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root/radiance/ray/src/rt/rxtmain.cpp
Revision: 2.1
Committed: Mon Aug 21 22:39:05 2023 UTC (9 months, 1 week ago) by greg
Branch: MAIN
CVS Tags: rad5R4
Log Message:
Renamed ratrace to rxtrace

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2     static const char RCSid[] = "$Id: ratmain.cpp,v 2.1 2023/02/08 17:41:48 greg Exp $";
3     #endif
4     /*
5     * rtmain.c - main for rtrace per-ray calculation program
6     */
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    
16     extern char *progname; /* global argv[0] */
17    
18     static const char *sigerr[NSIG]; /* signal error messages */
19     char *errfile = NULL; /* error output file */
20    
21     extern const char *formstr(int f); /* string from format */
22     extern int setrtoutput(const char *outvals); /* set output values */
23    
24     int inform = 'a'; /* input format */
25     int outform = 'a'; /* output format */
26    
27     int hresolu = 0; /* horizontal (scan) size */
28     int vresolu = 0; /* vertical resolution */
29    
30     RtraceSimulManager myRTmanager; // global simulation manager
31    
32     static const char *outvals = "v"; /* output specification */
33     static int nproc = 1; /* number of requested threads */
34     static int doheader = 1; /* include information header? */
35    
36     #ifndef MAXMODLIST
37     #define MAXMODLIST 1024 /* maximum modifiers we'll track */
38     #endif
39    
40     extern void (*addobjnotify[])(OBJECT); /* object notification calls */
41     extern void tranotify(OBJECT obj);
42    
43     char *tralist[MAXMODLIST]; /* list of modifers to trace (or no) */
44     int traincl = -1; /* include == 1, exclude == 0 */
45    
46     static void onsig(int signo);
47     static void sigdie(int signo, const char *msg);
48     static void printdefaults(void);
49    
50     #define RATRACE_FEATURES "IrradianceCalc\nIrradianceCalc\nDistanceLimiting\n" \
51     "HessianAmbientCache\nAmbientAveraging\n" \
52     "AmbientValueSharing\nAdaptiveShadowTesting\n" \
53     "Outputs=o,d,v,V,w,W,l,L,c,p,n,N,s,m,M,r,x,R,X,~\n"
54    
55     int
56     main(int argc, char *argv[])
57     {
58     #define check(ol,al) if (argv[i][ol] || \
59     badarg(argc-i-1,argv+i+1,al)) \
60     goto badopt
61     #define check_bool(olen,var) switch (argv[i][olen]) { \
62     case '\0': var = !var; break; \
63     case 'y': case 'Y': case 't': case 'T': \
64     case '+': case '1': var = 1; break; \
65     case 'n': case 'N': case 'f': case 'F': \
66     case '-': case '0': var = 0; break; \
67     default: goto badopt; }
68     char **tralp = NULL;
69     int rval;
70     int i;
71     /* global program name */
72     progname = argv[0] = fixargv0(argv[0]);
73     /* feature check only? */
74     strcat(RFeatureList, RATRACE_FEATURES);
75     if (argc > 1 && !strcmp(argv[1], "-features"))
76     return feature_status(argc-2, argv+2);
77     /* add trace notify function */
78     for (i = 0; addobjnotify[i] != NULL; i++)
79     ;
80     addobjnotify[i] = tranotify;
81     /* option city */
82     for (i = 1; i < argc; i++) {
83     /* expand arguments */
84     while ((rval = expandarg(&argc, &argv, i)) > 0)
85     ;
86     if (rval < 0) {
87     sprintf(errmsg, "cannot expand '%s'", argv[i]);
88     error(SYSTEM, errmsg);
89     }
90     if (argv[i] == NULL || argv[i][0] != '-')
91     break; /* break from options */
92     if (!strcmp(argv[i], "-version")) {
93     puts(VersionID);
94     quit(0);
95     }
96     if (!strcmp(argv[i], "-defaults") ||
97     !strcmp(argv[i], "-help")) {
98     printdefaults();
99     quit(0);
100     }
101     rval = getrenderopt(argc-i, argv+i);
102     if (rval >= 0) {
103     i += rval;
104     continue;
105     }
106     switch (argv[i][1]) {
107     case 'n': /* number of cores */
108     check(2,"i");
109     nproc = atoi(argv[++i]);
110     if (nproc < 0)
111     error(USER, "bad number of processes");
112     break;
113     case 'x': /* x resolution */
114     check(2,"i");
115     hresolu = atoi(argv[++i]);
116     break;
117     case 'y': /* y resolution */
118     check(2,"i");
119     vresolu = atoi(argv[++i]);
120     break;
121     case 'w': /* warnings */
122     rval = erract[WARNING].pf != NULL;
123     check_bool(2,rval);
124     if (rval) erract[WARNING].pf = wputs;
125     else erract[WARNING].pf = NULL;
126     break;
127     case 'e': /* error file */
128     check(2,"s");
129     errfile = argv[++i];
130     break;
131     case 'l': /* limit distance */
132     if (argv[i][2] != 'd')
133     goto badopt;
134     rval = myRTmanager.rtFlags & RTlimDist;
135     check_bool(3,rval);
136     if (rval) myRTmanager.rtFlags |= RTlimDist;
137     else myRTmanager.rtFlags &= ~RTlimDist;
138     break;
139     case 'I': /* immed. irradiance */
140     rval = myRTmanager.rtFlags & RTimmIrrad;
141     check_bool(3,rval);
142     if (rval) myRTmanager.rtFlags |= RTimmIrrad;
143     else myRTmanager.rtFlags &= ~RTimmIrrad;
144     break;
145     case 'f': /* format i/o */
146     switch (argv[i][2]) {
147     case 'a': /* ascii */
148     case 'f': /* float */
149     case 'd': /* double */
150     inform = argv[i][2];
151     break;
152     default:
153     goto badopt;
154     }
155     switch (argv[i][3]) {
156     case '\0':
157     outform = inform;
158     break;
159     case 'a': /* ascii */
160     case 'f': /* float */
161     case 'd': /* double */
162     case 'c': /* color */
163     check(4,"");
164     outform = argv[i][3];
165     break;
166     default:
167     goto badopt;
168     }
169     break;
170     case 'o': /* output */
171     outvals = argv[i]+2;
172     break;
173     case 'h': /* header output */
174     check_bool(2,doheader);
175     break;
176     case 't': /* trace */
177     switch (argv[i][2]) {
178     case 'i': /* include */
179     case 'I':
180     check(3,"s");
181     if (traincl != 1) {
182     traincl = 1;
183     tralp = tralist;
184     }
185     if (argv[i][2] == 'I') { /* file */
186     rval = wordfile(tralp, MAXMODLIST-(tralp-tralist),
187     getpath(argv[++i],getrlibpath(),R_OK));
188     if (rval < 0) {
189     sprintf(errmsg,
190     "cannot open trace include file \"%s\"",
191     argv[i]);
192     error(SYSTEM, errmsg);
193     }
194     tralp += rval;
195     } else {
196     *tralp++ = argv[++i];
197     *tralp = NULL;
198     }
199     break;
200     case 'e': /* exclude */
201     case 'E':
202     check(3,"s");
203     if (traincl != 0) {
204     traincl = 0;
205     tralp = tralist;
206     }
207     if (argv[i][2] == 'E') { /* file */
208     rval = wordfile(tralp, MAXMODLIST-(tralp-tralist),
209     getpath(argv[++i],getrlibpath(),R_OK));
210     if (rval < 0) {
211     sprintf(errmsg,
212     "cannot open trace exclude file \"%s\"",
213     argv[i]);
214     error(SYSTEM, errmsg);
215     }
216     tralp += rval;
217     } else {
218     *tralp++ = argv[++i];
219     *tralp = NULL;
220     }
221     break;
222     default:
223     goto badopt;
224     }
225     break;
226     default:
227     goto badopt;
228     }
229     }
230     /* set up signal handling */
231     sigdie(SIGINT, "Interrupt");
232     #ifdef SIGHUP
233     sigdie(SIGHUP, "Hangup");
234     #endif
235     sigdie(SIGTERM, "Terminate");
236     #ifdef SIGPIPE
237     sigdie(SIGPIPE, "Broken pipe");
238     #endif
239     #ifdef SIGALRM
240     sigdie(SIGALRM, "Alarm clock");
241     #endif
242     #ifdef SIGXCPU
243     sigdie(SIGXCPU, "CPU limit exceeded");
244     sigdie(SIGXFSZ, "File size exceeded");
245     #endif
246     /* open error file */
247     if (errfile != NULL) {
248     if (freopen(errfile, "a", stderr) == NULL)
249     quit(2);
250     fprintf(stderr, "**************\n*** PID %5d: ",
251     getpid());
252     printargs(argc, argv, stderr);
253     putc('\n', stderr);
254     fflush(stderr);
255     }
256     #ifdef NICE
257     nice(NICE); /* lower priority */
258     #endif
259     /* get octree name */
260     if (i == argc)
261     error(USER, "missing octree argument");
262     if (i != argc-1)
263     goto badopt;
264     /* set output options */
265     rval = setrtoutput(outvals);
266     /* load octree */
267     if (!myRTmanager.LoadOctree(argv[i]))
268     quit(1);
269     /* set up output */
270     if (outform != 'a')
271     SET_FILE_BINARY(stdout);
272     if (doheader) { /* print header? */
273     static char fmt[] = OCTFMT;
274     FILE * octfp = fopen(argv[i], "rb");
275     if (checkheader(octfp, fmt, stdout) < 0)
276     error(USER, "bad octree header");
277     fclose(octfp);
278     printargs(i, argv, stdout);
279     printf("SOFTWARE= %s\n", VersionID);
280     fputnow(stdout);
281     if (rval > 0) /* saved from setrtoutput() call */
282     printf("NCOMP=%d\n", rval);
283     if ((outform == 'f') | (outform == 'd'))
284     fputendian(stdout);
285     fputformat(formstr(outform), stdout);
286     putchar('\n');
287     }
288     rtrace(NULL, nproc); /* trace rays */
289     quit(0); /* clean up & exit */
290    
291     badopt:
292     sprintf(errmsg, "command line error at '%s'", argv[i]);
293     error(USER, errmsg);
294     return 1; /* pro forma return */
295    
296     #undef check
297     #undef check_bool
298     }
299    
300     void
301     wputs( /* warning output function */
302     char *s
303     )
304     {
305     int lasterrno = errno;
306     eputs(s);
307     errno = lasterrno;
308     }
309    
310     void
311     eputs( /* put string to stderr */
312     char *s
313     )
314     {
315     static int midline = 0;
316    
317     if (!*s)
318     return;
319     if (!midline++) {
320     fputs(progname, stderr);
321     fputs(": ", stderr);
322     }
323     fputs(s, stderr);
324     if (s[strlen(s)-1] == '\n') {
325     fflush(stderr);
326     midline = 0;
327     }
328     }
329    
330     static void
331     onsig( /* fatal signal */
332     int signo
333     )
334     {
335     static int gotsig = 0;
336    
337     if (gotsig++) /* two signals and we're gone! */
338     _exit(signo);
339    
340     #ifdef SIGALRM
341     alarm(15); /* allow 15 seconds to clean up */
342     signal(SIGALRM, SIG_DFL); /* make certain we do die */
343     #endif
344     eputs("signal - ");
345     eputs(sigerr[signo]);
346     eputs("\n");
347     quit(3);
348     }
349    
350     static void
351     sigdie( /* set fatal signal */
352     int signo,
353     const char *msg
354     )
355     {
356     if (signal(signo, onsig) == SIG_IGN)
357     signal(signo, SIG_IGN);
358     sigerr[signo] = msg;
359     }
360    
361     static void
362     printdefaults(void) /* print default values to stdout */
363     {
364     const char *cp;
365    
366     if (myRTmanager.rtFlags & RTimmIrrad)
367     printf("-I+\t\t\t\t# immediate irradiance on\n");
368     printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc);
369     printf("-x %-9d\t\t\t# %s\n", hresolu,
370     vresolu && hresolu ? "x resolution" : "flush interval");
371     printf("-y %-9d\t\t\t# y resolution\n", vresolu);
372     printf(myRTmanager.rtFlags&RTlimDist ? "-ld+\t\t\t\t# limit distance on\n" :
373     "-ld-\t\t\t\t# limit distance off\n");
374     printf("-h%c\t\t\t\t# %s header\n", doheader ? '+' : '-',
375     doheader ? "output" : "no");
376     printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n",
377     inform, outform, formstr(inform), formstr(outform));
378     printf("-o%-9s\t\t\t# output", outvals);
379     for (cp = outvals; *cp; cp++)
380     switch (*cp) {
381     case 't': case 'T': printf(" trace"); break;
382     case 'o': printf(" origin"); break;
383     case 'd': printf(" direction"); break;
384     case 'r': printf(" reflect_contrib"); break;
385     case 'R': printf(" reflect_length"); break;
386     case 'x': printf(" unreflect_contrib"); break;
387     case 'X': printf(" unreflect_length"); break;
388     case 'v': printf(" value"); break;
389     case 'V': printf(" contribution"); break;
390     case 'l': printf(" length"); break;
391     case 'L': printf(" first_length"); break;
392     case 'p': printf(" point"); break;
393     case 'n': printf(" normal"); break;
394     case 'N': printf(" unperturbed_normal"); break;
395     case 's': printf(" surface"); break;
396     case 'w': printf(" weight"); break;
397     case 'W': printf(" coefficient"); break;
398     case 'm': printf(" modifier"); break;
399     case 'M': printf(" material"); break;
400     case '~': printf(" tilde"); break;
401     }
402     putchar('\n');
403     printf(erract[WARNING].pf != NULL ?
404     "-w+\t\t\t\t# warning messages on\n" :
405     "-w-\t\t\t\t# warning messages off\n");
406     print_rdefaults();
407     }