| 1 | greg | 2.1 | #ifndef lint | 
| 2 | greg | 2.14 | static const char       RCSid[] = "$Id: rxtmain.cpp,v 2.13 2025/04/22 17:12:25 greg Exp $"; | 
| 3 | greg | 2.1 | #endif | 
| 4 |  |  | /* | 
| 5 | greg | 2.7 | *  rxtmain.cpp - main for per-ray calculation program | 
| 6 | greg | 2.1 | */ | 
| 7 |  |  |  | 
| 8 |  |  | #include "copyright.h" | 
| 9 |  |  |  | 
| 10 |  |  | #include  <signal.h> | 
| 11 |  |  |  | 
| 12 |  |  | #include  "rtprocess.h" /* getpid() */ | 
| 13 |  |  | #include  "platform.h" | 
| 14 |  |  | #include  "RtraceSimulManager.h" | 
| 15 | greg | 2.13 | #include  "func.h" | 
| 16 | greg | 2.1 |  | 
| 17 |  |  | static const char  *sigerr[NSIG];       /* signal error messages */ | 
| 18 |  |  | char  *errfile = NULL;                  /* error output file */ | 
| 19 |  |  |  | 
| 20 |  |  | extern const char  *formstr(int f);     /* string from format */ | 
| 21 |  |  | extern int  setrtoutput(const char *outvals);   /* set output values */ | 
| 22 |  |  |  | 
| 23 |  |  | int  inform = 'a';                      /* input format */ | 
| 24 |  |  | int  outform = 'a';                     /* output format */ | 
| 25 |  |  |  | 
| 26 |  |  | int  hresolu = 0;                       /* horizontal (scan) size */ | 
| 27 |  |  | int  vresolu = 0;                       /* vertical resolution */ | 
| 28 |  |  |  | 
| 29 |  |  | RtraceSimulManager      myRTmanager;    // global simulation manager | 
| 30 |  |  |  | 
| 31 |  |  | static const char  *outvals = "v";      /* output specification */ | 
| 32 |  |  | static  int  nproc = 1;                 /* number of requested threads */ | 
| 33 |  |  | static int  doheader = 1;               /* include information header? */ | 
| 34 |  |  |  | 
| 35 |  |  | #ifndef MAXMODLIST | 
| 36 |  |  | #define MAXMODLIST      1024            /* maximum modifiers we'll track */ | 
| 37 |  |  | #endif | 
| 38 |  |  |  | 
| 39 |  |  | extern void  (*addobjnotify[])(OBJECT); /* object notification calls */ | 
| 40 |  |  | extern void  tranotify(OBJECT obj); | 
| 41 |  |  |  | 
| 42 |  |  | char  *tralist[MAXMODLIST];             /* list of modifers to trace (or no) */ | 
| 43 |  |  | int  traincl = -1;                      /* include == 1, exclude == 0 */ | 
| 44 |  |  |  | 
| 45 | greg | 2.7 | double  (*sens_curve)(const SCOLOR scol) = NULL;        /* spectral conversion for 1-channel */ | 
| 46 | greg | 2.3 | double  out_scalefactor = 1;            /* output calibration scale factor */ | 
| 47 |  |  | RGBPRIMP  out_prims = stdprims;         /* output color primitives (NULL if spectral) */ | 
| 48 |  |  | static RGBPRIMS  our_prims;             /* private output color primitives */ | 
| 49 |  |  |  | 
| 50 | greg | 2.1 | static void onsig(int  signo); | 
| 51 |  |  | static void sigdie(int  signo, const char  *msg); | 
| 52 |  |  | static void printdefaults(void); | 
| 53 |  |  |  | 
| 54 | greg | 2.10 | #define RXTRACE_FEATURES        "IrradianceCalc\nMultiprocessing\nDistanceLimiting\n" \ | 
| 55 | greg | 2.3 | "HessianAmbientCache\nAmbientAveraging\n" \ | 
| 56 |  |  | "AmbientValueSharing\nAdaptiveShadowTesting\n" \ | 
| 57 |  |  | "Outputs=o,d,v,V,w,W,l,L,c,p,n,N,s,m,M,r,x,R,X,~\n" \ | 
| 58 |  |  | "OutputCS=RGB,XYZ,Y,S,M,prims,spec\n" | 
| 59 | greg | 2.1 |  | 
| 60 |  |  | int | 
| 61 |  |  | main(int  argc, char  *argv[]) | 
| 62 |  |  | { | 
| 63 |  |  | #define  check(ol,al)           if (argv[i][ol] || \ | 
| 64 |  |  | badarg(argc-i-1,argv+i+1,al)) \ | 
| 65 |  |  | goto badopt | 
| 66 |  |  | #define  check_bool(olen,var)           switch (argv[i][olen]) { \ | 
| 67 |  |  | case '\0': var = !var; break; \ | 
| 68 |  |  | case 'y': case 'Y': case 't': case 'T': \ | 
| 69 |  |  | case '+': case '1': var = 1; break; \ | 
| 70 |  |  | case 'n': case 'N': case 'f': case 'F': \ | 
| 71 |  |  | case '-': case '0': var = 0; break; \ | 
| 72 |  |  | default: goto badopt; } | 
| 73 |  |  | char  **tralp = NULL; | 
| 74 |  |  | int  rval; | 
| 75 |  |  | int  i; | 
| 76 |  |  | /* global program name */ | 
| 77 | greg | 2.3 | progname = argv[0]; | 
| 78 | greg | 2.1 | /* feature check only? */ | 
| 79 | greg | 2.3 | strcat(RFeatureList, RXTRACE_FEATURES); | 
| 80 | greg | 2.1 | if (argc > 1 && !strcmp(argv[1], "-features")) | 
| 81 |  |  | return feature_status(argc-2, argv+2); | 
| 82 | greg | 2.13 | /* initialize calcomp routines */ | 
| 83 |  |  | initfunc(); | 
| 84 | greg | 2.1 | /* add trace notify function */ | 
| 85 |  |  | for (i = 0; addobjnotify[i] != NULL; i++) | 
| 86 |  |  | ; | 
| 87 |  |  | addobjnotify[i] = tranotify; | 
| 88 |  |  | /* option city */ | 
| 89 |  |  | for (i = 1; i < argc; i++) { | 
| 90 |  |  | /* expand arguments */ | 
| 91 |  |  | while ((rval = expandarg(&argc, &argv, i)) > 0) | 
| 92 |  |  | ; | 
| 93 |  |  | if (rval < 0) { | 
| 94 |  |  | sprintf(errmsg, "cannot expand '%s'", argv[i]); | 
| 95 |  |  | error(SYSTEM, errmsg); | 
| 96 |  |  | } | 
| 97 |  |  | if (argv[i] == NULL || argv[i][0] != '-') | 
| 98 |  |  | break;                  /* break from options */ | 
| 99 |  |  | if (!strcmp(argv[i], "-version")) { | 
| 100 |  |  | puts(VersionID); | 
| 101 |  |  | quit(0); | 
| 102 |  |  | } | 
| 103 |  |  | if (!strcmp(argv[i], "-defaults") || | 
| 104 |  |  | !strcmp(argv[i], "-help")) { | 
| 105 |  |  | printdefaults(); | 
| 106 |  |  | quit(0); | 
| 107 |  |  | } | 
| 108 |  |  | rval = getrenderopt(argc-i, argv+i); | 
| 109 |  |  | if (rval >= 0) { | 
| 110 |  |  | i += rval; | 
| 111 |  |  | continue; | 
| 112 |  |  | } | 
| 113 |  |  | switch (argv[i][1]) { | 
| 114 |  |  | case 'n':                               /* number of cores */ | 
| 115 |  |  | check(2,"i"); | 
| 116 |  |  | nproc = atoi(argv[++i]); | 
| 117 |  |  | break; | 
| 118 |  |  | case 'x':                               /* x resolution */ | 
| 119 |  |  | check(2,"i"); | 
| 120 |  |  | hresolu = atoi(argv[++i]); | 
| 121 |  |  | break; | 
| 122 |  |  | case 'y':                               /* y resolution */ | 
| 123 |  |  | check(2,"i"); | 
| 124 |  |  | vresolu = atoi(argv[++i]); | 
| 125 |  |  | break; | 
| 126 |  |  | case 'w':                               /* warnings */ | 
| 127 |  |  | rval = erract[WARNING].pf != NULL; | 
| 128 |  |  | check_bool(2,rval); | 
| 129 |  |  | if (rval) erract[WARNING].pf = wputs; | 
| 130 |  |  | else erract[WARNING].pf = NULL; | 
| 131 |  |  | break; | 
| 132 |  |  | case 'e':                               /* error file */ | 
| 133 |  |  | check(2,"s"); | 
| 134 |  |  | errfile = argv[++i]; | 
| 135 |  |  | break; | 
| 136 |  |  | case 'l':                               /* limit distance */ | 
| 137 |  |  | if (argv[i][2] != 'd') | 
| 138 |  |  | goto badopt; | 
| 139 |  |  | rval = myRTmanager.rtFlags & RTlimDist; | 
| 140 |  |  | check_bool(3,rval); | 
| 141 |  |  | if (rval) myRTmanager.rtFlags |= RTlimDist; | 
| 142 |  |  | else myRTmanager.rtFlags &= ~RTlimDist; | 
| 143 |  |  | break; | 
| 144 |  |  | case 'I':                               /* immed. irradiance */ | 
| 145 |  |  | rval = myRTmanager.rtFlags & RTimmIrrad; | 
| 146 | greg | 2.11 | check_bool(2,rval); | 
| 147 | greg | 2.1 | if (rval) myRTmanager.rtFlags |= RTimmIrrad; | 
| 148 |  |  | else myRTmanager.rtFlags &= ~RTimmIrrad; | 
| 149 |  |  | break; | 
| 150 |  |  | case 'f':                               /* format i/o */ | 
| 151 |  |  | switch (argv[i][2]) { | 
| 152 |  |  | case 'a':                               /* ascii */ | 
| 153 |  |  | case 'f':                               /* float */ | 
| 154 |  |  | case 'd':                               /* double */ | 
| 155 |  |  | inform = argv[i][2]; | 
| 156 |  |  | break; | 
| 157 |  |  | default: | 
| 158 |  |  | goto badopt; | 
| 159 |  |  | } | 
| 160 |  |  | switch (argv[i][3]) { | 
| 161 |  |  | case '\0': | 
| 162 |  |  | outform = inform; | 
| 163 |  |  | break; | 
| 164 |  |  | case 'a':                               /* ascii */ | 
| 165 |  |  | case 'f':                               /* float */ | 
| 166 |  |  | case 'd':                               /* double */ | 
| 167 |  |  | case 'c':                               /* color */ | 
| 168 |  |  | check(4,""); | 
| 169 |  |  | outform = argv[i][3]; | 
| 170 |  |  | break; | 
| 171 |  |  | default: | 
| 172 |  |  | goto badopt; | 
| 173 |  |  | } | 
| 174 |  |  | break; | 
| 175 |  |  | case 'o':                               /* output */ | 
| 176 |  |  | outvals = argv[i]+2; | 
| 177 |  |  | break; | 
| 178 |  |  | case 'h':                               /* header output */ | 
| 179 |  |  | check_bool(2,doheader); | 
| 180 |  |  | break; | 
| 181 |  |  | case 't':                               /* trace */ | 
| 182 |  |  | switch (argv[i][2]) { | 
| 183 |  |  | case 'i':                               /* include */ | 
| 184 |  |  | case 'I': | 
| 185 |  |  | check(3,"s"); | 
| 186 |  |  | if (traincl != 1) { | 
| 187 |  |  | traincl = 1; | 
| 188 |  |  | tralp = tralist; | 
| 189 |  |  | } | 
| 190 |  |  | if (argv[i][2] == 'I') {        /* file */ | 
| 191 |  |  | rval = wordfile(tralp, MAXMODLIST-(tralp-tralist), | 
| 192 |  |  | getpath(argv[++i],getrlibpath(),R_OK)); | 
| 193 |  |  | if (rval < 0) { | 
| 194 |  |  | sprintf(errmsg, | 
| 195 |  |  | "cannot open trace include file \"%s\"", | 
| 196 |  |  | argv[i]); | 
| 197 |  |  | error(SYSTEM, errmsg); | 
| 198 |  |  | } | 
| 199 |  |  | tralp += rval; | 
| 200 |  |  | } else { | 
| 201 |  |  | *tralp++ = argv[++i]; | 
| 202 |  |  | *tralp = NULL; | 
| 203 |  |  | } | 
| 204 |  |  | break; | 
| 205 |  |  | case 'e':                               /* exclude */ | 
| 206 |  |  | case 'E': | 
| 207 |  |  | check(3,"s"); | 
| 208 |  |  | if (traincl != 0) { | 
| 209 |  |  | traincl = 0; | 
| 210 |  |  | tralp = tralist; | 
| 211 |  |  | } | 
| 212 |  |  | if (argv[i][2] == 'E') {        /* file */ | 
| 213 |  |  | rval = wordfile(tralp, MAXMODLIST-(tralp-tralist), | 
| 214 |  |  | getpath(argv[++i],getrlibpath(),R_OK)); | 
| 215 |  |  | if (rval < 0) { | 
| 216 |  |  | sprintf(errmsg, | 
| 217 |  |  | "cannot open trace exclude file \"%s\"", | 
| 218 |  |  | argv[i]); | 
| 219 |  |  | error(SYSTEM, errmsg); | 
| 220 |  |  | } | 
| 221 |  |  | tralp += rval; | 
| 222 |  |  | } else { | 
| 223 |  |  | *tralp++ = argv[++i]; | 
| 224 |  |  | *tralp = NULL; | 
| 225 |  |  | } | 
| 226 |  |  | break; | 
| 227 |  |  | default: | 
| 228 |  |  | goto badopt; | 
| 229 |  |  | } | 
| 230 |  |  | break; | 
| 231 | greg | 2.3 | case 'p':                               /* value output */ | 
| 232 |  |  | switch (argv[i][2]) { | 
| 233 |  |  | case 'R':                       /* standard RGB output */ | 
| 234 |  |  | if (strcmp(argv[i]+2, "RGB")) | 
| 235 |  |  | goto badopt; | 
| 236 |  |  | out_prims = stdprims; | 
| 237 |  |  | out_scalefactor = 1; | 
| 238 |  |  | sens_curve = NULL; | 
| 239 |  |  | break; | 
| 240 |  |  | case 'X':                       /* XYZ output */ | 
| 241 |  |  | if (strcmp(argv[i]+2, "XYZ")) | 
| 242 |  |  | goto badopt; | 
| 243 |  |  | out_prims = xyzprims; | 
| 244 |  |  | out_scalefactor = WHTEFFICACY; | 
| 245 |  |  | sens_curve = NULL; | 
| 246 |  |  | break; | 
| 247 |  |  | case 'c': { | 
| 248 |  |  | int     j; | 
| 249 |  |  | check(3,"ffffffff"); | 
| 250 |  |  | rval = 0; | 
| 251 |  |  | for (j = 0; j < 8; j++) { | 
| 252 |  |  | our_prims[0][j] = atof(argv[++i]); | 
| 253 |  |  | rval |= fabs(our_prims[0][j]-stdprims[0][j]) > .001; | 
| 254 |  |  | } | 
| 255 |  |  | if (rval) { | 
| 256 |  |  | if (!colorprimsOK(our_prims)) | 
| 257 |  |  | error(USER, "illegal primary chromaticities"); | 
| 258 |  |  | out_prims = our_prims; | 
| 259 |  |  | } else | 
| 260 |  |  | out_prims = stdprims; | 
| 261 |  |  | out_scalefactor = 1; | 
| 262 |  |  | sens_curve = NULL; | 
| 263 |  |  | } break; | 
| 264 |  |  | case 'Y':                       /* photopic response */ | 
| 265 |  |  | if (argv[i][3]) | 
| 266 |  |  | goto badopt; | 
| 267 |  |  | sens_curve = scolor_photopic; | 
| 268 |  |  | out_scalefactor = WHTEFFICACY; | 
| 269 |  |  | break; | 
| 270 |  |  | case 'S':                       /* scotopic response */ | 
| 271 |  |  | if (argv[i][3]) | 
| 272 |  |  | goto badopt; | 
| 273 |  |  | sens_curve = scolor_scotopic; | 
| 274 |  |  | out_scalefactor = WHTSCOTOPIC; | 
| 275 |  |  | break; | 
| 276 |  |  | case 'M':                       /* melanopic response */ | 
| 277 |  |  | if (argv[i][3]) | 
| 278 |  |  | goto badopt; | 
| 279 |  |  | sens_curve = scolor_melanopic; | 
| 280 |  |  | out_scalefactor = WHTMELANOPIC; | 
| 281 |  |  | break; | 
| 282 |  |  | default: | 
| 283 |  |  | goto badopt; | 
| 284 |  |  | } | 
| 285 |  |  | break; | 
| 286 |  |  | #if MAXCSAMP>3 | 
| 287 |  |  | case 'c':                               /* output spectral results */ | 
| 288 |  |  | if (argv[i][2] != 'o') | 
| 289 |  |  | goto badopt; | 
| 290 |  |  | rval = (out_prims == NULL) & (sens_curve == NULL); | 
| 291 |  |  | check_bool(3,rval); | 
| 292 |  |  | if (rval) { | 
| 293 |  |  | out_prims = NULL; | 
| 294 |  |  | sens_curve = NULL; | 
| 295 |  |  | } else if (out_prims == NULL) | 
| 296 |  |  | out_prims = stdprims; | 
| 297 |  |  | break; | 
| 298 |  |  | #endif | 
| 299 | greg | 2.1 | default: | 
| 300 |  |  | goto badopt; | 
| 301 |  |  | } | 
| 302 |  |  | } | 
| 303 | greg | 2.4 | /* set/check spectral sampling */ | 
| 304 |  |  | rval = setspectrsamp(CNDX, WLPART); | 
| 305 |  |  | if (rval < 0) | 
| 306 |  |  | error(USER, "unsupported spectral sampling"); | 
| 307 | greg | 2.12 | if (sens_curve != NULL) | 
| 308 |  |  | out_prims = NULL; | 
| 309 |  |  | else if (out_prims != NULL) { | 
| 310 | greg | 2.4 | if (!rval) | 
| 311 |  |  | error(WARNING, "spectral range incompatible with color output"); | 
| 312 |  |  | } else if (NCSAMP == 3) | 
| 313 |  |  | out_prims = stdprims;   /* 3 samples do not a spectrum make */ | 
| 314 | greg | 2.1 | /* set up signal handling */ | 
| 315 |  |  | sigdie(SIGINT, "Interrupt"); | 
| 316 |  |  | #ifdef SIGHUP | 
| 317 |  |  | sigdie(SIGHUP, "Hangup"); | 
| 318 |  |  | #endif | 
| 319 |  |  | sigdie(SIGTERM, "Terminate"); | 
| 320 |  |  | #ifdef SIGPIPE | 
| 321 |  |  | sigdie(SIGPIPE, "Broken pipe"); | 
| 322 |  |  | #endif | 
| 323 |  |  | #ifdef SIGALRM | 
| 324 |  |  | sigdie(SIGALRM, "Alarm clock"); | 
| 325 |  |  | #endif | 
| 326 |  |  | #ifdef  SIGXCPU | 
| 327 |  |  | sigdie(SIGXCPU, "CPU limit exceeded"); | 
| 328 |  |  | sigdie(SIGXFSZ, "File size exceeded"); | 
| 329 |  |  | #endif | 
| 330 |  |  | /* open error file */ | 
| 331 |  |  | if (errfile != NULL) { | 
| 332 |  |  | if (freopen(errfile, "a", stderr) == NULL) | 
| 333 |  |  | quit(2); | 
| 334 |  |  | fprintf(stderr, "**************\n*** PID %5d: ", | 
| 335 |  |  | getpid()); | 
| 336 |  |  | printargs(argc, argv, stderr); | 
| 337 |  |  | putc('\n', stderr); | 
| 338 |  |  | fflush(stderr); | 
| 339 |  |  | } | 
| 340 |  |  | #ifdef  NICE | 
| 341 |  |  | nice(NICE);                     /* lower priority */ | 
| 342 |  |  | #endif | 
| 343 |  |  | /* get octree name */ | 
| 344 |  |  | if (i == argc) | 
| 345 |  |  | error(USER, "missing octree argument"); | 
| 346 |  |  | if (i != argc-1) | 
| 347 |  |  | goto badopt; | 
| 348 |  |  | /* set output options */ | 
| 349 |  |  | rval = setrtoutput(outvals); | 
| 350 |  |  | /* load octree */ | 
| 351 |  |  | if (!myRTmanager.LoadOctree(argv[i])) | 
| 352 |  |  | quit(1); | 
| 353 |  |  | /* set up output */ | 
| 354 |  |  | if (outform != 'a') | 
| 355 |  |  | SET_FILE_BINARY(stdout); | 
| 356 |  |  | if (doheader) {                 /* print header? */ | 
| 357 | greg | 2.5 | newheader("RADIANCE", stdout); | 
| 358 | greg | 2.9 | fputs(myRTmanager.GetHeadStr(), stdout); | 
| 359 | greg | 2.1 | printargs(i, argv, stdout); | 
| 360 |  |  | printf("SOFTWARE= %s\n", VersionID); | 
| 361 |  |  | fputnow(stdout); | 
| 362 |  |  | if (rval > 0)           /* saved from setrtoutput() call */ | 
| 363 | greg | 2.12 | fputncomp(rval, stdout); | 
| 364 |  |  | if (NCSAMP > 3) | 
| 365 |  |  | fputwlsplit(WLPART, stdout); | 
| 366 |  |  | if ((out_prims != stdprims) & (out_prims != NULL)) | 
| 367 |  |  | fputprims(out_prims, stdout); | 
| 368 | greg | 2.1 | if ((outform == 'f') | (outform == 'd')) | 
| 369 |  |  | fputendian(stdout); | 
| 370 |  |  | fputformat(formstr(outform), stdout); | 
| 371 | greg | 2.4 | fputc('\n', stdout);    /* end of header */ | 
| 372 | greg | 2.1 | } | 
| 373 |  |  | rtrace(NULL, nproc);            /* trace rays */ | 
| 374 |  |  | quit(0);                        /* clean up & exit */ | 
| 375 |  |  |  | 
| 376 |  |  | badopt: | 
| 377 |  |  | sprintf(errmsg, "command line error at '%s'", argv[i]); | 
| 378 |  |  | error(USER, errmsg); | 
| 379 |  |  | return 1; /* pro forma return */ | 
| 380 |  |  |  | 
| 381 |  |  | #undef  check | 
| 382 |  |  | #undef  check_bool | 
| 383 |  |  | } | 
| 384 |  |  |  | 
| 385 |  |  | void | 
| 386 |  |  | wputs(                          /* warning output function */ | 
| 387 |  |  | char    *s | 
| 388 |  |  | ) | 
| 389 |  |  | { | 
| 390 |  |  | int  lasterrno = errno; | 
| 391 |  |  | eputs(s); | 
| 392 |  |  | errno = lasterrno; | 
| 393 |  |  | } | 
| 394 |  |  |  | 
| 395 |  |  | void | 
| 396 |  |  | eputs(                          /* put string to stderr */ | 
| 397 | greg | 2.8 | const char  *s | 
| 398 | greg | 2.1 | ) | 
| 399 |  |  | { | 
| 400 |  |  | static int  midline = 0; | 
| 401 |  |  |  | 
| 402 |  |  | if (!*s) | 
| 403 |  |  | return; | 
| 404 |  |  | if (!midline++) { | 
| 405 |  |  | fputs(progname, stderr); | 
| 406 |  |  | fputs(": ", stderr); | 
| 407 |  |  | } | 
| 408 |  |  | fputs(s, stderr); | 
| 409 |  |  | if (s[strlen(s)-1] == '\n') { | 
| 410 |  |  | fflush(stderr); | 
| 411 |  |  | midline = 0; | 
| 412 |  |  | } | 
| 413 |  |  | } | 
| 414 |  |  |  | 
| 415 |  |  | static void | 
| 416 |  |  | onsig(                          /* fatal signal */ | 
| 417 |  |  | int  signo | 
| 418 |  |  | ) | 
| 419 |  |  | { | 
| 420 |  |  | static int  gotsig = 0; | 
| 421 |  |  |  | 
| 422 |  |  | if (gotsig++)                   /* two signals and we're gone! */ | 
| 423 |  |  | _exit(signo); | 
| 424 |  |  |  | 
| 425 |  |  | #ifdef SIGALRM | 
| 426 |  |  | alarm(15);                      /* allow 15 seconds to clean up */ | 
| 427 |  |  | signal(SIGALRM, SIG_DFL);       /* make certain we do die */ | 
| 428 |  |  | #endif | 
| 429 |  |  | eputs("signal - "); | 
| 430 |  |  | eputs(sigerr[signo]); | 
| 431 |  |  | eputs("\n"); | 
| 432 |  |  | quit(3); | 
| 433 |  |  | } | 
| 434 |  |  |  | 
| 435 |  |  | static void | 
| 436 |  |  | sigdie(                 /* set fatal signal */ | 
| 437 |  |  | int  signo, | 
| 438 |  |  | const char  *msg | 
| 439 |  |  | ) | 
| 440 |  |  | { | 
| 441 |  |  | if (signal(signo, onsig) == SIG_IGN) | 
| 442 |  |  | signal(signo, SIG_IGN); | 
| 443 |  |  | sigerr[signo] = msg; | 
| 444 |  |  | } | 
| 445 |  |  |  | 
| 446 |  |  | static void | 
| 447 |  |  | printdefaults(void)                     /* print default values to stdout */ | 
| 448 |  |  | { | 
| 449 |  |  | const char  *cp; | 
| 450 |  |  |  | 
| 451 |  |  | if (myRTmanager.rtFlags & RTimmIrrad) | 
| 452 |  |  | printf("-I+\t\t\t\t# immediate irradiance on\n"); | 
| 453 |  |  | printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc); | 
| 454 |  |  | printf("-x %-9d\t\t\t# %s\n", hresolu, | 
| 455 |  |  | vresolu && hresolu ? "x resolution" : "flush interval"); | 
| 456 |  |  | printf("-y %-9d\t\t\t# y resolution\n", vresolu); | 
| 457 |  |  | printf(myRTmanager.rtFlags&RTlimDist ? "-ld+\t\t\t\t# limit distance on\n" : | 
| 458 |  |  | "-ld-\t\t\t\t# limit distance off\n"); | 
| 459 |  |  | printf("-h%c\t\t\t\t# %s header\n", doheader ? '+' : '-', | 
| 460 |  |  | doheader ? "output" : "no"); | 
| 461 |  |  | printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n", | 
| 462 |  |  | inform, outform, formstr(inform), formstr(outform)); | 
| 463 |  |  | printf("-o%-9s\t\t\t# output", outvals); | 
| 464 |  |  | for (cp = outvals; *cp; cp++) | 
| 465 |  |  | switch (*cp) { | 
| 466 |  |  | case 't': case 'T': printf(" trace"); break; | 
| 467 |  |  | case 'o': printf(" origin"); break; | 
| 468 |  |  | case 'd': printf(" direction"); break; | 
| 469 |  |  | case 'r': printf(" reflect_contrib"); break; | 
| 470 |  |  | case 'R': printf(" reflect_length"); break; | 
| 471 |  |  | case 'x': printf(" unreflect_contrib"); break; | 
| 472 |  |  | case 'X': printf(" unreflect_length"); break; | 
| 473 |  |  | case 'v': printf(" value"); break; | 
| 474 |  |  | case 'V': printf(" contribution"); break; | 
| 475 |  |  | case 'l': printf(" length"); break; | 
| 476 |  |  | case 'L': printf(" first_length"); break; | 
| 477 |  |  | case 'p': printf(" point"); break; | 
| 478 |  |  | case 'n': printf(" normal"); break; | 
| 479 |  |  | case 'N': printf(" unperturbed_normal"); break; | 
| 480 |  |  | case 's': printf(" surface"); break; | 
| 481 |  |  | case 'w': printf(" weight"); break; | 
| 482 |  |  | case 'W': printf(" coefficient"); break; | 
| 483 |  |  | case 'm': printf(" modifier"); break; | 
| 484 |  |  | case 'M': printf(" material"); break; | 
| 485 |  |  | case '~': printf(" tilde"); break; | 
| 486 |  |  | } | 
| 487 |  |  | putchar('\n'); | 
| 488 | greg | 2.3 | if (sens_curve == scolor_photopic) | 
| 489 |  |  | printf("-pY\t\t\t\t# photopic output\n"); | 
| 490 |  |  | else if (sens_curve == scolor_scotopic) | 
| 491 |  |  | printf("-pS\t\t\t\t# scotopic output\n"); | 
| 492 |  |  | else if (sens_curve == scolor_melanopic) | 
| 493 |  |  | printf("-pM\t\t\t\t# melanopic output\n"); | 
| 494 |  |  | else if (out_prims == stdprims) | 
| 495 |  |  | printf("-pRGB\t\t\t\t# standard RGB color output\n"); | 
| 496 |  |  | else if (out_prims == xyzprims) | 
| 497 |  |  | printf("-pXYZ\t\t\t\t# CIE XYZ color output\n"); | 
| 498 |  |  | else if (out_prims != NULL) | 
| 499 |  |  | printf("-pc %.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f\t# output color primaries and white point\n", | 
| 500 |  |  | out_prims[RED][0], out_prims[RED][1], | 
| 501 |  |  | out_prims[GRN][0], out_prims[GRN][1], | 
| 502 |  |  | out_prims[BLU][0], out_prims[BLU][1], | 
| 503 |  |  | out_prims[WHT][0], out_prims[WHT][1]); | 
| 504 |  |  | if ((sens_curve == NULL) & (NCSAMP > 3)) | 
| 505 |  |  | printf(out_prims != NULL ? "-co-\t\t\t\t# output tristimulus colors\n" : | 
| 506 |  |  | "-co+\t\t\t\t# output spectral values\n"); | 
| 507 | greg | 2.1 | printf(erract[WARNING].pf != NULL ? | 
| 508 |  |  | "-w+\t\t\t\t# warning messages on\n" : | 
| 509 |  |  | "-w-\t\t\t\t# warning messages off\n"); | 
| 510 |  |  | print_rdefaults(); | 
| 511 |  |  | } |