ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/rt/rvmain.c
Revision: 2.10
Committed: Sat Dec 12 19:01:00 2009 UTC (14 years, 3 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad4R0
Changes since 2.9: +2 -2 lines
Log Message:
Added -n option to rtrace and moved quit() funciton out of raypcalls

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rvmain.c,v 2.9 2008/08/21 07:05:59 greg Exp $";
3 #endif
4 /*
5 * rvmain.c - main for rview interactive viewer
6 */
7
8 #include "copyright.h"
9
10 #include <signal.h>
11 #include <time.h>
12
13 #include "platform.h"
14 #include "ray.h"
15 #include "source.h"
16 #include "ambient.h"
17 #include "rpaint.h"
18 #include "random.h"
19 #include "paths.h"
20 #include "view.h"
21
22 extern char *progname; /* global argv[0] */
23
24 VIEW ourview = STDVIEW; /* viewing parameters */
25 int hresolu, vresolu; /* image resolution */
26
27 int psample = 8; /* pixel sample size */
28 double maxdiff = .15; /* max. sample difference */
29
30 int greyscale = 0; /* map colors to brightness? */
31 char *dvcname = dev_default; /* output device name */
32
33 double exposure = 1.0; /* exposure for scene */
34
35 int newparam = 1; /* parameter setting changed */
36
37 struct driver *dev = NULL; /* driver functions */
38
39 char rifname[128]; /* rad input file name */
40
41 VIEW oldview; /* previous view parameters */
42
43 PNODE ptrunk; /* the base of our image */
44 RECT pframe; /* current frame boundaries */
45 int pdepth; /* image depth in current frame */
46
47 char *errfile = NULL; /* error output file */
48
49 int nproc = 1; /* number of processes */
50
51 char *sigerr[NSIG]; /* signal error messages */
52
53 static void onsig(int signo);
54 static void sigdie(int signo, char *msg);
55 static void printdefaults(void);
56
57
58 int
59 main(int argc, char *argv[])
60 {
61 #define check(ol,al) if (argv[i][ol] || \
62 badarg(argc-i-1,argv+i+1,al)) \
63 goto badopt
64 #define bool(olen,var) switch (argv[i][olen]) { \
65 case '\0': var = !var; break; \
66 case 'y': case 'Y': case 't': case 'T': \
67 case '+': case '1': var = 1; break; \
68 case 'n': case 'N': case 'f': case 'F': \
69 case '-': case '0': var = 0; break; \
70 default: goto badopt; }
71 char *octnm = NULL;
72 char *err;
73 int rval;
74 int i;
75 /* global program name */
76 progname = argv[0] = fixargv0(argv[0]);
77 /* set our defaults */
78 shadthresh = .1;
79 shadcert = .25;
80 directrelay = 0;
81 vspretest = 128;
82 srcsizerat = 0.;
83 specthresh = .3;
84 specjitter = 1.;
85 maxdepth = 6;
86 minweight = 1e-2;
87 ambacc = 0.3;
88 ambres = 32;
89 ambdiv = 256;
90 ambssamp = 64;
91 /* option city */
92 for (i = 1; i < argc; i++) {
93 /* expand arguments */
94 while ((rval = expandarg(&argc, &argv, i)) > 0)
95 ;
96 if (rval < 0) {
97 sprintf(errmsg, "cannot expand '%s'", argv[i]);
98 error(SYSTEM, errmsg);
99 }
100 if (argv[i] == NULL || argv[i][0] != '-')
101 break; /* break from options */
102 if (!strcmp(argv[i], "-version")) {
103 puts(VersionID);
104 quit(0);
105 }
106 if (!strcmp(argv[i], "-defaults") ||
107 !strcmp(argv[i], "-help")) {
108 printdefaults();
109 quit(0);
110 }
111 if (!strcmp(argv[i], "-devices")) {
112 printdevices();
113 quit(0);
114 }
115 rval = getrenderopt(argc-i, argv+i);
116 if (rval >= 0) {
117 i += rval;
118 continue;
119 }
120 rval = getviewopt(&ourview, argc-i, argv+i);
121 if (rval >= 0) {
122 i += rval;
123 continue;
124 }
125 switch (argv[i][1]) {
126 case 'n': /* # processes */
127 check(2,"i");
128 nproc = atoi(argv[++i]);
129 if (nproc <= 0)
130 error(USER, "bad number of processes");
131 break;
132 case 'v': /* view file */
133 if (argv[i][2] != 'f')
134 goto badopt;
135 check(3,"s");
136 rval = viewfile(argv[++i], &ourview, NULL);
137 if (rval < 0) {
138 sprintf(errmsg,
139 "cannot open view file \"%s\"",
140 argv[i]);
141 error(SYSTEM, errmsg);
142 } else if (rval == 0) {
143 sprintf(errmsg,
144 "bad view file \"%s\"",
145 argv[i]);
146 error(USER, errmsg);
147 }
148 break;
149 case 'b': /* grayscale */
150 bool(2,greyscale);
151 break;
152 case 'p': /* pixel */
153 switch (argv[i][2]) {
154 case 's': /* sample */
155 check(3,"i");
156 psample = atoi(argv[++i]);
157 break;
158 case 't': /* threshold */
159 check(3,"f");
160 maxdiff = atof(argv[++i]);
161 break;
162 case 'e': /* exposure */
163 check(3,"f");
164 exposure = atof(argv[++i]);
165 if (argv[i][0] == '+' || argv[i][0] == '-')
166 exposure = pow(2.0, exposure);
167 break;
168 default:
169 goto badopt;
170 }
171 break;
172 case 'w': /* warnings */
173 rval = erract[WARNING].pf != NULL;
174 bool(2,rval);
175 if (rval) erract[WARNING].pf = wputs;
176 else erract[WARNING].pf = NULL;
177 break;
178 case 'e': /* error file */
179 check(2,"s");
180 errfile = argv[++i];
181 break;
182 case 'o': /* output device */
183 check(2,"s");
184 dvcname = argv[++i];
185 break;
186 case 'R': /* render input file */
187 check(2,"s");
188 strcpy(rifname, argv[++i]);
189 break;
190 default:
191 goto badopt;
192 }
193 }
194 err = setview(&ourview); /* set viewing parameters */
195 if (err != NULL)
196 error(USER, err);
197 /* set up signal handling */
198 sigdie(SIGINT, "Interrupt");
199 sigdie(SIGHUP, "Hangup");
200 sigdie(SIGTERM, "Terminate");
201 sigdie(SIGPIPE, "Broken pipe");
202 sigdie(SIGALRM, "Alarm clock");
203 /* open error file */
204 if (errfile != NULL) {
205 if (freopen(errfile, "a", stderr) == NULL)
206 quit(2);
207 fprintf(stderr, "**************\n*** PID %5d: ",
208 getpid());
209 printargs(argc, argv, stderr);
210 putc('\n', stderr);
211 fflush(stderr);
212 }
213 #ifdef NICE
214 nice(NICE); /* lower priority */
215 #endif
216 /* get octree */
217 if (i == argc)
218 octnm = NULL;
219 else if (i == argc-1)
220 octnm = argv[i];
221 else
222 goto badopt;
223 if (octnm == NULL)
224 error(USER, "missing octree argument");
225 /* set up output & start process(es) */
226 SET_FILE_BINARY(stdout);
227
228 ray_init(octnm);
229
230 rview(); /* run interactive viewer */
231
232 devclose(); /* close output device */
233
234 quit(0);
235
236 badopt:
237 sprintf(errmsg, "command line error at '%s'", argv[i]);
238 error(USER, errmsg);
239 return 1; /* pro forma return */
240
241 #undef check
242 #undef bool
243 }
244
245
246 void
247 wputs( /* warning output function */
248 char *s
249 )
250 {
251 int lasterrno = errno;
252 eputs(s);
253 errno = lasterrno;
254 }
255
256
257 void
258 eputs( /* put string to stderr */
259 char *s
260 )
261 {
262 static int midline = 0;
263
264 if (!*s)
265 return;
266 if (!midline++) {
267 fputs(progname, stderr);
268 fputs(": ", stderr);
269 }
270 fputs(s, stderr);
271 if (s[strlen(s)-1] == '\n') {
272 fflush(stderr);
273 midline = 0;
274 }
275 }
276
277
278 static void
279 onsig( /* fatal signal */
280 int signo
281 )
282 {
283 static int gotsig = 0;
284
285 if (gotsig++) /* two signals and we're gone! */
286 _exit(signo);
287
288 alarm(15); /* allow 15 seconds to clean up */
289 signal(SIGALRM, SIG_DFL); /* make certain we do die */
290 eputs("signal - ");
291 eputs(sigerr[signo]);
292 eputs("\n");
293 devclose();
294 quit(3);
295 }
296
297
298 static void
299 sigdie( /* set fatal signal */
300 int signo,
301 char *msg
302 )
303 {
304 if (signal(signo, onsig) == SIG_IGN)
305 signal(signo, SIG_IGN);
306 sigerr[signo] = msg;
307 }
308
309
310 static void
311 printdefaults(void) /* print default values to stdout */
312 {
313 printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc);
314 printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" :
315 "-b-\t\t\t\t# greyscale off\n");
316 printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
317 ourview.type==VT_PER ? "perspective" :
318 ourview.type==VT_PAR ? "parallel" :
319 ourview.type==VT_HEM ? "hemispherical" :
320 ourview.type==VT_ANG ? "angular" :
321 ourview.type==VT_CYL ? "cylindrical" :
322 ourview.type==VT_PLS ? "planisphere" :
323 "unknown");
324 printf("-vp %f %f %f\t# view point\n",
325 ourview.vp[0], ourview.vp[1], ourview.vp[2]);
326 printf("-vd %f %f %f\t# view direction\n",
327 ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
328 printf("-vu %f %f %f\t# view up\n",
329 ourview.vup[0], ourview.vup[1], ourview.vup[2]);
330 printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
331 printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
332 printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
333 printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
334 printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
335 printf("-vl %f\t\t\t# view lift\n", ourview.voff);
336 printf("-pe %f\t\t\t# pixel exposure\n", exposure);
337 printf("-ps %-9d\t\t\t# pixel sample\n", psample);
338 printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
339 printf("-o %s\t\t\t\t# output device\n", dvcname);
340 printf(erract[WARNING].pf != NULL ?
341 "-w+\t\t\t\t# warning messages on\n" :
342 "-w-\t\t\t\t# warning messages off\n");
343 print_rdefaults();
344 }