| 1 | greg | 1.1 | /* 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 | greg | 1.2 | #include "color.h" | 
| 16 | greg | 1.1 |  | 
| 17 |  |  | #define PI              3.14159265358979323846 | 
| 18 |  |  | /* floating comparisons */ | 
| 19 |  |  | #define FTINY           1e-6 | 
| 20 |  |  | #define FEQ(a,b)        ((a)<=(b)+FTINY&&(a)>=(b)-FTINY) | 
| 21 |  |  | /* tilt specs */ | 
| 22 |  |  | #define TLTSTR          "TILT=" | 
| 23 |  |  | #define TLTSTRLEN       5 | 
| 24 |  |  | #define TLTNONE         "NONE" | 
| 25 |  |  | #define TLTINCL         "INCLUDE" | 
| 26 |  |  | #define TLT_VERT        1 | 
| 27 |  |  | #define TLT_H0          2 | 
| 28 |  |  | #define TLT_H90         3 | 
| 29 |  |  | /* photometric types */ | 
| 30 |  |  | #define PM_C            1 | 
| 31 |  |  | #define PM_B            2 | 
| 32 |  |  | /* unit types */ | 
| 33 |  |  | #define U_FEET          1 | 
| 34 |  |  | #define U_METERS        2 | 
| 35 |  |  | /* string lengths */ | 
| 36 |  |  | #define MAXLINE         132 | 
| 37 |  |  | #define MAXWORD         76 | 
| 38 |  |  | #define MAXPATH         128 | 
| 39 |  |  | /* file types */ | 
| 40 |  |  | #define T_RAD           ".rad" | 
| 41 |  |  | #define T_DST           ".dat" | 
| 42 |  |  | #define T_TLT           "+.dat" | 
| 43 |  |  | /* shape types */ | 
| 44 |  |  | #define RECT            1 | 
| 45 |  |  | #define DISK            2 | 
| 46 |  |  | #define SPHERE          3 | 
| 47 |  |  |  | 
| 48 |  |  | #define MINDIM          .001            /* minimum dimension (point source) */ | 
| 49 |  |  |  | 
| 50 |  |  | #define F_M             .3048           /* feet to meters */ | 
| 51 |  |  |  | 
| 52 |  |  | #define abspath(p)      ((p)[0] == '/' || (p)[0] == '.') | 
| 53 |  |  |  | 
| 54 | greg | 1.2 | static char     default_name[] = "default"; | 
| 55 |  |  |  | 
| 56 | greg | 1.1 | char    *libdir = NULL;                 /* library directory location */ | 
| 57 |  |  | char    *prefdir = NULL;                /* subdirectory */ | 
| 58 |  |  | char    *lampdat = "lamp.tab";          /* lamp data file */ | 
| 59 |  |  |  | 
| 60 |  |  | double  meters2out = 1.0;               /* conversion from meters to output */ | 
| 61 |  |  | char    *lamptype = NULL;               /* selected lamp type */ | 
| 62 | greg | 1.2 | char    *deflamp = NULL;                /* default lamp type */ | 
| 63 | greg | 1.1 | float   defcolor[3] = {1.,1.,1.};       /* default lamp color */ | 
| 64 | greg | 1.2 | float   *lampcolor = defcolor;          /* pointer to current lamp color */ | 
| 65 | greg | 1.1 | double  multiplier = 1.0;               /* multiplier for all light sources */ | 
| 66 |  |  | char    units[64] = "meters";           /* output units */ | 
| 67 |  |  | double  minaspect = 0.0;                /* minimum allowed aspect ratio */ | 
| 68 |  |  | int     maxemitters = 1;                /* maximum emitters per hemisphere */ | 
| 69 |  |  | double  illumrad = 0.0;                 /* radius for illum sphere */ | 
| 70 |  |  |  | 
| 71 |  |  | typedef struct { | 
| 72 |  |  | int     type;                           /* RECT, DISK, SPHERE */ | 
| 73 |  |  | double  w, l, h;                        /* width, length, height */ | 
| 74 | greg | 1.3 | double  area;                           /* max. projected area */ | 
| 75 | greg | 1.1 | } SHAPE;                                /* a source shape */ | 
| 76 |  |  |  | 
| 77 |  |  | int     gargc;                          /* global argc (minus filenames) */ | 
| 78 |  |  | char    **gargv;                        /* global argv */ | 
| 79 |  |  |  | 
| 80 |  |  | extern char     *strcpy(), *strcat(), *stradd(), *tailtrunc(), *filetrunc(), | 
| 81 |  |  | *filename(), *libname(), *fullname(), *malloc(); | 
| 82 |  |  | extern double   atof(); | 
| 83 |  |  | extern float    *matchlamp(); | 
| 84 |  |  |  | 
| 85 |  |  |  | 
| 86 |  |  | main(argc, argv) | 
| 87 |  |  | int     argc; | 
| 88 |  |  | char    *argv[]; | 
| 89 |  |  | { | 
| 90 |  |  | char    *outfile = NULL; | 
| 91 |  |  | int     status; | 
| 92 |  |  | char    outname[MAXWORD]; | 
| 93 |  |  | double  d1; | 
| 94 |  |  | int     i; | 
| 95 |  |  |  | 
| 96 |  |  | for (i = 1; i < argc && argv[i][0] == '-'; i++) | 
| 97 |  |  | switch (argv[i][1]) { | 
| 98 |  |  | case 'd':               /* dimensions */ | 
| 99 |  |  | if (argv[i][2] == '\0') | 
| 100 |  |  | goto badopt; | 
| 101 |  |  | if (argv[i][3] == '\0') | 
| 102 |  |  | d1 = 1.0; | 
| 103 |  |  | else if (argv[i][3] == '/') { | 
| 104 |  |  | d1 = atof(argv[i]+4); | 
| 105 |  |  | if (d1 <= FTINY) | 
| 106 |  |  | goto badopt; | 
| 107 |  |  | } else | 
| 108 |  |  | goto badopt; | 
| 109 |  |  | switch (argv[i][2]) { | 
| 110 |  |  | case 'c':               /* centimeters */ | 
| 111 |  |  | if (FEQ(d1,10.)) | 
| 112 |  |  | strcpy(units,"millimeters"); | 
| 113 |  |  | else { | 
| 114 |  |  | strcpy(units,"centimeters"); | 
| 115 |  |  | strcat(units,argv[i]+3); | 
| 116 |  |  | } | 
| 117 |  |  | meters2out = 100.*d1; | 
| 118 |  |  | break; | 
| 119 |  |  | case 'm':               /* meters */ | 
| 120 |  |  | if (FEQ(d1,1000.)) | 
| 121 |  |  | strcpy(units,"millimeters"); | 
| 122 |  |  | else if (FEQ(d1,100.)) | 
| 123 |  |  | strcpy(units,"centimeters"); | 
| 124 |  |  | else { | 
| 125 |  |  | strcpy(units,"meters"); | 
| 126 |  |  | strcat(units,argv[i]+3); | 
| 127 |  |  | } | 
| 128 |  |  | meters2out = d1; | 
| 129 |  |  | break; | 
| 130 |  |  | case 'i':               /* inches */ | 
| 131 |  |  | strcpy(units,"inches"); | 
| 132 |  |  | strcat(units,argv[i]+3); | 
| 133 |  |  | meters2out = d1*(12./F_M); | 
| 134 |  |  | break; | 
| 135 |  |  | case 'f':               /* feet */ | 
| 136 |  |  | if (FEQ(d1,12.)) | 
| 137 |  |  | strcpy(units,"inches"); | 
| 138 |  |  | else { | 
| 139 |  |  | strcpy(units,"feet"); | 
| 140 |  |  | strcat(units,argv[i]+3); | 
| 141 |  |  | } | 
| 142 |  |  | meters2out = d1/F_M; | 
| 143 |  |  | break; | 
| 144 |  |  | default: | 
| 145 |  |  | goto badopt; | 
| 146 |  |  | } | 
| 147 |  |  | break; | 
| 148 |  |  | case 'l':               /* library directory */ | 
| 149 |  |  | libdir = argv[++i]; | 
| 150 |  |  | break; | 
| 151 |  |  | case 'p':               /* prefix subdirectory */ | 
| 152 |  |  | prefdir = argv[++i]; | 
| 153 |  |  | break; | 
| 154 |  |  | case 'f':               /* lamp data file */ | 
| 155 |  |  | lampdat = argv[++i]; | 
| 156 |  |  | break; | 
| 157 |  |  | case 'o':               /* output file name */ | 
| 158 |  |  | outfile = argv[++i]; | 
| 159 |  |  | break; | 
| 160 |  |  | case 's':               /* square emitters */ | 
| 161 |  |  | minaspect = .6; | 
| 162 |  |  | if (argv[i][2] == '/') { | 
| 163 |  |  | maxemitters = atoi(argv[i]+3); | 
| 164 |  |  | if (maxemitters < 1) | 
| 165 |  |  | goto badopt; | 
| 166 |  |  | } | 
| 167 |  |  | break; | 
| 168 |  |  | case 'i':               /* illum */ | 
| 169 |  |  | illumrad = atof(argv[++i]); | 
| 170 |  |  | if (illumrad < MINDIM) | 
| 171 |  |  | illumrad = MINDIM; | 
| 172 |  |  | break; | 
| 173 | greg | 1.2 | case 't':               /* override lamp type */ | 
| 174 | greg | 1.1 | lamptype = argv[++i]; | 
| 175 |  |  | break; | 
| 176 | greg | 1.2 | case 'u':               /* default lamp type */ | 
| 177 |  |  | deflamp = argv[++i]; | 
| 178 |  |  | break; | 
| 179 | greg | 1.1 | case 'c':               /* default lamp color */ | 
| 180 |  |  | defcolor[0] = atof(argv[++i]); | 
| 181 |  |  | defcolor[1] = atof(argv[++i]); | 
| 182 |  |  | defcolor[2] = atof(argv[++i]); | 
| 183 |  |  | break; | 
| 184 |  |  | case 'm':               /* multiplier */ | 
| 185 |  |  | multiplier = atof(argv[++i]); | 
| 186 |  |  | break; | 
| 187 |  |  | default: | 
| 188 |  |  | badopt: | 
| 189 |  |  | fprintf(stderr, "%s: bad option: %s\n", | 
| 190 |  |  | argv[0], argv[i]); | 
| 191 |  |  | exit(1); | 
| 192 |  |  | } | 
| 193 |  |  | gargc = i; | 
| 194 |  |  | gargv = argv; | 
| 195 | greg | 1.2 | initlamps();                    /* get lamp data (if needed) */ | 
| 196 | greg | 1.1 | /* 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 | greg | 1.2 | } | 
| 220 |  |  |  | 
| 221 |  |  |  | 
| 222 |  |  | initlamps()                             /* set up lamps */ | 
| 223 |  |  | { | 
| 224 |  |  | float   *lcol; | 
| 225 |  |  | int     status; | 
| 226 |  |  |  | 
| 227 |  |  | if (lamptype != NULL && !strcmp(lamptype, default_name) && | 
| 228 |  |  | deflamp == NULL) | 
| 229 |  |  | return;                         /* no need for data */ | 
| 230 |  |  | /* else load file */ | 
| 231 |  |  | if ((status = loadlamps(lampdat)) < 0) | 
| 232 |  |  | exit(1); | 
| 233 |  |  | if (status == 0) { | 
| 234 |  |  | fprintf(stderr, "%s: warning - no lamp data\n", lampdat); | 
| 235 |  |  | lamptype = default_name; | 
| 236 |  |  | return; | 
| 237 |  |  | } | 
| 238 |  |  | if (deflamp != NULL) {                  /* match default type */ | 
| 239 |  |  | if ((lcol = matchlamp(deflamp)) == NULL) | 
| 240 |  |  | fprintf(stderr, | 
| 241 |  |  | "%s: warning - unknown default lamp type\n", | 
| 242 |  |  | deflamp); | 
| 243 |  |  | else | 
| 244 |  |  | copycolor(defcolor, lcol); | 
| 245 |  |  | } | 
| 246 |  |  | if (lamptype != NULL) {                 /* match selected type */ | 
| 247 |  |  | if (strcmp(lamptype, default_name)) { | 
| 248 |  |  | if ((lcol = matchlamp(lamptype)) == NULL) { | 
| 249 |  |  | fprintf(stderr, | 
| 250 |  |  | "%s: warning - unknown lamp type\n", | 
| 251 |  |  | lamptype); | 
| 252 |  |  | lamptype = default_name; | 
| 253 |  |  | } else | 
| 254 |  |  | copycolor(defcolor, lcol); | 
| 255 |  |  | } | 
| 256 |  |  | freelamps();                    /* all done with data */ | 
| 257 |  |  | } | 
| 258 |  |  | /* else keep lamp data */ | 
| 259 | greg | 1.1 | } | 
| 260 |  |  |  | 
| 261 |  |  |  | 
| 262 |  |  | char * | 
| 263 |  |  | stradd(dst, src, sep)                   /* add a string at dst */ | 
| 264 |  |  | register char   *dst, *src; | 
| 265 |  |  | int     sep; | 
| 266 |  |  | { | 
| 267 |  |  | if (src && *src) { | 
| 268 |  |  | do | 
| 269 |  |  | *dst++ = *src++; | 
| 270 |  |  | while (*src); | 
| 271 |  |  | if (sep && dst[-1] != sep) | 
| 272 |  |  | *dst++ = sep; | 
| 273 |  |  | } | 
| 274 |  |  | *dst = '\0'; | 
| 275 |  |  | return(dst); | 
| 276 |  |  | } | 
| 277 |  |  |  | 
| 278 |  |  |  | 
| 279 |  |  | char * | 
| 280 |  |  | fullname(path, fname, suffix)           /* return full path name */ | 
| 281 |  |  | char    *path, *fname, *suffix; | 
| 282 |  |  | { | 
| 283 |  |  | if (prefdir != NULL && abspath(prefdir)) | 
| 284 |  |  | libname(path, fname, suffix); | 
| 285 |  |  | else if (abspath(fname)) | 
| 286 |  |  | strcpy(stradd(path, fname, 0), suffix); | 
| 287 |  |  | else | 
| 288 |  |  | libname(stradd(path, libdir, '/'), fname, suffix); | 
| 289 |  |  |  | 
| 290 |  |  | return(path); | 
| 291 |  |  | } | 
| 292 |  |  |  | 
| 293 |  |  |  | 
| 294 |  |  | char * | 
| 295 |  |  | libname(path, fname, suffix)            /* return library relative name */ | 
| 296 |  |  | char    *path, *fname, *suffix; | 
| 297 |  |  | { | 
| 298 |  |  | if (abspath(fname)) | 
| 299 |  |  | strcpy(stradd(path, fname, 0), suffix); | 
| 300 |  |  | else | 
| 301 |  |  | strcpy(stradd(stradd(path, prefdir, '/'), fname, 0), suffix); | 
| 302 |  |  |  | 
| 303 |  |  | return(path); | 
| 304 |  |  | } | 
| 305 |  |  |  | 
| 306 |  |  |  | 
| 307 |  |  | char * | 
| 308 |  |  | filename(path)                  /* get final component of pathname */ | 
| 309 |  |  | register char   *path; | 
| 310 |  |  | { | 
| 311 |  |  | register char   *cp; | 
| 312 |  |  |  | 
| 313 |  |  | for (cp = path; *path; path++) | 
| 314 |  |  | if (*path == '/') | 
| 315 |  |  | cp = path+1; | 
| 316 |  |  | return(cp); | 
| 317 |  |  | } | 
| 318 |  |  |  | 
| 319 |  |  |  | 
| 320 |  |  | char * | 
| 321 |  |  | filetrunc(path)                         /* truncate filename at end of path */ | 
| 322 |  |  | char    *path; | 
| 323 |  |  | { | 
| 324 |  |  | register char   *p1, *p2; | 
| 325 |  |  |  | 
| 326 |  |  | for (p1 = p2 = path; *p2; p2++) | 
| 327 |  |  | if (*p2 == '/') | 
| 328 |  |  | p1 = p2; | 
| 329 |  |  | *p1 = '\0'; | 
| 330 |  |  | return(path); | 
| 331 |  |  | } | 
| 332 |  |  |  | 
| 333 |  |  |  | 
| 334 |  |  | char * | 
| 335 |  |  | tailtrunc(name)                         /* truncate tail of filename */ | 
| 336 |  |  | char    *name; | 
| 337 |  |  | { | 
| 338 |  |  | register char   *p1, *p2; | 
| 339 |  |  |  | 
| 340 |  |  | for (p1 = filename(name); *p1 == '.'; p1++) | 
| 341 |  |  | ; | 
| 342 |  |  | p2 = NULL; | 
| 343 |  |  | for ( ; *p1; p1++) | 
| 344 |  |  | if (*p1 == '.') | 
| 345 |  |  | p2 = p1; | 
| 346 |  |  | if (p2 != NULL) | 
| 347 |  |  | *p2 = '\0'; | 
| 348 |  |  | return(name); | 
| 349 |  |  | } | 
| 350 |  |  |  | 
| 351 |  |  |  | 
| 352 |  |  | blanktrunc(s)                           /* truncate spaces at end of line */ | 
| 353 |  |  | char    *s; | 
| 354 |  |  | { | 
| 355 |  |  | register char   *cp; | 
| 356 |  |  |  | 
| 357 |  |  | for (cp = s; *cp; cp++) | 
| 358 |  |  | ; | 
| 359 |  |  | while (cp-- > s && isspace(*cp)) | 
| 360 |  |  | ; | 
| 361 |  |  | *++cp = '\0'; | 
| 362 |  |  | } | 
| 363 |  |  |  | 
| 364 |  |  |  | 
| 365 |  |  | putheader(out)                          /* print header */ | 
| 366 |  |  | FILE    *out; | 
| 367 |  |  | { | 
| 368 |  |  | register int    i; | 
| 369 |  |  |  | 
| 370 |  |  | putc('#', out); | 
| 371 |  |  | for (i = 0; i < gargc; i++) { | 
| 372 |  |  | putc(' ', out); | 
| 373 |  |  | fputs(gargv[i], out); | 
| 374 |  |  | } | 
| 375 |  |  | fputs("\n# Dimensions in ", out); | 
| 376 |  |  | fputs(units, out); | 
| 377 |  |  | putc('\n', out); | 
| 378 |  |  | } | 
| 379 |  |  |  | 
| 380 |  |  |  | 
| 381 |  |  | ies2rad(inpname, outname)               /* convert IES file */ | 
| 382 |  |  | char    *inpname, *outname; | 
| 383 |  |  | { | 
| 384 |  |  | char    buf[MAXLINE], tltid[MAXWORD]; | 
| 385 |  |  | FILE    *inpfp, *outfp; | 
| 386 |  |  |  | 
| 387 |  |  | if (inpname == NULL) { | 
| 388 |  |  | inpname = "<stdin>"; | 
| 389 |  |  | inpfp = stdin; | 
| 390 |  |  | } else if ((inpfp = fopen(inpname, "r")) == NULL) { | 
| 391 |  |  | perror(inpname); | 
| 392 |  |  | return(-1); | 
| 393 |  |  | } | 
| 394 |  |  | if ((outfp = fopen(fullname(buf,outname,T_RAD), "w")) == NULL) { | 
| 395 |  |  | perror(buf); | 
| 396 |  |  | fclose(inpfp); | 
| 397 |  |  | return(-1); | 
| 398 |  |  | } | 
| 399 |  |  | putheader(outfp); | 
| 400 |  |  | if (lamptype == NULL) | 
| 401 |  |  | lampcolor = NULL; | 
| 402 |  |  | while (fgets(buf,sizeof(buf),inpfp) != NULL | 
| 403 |  |  | && strncmp(buf,TLTSTR,TLTSTRLEN)) { | 
| 404 |  |  | blanktrunc(buf); | 
| 405 |  |  | if (!buf[0]) | 
| 406 |  |  | continue; | 
| 407 |  |  | fputs("#<", outfp); | 
| 408 |  |  | fputs(buf, outfp); | 
| 409 |  |  | putc('\n', outfp); | 
| 410 |  |  | if (lampcolor == NULL) | 
| 411 |  |  | lampcolor = matchlamp(buf); | 
| 412 |  |  | } | 
| 413 |  |  | if (lampcolor == NULL) { | 
| 414 |  |  | fprintf(stderr, "%s: warning - no lamp type\n", inpname); | 
| 415 |  |  | lampcolor = defcolor; | 
| 416 |  |  | } | 
| 417 |  |  | if (feof(inpfp)) { | 
| 418 |  |  | fprintf(stderr, "%s: not in IES format\n", inpname); | 
| 419 |  |  | goto readerr; | 
| 420 |  |  | } | 
| 421 |  |  | sscanf(buf+TLTSTRLEN, "%s", tltid); | 
| 422 |  |  | if (inpfp == stdin) | 
| 423 |  |  | buf[0] = '\0'; | 
| 424 |  |  | else | 
| 425 |  |  | filetrunc(strcpy(buf, inpname)); | 
| 426 |  |  | if (dotilt(inpfp, outfp, buf, tltid, outname, tltid) != 0) { | 
| 427 |  |  | fprintf(stderr, "%s: bad tilt data\n", inpname); | 
| 428 |  |  | goto readerr; | 
| 429 |  |  | } | 
| 430 |  |  | if (dosource(inpfp, outfp, tltid, outname) != 0) { | 
| 431 |  |  | fprintf(stderr, "%s: bad luminaire data\n", inpname); | 
| 432 |  |  | goto readerr; | 
| 433 |  |  | } | 
| 434 |  |  | fclose(outfp); | 
| 435 |  |  | fclose(inpfp); | 
| 436 |  |  | return(0); | 
| 437 |  |  | readerr: | 
| 438 |  |  | fclose(outfp); | 
| 439 |  |  | fclose(inpfp); | 
| 440 |  |  | unlink(fullname(buf,outname,T_RAD)); | 
| 441 |  |  | return(-1); | 
| 442 |  |  | } | 
| 443 |  |  |  | 
| 444 |  |  |  | 
| 445 |  |  | dotilt(in, out, dir, tltspec, dfltname, tltid)  /* convert tilt data */ | 
| 446 |  |  | FILE    *in, *out; | 
| 447 |  |  | char    *dir, *tltspec, *dfltname, *tltid; | 
| 448 |  |  | { | 
| 449 |  |  | int     nangles, tlt_type; | 
| 450 |  |  | double  minmax[2]; | 
| 451 |  |  | char    buf[MAXPATH], tltname[MAXWORD]; | 
| 452 |  |  | FILE    *datin, *datout; | 
| 453 |  |  |  | 
| 454 |  |  | if (!strcmp(tltspec, TLTNONE)) { | 
| 455 |  |  | datin = NULL; | 
| 456 |  |  | strcpy(tltid, "void"); | 
| 457 |  |  | } else if (!strcmp(tltspec, TLTINCL)) { | 
| 458 |  |  | datin = in; | 
| 459 |  |  | strcpy(tltname, dfltname); | 
| 460 |  |  | } else { | 
| 461 |  |  | if (tltspec[0] == '/') | 
| 462 |  |  | strcpy(buf, tltspec); | 
| 463 |  |  | else | 
| 464 |  |  | strcpy(stradd(buf, dir, '/'), tltspec); | 
| 465 |  |  | if ((datin = fopen(buf, "r")) == NULL) { | 
| 466 |  |  | perror(buf); | 
| 467 |  |  | return(-1); | 
| 468 |  |  | } | 
| 469 |  |  | tailtrunc(strcpy(tltname,filename(tltspec))); | 
| 470 |  |  | } | 
| 471 |  |  | if (datin != NULL) { | 
| 472 |  |  | if ((datout = fopen(fullname(buf,tltname,T_TLT),"w")) == NULL) { | 
| 473 |  |  | perror(buf); | 
| 474 |  |  | if (datin != in) | 
| 475 |  |  | fclose(datin); | 
| 476 |  |  | return(-1); | 
| 477 |  |  | } | 
| 478 |  |  | if (fscanf(datin, "%d %d", &tlt_type, &nangles) != 2 | 
| 479 |  |  | || cvdata(datin,datout,1,&nangles,1.,minmax) != 0) { | 
| 480 |  |  | fprintf(stderr, "%s: data format error\n", tltspec); | 
| 481 |  |  | fclose(datout); | 
| 482 |  |  | if (datin != in) | 
| 483 |  |  | fclose(datin); | 
| 484 |  |  | unlink(fullname(buf,tltname,T_TLT)); | 
| 485 |  |  | return(-1); | 
| 486 |  |  | } | 
| 487 |  |  | fclose(datout); | 
| 488 |  |  | if (datin != in) | 
| 489 |  |  | fclose(datin); | 
| 490 |  |  | strcat(strcpy(tltid, filename(tltname)), "_tilt"); | 
| 491 |  |  | fprintf(out, "\nvoid brightdata %s\n", tltid); | 
| 492 |  |  | libname(buf,tltname,T_TLT); | 
| 493 |  |  | switch (tlt_type) { | 
| 494 |  |  | case TLT_VERT:                  /* vertical */ | 
| 495 |  |  | fprintf(out, "4 noop %s tilt.cal %s\n", buf, | 
| 496 |  |  | minmax[1]>90.+FTINY ? "tilt_ang" : "tilt_ang2"); | 
| 497 |  |  | break; | 
| 498 |  |  | case TLT_H0:                    /* horiz. in 0 deg. plane */ | 
| 499 |  |  | fprintf(out, "6 noop %s tilt.cal %s -rz 90\n", buf, | 
| 500 |  |  | minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); | 
| 501 |  |  | break; | 
| 502 |  |  | case TLT_H90: | 
| 503 |  |  | fprintf(out, "4 noop %s tilt.cal %s\n", buf, | 
| 504 |  |  | minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); | 
| 505 |  |  | break; | 
| 506 |  |  | default: | 
| 507 |  |  | fprintf(stderr, | 
| 508 |  |  | "%s: illegal lamp to luminaire geometry (%d)\n", | 
| 509 |  |  | tltspec, tlt_type); | 
| 510 |  |  | return(-1); | 
| 511 |  |  | } | 
| 512 |  |  | fprintf(out, "0\n0\n"); | 
| 513 |  |  | } | 
| 514 |  |  | return(0); | 
| 515 |  |  | } | 
| 516 |  |  |  | 
| 517 |  |  |  | 
| 518 |  |  | dosource(in, out, mod, name)            /* create source and distribution */ | 
| 519 |  |  | FILE    *in, *out; | 
| 520 |  |  | char    *mod, *name; | 
| 521 |  |  | { | 
| 522 |  |  | SHAPE   srcshape; | 
| 523 |  |  | char    buf[MAXPATH], id[MAXWORD]; | 
| 524 |  |  | FILE    *datout; | 
| 525 |  |  | double  mult, bfactor, pfactor, width, length, height, wattage; | 
| 526 |  |  | double  bounds[2][2]; | 
| 527 |  |  | int     nangles[2], pmtype, unitype; | 
| 528 |  |  | double  d1; | 
| 529 |  |  |  | 
| 530 |  |  | if (fscanf(in, "%*d %*f %lf %d %d %d %d %lf %lf %lf %lf %lf %lf", | 
| 531 |  |  | &mult, &nangles[0], &nangles[1], &pmtype, &unitype, | 
| 532 |  |  | &width, &length, &height, &bfactor, &pfactor, | 
| 533 |  |  | &wattage) != 11) { | 
| 534 |  |  | fprintf(stderr, "dosource: bad lamp specification\n"); | 
| 535 |  |  | return(-1); | 
| 536 |  |  | } | 
| 537 |  |  | if (nangles[0] < 2 || nangles[1] < 1) { | 
| 538 |  |  | fprintf(stderr, "dosource: too few measured angles\n"); | 
| 539 |  |  | return(-1); | 
| 540 |  |  | } | 
| 541 |  |  | if (unitype == U_FEET) { | 
| 542 |  |  | width *= F_M; | 
| 543 |  |  | length *= F_M; | 
| 544 |  |  | height *= F_M; | 
| 545 |  |  | } | 
| 546 |  |  | if (makeshape(&srcshape, width, length, height) != 0) { | 
| 547 |  |  | fprintf(stderr, "dosource: illegal source dimensions"); | 
| 548 |  |  | return(-1); | 
| 549 |  |  | } | 
| 550 |  |  | if ((datout = fopen(fullname(buf,name,T_DST), "w")) == NULL) { | 
| 551 |  |  | perror(buf); | 
| 552 |  |  | return(-1); | 
| 553 |  |  | } | 
| 554 | greg | 1.4 | if (cvdata(in, datout, 2, nangles, 1./470., bounds) != 0) { | 
| 555 | greg | 1.1 | fprintf(stderr, "dosource: bad distribution data\n"); | 
| 556 |  |  | fclose(datout); | 
| 557 |  |  | unlink(fullname(buf,name,T_DST)); | 
| 558 |  |  | return(-1); | 
| 559 |  |  | } | 
| 560 |  |  | fclose(datout); | 
| 561 |  |  | fprintf(out, "# %g watt luminaire, lamp*ballast factor = %g\n", | 
| 562 |  |  | wattage, bfactor*pfactor); | 
| 563 |  |  | strcat(strcpy(id, filename(name)), "_dist"); | 
| 564 |  |  | fprintf(out, "\n%s brightdata %s\n", mod, id); | 
| 565 |  |  | if (nangles[1] < 2) | 
| 566 |  |  | fprintf(out, "4 "); | 
| 567 |  |  | else if (pmtype == PM_B) | 
| 568 |  |  | fprintf(out, "5 "); | 
| 569 |  |  | else if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) | 
| 570 |  |  | fprintf(out, "8 "); | 
| 571 |  |  | else | 
| 572 |  |  | fprintf(out, "6 "); | 
| 573 |  |  | fprintf(out, "%s %s source.cal ", | 
| 574 |  |  | srcshape.type==SPHERE ? "corr" : "flatcorr", | 
| 575 |  |  | libname(buf,name,T_DST)); | 
| 576 |  |  | if (pmtype == PM_B) { | 
| 577 |  |  | if (FEQ(bounds[1][0],0.)) | 
| 578 |  |  | fprintf(out, "srcB_horiz2 "); | 
| 579 |  |  | else | 
| 580 |  |  | fprintf(out, "srcB_horiz "); | 
| 581 |  |  | fprintf(out, "srcB_vert "); | 
| 582 |  |  | } else { | 
| 583 |  |  | if (nangles[1] >= 2) { | 
| 584 |  |  | d1 = bounds[1][1] - bounds[1][0]; | 
| 585 |  |  | if (d1 <= 90.+FTINY) | 
| 586 |  |  | fprintf(out, "src_phi4 "); | 
| 587 |  |  | else if (d1 <= 180.+FTINY) | 
| 588 |  |  | fprintf(out, "src_phi2 "); | 
| 589 |  |  | else | 
| 590 |  |  | fprintf(out, "src_phi "); | 
| 591 |  |  | fprintf(out, "src_theta -my "); | 
| 592 |  |  | if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) | 
| 593 |  |  | fprintf(out, "-rz -90 "); | 
| 594 |  |  | } else | 
| 595 |  |  | fprintf(out, "src_theta "); | 
| 596 |  |  | } | 
| 597 |  |  | fprintf(out, "\n0\n1 %g\n", multiplier*mult*bfactor*pfactor); | 
| 598 |  |  | if (putsource(&srcshape, out, id, filename(name), | 
| 599 |  |  | bounds[0][0]<90., bounds[0][1]>90.) != 0) | 
| 600 |  |  | return(-1); | 
| 601 |  |  | return(0); | 
| 602 |  |  | } | 
| 603 |  |  |  | 
| 604 |  |  |  | 
| 605 |  |  | putsource(shp, fp, mod, name, dolower, doupper)         /* put out source */ | 
| 606 |  |  | SHAPE   *shp; | 
| 607 |  |  | FILE    *fp; | 
| 608 |  |  | char    *mod, *name; | 
| 609 |  |  | int     dolower, doupper; | 
| 610 |  |  | { | 
| 611 |  |  | char    buf[MAXWORD]; | 
| 612 |  |  |  | 
| 613 |  |  | fprintf(fp, "\n%s %s %s_light\n", mod, | 
| 614 |  |  | illumrad>=MINDIM/2. ? "illum" : "light", | 
| 615 |  |  | name); | 
| 616 |  |  | fprintf(fp, "0\n0\n3 %g %g %g\n", | 
| 617 |  |  | lampcolor[0]/shp->area, | 
| 618 |  |  | lampcolor[1]/shp->area, | 
| 619 |  |  | lampcolor[2]/shp->area); | 
| 620 |  |  | if (doupper && dolower && shp->type != SPHERE && shp->h > MINDIM) { | 
| 621 |  |  | fprintf(fp, "\n%s glow %s_glow\n", mod, name); | 
| 622 |  |  | fprintf(fp, "0\n0\n4 %g %g %g 0\n", | 
| 623 |  |  | lampcolor[0]/shp->area, | 
| 624 |  |  | lampcolor[1]/shp->area, | 
| 625 |  |  | lampcolor[2]/shp->area); | 
| 626 |  |  | } | 
| 627 |  |  | switch (shp->type) { | 
| 628 |  |  | case RECT: | 
| 629 |  |  | strcat(strcpy(buf, name), "_light"); | 
| 630 |  |  | if (dolower) | 
| 631 |  |  | putrectsrc(shp, fp, buf, name, 0); | 
| 632 |  |  | if (doupper) | 
| 633 |  |  | putrectsrc(shp, fp, buf, name, 1); | 
| 634 |  |  | if (doupper && dolower && shp->h > MINDIM) { | 
| 635 |  |  | strcat(strcpy(buf, name), "_glow"); | 
| 636 |  |  | putsides(shp, fp, buf, name); | 
| 637 |  |  | } | 
| 638 |  |  | break; | 
| 639 |  |  | case DISK: | 
| 640 |  |  | strcat(strcpy(buf, name), "_light"); | 
| 641 |  |  | if (dolower) | 
| 642 |  |  | putdisksrc(shp, fp, buf, name, 0); | 
| 643 |  |  | if (doupper) | 
| 644 |  |  | putdisksrc(shp, fp, buf, name, 1); | 
| 645 |  |  | if (doupper && dolower && shp->h > MINDIM) { | 
| 646 |  |  | strcat(strcpy(buf, name), "_glow"); | 
| 647 |  |  | putcyl(shp, fp, buf, name); | 
| 648 |  |  | } | 
| 649 |  |  | break; | 
| 650 |  |  | case SPHERE: | 
| 651 |  |  | strcat(strcpy(buf, name), "_light"); | 
| 652 |  |  | putspheresrc(shp, fp, buf, name); | 
| 653 |  |  | break; | 
| 654 |  |  | } | 
| 655 |  |  | return(0); | 
| 656 |  |  | } | 
| 657 |  |  |  | 
| 658 |  |  |  | 
| 659 |  |  | makeshape(shp, width, length, height)           /* make source shape */ | 
| 660 |  |  | register SHAPE  *shp; | 
| 661 |  |  | double  width, length, height; | 
| 662 |  |  | { | 
| 663 |  |  | if (illumrad >= MINDIM/2.) { | 
| 664 |  |  | shp->type = SPHERE; | 
| 665 |  |  | shp->w = shp->l = shp->h = 2.*illumrad; | 
| 666 |  |  | } else if (width < MINDIM) { | 
| 667 |  |  | width = -width; | 
| 668 |  |  | if (width < MINDIM) { | 
| 669 |  |  | shp->type = SPHERE; | 
| 670 |  |  | shp->w = shp->l = shp->h = MINDIM; | 
| 671 |  |  | } else if (height < .5*width) { | 
| 672 |  |  | shp->type = DISK; | 
| 673 |  |  | shp->w = shp->l = width; | 
| 674 |  |  | if (height >= MINDIM) | 
| 675 |  |  | shp->h = height; | 
| 676 |  |  | else | 
| 677 |  |  | shp->h = .5*MINDIM; | 
| 678 |  |  | } else { | 
| 679 |  |  | shp->type = SPHERE; | 
| 680 |  |  | shp->w = shp->l = shp->h = width; | 
| 681 |  |  | } | 
| 682 |  |  | } else { | 
| 683 |  |  | shp->type = RECT; | 
| 684 |  |  | shp->w = width; | 
| 685 |  |  | if (length >= MINDIM) | 
| 686 |  |  | shp->l = length; | 
| 687 |  |  | else | 
| 688 |  |  | shp->l = MINDIM; | 
| 689 |  |  | if (height >= MINDIM) | 
| 690 |  |  | shp->h = height; | 
| 691 |  |  | else | 
| 692 |  |  | shp->h = .5*MINDIM; | 
| 693 |  |  | } | 
| 694 |  |  | switch (shp->type) { | 
| 695 |  |  | case RECT: | 
| 696 |  |  | shp->area = shp->w * shp->l; | 
| 697 |  |  | break; | 
| 698 |  |  | case DISK: | 
| 699 | greg | 1.3 | case SPHERE: | 
| 700 | greg | 1.1 | shp->area = PI/4. * shp->w * shp->w; | 
| 701 |  |  | break; | 
| 702 |  |  | } | 
| 703 |  |  | return(0); | 
| 704 |  |  | } | 
| 705 |  |  |  | 
| 706 |  |  |  | 
| 707 |  |  | putrectsrc(shp, fp, mod, name, up)              /* rectangular source */ | 
| 708 |  |  | SHAPE   *shp; | 
| 709 |  |  | FILE    *fp; | 
| 710 |  |  | char    *mod, *name; | 
| 711 |  |  | int     up; | 
| 712 |  |  | { | 
| 713 |  |  | if (up) | 
| 714 |  |  | putrect(shp, fp, mod, name, ".u", 4, 5, 7, 6); | 
| 715 |  |  | else | 
| 716 |  |  | putrect(shp, fp, mod, name, ".d", 0, 2, 3, 1); | 
| 717 |  |  | } | 
| 718 |  |  |  | 
| 719 |  |  |  | 
| 720 |  |  | putsides(shp, fp, mod, name)                    /* put out sides of box */ | 
| 721 |  |  | register SHAPE  *shp; | 
| 722 |  |  | FILE    *fp; | 
| 723 |  |  | char    *mod, *name; | 
| 724 |  |  | { | 
| 725 |  |  | putrect(shp, fp, mod, name, ".1", 0, 1, 5, 4); | 
| 726 |  |  | putrect(shp, fp, mod, name, ".2", 1, 3, 7, 5); | 
| 727 |  |  | putrect(shp, fp, mod, name, ".3", 3, 2, 6, 7); | 
| 728 |  |  | putrect(shp, fp, mod, name, ".4", 2, 0, 4, 6); | 
| 729 |  |  | } | 
| 730 |  |  |  | 
| 731 |  |  |  | 
| 732 |  |  | putrect(shp, fp, mod, name, suffix, a, b, c, d) /* put out a rectangle */ | 
| 733 |  |  | SHAPE   *shp; | 
| 734 |  |  | FILE    *fp; | 
| 735 |  |  | char    *mod, *name, *suffix; | 
| 736 |  |  | int     a, b, c, d; | 
| 737 |  |  | { | 
| 738 |  |  | fprintf(fp, "\n%s polygon %s%s\n0\n0\n12\n", mod, name, suffix); | 
| 739 |  |  | putpoint(shp, fp, a); | 
| 740 |  |  | putpoint(shp, fp, b); | 
| 741 |  |  | putpoint(shp, fp, c); | 
| 742 |  |  | putpoint(shp, fp, d); | 
| 743 |  |  | } | 
| 744 |  |  |  | 
| 745 |  |  |  | 
| 746 |  |  | putpoint(shp, fp, p)                            /* put out a point */ | 
| 747 |  |  | register SHAPE  *shp; | 
| 748 |  |  | FILE    *fp; | 
| 749 |  |  | int     p; | 
| 750 |  |  | { | 
| 751 |  |  | static double   mult[2] = {-.5, .5}; | 
| 752 |  |  |  | 
| 753 |  |  | fprintf(fp, "\t%g\t%g\t%g\n", | 
| 754 |  |  | mult[p&1]*shp->l*meters2out, | 
| 755 |  |  | mult[p>>1&1]*shp->w*meters2out, | 
| 756 |  |  | mult[p>>2]*shp->h*meters2out); | 
| 757 |  |  | } | 
| 758 |  |  |  | 
| 759 |  |  |  | 
| 760 |  |  | putdisksrc(shp, fp, mod, name, up)              /* put out a disk source */ | 
| 761 |  |  | register SHAPE  *shp; | 
| 762 |  |  | FILE    *fp; | 
| 763 |  |  | char    *mod, *name; | 
| 764 |  |  | int     up; | 
| 765 |  |  | { | 
| 766 |  |  | if (up) { | 
| 767 |  |  | fprintf(fp, "\n%s ring %s.u\n", mod, name); | 
| 768 |  |  | fprintf(fp, "0\n0\n8\n"); | 
| 769 |  |  | fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); | 
| 770 |  |  | fprintf(fp, "\t0 0 1\n"); | 
| 771 |  |  | fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); | 
| 772 |  |  | } else { | 
| 773 |  |  | fprintf(fp, "\n%s ring %s.d\n", mod, name); | 
| 774 |  |  | fprintf(fp, "0\n0\n8\n"); | 
| 775 |  |  | fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); | 
| 776 |  |  | fprintf(fp, "\t0 0 -1\n"); | 
| 777 |  |  | fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); | 
| 778 |  |  | } | 
| 779 |  |  | } | 
| 780 |  |  |  | 
| 781 |  |  |  | 
| 782 |  |  | putcyl(shp, fp, mod, name)                      /* put out a cylinder */ | 
| 783 |  |  | register SHAPE  *shp; | 
| 784 |  |  | FILE    *fp; | 
| 785 |  |  | char    *mod, *name; | 
| 786 |  |  | { | 
| 787 |  |  | fprintf(fp, "\n%s cylinder %s.c\n", mod, name); | 
| 788 |  |  | fprintf(fp, "0\n0\n7\n"); | 
| 789 |  |  | fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); | 
| 790 |  |  | fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); | 
| 791 |  |  | fprintf(fp, "\t%g\n", .5*shp->w*meters2out); | 
| 792 |  |  | } | 
| 793 |  |  |  | 
| 794 |  |  |  | 
| 795 |  |  | putspheresrc(shp, fp, mod, name)                /* put out a sphere source */ | 
| 796 |  |  | SHAPE   *shp; | 
| 797 |  |  | FILE    *fp; | 
| 798 |  |  | char    *mod, *name; | 
| 799 |  |  | { | 
| 800 |  |  | fprintf(fp, "\n%s sphere %s.s\n", mod, name); | 
| 801 |  |  | fprintf(fp, "0\n0\n4 0 0 0 %g\n", .5*shp->w*meters2out); | 
| 802 |  |  | } | 
| 803 |  |  |  | 
| 804 |  |  |  | 
| 805 |  |  | cvdata(in, out, ndim, npts, mult, lim)          /* convert data */ | 
| 806 |  |  | FILE    *in, *out; | 
| 807 |  |  | int     ndim, npts[]; | 
| 808 |  |  | double  mult, lim[][2]; | 
| 809 |  |  | { | 
| 810 |  |  | register double *pt[4]; | 
| 811 |  |  | register int    i, j; | 
| 812 |  |  | double  val; | 
| 813 |  |  | int     total; | 
| 814 |  |  |  | 
| 815 |  |  | total = 1; j = 0; | 
| 816 |  |  | for (i = 0; i < ndim; i++) | 
| 817 |  |  | if (npts[i] > 1) { | 
| 818 |  |  | total *= npts[i]; | 
| 819 |  |  | j++; | 
| 820 |  |  | } | 
| 821 |  |  | fprintf(out, "%d\n", j); | 
| 822 |  |  | /* get coordinates */ | 
| 823 |  |  | for (i = 0; i < ndim; i++) { | 
| 824 |  |  | pt[i] = (double *)malloc(npts[i]*sizeof(double)); | 
| 825 |  |  | for (j = 0; j < npts[i]; j++) | 
| 826 |  |  | fscanf(in, "%lf", &pt[i][j]); | 
| 827 |  |  | if (lim != NULL) { | 
| 828 |  |  | lim[i][0] = pt[i][0]; | 
| 829 |  |  | lim[i][1] = pt[i][npts[i]-1]; | 
| 830 |  |  | } | 
| 831 |  |  | } | 
| 832 |  |  | /* write out in reverse */ | 
| 833 |  |  | for (i = ndim-1; i >= 0; i--) { | 
| 834 |  |  | if (npts[i] > 1) { | 
| 835 |  |  | for (j = 1; j < npts[i]-1; j++) | 
| 836 |  |  | if (!FEQ(pt[i][j]-pt[i][j-1], | 
| 837 |  |  | pt[i][j+1]-pt[i][j])) | 
| 838 |  |  | break; | 
| 839 |  |  | if (j == npts[i]-1) | 
| 840 |  |  | fprintf(out, "%g %g %d\n", pt[i][0], pt[i][j], | 
| 841 |  |  | npts[i]); | 
| 842 |  |  | else { | 
| 843 |  |  | fprintf(out, "0 0 %d", npts[i]); | 
| 844 |  |  | for (j = 0; j < npts[i]; j++) { | 
| 845 |  |  | if (j%4 == 0) | 
| 846 |  |  | putc('\n', out); | 
| 847 |  |  | fprintf(out, "\t%g", pt[i][j]); | 
| 848 |  |  | } | 
| 849 |  |  | putc('\n', out); | 
| 850 |  |  | } | 
| 851 |  |  | } | 
| 852 |  |  | free((char *)pt[i]); | 
| 853 |  |  | } | 
| 854 |  |  | for (i = 0; i < total; i++) { | 
| 855 |  |  | if (i%4 == 0) | 
| 856 |  |  | putc('\n', out); | 
| 857 |  |  | if (fscanf(in, "%lf", &val) != 1) | 
| 858 |  |  | return(-1); | 
| 859 |  |  | fprintf(out, "\t%g", val*mult); | 
| 860 |  |  | } | 
| 861 |  |  | putc('\n', out); | 
| 862 |  |  | return(0); | 
| 863 |  |  | } |