| 1 |
greg |
2.1 |
#ifndef lint
|
| 2 |
greg |
2.26 |
static const char RCSid[] = "$Id: rvmain.c,v 2.25 2025/06/07 05:09:46 greg Exp $";
|
| 3 |
greg |
2.1 |
#endif
|
| 4 |
|
|
/*
|
| 5 |
|
|
* rvmain.c - main for rview interactive viewer
|
| 6 |
|
|
*/
|
| 7 |
|
|
|
| 8 |
greg |
2.2 |
#include "copyright.h"
|
| 9 |
greg |
2.1 |
|
| 10 |
schorsch |
2.3 |
#include <signal.h>
|
| 11 |
greg |
2.5 |
#include <time.h>
|
| 12 |
schorsch |
2.3 |
|
| 13 |
|
|
#include "platform.h"
|
| 14 |
greg |
2.1 |
#include "ray.h"
|
| 15 |
|
|
#include "source.h"
|
| 16 |
|
|
#include "ambient.h"
|
| 17 |
schorsch |
2.4 |
#include "rpaint.h"
|
| 18 |
greg |
2.1 |
#include "random.h"
|
| 19 |
|
|
#include "view.h"
|
| 20 |
greg |
2.12 |
#include "pmapray.h"
|
| 21 |
greg |
2.1 |
|
| 22 |
greg |
2.9 |
VIEW ourview = STDVIEW; /* viewing parameters */
|
| 23 |
|
|
int hresolu, vresolu; /* image resolution */
|
| 24 |
greg |
2.1 |
|
| 25 |
greg |
2.9 |
int psample = 8; /* pixel sample size */
|
| 26 |
|
|
double maxdiff = .15; /* max. sample difference */
|
| 27 |
|
|
|
| 28 |
|
|
int greyscale = 0; /* map colors to brightness? */
|
| 29 |
|
|
char *dvcname = dev_default; /* output device name */
|
| 30 |
|
|
|
| 31 |
|
|
double exposure = 1.0; /* exposure for scene */
|
| 32 |
greg |
2.1 |
|
| 33 |
greg |
2.9 |
int newparam = 1; /* parameter setting changed */
|
| 34 |
|
|
|
| 35 |
|
|
struct driver *dev = NULL; /* driver functions */
|
| 36 |
greg |
2.1 |
|
| 37 |
greg |
2.9 |
char rifname[128]; /* rad input file name */
|
| 38 |
greg |
2.1 |
|
| 39 |
greg |
2.9 |
VIEW oldview; /* previous view parameters */
|
| 40 |
greg |
2.1 |
|
| 41 |
greg |
2.9 |
PNODE ptrunk; /* the base of our image */
|
| 42 |
|
|
RECT pframe; /* current frame boundaries */
|
| 43 |
|
|
int pdepth; /* image depth in current frame */
|
| 44 |
greg |
2.1 |
|
| 45 |
greg |
2.9 |
char *errfile = NULL; /* error output file */
|
| 46 |
greg |
2.1 |
|
| 47 |
greg |
2.9 |
int nproc = 1; /* number of processes */
|
| 48 |
greg |
2.1 |
|
| 49 |
greg |
2.9 |
char *sigerr[NSIG]; /* signal error messages */
|
| 50 |
greg |
2.1 |
|
| 51 |
schorsch |
2.4 |
static void onsig(int signo);
|
| 52 |
|
|
static void sigdie(int signo, char *msg);
|
| 53 |
|
|
static void printdefaults(void);
|
| 54 |
greg |
2.1 |
|
| 55 |
greg |
2.23 |
static void
|
| 56 |
|
|
set_defaults(void)
|
| 57 |
|
|
{
|
| 58 |
|
|
shadthresh = .1;
|
| 59 |
|
|
shadcert = .25;
|
| 60 |
|
|
directrelay = 0;
|
| 61 |
|
|
vspretest = 128;
|
| 62 |
|
|
srcsizerat = 0.;
|
| 63 |
|
|
specthresh = .3;
|
| 64 |
|
|
specjitter = 1.;
|
| 65 |
|
|
maxdepth = 6;
|
| 66 |
|
|
minweight = 1e-3;
|
| 67 |
|
|
ambacc = 0.3;
|
| 68 |
|
|
ambres = 32;
|
| 69 |
|
|
ambdiv = 256;
|
| 70 |
|
|
ambssamp = 64;
|
| 71 |
|
|
}
|
| 72 |
|
|
|
| 73 |
greg |
2.17 |
int
|
| 74 |
greg |
2.9 |
main(int argc, char *argv[])
|
| 75 |
greg |
2.1 |
{
|
| 76 |
|
|
#define check(ol,al) if (argv[i][ol] || \
|
| 77 |
|
|
badarg(argc-i-1,argv+i+1,al)) \
|
| 78 |
|
|
goto badopt
|
| 79 |
schorsch |
2.15 |
#define check_bool(olen,var) switch (argv[i][olen]) { \
|
| 80 |
greg |
2.1 |
case '\0': var = !var; break; \
|
| 81 |
|
|
case 'y': case 'Y': case 't': case 'T': \
|
| 82 |
|
|
case '+': case '1': var = 1; break; \
|
| 83 |
|
|
case 'n': case 'N': case 'f': case 'F': \
|
| 84 |
|
|
case '-': case '0': var = 0; break; \
|
| 85 |
|
|
default: goto badopt; }
|
| 86 |
greg |
2.9 |
char *octnm = NULL;
|
| 87 |
greg |
2.1 |
char *err;
|
| 88 |
|
|
int rval;
|
| 89 |
|
|
int i;
|
| 90 |
|
|
/* global program name */
|
| 91 |
|
|
progname = argv[0] = fixargv0(argv[0]);
|
| 92 |
greg |
2.9 |
/* set our defaults */
|
| 93 |
greg |
2.23 |
set_defaults();
|
| 94 |
greg |
2.1 |
/* option city */
|
| 95 |
|
|
for (i = 1; i < argc; i++) {
|
| 96 |
|
|
/* expand arguments */
|
| 97 |
|
|
while ((rval = expandarg(&argc, &argv, i)) > 0)
|
| 98 |
|
|
;
|
| 99 |
|
|
if (rval < 0) {
|
| 100 |
|
|
sprintf(errmsg, "cannot expand '%s'", argv[i]);
|
| 101 |
|
|
error(SYSTEM, errmsg);
|
| 102 |
|
|
}
|
| 103 |
|
|
if (argv[i] == NULL || argv[i][0] != '-')
|
| 104 |
|
|
break; /* break from options */
|
| 105 |
|
|
if (!strcmp(argv[i], "-version")) {
|
| 106 |
|
|
puts(VersionID);
|
| 107 |
|
|
quit(0);
|
| 108 |
|
|
}
|
| 109 |
|
|
if (!strcmp(argv[i], "-defaults") ||
|
| 110 |
|
|
!strcmp(argv[i], "-help")) {
|
| 111 |
|
|
printdefaults();
|
| 112 |
|
|
quit(0);
|
| 113 |
|
|
}
|
| 114 |
|
|
if (!strcmp(argv[i], "-devices")) {
|
| 115 |
|
|
printdevices();
|
| 116 |
|
|
quit(0);
|
| 117 |
|
|
}
|
| 118 |
|
|
rval = getrenderopt(argc-i, argv+i);
|
| 119 |
|
|
if (rval >= 0) {
|
| 120 |
|
|
i += rval;
|
| 121 |
|
|
continue;
|
| 122 |
|
|
}
|
| 123 |
|
|
rval = getviewopt(&ourview, argc-i, argv+i);
|
| 124 |
|
|
if (rval >= 0) {
|
| 125 |
|
|
i += rval;
|
| 126 |
|
|
continue;
|
| 127 |
|
|
}
|
| 128 |
|
|
switch (argv[i][1]) {
|
| 129 |
greg |
2.9 |
case 'n': /* # processes */
|
| 130 |
|
|
check(2,"i");
|
| 131 |
|
|
nproc = atoi(argv[++i]);
|
| 132 |
|
|
if (nproc <= 0)
|
| 133 |
|
|
error(USER, "bad number of processes");
|
| 134 |
|
|
break;
|
| 135 |
greg |
2.1 |
case 'v': /* view file */
|
| 136 |
|
|
if (argv[i][2] != 'f')
|
| 137 |
|
|
goto badopt;
|
| 138 |
|
|
check(3,"s");
|
| 139 |
|
|
rval = viewfile(argv[++i], &ourview, NULL);
|
| 140 |
|
|
if (rval < 0) {
|
| 141 |
|
|
sprintf(errmsg,
|
| 142 |
|
|
"cannot open view file \"%s\"",
|
| 143 |
|
|
argv[i]);
|
| 144 |
|
|
error(SYSTEM, errmsg);
|
| 145 |
|
|
} else if (rval == 0) {
|
| 146 |
|
|
sprintf(errmsg,
|
| 147 |
|
|
"bad view file \"%s\"",
|
| 148 |
|
|
argv[i]);
|
| 149 |
|
|
error(USER, errmsg);
|
| 150 |
|
|
}
|
| 151 |
|
|
break;
|
| 152 |
|
|
case 'b': /* grayscale */
|
| 153 |
schorsch |
2.15 |
check_bool(2,greyscale);
|
| 154 |
greg |
2.1 |
break;
|
| 155 |
|
|
case 'p': /* pixel */
|
| 156 |
|
|
switch (argv[i][2]) {
|
| 157 |
|
|
case 's': /* sample */
|
| 158 |
|
|
check(3,"i");
|
| 159 |
|
|
psample = atoi(argv[++i]);
|
| 160 |
|
|
break;
|
| 161 |
|
|
case 't': /* threshold */
|
| 162 |
|
|
check(3,"f");
|
| 163 |
|
|
maxdiff = atof(argv[++i]);
|
| 164 |
|
|
break;
|
| 165 |
|
|
case 'e': /* exposure */
|
| 166 |
|
|
check(3,"f");
|
| 167 |
|
|
exposure = atof(argv[++i]);
|
| 168 |
|
|
if (argv[i][0] == '+' || argv[i][0] == '-')
|
| 169 |
|
|
exposure = pow(2.0, exposure);
|
| 170 |
|
|
break;
|
| 171 |
|
|
default:
|
| 172 |
|
|
goto badopt;
|
| 173 |
|
|
}
|
| 174 |
|
|
break;
|
| 175 |
|
|
case 'w': /* warnings */
|
| 176 |
|
|
rval = erract[WARNING].pf != NULL;
|
| 177 |
schorsch |
2.15 |
check_bool(2,rval);
|
| 178 |
greg |
2.1 |
if (rval) erract[WARNING].pf = wputs;
|
| 179 |
|
|
else erract[WARNING].pf = NULL;
|
| 180 |
|
|
break;
|
| 181 |
|
|
case 'e': /* error file */
|
| 182 |
|
|
check(2,"s");
|
| 183 |
|
|
errfile = argv[++i];
|
| 184 |
|
|
break;
|
| 185 |
|
|
case 'o': /* output device */
|
| 186 |
|
|
check(2,"s");
|
| 187 |
|
|
dvcname = argv[++i];
|
| 188 |
|
|
break;
|
| 189 |
|
|
case 'R': /* render input file */
|
| 190 |
|
|
check(2,"s");
|
| 191 |
|
|
strcpy(rifname, argv[++i]);
|
| 192 |
|
|
break;
|
| 193 |
|
|
default:
|
| 194 |
|
|
goto badopt;
|
| 195 |
|
|
}
|
| 196 |
|
|
}
|
| 197 |
greg |
2.20 |
/* set/check spectral sampling */
|
| 198 |
greg |
2.21 |
if (setspectrsamp(CNDX, WLPART) <= 0)
|
| 199 |
greg |
2.20 |
error(USER, "unsupported spectral sampling");
|
| 200 |
|
|
|
| 201 |
greg |
2.1 |
err = setview(&ourview); /* set viewing parameters */
|
| 202 |
|
|
if (err != NULL)
|
| 203 |
|
|
error(USER, err);
|
| 204 |
greg |
2.9 |
/* set up signal handling */
|
| 205 |
greg |
2.1 |
sigdie(SIGINT, "Interrupt");
|
| 206 |
greg |
2.11 |
sigdie(SIGTERM, "Terminate");
|
| 207 |
schorsch |
2.14 |
#if !defined(_WIN32) && !defined(_WIN64)
|
| 208 |
greg |
2.1 |
sigdie(SIGHUP, "Hangup");
|
| 209 |
|
|
sigdie(SIGPIPE, "Broken pipe");
|
| 210 |
|
|
sigdie(SIGALRM, "Alarm clock");
|
| 211 |
greg |
2.11 |
#endif
|
| 212 |
greg |
2.1 |
/* open error file */
|
| 213 |
|
|
if (errfile != NULL) {
|
| 214 |
|
|
if (freopen(errfile, "a", stderr) == NULL)
|
| 215 |
|
|
quit(2);
|
| 216 |
|
|
fprintf(stderr, "**************\n*** PID %5d: ",
|
| 217 |
|
|
getpid());
|
| 218 |
|
|
printargs(argc, argv, stderr);
|
| 219 |
|
|
putc('\n', stderr);
|
| 220 |
|
|
fflush(stderr);
|
| 221 |
|
|
}
|
| 222 |
|
|
#ifdef NICE
|
| 223 |
|
|
nice(NICE); /* lower priority */
|
| 224 |
|
|
#endif
|
| 225 |
|
|
/* get octree */
|
| 226 |
|
|
if (i == argc)
|
| 227 |
greg |
2.9 |
octnm = NULL;
|
| 228 |
greg |
2.1 |
else if (i == argc-1)
|
| 229 |
greg |
2.9 |
octnm = argv[i];
|
| 230 |
greg |
2.1 |
else
|
| 231 |
|
|
goto badopt;
|
| 232 |
greg |
2.9 |
if (octnm == NULL)
|
| 233 |
greg |
2.1 |
error(USER, "missing octree argument");
|
| 234 |
greg |
2.9 |
/* set up output & start process(es) */
|
| 235 |
schorsch |
2.3 |
SET_FILE_BINARY(stdout);
|
| 236 |
greg |
2.9 |
|
| 237 |
greg |
2.13 |
ray_init(octnm); /* also calls ray_init_pmap() */
|
| 238 |
greg |
2.12 |
|
| 239 |
schorsch |
2.16 |
/* temporary shortcut, until winrview is refactored into a "device" */
|
| 240 |
|
|
#ifndef WIN_RVIEW
|
| 241 |
greg |
2.1 |
rview(); /* run interactive viewer */
|
| 242 |
|
|
|
| 243 |
schorsch |
2.16 |
|
| 244 |
greg |
2.9 |
devclose(); /* close output device */
|
| 245 |
schorsch |
2.16 |
#endif
|
| 246 |
greg |
2.1 |
|
| 247 |
greg |
2.12 |
/* PMAP: free photon maps */
|
| 248 |
|
|
ray_done_pmap();
|
| 249 |
|
|
|
| 250 |
schorsch |
2.16 |
#ifdef WIN_RVIEW
|
| 251 |
|
|
return 1;
|
| 252 |
|
|
#endif
|
| 253 |
greg |
2.1 |
quit(0);
|
| 254 |
|
|
|
| 255 |
|
|
badopt:
|
| 256 |
|
|
sprintf(errmsg, "command line error at '%s'", argv[i]);
|
| 257 |
|
|
error(USER, errmsg);
|
| 258 |
schorsch |
2.4 |
return 1; /* pro forma return */
|
| 259 |
greg |
2.1 |
|
| 260 |
|
|
#undef check
|
| 261 |
schorsch |
2.15 |
#undef check_bool
|
| 262 |
greg |
2.1 |
}
|
| 263 |
|
|
|
| 264 |
|
|
|
| 265 |
|
|
void
|
| 266 |
schorsch |
2.4 |
wputs( /* warning output function */
|
| 267 |
greg |
2.19 |
const char *s
|
| 268 |
schorsch |
2.4 |
)
|
| 269 |
greg |
2.1 |
{
|
| 270 |
|
|
int lasterrno = errno;
|
| 271 |
greg |
2.22 |
if (erract[WARNING].pf == NULL)
|
| 272 |
|
|
return; /* called by calcomp or someone */
|
| 273 |
greg |
2.1 |
eputs(s);
|
| 274 |
|
|
errno = lasterrno;
|
| 275 |
|
|
}
|
| 276 |
|
|
|
| 277 |
|
|
|
| 278 |
|
|
void
|
| 279 |
schorsch |
2.4 |
eputs( /* put string to stderr */
|
| 280 |
greg |
2.19 |
const char *s
|
| 281 |
schorsch |
2.4 |
)
|
| 282 |
greg |
2.1 |
{
|
| 283 |
|
|
static int midline = 0;
|
| 284 |
|
|
|
| 285 |
|
|
if (!*s)
|
| 286 |
|
|
return;
|
| 287 |
|
|
if (!midline++) {
|
| 288 |
|
|
fputs(progname, stderr);
|
| 289 |
|
|
fputs(": ", stderr);
|
| 290 |
|
|
}
|
| 291 |
|
|
fputs(s, stderr);
|
| 292 |
|
|
if (s[strlen(s)-1] == '\n') {
|
| 293 |
|
|
fflush(stderr);
|
| 294 |
|
|
midline = 0;
|
| 295 |
|
|
}
|
| 296 |
|
|
}
|
| 297 |
|
|
|
| 298 |
|
|
|
| 299 |
schorsch |
2.4 |
static void
|
| 300 |
|
|
onsig( /* fatal signal */
|
| 301 |
|
|
int signo
|
| 302 |
|
|
)
|
| 303 |
greg |
2.1 |
{
|
| 304 |
|
|
static int gotsig = 0;
|
| 305 |
|
|
|
| 306 |
|
|
if (gotsig++) /* two signals and we're gone! */
|
| 307 |
|
|
_exit(signo);
|
| 308 |
|
|
|
| 309 |
schorsch |
2.14 |
#if !defined(_WIN32) && !defined(_WIN64)
|
| 310 |
greg |
2.1 |
alarm(15); /* allow 15 seconds to clean up */
|
| 311 |
|
|
signal(SIGALRM, SIG_DFL); /* make certain we do die */
|
| 312 |
greg |
2.11 |
#endif
|
| 313 |
greg |
2.1 |
eputs("signal - ");
|
| 314 |
|
|
eputs(sigerr[signo]);
|
| 315 |
|
|
eputs("\n");
|
| 316 |
greg |
2.9 |
devclose();
|
| 317 |
greg |
2.1 |
quit(3);
|
| 318 |
|
|
}
|
| 319 |
|
|
|
| 320 |
|
|
|
| 321 |
schorsch |
2.4 |
static void
|
| 322 |
|
|
sigdie( /* set fatal signal */
|
| 323 |
|
|
int signo,
|
| 324 |
|
|
char *msg
|
| 325 |
|
|
)
|
| 326 |
greg |
2.1 |
{
|
| 327 |
|
|
if (signal(signo, onsig) == SIG_IGN)
|
| 328 |
|
|
signal(signo, SIG_IGN);
|
| 329 |
|
|
sigerr[signo] = msg;
|
| 330 |
|
|
}
|
| 331 |
|
|
|
| 332 |
|
|
|
| 333 |
schorsch |
2.4 |
static void
|
| 334 |
|
|
printdefaults(void) /* print default values to stdout */
|
| 335 |
greg |
2.1 |
{
|
| 336 |
greg |
2.9 |
printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc);
|
| 337 |
greg |
2.1 |
printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" :
|
| 338 |
|
|
"-b-\t\t\t\t# greyscale off\n");
|
| 339 |
|
|
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
|
| 340 |
|
|
ourview.type==VT_PER ? "perspective" :
|
| 341 |
|
|
ourview.type==VT_PAR ? "parallel" :
|
| 342 |
|
|
ourview.type==VT_HEM ? "hemispherical" :
|
| 343 |
|
|
ourview.type==VT_ANG ? "angular" :
|
| 344 |
|
|
ourview.type==VT_CYL ? "cylindrical" :
|
| 345 |
greg |
2.8 |
ourview.type==VT_PLS ? "planisphere" :
|
| 346 |
greg |
2.1 |
"unknown");
|
| 347 |
|
|
printf("-vp %f %f %f\t# view point\n",
|
| 348 |
|
|
ourview.vp[0], ourview.vp[1], ourview.vp[2]);
|
| 349 |
|
|
printf("-vd %f %f %f\t# view direction\n",
|
| 350 |
|
|
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
|
| 351 |
|
|
printf("-vu %f %f %f\t# view up\n",
|
| 352 |
|
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]);
|
| 353 |
|
|
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
|
| 354 |
|
|
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
|
| 355 |
|
|
printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
|
| 356 |
|
|
printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
|
| 357 |
|
|
printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
|
| 358 |
|
|
printf("-vl %f\t\t\t# view lift\n", ourview.voff);
|
| 359 |
|
|
printf("-pe %f\t\t\t# pixel exposure\n", exposure);
|
| 360 |
|
|
printf("-ps %-9d\t\t\t# pixel sample\n", psample);
|
| 361 |
|
|
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
|
| 362 |
|
|
printf("-o %s\t\t\t\t# output device\n", dvcname);
|
| 363 |
|
|
printf(erract[WARNING].pf != NULL ?
|
| 364 |
|
|
"-w+\t\t\t\t# warning messages on\n" :
|
| 365 |
|
|
"-w-\t\t\t\t# warning messages off\n");
|
| 366 |
|
|
print_rdefaults();
|
| 367 |
|
|
}
|