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/* Copyright (c) 1999 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Radiance holodeck picture generator |
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*/ |
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#include "rholo.h" |
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#include "view.h" |
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#include "resolu.h" |
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char *progname; /* our program name */ |
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char *hdkfile; /* holodeck file name */ |
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char gargc; /* global argc */ |
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char **gargv; /* global argv */ |
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VIEW myview = STDVIEW; /* current output view */ |
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int xres = 512, yres = 512; /* max. horizontal and vertical resolution */ |
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char *outspec = NULL; /* output file specification */ |
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double randfrac = -1.; /* random resampling fraction */ |
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double pixaspect = 1.; /* pixel aspect ratio */ |
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int seqstart = 0; /* sequence start frame */ |
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double expval = 1.; /* exposure value */ |
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{ |
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int i, rval; |
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gargc = argc; gargv = argv; |
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progname = argv[0]; /* get arguments */ |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
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rval = getviewopt(&myview, argc-i, argv+i); |
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goto userr; |
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outspec = argv[++i]; |
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break; |
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case 'r': /* random sampling */ |
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if (badarg(argc-i-1,argv+i+1,"f")) |
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goto userr; |
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randfrac = atof(argv[++i]); |
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break; |
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case 's': /* smooth sampling */ |
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randfrac = -1.; |
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break; |
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case 'S': /* sequence start */ |
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if (badarg(argc-i-1,argv+i+1,"i")) |
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goto userr; |
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quit(0); /* all done! */ |
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userr: |
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fprintf(stderr, |
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"Usage: %s [-w][-pa pa][-pe ex][-x hr][-y vr][-S stfn][-o outp][view] input.hdk\n", |
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"Usage: %s [-w][-r rf][-pa pa][-pe ex][-x hr][-y vr][-S stfn][-o outp][view] input.hdk\n", |
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progname); |
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quit(1); |
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} |
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/* render image */ |
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if (blist.nb > 0) { |
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render_frame(blist.bl, blist.nb); |
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free((char *)blist.bl); |
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free((void *)blist.bl); |
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} else { |
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sprintf(errmsg, "no section visible in frame %d", fn); |
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error(WARNING, errmsg); |
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bil[i].b = bl[i].bi; |
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} |
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hdloadbeams(bil, nb, pixBeam); |
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pixFlush(); |
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free((char *)bil); |
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pixFinish(randfrac); |
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free((void *)bil); |
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} |
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/* write header */ |
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newheader("RADIANCE", stdout); |
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printf("SOFTWARE= %s\n", VersionID); |
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printf("%s %s\n", progname, hdkfile); |
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printargs(gargc, gargv, stdout); |
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if (fn) |
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printf("FRAME=%d\n", fn); |
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fputs(VIEWSTR, stdout); |
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fd = dup(fileno(fp)); /* dup file descriptor */ |
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fclose(fp); /* done with stdio */ |
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for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
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lseek(fd, (long)nextloc, 0); |
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lseek(fd, (off_t)nextloc, 0); |
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read(fd, (char *)&nextloc, sizeof(nextloc)); |
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hdinit(fd, NULL); |
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} |
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} |
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void |
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eputs(s) /* put error message to stderr */ |
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register char *s; |
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{ |
