1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: rc2.c,v 2.11 2014/06/13 01:16:41 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* Accumulate ray contributions for a set of materials |
6 |
* File i/o and recovery |
7 |
*/ |
8 |
|
9 |
#include "rcontrib.h" |
10 |
#include "resolu.h" |
11 |
#include <ctype.h> |
12 |
|
13 |
/* Close output stream and free record */ |
14 |
static void |
15 |
closestream(void *p) |
16 |
{ |
17 |
STREAMOUT *sop = (STREAMOUT *)p; |
18 |
|
19 |
if (sop->ofp != NULL) { |
20 |
int status = 0; |
21 |
if (sop->outpipe) |
22 |
status = pclose(sop->ofp); |
23 |
else if (sop->ofp != stdout) |
24 |
status = fclose(sop->ofp); |
25 |
if (status) |
26 |
error(SYSTEM, "error closing output stream"); |
27 |
} |
28 |
free(p); |
29 |
} |
30 |
|
31 |
LUTAB ofiletab = LU_SINIT(free,closestream); /* output file table */ |
32 |
|
33 |
#define OF_MODIFIER 01 |
34 |
#define OF_BIN 02 |
35 |
|
36 |
/************************** STREAM & FILE I/O ***************************/ |
37 |
|
38 |
/* Construct output file name and return flags whether modifier/bin present */ |
39 |
static int |
40 |
ofname(char *oname, const char *ospec, const char *mname, int bn) |
41 |
{ |
42 |
const char *mnp = NULL; |
43 |
const char *bnp = NULL; |
44 |
const char *cp; |
45 |
|
46 |
if (ospec == NULL) |
47 |
return(-1); |
48 |
for (cp = ospec; *cp; cp++) /* check format position(s) */ |
49 |
if (*cp == '%') { |
50 |
do |
51 |
++cp; |
52 |
while (isdigit(*cp)); |
53 |
switch (*cp) { |
54 |
case '%': |
55 |
break; |
56 |
case 's': |
57 |
if (mnp != NULL) |
58 |
return(-1); |
59 |
mnp = cp; |
60 |
break; |
61 |
case 'd': |
62 |
case 'i': |
63 |
case 'o': |
64 |
case 'x': |
65 |
case 'X': |
66 |
if (bnp != NULL) |
67 |
return(-1); |
68 |
bnp = cp; |
69 |
break; |
70 |
default: |
71 |
return(-1); |
72 |
} |
73 |
} |
74 |
if (mnp != NULL) { /* create file name */ |
75 |
if (bnp != NULL) { |
76 |
if (bnp > mnp) |
77 |
sprintf(oname, ospec, mname, bn); |
78 |
else |
79 |
sprintf(oname, ospec, bn, mname); |
80 |
return(OF_MODIFIER|OF_BIN); |
81 |
} |
82 |
sprintf(oname, ospec, mname); |
83 |
return(OF_MODIFIER); |
84 |
} |
85 |
if (bnp != NULL) { |
86 |
sprintf(oname, ospec, bn); |
87 |
return(OF_BIN); |
88 |
} |
89 |
strcpy(oname, ospec); |
90 |
return(0); |
91 |
} |
92 |
|
93 |
|
94 |
/* Write header to the given output stream */ |
95 |
static void |
96 |
printheader(FILE *fout, const char *info) |
97 |
{ |
98 |
extern char VersionID[]; |
99 |
/* copy octree header */ |
100 |
if (octname[0] == '!') { |
101 |
newheader("RADIANCE", fout); |
102 |
fputs(octname+1, fout); |
103 |
if (octname[strlen(octname)-1] != '\n') |
104 |
fputc('\n', fout); |
105 |
} else { |
106 |
FILE *fin = fopen(octname, (outfmt=='a') ? "r" : "rb"); |
107 |
if (fin == NULL) |
108 |
quit(1); |
109 |
checkheader(fin, OCTFMT, fout); |
110 |
fclose(fin); |
111 |
} |
112 |
printargs(gargc-1, gargv, fout); /* add our command */ |
113 |
fprintf(fout, "SOFTWARE= %s\n", VersionID); |
114 |
fputnow(fout); |
115 |
fputs("NCOMP=3\n", fout); /* always RGB */ |
116 |
if (info != NULL) /* add extra info if given */ |
117 |
fputs(info, fout); |
118 |
fputformat(formstr(outfmt), fout); |
119 |
fputc('\n', fout); /* empty line ends header */ |
120 |
} |
121 |
|
122 |
|
123 |
/* Write resolution string to given output stream */ |
124 |
static void |
125 |
printresolu(FILE *fout, int xr, int yr) |
126 |
{ |
127 |
if ((xr > 0) & (yr > 0)) /* resolution string */ |
128 |
fprtresolu(xr, yr, fout); |
129 |
} |
130 |
|
131 |
|
132 |
/* Get output stream pointer (open and write header if new and noopen==0) */ |
133 |
STREAMOUT * |
134 |
getostream(const char *ospec, const char *mname, int bn, int noopen) |
135 |
{ |
136 |
static STREAMOUT stdos; |
137 |
char info[1024]; |
138 |
int ofl; |
139 |
char oname[1024]; |
140 |
LUENT *lep; |
141 |
STREAMOUT *sop; |
142 |
char *cp; |
143 |
|
144 |
if (ospec == NULL) { /* use stdout? */ |
145 |
if (!noopen & !using_stdout) { |
146 |
if (outfmt != 'a') |
147 |
SET_FILE_BINARY(stdout); |
148 |
if (header) { |
149 |
cp = info; |
150 |
if (yres > 0) { |
151 |
sprintf(cp, "NROWS=%d\n", yres * |
152 |
(xres + !xres) ); |
153 |
while (*cp) ++cp; |
154 |
} |
155 |
sprintf(cp, "NCOLS=%d\n", stdos.reclen); |
156 |
printheader(stdout, info); |
157 |
} |
158 |
printresolu(stdout, xres, yres); |
159 |
if (waitflush > 0) |
160 |
fflush(stdout); |
161 |
stdos.xr = xres; stdos.yr = yres; |
162 |
#ifdef getc_unlocked |
163 |
flockfile(stdout); /* avoid lock/unlock overhead */ |
164 |
#endif |
165 |
using_stdout = 1; |
166 |
} |
167 |
stdos.ofp = stdout; |
168 |
stdos.reclen += noopen; |
169 |
return(&stdos); |
170 |
} |
171 |
ofl = ofname(oname, ospec, mname, bn); /* get output name */ |
172 |
if (ofl < 0) { |
173 |
sprintf(errmsg, "bad output format '%s'", ospec); |
174 |
error(USER, errmsg); |
175 |
} |
176 |
lep = lu_find(&ofiletab, oname); /* look it up */ |
177 |
if (lep->key == NULL) /* new entry */ |
178 |
lep->key = strcpy((char *)malloc(strlen(oname)+1), oname); |
179 |
sop = (STREAMOUT *)lep->data; |
180 |
if (sop == NULL) { /* allocate stream */ |
181 |
sop = (STREAMOUT *)malloc(sizeof(STREAMOUT)); |
182 |
if (sop == NULL) |
183 |
error(SYSTEM, "out of memory in getostream"); |
184 |
sop->outpipe = oname[0] == '!'; |
185 |
sop->reclen = 0; |
186 |
sop->ofp = NULL; /* open iff noopen==0 */ |
187 |
sop->xr = xres; sop->yr = yres; |
188 |
lep->data = (char *)sop; |
189 |
if (!sop->outpipe & !force_open & !recover && |
190 |
access(oname, F_OK) == 0) { |
191 |
errno = EEXIST; /* file exists */ |
192 |
goto openerr; |
193 |
} |
194 |
} |
195 |
if (!noopen && sop->ofp == NULL) { /* open output stream */ |
196 |
if (oname[0] == '!') /* output to command */ |
197 |
sop->ofp = popen(oname+1, "w"); |
198 |
else /* else open file */ |
199 |
sop->ofp = fopen(oname, "w"); |
200 |
if (sop->ofp == NULL) |
201 |
goto openerr; |
202 |
if (outfmt != 'a') |
203 |
SET_FILE_BINARY(sop->ofp); |
204 |
#ifdef getc_unlocked |
205 |
flockfile(sop->ofp); /* avoid lock/unlock overhead */ |
206 |
#endif |
207 |
if (accumulate > 0) { /* global resolution */ |
208 |
sop->xr = xres; sop->yr = yres; |
209 |
} |
210 |
if (header) { |
211 |
cp = info; |
212 |
if (ofl & OF_MODIFIER || sop->reclen == 1) { |
213 |
sprintf(cp, "MODIFIER=%s\n", mname); |
214 |
while (*cp) ++cp; |
215 |
} |
216 |
if (ofl & OF_BIN) { |
217 |
sprintf(cp, "BIN=%d\n", bn); |
218 |
while (*cp) ++cp; |
219 |
} |
220 |
if (sop->yr > 0) { |
221 |
sprintf(cp, "NROWS=%d\n", sop->yr * |
222 |
(sop->xr + !sop->xr) ); |
223 |
while (*cp) ++cp; |
224 |
} |
225 |
sprintf(cp, "NCOLS=%d\nNCOMP=3\n", sop->reclen); |
226 |
printheader(sop->ofp, info); |
227 |
} |
228 |
printresolu(sop->ofp, sop->xr, sop->yr); |
229 |
if (waitflush > 0) |
230 |
fflush(sop->ofp); |
231 |
} |
232 |
sop->reclen += noopen; /* add to length if noopen */ |
233 |
return(sop); /* return output stream */ |
234 |
openerr: |
235 |
sprintf(errmsg, "cannot open '%s' for writing", oname); |
236 |
error(SYSTEM, errmsg); |
237 |
return(NULL); /* pro forma return */ |
238 |
} |
239 |
|
240 |
|
241 |
/* Get a vector from stdin */ |
242 |
int |
243 |
getvec(FVECT vec) |
244 |
{ |
245 |
float vf[3]; |
246 |
double vd[3]; |
247 |
char buf[32]; |
248 |
int i; |
249 |
|
250 |
switch (inpfmt) { |
251 |
case 'a': /* ascii */ |
252 |
for (i = 0; i < 3; i++) { |
253 |
if (fgetword(buf, sizeof(buf), stdin) == NULL || |
254 |
!isflt(buf)) |
255 |
return(-1); |
256 |
vec[i] = atof(buf); |
257 |
} |
258 |
break; |
259 |
case 'f': /* binary float */ |
260 |
if (fread((char *)vf, sizeof(float), 3, stdin) != 3) |
261 |
return(-1); |
262 |
VCOPY(vec, vf); |
263 |
break; |
264 |
case 'd': /* binary double */ |
265 |
if (fread((char *)vd, sizeof(double), 3, stdin) != 3) |
266 |
return(-1); |
267 |
VCOPY(vec, vd); |
268 |
break; |
269 |
default: |
270 |
error(CONSISTENCY, "botched input format"); |
271 |
} |
272 |
return(0); |
273 |
} |
274 |
|
275 |
|
276 |
/* Put out ray contribution to file */ |
277 |
static void |
278 |
put_contrib(const DCOLOR cnt, FILE *fout) |
279 |
{ |
280 |
double sf = 1; |
281 |
COLOR fv; |
282 |
COLR cv; |
283 |
|
284 |
if (accumulate > 1) |
285 |
sf = 1./(double)accumulate; |
286 |
switch (outfmt) { |
287 |
case 'a': |
288 |
if (accumulate > 1) |
289 |
fprintf(fout, "%.6e\t%.6e\t%.6e\t", |
290 |
sf*cnt[0], sf*cnt[1], sf*cnt[2]); |
291 |
else |
292 |
fprintf(fout, "%.6e\t%.6e\t%.6e\t", |
293 |
cnt[0], cnt[1], cnt[2]); |
294 |
break; |
295 |
case 'f': |
296 |
if (accumulate > 1) { |
297 |
copycolor(fv, cnt); |
298 |
scalecolor(fv, sf); |
299 |
} else |
300 |
copycolor(fv, cnt); |
301 |
fwrite(fv, sizeof(float), 3, fout); |
302 |
break; |
303 |
case 'd': |
304 |
if (accumulate > 1) { |
305 |
DCOLOR dv; |
306 |
copycolor(dv, cnt); |
307 |
scalecolor(dv, sf); |
308 |
fwrite(dv, sizeof(double), 3, fout); |
309 |
} else |
310 |
fwrite(cnt, sizeof(double), 3, fout); |
311 |
break; |
312 |
case 'c': |
313 |
if (accumulate > 1) |
314 |
setcolr(cv, sf*cnt[0], sf*cnt[1], sf*cnt[2]); |
315 |
else |
316 |
setcolr(cv, cnt[0], cnt[1], cnt[2]); |
317 |
fwrite(cv, sizeof(cv), 1, fout); |
318 |
break; |
319 |
default: |
320 |
error(INTERNAL, "botched output format"); |
321 |
} |
322 |
} |
323 |
|
324 |
|
325 |
/* Output modifier values to appropriate stream(s) */ |
326 |
void |
327 |
mod_output(MODCONT *mp) |
328 |
{ |
329 |
STREAMOUT *sop = getostream(mp->outspec, mp->modname, 0, 0); |
330 |
int j; |
331 |
|
332 |
put_contrib(mp->cbin[0], sop->ofp); |
333 |
if (mp->nbins > 3 && /* minor optimization */ |
334 |
sop == getostream(mp->outspec, mp->modname, 1, 0)) { |
335 |
for (j = 1; j < mp->nbins; j++) |
336 |
put_contrib(mp->cbin[j], sop->ofp); |
337 |
} else { |
338 |
for (j = 1; j < mp->nbins; j++) { |
339 |
sop = getostream(mp->outspec, mp->modname, j, 0); |
340 |
put_contrib(mp->cbin[j], sop->ofp); |
341 |
} |
342 |
} |
343 |
} |
344 |
|
345 |
|
346 |
/* callback to output newline to ASCII file and/or flush as requested */ |
347 |
static int |
348 |
puteol(const LUENT *e, void *p) |
349 |
{ |
350 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
351 |
|
352 |
if (outfmt == 'a') |
353 |
putc('\n', sop->ofp); |
354 |
if (!waitflush) |
355 |
fflush(sop->ofp); |
356 |
if (ferror(sop->ofp)) { |
357 |
sprintf(errmsg, "write error on file '%s'", e->key); |
358 |
error(SYSTEM, errmsg); |
359 |
} |
360 |
return(0); |
361 |
} |
362 |
|
363 |
|
364 |
/* Terminate record output and flush if time */ |
365 |
void |
366 |
end_record() |
367 |
{ |
368 |
--waitflush; |
369 |
lu_doall(&ofiletab, &puteol, NULL); |
370 |
if (using_stdout & (outfmt == 'a')) |
371 |
putc('\n', stdout); |
372 |
if (!waitflush) { |
373 |
waitflush = (yres > 0) & (xres > 1) ? 0 : xres; |
374 |
if (using_stdout) |
375 |
fflush(stdout); |
376 |
} |
377 |
} |
378 |
|
379 |
/************************** PARTIAL RESULTS RECOVERY ***********************/ |
380 |
|
381 |
/* Get ray contribution from previous file */ |
382 |
static int |
383 |
get_contrib(DCOLOR cnt, FILE *finp) |
384 |
{ |
385 |
COLOR fv; |
386 |
COLR cv; |
387 |
|
388 |
switch (outfmt) { |
389 |
case 'a': |
390 |
return(fscanf(finp,"%lf %lf %lf",&cnt[0],&cnt[1],&cnt[2]) == 3); |
391 |
case 'f': |
392 |
if (fread(fv, sizeof(fv[0]), 3, finp) != 3) |
393 |
return(0); |
394 |
copycolor(cnt, fv); |
395 |
return(1); |
396 |
case 'd': |
397 |
return(fread(cnt, sizeof(cnt[0]), 3, finp) == 3); |
398 |
case 'c': |
399 |
if (fread(cv, sizeof(cv), 1, finp) != 1) |
400 |
return(0); |
401 |
colr_color(fv, cv); |
402 |
copycolor(cnt, fv); |
403 |
return(1); |
404 |
default: |
405 |
error(INTERNAL, "botched output format"); |
406 |
} |
407 |
return(0); /* pro forma return */ |
408 |
} |
409 |
|
410 |
|
411 |
/* Close output file opened for input */ |
412 |
static int |
413 |
myclose(const LUENT *e, void *p) |
414 |
{ |
415 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
416 |
|
417 |
if (sop->ofp == NULL) |
418 |
return(0); |
419 |
fclose(sop->ofp); |
420 |
sop->ofp = NULL; |
421 |
return(0); |
422 |
} |
423 |
|
424 |
|
425 |
/* Load previously accumulated values */ |
426 |
void |
427 |
reload_output() |
428 |
{ |
429 |
int i, j; |
430 |
MODCONT *mp; |
431 |
int ofl; |
432 |
char oname[1024]; |
433 |
char *fmode = "rb"; |
434 |
char *outvfmt; |
435 |
LUENT *oent; |
436 |
int xr, yr; |
437 |
STREAMOUT sout; |
438 |
DCOLOR rgbv; |
439 |
|
440 |
if (outfmt == 'a') |
441 |
fmode = "r"; |
442 |
outvfmt = formstr(outfmt); |
443 |
/* reload modifier values */ |
444 |
for (i = 0; i < nmods; i++) { |
445 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data; |
446 |
if (mp->outspec == NULL) |
447 |
error(USER, "cannot reload from stdout"); |
448 |
if (mp->outspec[0] == '!') |
449 |
error(USER, "cannot reload from command"); |
450 |
for (j = 0; ; j++) { /* load each modifier bin */ |
451 |
ofl = ofname(oname, mp->outspec, mp->modname, j); |
452 |
if (ofl < 0) |
453 |
error(USER, "bad output file specification"); |
454 |
oent = lu_find(&ofiletab, oname); |
455 |
if (oent->data != NULL) { |
456 |
sout = *(STREAMOUT *)oent->data; |
457 |
} else { |
458 |
sout.reclen = 0; |
459 |
sout.outpipe = 0; |
460 |
sout.xr = xres; sout.yr = yres; |
461 |
sout.ofp = NULL; |
462 |
} |
463 |
if (sout.ofp == NULL) { /* open output as input */ |
464 |
sout.ofp = fopen(oname, fmode); |
465 |
if (sout.ofp == NULL) { |
466 |
if (j == mp->nbins) |
467 |
break; /* assume end of modifier */ |
468 |
sprintf(errmsg, "missing reload file '%s'", |
469 |
oname); |
470 |
error(WARNING, errmsg); |
471 |
break; |
472 |
} |
473 |
#ifdef getc_unlocked |
474 |
flockfile(sout.ofp); |
475 |
#endif |
476 |
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) { |
477 |
sprintf(errmsg, "format mismatch for '%s'", |
478 |
oname); |
479 |
error(USER, errmsg); |
480 |
} |
481 |
if ((sout.xr > 0) & (sout.yr > 0) && |
482 |
(!fscnresolu(&xr, &yr, sout.ofp) || |
483 |
(xr != sout.xr) | |
484 |
(yr != sout.yr))) { |
485 |
sprintf(errmsg, "resolution mismatch for '%s'", |
486 |
oname); |
487 |
error(USER, errmsg); |
488 |
} |
489 |
} |
490 |
/* read in RGB value */ |
491 |
if (!get_contrib(rgbv, sout.ofp)) { |
492 |
if (!j) { |
493 |
fclose(sout.ofp); |
494 |
break; /* ignore empty file */ |
495 |
} |
496 |
if (j < mp->nbins) { |
497 |
sprintf(errmsg, "missing data in '%s'", |
498 |
oname); |
499 |
error(USER, errmsg); |
500 |
} |
501 |
break; |
502 |
} |
503 |
if (j >= mp->nbins) { /* check modifier size */ |
504 |
sprintf(errmsg, |
505 |
"mismatched -bn setting for reloading '%s'", |
506 |
modname[i]); |
507 |
error(USER, errmsg); |
508 |
} |
509 |
|
510 |
copycolor(mp->cbin[j], rgbv); |
511 |
if (oent->key == NULL) /* new file entry */ |
512 |
oent->key = strcpy((char *) |
513 |
malloc(strlen(oname)+1), oname); |
514 |
if (oent->data == NULL) |
515 |
oent->data = (char *)malloc(sizeof(STREAMOUT)); |
516 |
*(STREAMOUT *)oent->data = sout; |
517 |
} |
518 |
} |
519 |
lu_doall(&ofiletab, &myclose, NULL); /* close all files */ |
520 |
} |
521 |
|
522 |
|
523 |
/* Seek on the given output file */ |
524 |
static int |
525 |
myseeko(const LUENT *e, void *p) |
526 |
{ |
527 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
528 |
off_t nbytes = *(off_t *)p; |
529 |
|
530 |
if (sop->reclen > 1) |
531 |
nbytes = nbytes * sop->reclen; |
532 |
if (fseeko(sop->ofp, nbytes, SEEK_CUR) < 0) { |
533 |
sprintf(errmsg, "seek error on file '%s'", e->key); |
534 |
error(SYSTEM, errmsg); |
535 |
} |
536 |
return(0); |
537 |
} |
538 |
|
539 |
|
540 |
/* Recover output if possible */ |
541 |
void |
542 |
recover_output() |
543 |
{ |
544 |
off_t lastout = -1; |
545 |
int outvsiz, recsiz; |
546 |
char *outvfmt; |
547 |
int i, j; |
548 |
MODCONT *mp; |
549 |
int ofl; |
550 |
char oname[1024]; |
551 |
LUENT *oent; |
552 |
STREAMOUT sout; |
553 |
off_t nvals; |
554 |
int xr, yr; |
555 |
|
556 |
switch (outfmt) { |
557 |
case 'a': |
558 |
error(USER, "cannot recover ASCII output"); |
559 |
return; |
560 |
case 'f': |
561 |
outvsiz = sizeof(float)*3; |
562 |
break; |
563 |
case 'd': |
564 |
outvsiz = sizeof(double)*3; |
565 |
break; |
566 |
case 'c': |
567 |
outvsiz = sizeof(COLR); |
568 |
break; |
569 |
default: |
570 |
error(INTERNAL, "botched output format"); |
571 |
return; |
572 |
} |
573 |
outvfmt = formstr(outfmt); |
574 |
/* check modifier outputs */ |
575 |
for (i = 0; i < nmods; i++) { |
576 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data; |
577 |
if (mp->outspec == NULL) |
578 |
error(USER, "cannot recover from stdout"); |
579 |
if (mp->outspec[0] == '!') |
580 |
error(USER, "cannot recover from command"); |
581 |
for (j = 0; ; j++) { /* check each bin's file */ |
582 |
ofl = ofname(oname, mp->outspec, mp->modname, j); |
583 |
if (ofl < 0) |
584 |
error(USER, "bad output file specification"); |
585 |
oent = lu_find(&ofiletab, oname); |
586 |
if (oent->data != NULL) { |
587 |
sout = *(STREAMOUT *)oent->data; |
588 |
} else { |
589 |
sout.reclen = 0; |
590 |
sout.outpipe = 0; |
591 |
sout.ofp = NULL; |
592 |
} |
593 |
if (sout.ofp != NULL) { /* already open? */ |
594 |
if (ofl & OF_BIN) |
595 |
continue; |
596 |
break; |
597 |
} |
598 |
/* open output */ |
599 |
sout.ofp = fopen(oname, "rb+"); |
600 |
if (sout.ofp == NULL) { |
601 |
if (j == mp->nbins) |
602 |
break; /* assume end of modifier */ |
603 |
sprintf(errmsg, "missing recover file '%s'", |
604 |
oname); |
605 |
error(WARNING, errmsg); |
606 |
break; |
607 |
} |
608 |
nvals = lseek(fileno(sout.ofp), 0, SEEK_END); |
609 |
if (nvals <= 0) { |
610 |
lastout = 0; /* empty output, quit here */ |
611 |
fclose(sout.ofp); |
612 |
break; |
613 |
} |
614 |
if (!sout.reclen) { |
615 |
if (!(ofl & OF_BIN)) { |
616 |
sprintf(errmsg, |
617 |
"need -bn to recover file '%s'", |
618 |
oname); |
619 |
error(USER, errmsg); |
620 |
} |
621 |
recsiz = outvsiz; |
622 |
} else |
623 |
recsiz = outvsiz * sout.reclen; |
624 |
|
625 |
lseek(fileno(sout.ofp), 0, SEEK_SET); |
626 |
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) { |
627 |
sprintf(errmsg, "format mismatch for '%s'", |
628 |
oname); |
629 |
error(USER, errmsg); |
630 |
} |
631 |
sout.xr = xres; sout.yr = yres; |
632 |
if ((sout.xr > 0) & (sout.yr > 0) && |
633 |
(!fscnresolu(&xr, &yr, sout.ofp) || |
634 |
(xr != sout.xr) | |
635 |
(yr != sout.yr))) { |
636 |
sprintf(errmsg, "resolution mismatch for '%s'", |
637 |
oname); |
638 |
error(USER, errmsg); |
639 |
} |
640 |
nvals = (nvals - (off_t)ftell(sout.ofp)) / recsiz; |
641 |
if ((lastout < 0) | (nvals < lastout)) |
642 |
lastout = nvals; |
643 |
if (oent->key == NULL) /* new entry */ |
644 |
oent->key = strcpy((char *) |
645 |
malloc(strlen(oname)+1), oname); |
646 |
if (oent->data == NULL) |
647 |
oent->data = (char *)malloc(sizeof(STREAMOUT)); |
648 |
*(STREAMOUT *)oent->data = sout; |
649 |
if (!(ofl & OF_BIN)) |
650 |
break; /* no bin separation */ |
651 |
} |
652 |
if (!lastout) { /* empty output */ |
653 |
error(WARNING, "no previous data to recover"); |
654 |
lu_done(&ofiletab); /* reclose all outputs */ |
655 |
return; |
656 |
} |
657 |
if (j > mp->nbins) { /* check modifier size */ |
658 |
sprintf(errmsg, |
659 |
"mismatched -bn setting for recovering '%s'", |
660 |
modname[i]); |
661 |
error(USER, errmsg); |
662 |
} |
663 |
} |
664 |
if (lastout < 0) { |
665 |
error(WARNING, "no output files to recover"); |
666 |
return; |
667 |
} |
668 |
if (raysleft && lastout >= raysleft/accumulate) { |
669 |
error(WARNING, "output appears to be complete"); |
670 |
/* XXX should read & discard input? */ |
671 |
quit(0); |
672 |
} |
673 |
/* seek on all files */ |
674 |
nvals = lastout * outvsiz; |
675 |
lu_doall(&ofiletab, &myseeko, &nvals); |
676 |
/* skip repeated input */ |
677 |
lastout *= accumulate; |
678 |
for (nvals = 0; nvals < lastout; nvals++) { |
679 |
FVECT vdummy; |
680 |
if (getvec(vdummy) < 0 || getvec(vdummy) < 0) |
681 |
error(USER, "unexpected EOF on input"); |
682 |
} |
683 |
lastray = lastdone = (RNUMBER)lastout; |
684 |
if (raysleft) |
685 |
raysleft -= lastray; |
686 |
} |