1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: rc2.c,v 2.8 2013/08/07 05:10:09 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 |
|
143 |
if (ospec == NULL) { /* use stdout? */ |
144 |
if (!noopen & !using_stdout) { |
145 |
if (outfmt != 'a') |
146 |
SET_FILE_BINARY(stdout); |
147 |
if (header) { |
148 |
sprintf(info, "NCOLS=%d\n", stdos.reclen); |
149 |
printheader(stdout, info); |
150 |
} |
151 |
printresolu(stdout, xres, yres); |
152 |
if (waitflush > 0) |
153 |
fflush(stdout); |
154 |
stdos.xr = xres; stdos.yr = yres; |
155 |
#ifdef getc_unlocked |
156 |
flockfile(stdout); /* avoid lock/unlock overhead */ |
157 |
#endif |
158 |
using_stdout = 1; |
159 |
} |
160 |
stdos.ofp = stdout; |
161 |
stdos.reclen += noopen; |
162 |
return(&stdos); |
163 |
} |
164 |
ofl = ofname(oname, ospec, mname, bn); /* get output name */ |
165 |
if (ofl < 0) { |
166 |
sprintf(errmsg, "bad output format '%s'", ospec); |
167 |
error(USER, errmsg); |
168 |
} |
169 |
lep = lu_find(&ofiletab, oname); /* look it up */ |
170 |
if (lep->key == NULL) /* new entry */ |
171 |
lep->key = strcpy((char *)malloc(strlen(oname)+1), oname); |
172 |
sop = (STREAMOUT *)lep->data; |
173 |
if (sop == NULL) { /* allocate stream */ |
174 |
sop = (STREAMOUT *)malloc(sizeof(STREAMOUT)); |
175 |
if (sop == NULL) |
176 |
error(SYSTEM, "out of memory in getostream"); |
177 |
sop->outpipe = oname[0] == '!'; |
178 |
sop->reclen = 0; |
179 |
sop->ofp = NULL; /* open iff noopen==0 */ |
180 |
sop->xr = xres; sop->yr = yres; |
181 |
lep->data = (char *)sop; |
182 |
if (!sop->outpipe & !force_open & !recover && |
183 |
access(oname, F_OK) == 0) { |
184 |
errno = EEXIST; /* file exists */ |
185 |
goto openerr; |
186 |
} |
187 |
} |
188 |
if (!noopen && sop->ofp == NULL) { /* open output stream */ |
189 |
if (oname[0] == '!') /* output to command */ |
190 |
sop->ofp = popen(oname+1, "w"); |
191 |
else /* else open file */ |
192 |
sop->ofp = fopen(oname, "w"); |
193 |
if (sop->ofp == NULL) |
194 |
goto openerr; |
195 |
if (outfmt != 'a') |
196 |
SET_FILE_BINARY(sop->ofp); |
197 |
#ifdef getc_unlocked |
198 |
flockfile(sop->ofp); /* avoid lock/unlock overhead */ |
199 |
#endif |
200 |
if (header) { |
201 |
char *cp = info; |
202 |
if (ofl & OF_MODIFIER || sop->reclen == 1) { |
203 |
sprintf(cp, "MODIFIER=%s\n", mname); |
204 |
while (*cp) ++cp; |
205 |
} |
206 |
if (ofl & OF_BIN) { |
207 |
sprintf(cp, "BIN=%d\n", bn); |
208 |
while (*cp) ++cp; |
209 |
} |
210 |
sprintf(cp, "NCOLS=%d\n", sop->reclen); |
211 |
printheader(sop->ofp, info); |
212 |
} |
213 |
if (accumulate > 0) { /* global resolution */ |
214 |
sop->xr = xres; sop->yr = yres; |
215 |
} |
216 |
printresolu(sop->ofp, sop->xr, sop->yr); |
217 |
if (waitflush > 0) |
218 |
fflush(sop->ofp); |
219 |
} |
220 |
sop->reclen += noopen; /* add to length if noopen */ |
221 |
return(sop); /* return output stream */ |
222 |
openerr: |
223 |
sprintf(errmsg, "cannot open '%s' for writing", oname); |
224 |
error(SYSTEM, errmsg); |
225 |
return(NULL); /* pro forma return */ |
226 |
} |
227 |
|
228 |
|
229 |
/* Get a vector from stdin */ |
230 |
int |
231 |
getvec(FVECT vec) |
232 |
{ |
233 |
float vf[3]; |
234 |
double vd[3]; |
235 |
char buf[32]; |
236 |
int i; |
237 |
|
238 |
switch (inpfmt) { |
239 |
case 'a': /* ascii */ |
240 |
for (i = 0; i < 3; i++) { |
241 |
if (fgetword(buf, sizeof(buf), stdin) == NULL || |
242 |
!isflt(buf)) |
243 |
return(-1); |
244 |
vec[i] = atof(buf); |
245 |
} |
246 |
break; |
247 |
case 'f': /* binary float */ |
248 |
if (fread((char *)vf, sizeof(float), 3, stdin) != 3) |
249 |
return(-1); |
250 |
VCOPY(vec, vf); |
251 |
break; |
252 |
case 'd': /* binary double */ |
253 |
if (fread((char *)vd, sizeof(double), 3, stdin) != 3) |
254 |
return(-1); |
255 |
VCOPY(vec, vd); |
256 |
break; |
257 |
default: |
258 |
error(CONSISTENCY, "botched input format"); |
259 |
} |
260 |
return(0); |
261 |
} |
262 |
|
263 |
|
264 |
/* Put out ray contribution to file */ |
265 |
static void |
266 |
put_contrib(const DCOLOR cnt, FILE *fout) |
267 |
{ |
268 |
double sf = 1; |
269 |
COLOR fv; |
270 |
COLR cv; |
271 |
|
272 |
if (accumulate > 1) |
273 |
sf = 1./(double)accumulate; |
274 |
switch (outfmt) { |
275 |
case 'a': |
276 |
if (accumulate > 1) |
277 |
fprintf(fout, "%.6e\t%.6e\t%.6e\t", |
278 |
sf*cnt[0], sf*cnt[1], sf*cnt[2]); |
279 |
else |
280 |
fprintf(fout, "%.6e\t%.6e\t%.6e\t", |
281 |
cnt[0], cnt[1], cnt[2]); |
282 |
break; |
283 |
case 'f': |
284 |
if (accumulate > 1) { |
285 |
copycolor(fv, cnt); |
286 |
scalecolor(fv, sf); |
287 |
} else |
288 |
copycolor(fv, cnt); |
289 |
fwrite(fv, sizeof(float), 3, fout); |
290 |
break; |
291 |
case 'd': |
292 |
if (accumulate > 1) { |
293 |
DCOLOR dv; |
294 |
copycolor(dv, cnt); |
295 |
scalecolor(dv, sf); |
296 |
fwrite(dv, sizeof(double), 3, fout); |
297 |
} else |
298 |
fwrite(cnt, sizeof(double), 3, fout); |
299 |
break; |
300 |
case 'c': |
301 |
if (accumulate > 1) |
302 |
setcolr(cv, sf*cnt[0], sf*cnt[1], sf*cnt[2]); |
303 |
else |
304 |
setcolr(cv, cnt[0], cnt[1], cnt[2]); |
305 |
fwrite(cv, sizeof(cv), 1, fout); |
306 |
break; |
307 |
default: |
308 |
error(INTERNAL, "botched output format"); |
309 |
} |
310 |
} |
311 |
|
312 |
|
313 |
/* Output modifier values to appropriate stream(s) */ |
314 |
void |
315 |
mod_output(MODCONT *mp) |
316 |
{ |
317 |
STREAMOUT *sop = getostream(mp->outspec, mp->modname, 0, 0); |
318 |
int j; |
319 |
|
320 |
put_contrib(mp->cbin[0], sop->ofp); |
321 |
if (mp->nbins > 3 && /* minor optimization */ |
322 |
sop == getostream(mp->outspec, mp->modname, 1, 0)) { |
323 |
for (j = 1; j < mp->nbins; j++) |
324 |
put_contrib(mp->cbin[j], sop->ofp); |
325 |
} else { |
326 |
for (j = 1; j < mp->nbins; j++) { |
327 |
sop = getostream(mp->outspec, mp->modname, j, 0); |
328 |
put_contrib(mp->cbin[j], sop->ofp); |
329 |
} |
330 |
} |
331 |
} |
332 |
|
333 |
|
334 |
/* callback to output newline to ASCII file and/or flush as requested */ |
335 |
static int |
336 |
puteol(const LUENT *e, void *p) |
337 |
{ |
338 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
339 |
|
340 |
if (outfmt == 'a') |
341 |
putc('\n', sop->ofp); |
342 |
if (!waitflush) |
343 |
fflush(sop->ofp); |
344 |
if (ferror(sop->ofp)) { |
345 |
sprintf(errmsg, "write error on file '%s'", e->key); |
346 |
error(SYSTEM, errmsg); |
347 |
} |
348 |
return(0); |
349 |
} |
350 |
|
351 |
|
352 |
/* Terminate record output and flush if time */ |
353 |
void |
354 |
end_record() |
355 |
{ |
356 |
--waitflush; |
357 |
lu_doall(&ofiletab, &puteol, NULL); |
358 |
if (using_stdout & (outfmt == 'a')) |
359 |
putc('\n', stdout); |
360 |
if (!waitflush) { |
361 |
waitflush = (yres > 0) & (xres > 1) ? 0 : xres; |
362 |
if (using_stdout) |
363 |
fflush(stdout); |
364 |
} |
365 |
} |
366 |
|
367 |
/************************** PARTIAL RESULTS RECOVERY ***********************/ |
368 |
|
369 |
/* Get ray contribution from previous file */ |
370 |
static int |
371 |
get_contrib(DCOLOR cnt, FILE *finp) |
372 |
{ |
373 |
COLOR fv; |
374 |
COLR cv; |
375 |
|
376 |
switch (outfmt) { |
377 |
case 'a': |
378 |
return(fscanf(finp,"%lf %lf %lf",&cnt[0],&cnt[1],&cnt[2]) == 3); |
379 |
case 'f': |
380 |
if (fread(fv, sizeof(fv[0]), 3, finp) != 3) |
381 |
return(0); |
382 |
copycolor(cnt, fv); |
383 |
return(1); |
384 |
case 'd': |
385 |
return(fread(cnt, sizeof(cnt[0]), 3, finp) == 3); |
386 |
case 'c': |
387 |
if (fread(cv, sizeof(cv), 1, finp) != 1) |
388 |
return(0); |
389 |
colr_color(fv, cv); |
390 |
copycolor(cnt, fv); |
391 |
return(1); |
392 |
default: |
393 |
error(INTERNAL, "botched output format"); |
394 |
} |
395 |
return(0); /* pro forma return */ |
396 |
} |
397 |
|
398 |
|
399 |
/* Close output file opened for input */ |
400 |
static int |
401 |
myclose(const LUENT *e, void *p) |
402 |
{ |
403 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
404 |
|
405 |
if (sop->ofp == NULL) |
406 |
return(0); |
407 |
fclose(sop->ofp); |
408 |
sop->ofp = NULL; |
409 |
return(0); |
410 |
} |
411 |
|
412 |
|
413 |
/* Load previously accumulated values */ |
414 |
void |
415 |
reload_output() |
416 |
{ |
417 |
int i, j; |
418 |
MODCONT *mp; |
419 |
int ofl; |
420 |
char oname[1024]; |
421 |
char *fmode = "rb"; |
422 |
char *outvfmt; |
423 |
LUENT *oent; |
424 |
int xr, yr; |
425 |
STREAMOUT sout; |
426 |
DCOLOR rgbv; |
427 |
|
428 |
if (outfmt == 'a') |
429 |
fmode = "r"; |
430 |
outvfmt = formstr(outfmt); |
431 |
/* reload modifier values */ |
432 |
for (i = 0; i < nmods; i++) { |
433 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data; |
434 |
if (mp->outspec == NULL) |
435 |
error(USER, "cannot reload from stdout"); |
436 |
if (mp->outspec[0] == '!') |
437 |
error(USER, "cannot reload from command"); |
438 |
for (j = 0; ; j++) { /* load each modifier bin */ |
439 |
ofl = ofname(oname, mp->outspec, mp->modname, j); |
440 |
if (ofl < 0) |
441 |
error(USER, "bad output file specification"); |
442 |
oent = lu_find(&ofiletab, oname); |
443 |
if (oent->data != NULL) { |
444 |
sout = *(STREAMOUT *)oent->data; |
445 |
} else { |
446 |
sout.reclen = 0; |
447 |
sout.outpipe = 0; |
448 |
sout.xr = xres; sout.yr = yres; |
449 |
sout.ofp = NULL; |
450 |
} |
451 |
if (sout.ofp == NULL) { /* open output as input */ |
452 |
sout.ofp = fopen(oname, fmode); |
453 |
if (sout.ofp == NULL) { |
454 |
if (j == mp->nbins) |
455 |
break; /* assume end of modifier */ |
456 |
sprintf(errmsg, "missing reload file '%s'", |
457 |
oname); |
458 |
error(WARNING, errmsg); |
459 |
break; |
460 |
} |
461 |
#ifdef getc_unlocked |
462 |
flockfile(sout.ofp); |
463 |
#endif |
464 |
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) { |
465 |
sprintf(errmsg, "format mismatch for '%s'", |
466 |
oname); |
467 |
error(USER, errmsg); |
468 |
} |
469 |
if ((sout.xr > 0) & (sout.yr > 0) && |
470 |
(!fscnresolu(&xr, &yr, sout.ofp) || |
471 |
(xr != sout.xr) | |
472 |
(yr != sout.yr))) { |
473 |
sprintf(errmsg, "resolution mismatch for '%s'", |
474 |
oname); |
475 |
error(USER, errmsg); |
476 |
} |
477 |
} |
478 |
/* read in RGB value */ |
479 |
if (!get_contrib(rgbv, sout.ofp)) { |
480 |
if (!j) { |
481 |
fclose(sout.ofp); |
482 |
break; /* ignore empty file */ |
483 |
} |
484 |
if (j < mp->nbins) { |
485 |
sprintf(errmsg, "missing data in '%s'", |
486 |
oname); |
487 |
error(USER, errmsg); |
488 |
} |
489 |
break; |
490 |
} |
491 |
if (j >= mp->nbins) { /* check modifier size */ |
492 |
sprintf(errmsg, |
493 |
"mismatched -bn setting for reloading '%s'", |
494 |
modname[i]); |
495 |
error(USER, errmsg); |
496 |
} |
497 |
|
498 |
copycolor(mp->cbin[j], rgbv); |
499 |
if (oent->key == NULL) /* new file entry */ |
500 |
oent->key = strcpy((char *) |
501 |
malloc(strlen(oname)+1), oname); |
502 |
if (oent->data == NULL) |
503 |
oent->data = (char *)malloc(sizeof(STREAMOUT)); |
504 |
*(STREAMOUT *)oent->data = sout; |
505 |
} |
506 |
} |
507 |
lu_doall(&ofiletab, &myclose, NULL); /* close all files */ |
508 |
} |
509 |
|
510 |
|
511 |
/* Seek on the given output file */ |
512 |
static int |
513 |
myseeko(const LUENT *e, void *p) |
514 |
{ |
515 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
516 |
off_t nbytes = *(off_t *)p; |
517 |
|
518 |
if (sop->reclen > 1) |
519 |
nbytes = nbytes * sop->reclen; |
520 |
if (fseeko(sop->ofp, nbytes, SEEK_CUR) < 0) { |
521 |
sprintf(errmsg, "seek error on file '%s'", e->key); |
522 |
error(SYSTEM, errmsg); |
523 |
} |
524 |
return(0); |
525 |
} |
526 |
|
527 |
|
528 |
/* Recover output if possible */ |
529 |
void |
530 |
recover_output() |
531 |
{ |
532 |
off_t lastout = -1; |
533 |
int outvsiz, recsiz; |
534 |
char *outvfmt; |
535 |
int i, j; |
536 |
MODCONT *mp; |
537 |
int ofl; |
538 |
char oname[1024]; |
539 |
LUENT *oent; |
540 |
STREAMOUT sout; |
541 |
off_t nvals; |
542 |
int xr, yr; |
543 |
|
544 |
switch (outfmt) { |
545 |
case 'a': |
546 |
error(USER, "cannot recover ASCII output"); |
547 |
return; |
548 |
case 'f': |
549 |
outvsiz = sizeof(float)*3; |
550 |
break; |
551 |
case 'd': |
552 |
outvsiz = sizeof(double)*3; |
553 |
break; |
554 |
case 'c': |
555 |
outvsiz = sizeof(COLR); |
556 |
break; |
557 |
default: |
558 |
error(INTERNAL, "botched output format"); |
559 |
return; |
560 |
} |
561 |
outvfmt = formstr(outfmt); |
562 |
/* check modifier outputs */ |
563 |
for (i = 0; i < nmods; i++) { |
564 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data; |
565 |
if (mp->outspec == NULL) |
566 |
error(USER, "cannot recover from stdout"); |
567 |
if (mp->outspec[0] == '!') |
568 |
error(USER, "cannot recover from command"); |
569 |
for (j = 0; ; j++) { /* check each bin's file */ |
570 |
ofl = ofname(oname, mp->outspec, mp->modname, j); |
571 |
if (ofl < 0) |
572 |
error(USER, "bad output file specification"); |
573 |
oent = lu_find(&ofiletab, oname); |
574 |
if (oent->data != NULL) { |
575 |
sout = *(STREAMOUT *)oent->data; |
576 |
} else { |
577 |
sout.reclen = 0; |
578 |
sout.outpipe = 0; |
579 |
sout.ofp = NULL; |
580 |
} |
581 |
if (sout.ofp != NULL) { /* already open? */ |
582 |
if (ofl & OF_BIN) |
583 |
continue; |
584 |
break; |
585 |
} |
586 |
/* open output */ |
587 |
sout.ofp = fopen(oname, "rb+"); |
588 |
if (sout.ofp == NULL) { |
589 |
if (j == mp->nbins) |
590 |
break; /* assume end of modifier */ |
591 |
sprintf(errmsg, "missing recover file '%s'", |
592 |
oname); |
593 |
error(WARNING, errmsg); |
594 |
break; |
595 |
} |
596 |
nvals = lseek(fileno(sout.ofp), 0, SEEK_END); |
597 |
if (nvals <= 0) { |
598 |
lastout = 0; /* empty output, quit here */ |
599 |
fclose(sout.ofp); |
600 |
break; |
601 |
} |
602 |
if (!sout.reclen) { |
603 |
if (!(ofl & OF_BIN)) { |
604 |
sprintf(errmsg, |
605 |
"need -bn to recover file '%s'", |
606 |
oname); |
607 |
error(USER, errmsg); |
608 |
} |
609 |
recsiz = outvsiz; |
610 |
} else |
611 |
recsiz = outvsiz * sout.reclen; |
612 |
|
613 |
lseek(fileno(sout.ofp), 0, SEEK_SET); |
614 |
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) { |
615 |
sprintf(errmsg, "format mismatch for '%s'", |
616 |
oname); |
617 |
error(USER, errmsg); |
618 |
} |
619 |
sout.xr = xres; sout.yr = yres; |
620 |
if ((sout.xr > 0) & (sout.yr > 0) && |
621 |
(!fscnresolu(&xr, &yr, sout.ofp) || |
622 |
(xr != sout.xr) | |
623 |
(yr != sout.yr))) { |
624 |
sprintf(errmsg, "resolution mismatch for '%s'", |
625 |
oname); |
626 |
error(USER, errmsg); |
627 |
} |
628 |
nvals = (nvals - (off_t)ftell(sout.ofp)) / recsiz; |
629 |
if ((lastout < 0) | (nvals < lastout)) |
630 |
lastout = nvals; |
631 |
if (oent->key == NULL) /* new entry */ |
632 |
oent->key = strcpy((char *) |
633 |
malloc(strlen(oname)+1), oname); |
634 |
if (oent->data == NULL) |
635 |
oent->data = (char *)malloc(sizeof(STREAMOUT)); |
636 |
*(STREAMOUT *)oent->data = sout; |
637 |
if (!(ofl & OF_BIN)) |
638 |
break; /* no bin separation */ |
639 |
} |
640 |
if (!lastout) { /* empty output */ |
641 |
error(WARNING, "no previous data to recover"); |
642 |
lu_done(&ofiletab); /* reclose all outputs */ |
643 |
return; |
644 |
} |
645 |
if (j > mp->nbins) { /* check modifier size */ |
646 |
sprintf(errmsg, |
647 |
"mismatched -bn setting for recovering '%s'", |
648 |
modname[i]); |
649 |
error(USER, errmsg); |
650 |
} |
651 |
} |
652 |
if (lastout < 0) { |
653 |
error(WARNING, "no output files to recover"); |
654 |
return; |
655 |
} |
656 |
if (raysleft && lastout >= raysleft/accumulate) { |
657 |
error(WARNING, "output appears to be complete"); |
658 |
/* XXX should read & discard input? */ |
659 |
quit(0); |
660 |
} |
661 |
/* seek on all files */ |
662 |
nvals = lastout * outvsiz; |
663 |
lu_doall(&ofiletab, &myseeko, &nvals); |
664 |
/* skip repeated input */ |
665 |
lastout *= accumulate; |
666 |
for (nvals = 0; nvals < lastout; nvals++) { |
667 |
FVECT vdummy; |
668 |
if (getvec(vdummy) < 0 || getvec(vdummy) < 0) |
669 |
error(USER, "unexpected EOF on input"); |
670 |
} |
671 |
lastray = lastdone = (RNUMBER)lastout; |
672 |
if (raysleft) |
673 |
raysleft -= lastray; |
674 |
} |