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root/Development/ray/src/util/rpiece.c

Comparing ray/src/util/rpiece.c (file contents):
Revision 2.30 by greg, Mon Apr 11 14:44:10 1994 UTC vs.
Revision 2.33 by gregl, Tue May 20 11:54:55 1997 UTC

#	Line 1 | Line 1
1	<	/* Copyright (c) 1993 Regents of the University of California */
1	>	/* Copyright (c) 1995 Regents of the University of California */
2
3		#ifndef lint
4		static char SCCSid[] = "$SunId$ LBL";
#	Line 69 | Line 69 | int  nforked = 0;
69
70		char  *progname;
71		int  verbose = 0;
72	+	unsigned  timelim = 0;
73		int  rvrlim = -1;
74
75		extern long  lseek(), ftell();
#	Line 120 | Line 121 | char  *argv[];
121		break;
122		pixaspect = atof(argv[i+1]);
123		continue;
124	+	case 'T':               /* time limit (hours) */
125	+	if (argv[i][2])
126	+	break;
127	+	timelim = atof(argv[++i])*3600. + .5;
128	+	break;
129		case 'x':               /* overall x resolution */
130		if (argv[i][2])
131		break;
#	Line 280 | Line 286 | char  **av;
286		exit(1);
287		}
288		signal(SIGALRM, onalrm);
289	+	if (timelim)
290	+	alarm(timelim);
291		return;
292		filerr:
293		fprintf(stderr, "%s: i/o error on file \"%s\"\n", progname, outfile);
#	Line 407 | Line 415 | rpiece()                       /* render picture piece by piece */
415		pview.horiz = ourview.horiz / hmult;
416		pview.vert = ourview.vert / vmult;
417		break;
418	+	case VT_CYL:
419	+	pview.horiz = ourview.horiz / hmult;
420	+	pview.vert = 2.*180./PI*atan(
421	+	tan(PI/180./2.*ourview.vert)/vmult );
422	+	break;
423		case VT_HEM:
424		pview.horiz = 2.*180./PI*asin(
425		sin(PI/180./2.*ourview.horiz)/hmult );
#	Line 420 | Line 433 | rpiece()                       /* render picture piece by piece */
433		}
434		/* render each piece */
435		while (nextpiece(&xorg, &yorg)) {
436	<	pview.hoff = ourview.hoff + xorg - 0.5*(hmult-1);
437	<	pview.voff = ourview.voff + yorg - 0.5*(vmult-1);
436	>	pview.hoff = ourview.hoff*hmult + xorg - 0.5*(hmult-1);
437	>	pview.voff = ourview.voff*vmult + yorg - 0.5*(vmult-1);
438		fputs(VIEWSTR, torp);
439		fprintview(&pview, torp);
440		putc('\n', torp);
#	Line 514 | Line 527 | int  xpos, ypos;
527		if (fcntl(outfd, F_SETLKW, &fls) < 0)
528		filerr("lock");
529		#endif
530	+	if (verbose) {                          /* notify caller */
531	+	printf("%d %d done\n", xpos, ypos);
532	+	fflush(stdout);
533	+	}
534		if (syncfp != NULL) {                   /* record what's been done */
535		sflock(F_WRLCK);
536		fseek(syncfp, 0L, 2);           /* append index */
#	Line 521 | Line 538 | int  xpos, ypos;
538		fflush(syncfp);
539		/*** Unlock not necessary, since
540		sflock(F_UNLCK);        _exit() or nextpiece() is next ***/
524	–	}
525	–	if (verbose) {                          /* notify caller */
526	–	printf("%d %d done\n", xpos, ypos);
527	–	fflush(stdout);
541		}
542		if (pid == -1)          /* didn't fork or fork failed */
543		return(0);

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