrunc(buf); |
| 365 |
if (!buf[0]) |
| 366 |
continue; |
| 367 |
fputs("#<", outfp); |
| 368 |
fputs(buf, outfp); |
| 369 |
putc('\n', outfp); |
| 370 |
if (lampcolor == NULL) |
| 371 |
lampcolor = matchlamp(buf); |
| 372 |
} |
| 373 |
if (lampcolor == NULL) { |
| 374 |
fprintf(stderr, "%s: warning - no lamp type\n", inpname); |
| 375 |
lampcolor = defcolor; |
| 376 |
} |
| 377 |
if (feof(inpfp)) { |
| 378 |
fprintf(stderr, "%s: not in IES format\n", inpname); |
| 379 |
goto readerr; |
| 380 |
} |
| 381 |
sscanf(buf+TLTSTRLEN, "%s", tltid); |
| 382 |
if (inpfp == stdin) |
| 383 |
buf[0] = '\0'; |
| 384 |
else |
| 385 |
filetrunc(strcpy(buf, inpname)); |
| 386 |
if (dotilt(inpfp, outfp, buf, tltid, outname, tltid) != 0) { |
| 387 |
fprintf(stderr, "%s: bad tilt data\n", inpname); |
| 388 |
goto readerr; |
| 389 |
} |
| 390 |
if (dosource(inpfp, outfp, tltid, outname) != 0) { |
| 391 |
fprintf(stderr, "%s: bad luminaire data\n", inpname); |
| 392 |
goto readerr; |
| 393 |
} |
| 394 |
fclose(outfp); |
| 395 |
fclose(inpfp); |
| 396 |
return(0); |
| 397 |
readerr: |
| 398 |
fclose(outfp); |
| 399 |
fclose(inpfp); |
| 400 |
unlink(fullname(buf,outname,T_RAD)); |
| 401 |
return(-1); |
| 402 |
} |
| 403 |
|
| 404 |
|
| 405 |
dotilt(in, out, dir, tltspec, dfltname, tltid) /* convert tilt data */ |
| 406 |
FILE *in, *out; |
| 407 |
char *dir, *tltspec, *dfltname, *tltid; |
| 408 |
{ |
| 409 |
int nangles, tlt_type; |
| 410 |
double minmax[2]; |
| 411 |
char buf[MAXPATH], tltname[MAXWORD]; |
| 412 |
FILE *datin, *datout; |
| 413 |
|
| 414 |
if (!strcmp(tltspec, TLTNONE)) { |
| 415 |
datin = NULL; |
| 416 |
strcpy(tltid, "void"); |
| 417 |
} else if (!strcmp(tltspec, TLTINCL)) { |
| 418 |
datin = in; |
| 419 |
strcpy(tltname, dfltname); |
| 420 |
} else { |
| 421 |
if (tltspec[0] == '/') |
| 422 |
strcpy(buf, tltspec); |
| 423 |
else |
| 424 |
strcpy(stradd(buf, dir, '/'), tltspec); |
| 425 |
if ((datin = fopen(buf, "r")) == NULL) { |
| 426 |
perror(buf); |
| 427 |
return(-1); |
| 428 |
} |
| 429 |
tailtrunc(strcpy(tltname,filename(tltspec))); |
| 430 |
} |
| 431 |
if (datin != NULL) { |
| 432 |
if ((datout = fopen(fullname(buf,tltname,T_TLT),"w")) == NULL) { |
| 433 |
perror(buf); |
| 434 |
if (datin != in) |
| 435 |
fclose(datin); |
| 436 |
return(-1); |
| 437 |
} |
| 438 |
if (fscanf(datin, "%d %d", &tlt_type, &nangles) != 2 |
| 439 |
|| cvdata(datin,datout,1,&nangles,1.,minmax) != 0) { |
| 440 |
fprintf(stderr, "%s: data format error\n", tltspec); |
| 441 |
fclose(datout); |
| 442 |
if (datin != in) |
| 443 |
fclose(datin); |
| 444 |
unlink(fullname(buf,tltname,T_TLT)); |
| 445 |
return(-1); |
| 446 |
} |
| 447 |
fclose(datout); |
| 448 |
if (datin != in) |
| 449 |
fclose(datin); |
| 450 |
strcat(strcpy(tltid, filename(tltname)), "_tilt"); |
| 451 |
fprintf(out, "\nvoid brightdata %s\n", tltid); |
| 452 |
libname(buf,tltname,T_TLT); |
| 453 |
switch (tlt_type) { |
| 454 |
case TLT_VERT: /* vertical */ |
| 455 |
fprintf(out, "4 noop %s tilt.cal %s\n", buf, |
| 456 |
minmax[1]>90.+FTINY ? "tilt_ang" : "tilt_ang2"); |
| 457 |
break; |
| 458 |
case TLT_H0: /* horiz. in 0 deg. plane */ |
| 459 |
fprintf(out, "6 noop %s tilt.cal %s -rz 90\n", buf, |
| 460 |
minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); |
| 461 |
break; |
| 462 |
case TLT_H90: |
| 463 |
fprintf(out, "4 noop %s tilt.cal %s\n", buf, |
| 464 |
minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); |
| 465 |
break; |
| 466 |
default: |
| 467 |
fprintf(stderr, |
| 468 |
"%s: illegal lamp to luminaire geometry (%d)\n", |
| 469 |
tltspec, tlt_type); |
| 470 |
return(-1); |
| 471 |
} |
| 472 |
fprintf(out, "0\n0\n"); |
| 473 |
} |
| 474 |
return(0); |
| 475 |
} |
| 476 |
|
| 477 |
|
| 478 |
dosource(in, out, mod, name) /* create source and distribution */ |
| 479 |
FILE *in, *out; |
| 480 |
char *mod, *name; |
| 481 |
{ |
| 482 |
SHAPE srcshape; |
| 483 |
char buf[MAXPATH], id[MAXWORD]; |
| 484 |
FILE *datout; |
| 485 |
double mult, bfactor, pfactor, width, length, height, wattage; |
| 486 |
double bounds[2][2]; |
| 487 |
int nangles[2], pmtype, unitype; |
| 488 |
double d1; |
| 489 |
|
| 490 |
if (fscanf(in, "%*d %*f %lf %d %d %d %d %lf %lf %lf %lf %lf %lf", |
| 491 |
&mult, &nangles[0], &nangles[1], &pmtype, &unitype, |
| 492 |
&width, &length, &height, &bfactor, &pfactor, |
| 493 |
&wattage) != 11) { |
| 494 |
fprintf(stderr, "dosource: bad lamp specification\n"); |
| 495 |
return(-1); |
| 496 |
} |
| 497 |
if (nangles[0] < 2 || nangles[1] < 1) { |
| 498 |
fprintf(stderr, "dosource: too few measured angles\n"); |
| 499 |
return(-1); |
| 500 |
} |
| 501 |
if (unitype == U_FEET) { |
| 502 |
width *= F_M; |
| 503 |
length *= F_M; |
| 504 |
height *= F_M; |
| 505 |
} |
| 506 |
if (makeshape(&srcshape, width, length, height) != 0) { |
| 507 |
fprintf(stderr, "dosource: illegal source dimensions"); |
| 508 |
return(-1); |
| 509 |
} |
| 510 |
if ((datout = fopen(fullname(buf,name,T_DST), "w")) == NULL) { |
| 511 |
perror(buf); |
| 512 |
return(-1); |
| 513 |
} |
| 514 |
if (cvdata(in, datout, 2, nangles, 1./683., bounds) != 0) { |
| 515 |
fprintf(stderr, "dosource: bad distribution data\n"); |
| 516 |
fclose(datout); |
| 517 |
unlink(fullname(buf,name,T_DST)); |
| 518 |
return(-1); |
| 519 |
} |
| 520 |
fclose(datout); |
| 521 |
fprintf(out, "# %g watt luminaire, lamp*ballast factor = %g\n", |
| 522 |
wattage, bfactor*pfactor); |
| 523 |
strcat(strcpy(id, filename(name)), "_dist"); |
| 524 |
fprintf(out, "\n%s brightdata %s\n", mod, id); |
| 525 |
if (nangles[1] < 2) |
| 526 |
fprintf(out, "4 "); |
| 527 |
else if (pmtype == PM_B) |
| 528 |
fprintf(out, "5 "); |
| 529 |
else if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) |
| 530 |
fprintf(out, "8 "); |
| 531 |
else |
| 532 |
fprintf(out, "6 "); |
| 533 |
fprintf(out, "%s %s source.cal ", |
| 534 |
srcshape.type==SPHERE ? "corr" : "flatcorr", |
| 535 |
libname(buf,name,T_DST)); |
| 536 |
if (pmtype == PM_B) { |
| 537 |
if (FEQ(bounds[1][0],0.)) |
| 538 |
fprintf(out, "srcB_horiz2 "); |
| 539 |
else |
| 540 |
fprintf(out, "srcB_horiz "); |
| 541 |
fprintf(out, "srcB_vert "); |
| 542 |
} else { |
| 543 |
if (nangles[1] >= 2) { |
| 544 |
d1 = bounds[1][1] - bounds[1][0]; |
| 545 |
if (d1 <= 90.+FTINY) |
| 546 |
fprintf(out, "src_phi4 "); |
| 547 |
else if (d1 <= 180.+FTINY) |
| 548 |
fprintf(out, "src_phi2 "); |
| 549 |
else |
| 550 |
fprintf(out, "src_phi "); |
| 551 |
fprintf(out, "src_theta -my "); |
| 552 |
if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) |
| 553 |
fprintf(out, "-rz -90 "); |
| 554 |
} else |
| 555 |
fprintf(out, "src_theta "); |
| 556 |
} |
| 557 |
fprintf(out, "\n0\n1 %g\n", multiplier*mult*bfactor*pfactor); |
| 558 |
if (putsource(&srcshape, out, id, filename(name), |
| 559 |
bounds[0][0]<90., bounds[0][1]>90.) != 0) |
| 560 |
return(-1); |
| 561 |
return(0); |
| 562 |
} |
| 563 |
|
| 564 |
|
| 565 |
putsource(shp, fp, mod, name, dolower, doupper) /* put out source */ |
| 566 |
SHAPE *shp; |
| 567 |
FILE *fp; |
| 568 |
char *mod, *name; |
| 569 |
int dolower, doupper; |
| 570 |
{ |
| 571 |
char buf[MAXWORD]; |
| 572 |
|
| 573 |
fprintf(fp, "\n%s %s %s_light\n", mod, |
| 574 |
illumrad>=MINDIM/2. ? "illum" : "light", |
| 575 |
name); |
| 576 |
fprintf(fp, "0\n0\n3 %g %g %g\n", |
| 577 |
lampcolor[0]/shp->area, |
| 578 |
lampcolor[1]/shp->area, |
| 579 |
lampcolor[2]/shp->area); |
| 580 |
if (doupper && dolower && shp->type != SPHERE && shp->h > MINDIM) { |
| 581 |
fprintf(fp, "\n%s glow %s_glow\n", mod, name); |
| 582 |
fprintf(fp, "0\n0\n4 %g %g %g 0\n", |
| 583 |
lampcolor[0]/shp->area, |
| 584 |
lampcolor[1]/shp->area, |
| 585 |
lampcolor[2]/shp->area); |
| 586 |
} |
| 587 |
switch (shp->type) { |
| 588 |
case RECT: |
| 589 |
strcat(strcpy(buf, name), "_light"); |
| 590 |
if (dolower) |
| 591 |
putrectsrc(shp, fp, buf, name, 0); |
| 592 |
if (doupper) |
| 593 |
putrectsrc(shp, fp, buf, name, 1); |
| 594 |
if (doupper && dolower && shp->h > MINDIM) { |
| 595 |
strcat(strcpy(buf, name), "_glow"); |
| 596 |
putsides(shp, fp, buf, name); |
| 597 |
} |
| 598 |
break; |
| 599 |
case DISK: |
| 600 |
strcat(strcpy(buf, name), "_light"); |
| 601 |
if (dolower) |
| 602 |
putdisksrc(shp, fp, buf, name, 0); |
| 603 |
if (doupper) |
| 604 |
putdisksrc(shp, fp, buf, name, 1); |
| 605 |
if (doupper && dolower && shp->h > MINDIM) { |
| 606 |
strcat(strcpy(buf, name), "_glow"); |
| 607 |
putcyl(shp, fp, buf, name); |
| 608 |
} |
| 609 |
break; |
| 610 |
case SPHERE: |
| 611 |
strcat(strcpy(buf, name), "_light"); |
| 612 |
putspheresrc(shp, fp, buf, name); |
| 613 |
break; |
| 614 |
} |
| 615 |
return(0); |
| 616 |
} |
| 617 |
|
| 618 |
|
| 619 |
makeshape(shp, width, length, height) /* make source shape */ |
| 620 |
register SHAPE *shp; |
| 621 |
double width, length, height; |
| 622 |
{ |
| 623 |
if (illumrad >= MINDIM/2.) { |
| 624 |
shp->type = SPHERE; |
| 625 |
shp->w = shp->l = shp->h = 2.*illumrad; |
| 626 |
} else if (width < MINDIM) { |
| 627 |
width = -width; |
| 628 |
if (width < MINDIM) { |
| 629 |
shp->type = SPHERE; |
| 630 |
shp->w = shp->l = shp->h = MINDIM; |
| 631 |
} else if (height < .5*width) { |
| 632 |
shp->type = DISK; |
| 633 |
shp->w = shp->l = width; |
| 634 |
if (height >= MINDIM) |
| 635 |
shp->h = height; |
| 636 |
else |
| 637 |
shp->h = .5*MINDIM; |
| 638 |
} else { |
| 639 |
shp->type = SPHERE; |
| 640 |
shp->w = shp->l = shp->h = width; |
| 641 |
} |
| 642 |
} else { |
| 643 |
shp->type = RECT; |
| 644 |
shp->w = width; |
| 645 |
if (length >= MINDIM) |
| 646 |
shp->l = length; |
| 647 |
else |
| 648 |
shp->l = MINDIM; |
| 649 |
if (height >= MINDIM) |
| 650 |
shp->h = height; |
| 651 |
else |
| 652 |
shp->h = .5*MINDIM; |
| 653 |
} |
| 654 |
switch (shp->type) { |
| 655 |
case RECT: |
| 656 |
shp->area = shp->w * shp->l; |
| 657 |
break; |
| 658 |
case DISK: |
| 659 |
shp->area = PI/4. * shp->w * shp->w; |
| 660 |
break; |
| 661 |
case SPHERE: |
| 662 |
shp->area = PI * shp->w * shp->w; |
| 663 |
break; |
| 664 |
} |
| 665 |
return(0); |
| 666 |
} |
| 667 |
|
| 668 |
|
| 669 |
putrectsrc(shp, fp, mod, name, up) /* rectangular source */ |
| 670 |
SHAPE *shp; |
| 671 |
FILE *fp; |
| 672 |
char *mod, *name; |
| 673 |
int up; |
| 674 |
{ |
| 675 |
if (up) |
| 676 |
putrect(shp, fp, mod, name, ".u", 4, 5, 7, 6); |
| 677 |
else |
| 678 |
putrect(shp, fp, mod, name, ".d", 0, 2, 3, 1); |
| 679 |
} |
| 680 |
|
| 681 |
|
| 682 |
putsides(shp, fp, mod, name) /* put out sides of box */ |
| 683 |
register SHAPE *shp; |
| 684 |
FILE *fp; |
| 685 |
char *mod, *name; |
| 686 |
{ |
| 687 |
putrect(shp, fp, mod, name, ".1", 0, 1, 5, 4); |
| 688 |
putrect(shp, fp, mod, name, ".2", 1, 3, 7, 5); |
| 689 |
putrect(shp, fp, mod, name, ".3", 3, 2, 6, 7); |
| 690 |
putrect(shp, fp, mod, name, ".4", 2, 0, 4, 6); |
| 691 |
} |
| 692 |
|
| 693 |
|
| 694 |
putrect(shp, fp, mod, name, suffix, a, b, c, d) /* put out a rectangle */ |
| 695 |
SHAPE *shp; |
| 696 |
FILE *fp; |
| 697 |
char *mod, *name, *suffix; |
| 698 |
int a, b, c, d; |
| 699 |
{ |
| 700 |
fprintf(fp, "\n%s polygon %s%s\n0\n0\n12\n", mod, name, suffix); |
| 701 |
putpoint(shp, fp, a); |
| 702 |
putpoint(shp, fp, b); |
| 703 |
putpoint(shp, fp, c); |
| 704 |
putpoint(shp, fp, d); |
| 705 |
} |
| 706 |
|
| 707 |
|
| 708 |
putpoint(shp, fp, p) /* put out a point */ |
| 709 |
register SHAPE *shp; |
| 710 |
FILE *fp; |
| 711 |
int p; |
| 712 |
{ |
| 713 |
static double mult[2] = {-.5, .5}; |
| 714 |
|
| 715 |
fprintf(fp, "\t%g\t%g\t%g\n", |
| 716 |
mult[p&1]*shp->l*meters2out, |
| 717 |
mult[p>>1&1]*shp->w*meters2out, |
| 718 |
mult[p>>2]*shp->h*meters2out); |
| 719 |
} |
| 720 |
|
| 721 |
|
| 722 |
putdisksrc(shp, fp, mod, name, up) /* put out a disk source */ |
| 723 |
register SHAPE *shp; |
| 724 |
FILE *fp; |
| 725 |
char *mod, *name; |
| 726 |
int up; |
| 727 |
{ |
| 728 |
if (up) { |
| 729 |
fprintf(fp, "\n%s ring %s.u\n", mod, name); |
| 730 |
fprintf(fp, "0\n0\n8\n"); |
| 731 |
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); |
| 732 |
fprintf(fp, "\t0 0 1\n"); |
| 733 |
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); |
| 734 |
} else { |
| 735 |
fprintf(fp, "\n%s ring %s.d\n", mod, name); |
| 736 |
fprintf(fp, "0\n0\n8\n"); |
| 737 |
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); |
| 738 |
fprintf(fp, "\t0 0 -1\n"); |
| 739 |
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); |
| 740 |
} |
| 741 |
} |
| 742 |
|
| 743 |
|
| 744 |
putcyl(shp, fp, mod, name) /* put out a cylinder */ |
| 745 |
register SHAPE *shp; |
| 746 |
FILE *fp; |
| 747 |
char *mod, *name; |
| 748 |
{ |
| 749 |
fprintf(fp, "\n%s cylinder %s.c\n", mod, name); |
| 750 |
fprintf(fp, "0\n0\n7\n"); |
| 751 |
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); |
| 752 |
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); |
| 753 |
fprintf(fp, "\t%g\n", .5*shp->w*meters2out); |
| 754 |
} |
| 755 |
|
| 756 |
|
| 757 |
putspheresrc(shp, fp, mod, name) /* put out a sphere source */ |
| 758 |
SHAPE *shp; |
| 759 |
FILE *fp; |
| 760 |
char *mod, *name; |
| 761 |
{ |
| 762 |
fprintf(fp, "\n%s sphere %s.s\n", mod, name); |
| 763 |
fprintf(fp, "0\n0\n4 0 0 0 %g\n", .5*shp->w*meters2out); |
| 764 |
} |
| 765 |
|
| 766 |
|
| 767 |
cvdata(in, out, ndim, npts, mult, lim) /* convert data */ |
| 768 |
FILE *in, *out; |
| 769 |
int ndim, npts[]; |
| 770 |
double mult, lim[][2]; |
| 771 |
{ |
| 772 |
register double *pt[4]; |
| 773 |
register int i, j; |
| 774 |
double val; |
| 775 |
int total; |
| 776 |
|
| 777 |
total = 1; j = 0; |
| 778 |
for (i = 0; i < ndim; i++) |
| 779 |
if (npts[i] > 1) { |
| 780 |
total *= npts[i]; |
| 781 |
j++; |
| 782 |
} |
| 783 |
fprintf(out, "%d\n", j); |
| 784 |
/* get coordinates */ |
| 785 |
for (i = 0; i < ndim; i++) { |
| 786 |
pt[i] = (double *)malloc(npts[i]*sizeof(double)); |
| 787 |
for (j = 0; j < npts[i]; j++) |
| 788 |
fscanf(in, "%lf", &pt[i][j]); |
| 789 |
if (lim != NULL) { |
| 790 |
lim[i][0] = pt[i][0]; |
| 791 |
lim[i][1] = pt[i][npts[i]-1]; |
| 792 |
} |
| 793 |
} |
| 794 |
/* write out in reverse */ |
| 795 |
for (i = ndim-1; i >= 0; i--) { |
| 796 |
if (npts[i] > 1) { |
| 797 |
for (j = 1; j < npts[i]-1; j++) |
| 798 |
if (!FEQ(pt[i][j]-pt[i][j-1], |
| 799 |
pt[i][j+1]-pt[i][j])) |
| 800 |
break; |
| 801 |
if (j == npts[i]-1) |
| 802 |
fprintf(out, "%g %g %d\n", pt[i][0], pt[i][j], |
| 803 |
npts[i]); |
| 804 |
else { |
| 805 |
fprintf(out, "0 0 %d", npts[i]); |
| 806 |
for (j = 0; j < npts[i]; j++) { |
| 807 |
if (j%4 == 0) |
| 808 |
putc('\n', out); |
| 809 |
fprintf(out, "\t%g", pt[i][j]); |
| 810 |
} |
| 811 |
putc('\n', out); |
| 812 |
} |
| 813 |
} |
| 814 |
free((char *)pt[i]); |
| 815 |
} |
| 816 |
for (i = 0; i < total; i++) { |
| 817 |
if (i%4 == 0) |
| 818 |
putc('\n', out); |
| 819 |
if (fscanf(in, "%lf", &val) != 1) |
| 820 |
return(-1); |
| 821 |
fprintf(out, "\t%g", val*mult); |
| 822 |
} |
| 823 |
putc('\n', out); |
| 824 |
return(0); |
| 825 |
} |
