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/* Copyright (c) 1998 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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* Get general information on holodeck file |
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*/ |
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#include "holo.h" |
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#include "platform.h" |
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#ifndef NHBINS |
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#define NHBINS 12 /* number of histogram bins to use for stats */ |
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char *fname; |
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FILE *fout; |
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{ |
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extern long ftell(); |
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FILE *fp; |
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HOLO *hdsect; |
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int fd; |
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int4 nextloc; |
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int32 nextloc; |
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int n; |
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/* open holodeck file */ |
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if ((fp = fopen(fname, "r")) == NULL) { |
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nextloc = ftell(fp); /* get stdio position */ |
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fclose(fp); /* done with stdio */ |
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for (n = 0; nextloc > 0L; n++) { /* get the section(s) */ |
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lseek(fd, (long)nextloc, 0); |
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lseek(fd, (off_t)nextloc, SEEK_SET); |
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read(fd, (char *)&nextloc, sizeof(nextloc)); |
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fprintf(fout, "Section %d:\n", n); |
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hdsect = hdinit(fd, NULL); /* load section directory */ |
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{ |
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int scount[NHBINS]; |
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int minsamp = 10000, maxsamp = 0; |
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FVECT vt; |
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double sqrtmaxp; |
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int bmin, bmax, cnt; |
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register int i; |
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fcross(vt, hp->xv[0], hp->xv[1]); |
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fprintf(fp, "\tWorld volume: %g\n", fabs(DOT(vt,hp->xv[2]))); |
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fprintf(fp, "\tGrid resolution: %d x %d x %d\n", |
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hp->grid[0], hp->grid[1], hp->grid[2]); |
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fprintf(fp, "\tNumber of beams: %ld\n", (long)nbeams(hp)); |
