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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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* Convert view to beam list. |
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*/ |
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#include <string.h> |
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#include "rholo.h" |
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#include "view.h" |
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#include "random.h" |
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} |
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i = blist.nb++; /* else add beam to list */ |
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if (i % BALLOCBLK == 0) { |
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blist.bl = (PACKHEAD *)realloc((char *)blist.bl, |
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blist.bl = (PACKHEAD *)realloc((void *)blist.bl, |
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(i+BALLOCBLK)*sizeof(PACKHEAD)); |
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CHECK(blist.bl==NULL, SYSTEM, "out of memory in add2blist"); |
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} |
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} |
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int2 * |
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int16 * |
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viewbeams(vp, hr, vr, blp) /* convert view into sections/beams */ |
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VIEW *vp; |
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int hr, vr; |
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BEAMLIST *blp; |
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{ |
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static int2 sectlist[HDMAX+1]; |
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int2 sectarr[MINRES+1][MINRES+1]; |
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static int16 sectlist[HDMAX+1]; |
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int16 sectarr[MINRES+1][MINRES+1]; |
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double d0, d1, mindist; |
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GCOORD gc[2]; |
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FVECT rorg, rdir; |
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int v; |
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register int h, hd; |
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/* clear section flags */ |
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bzero((char *)sectlist, sizeof(sectlist)); |
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memset((char *)sectlist, '\0', sizeof(sectlist)); |
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/* identify view sections */ |
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for (v = 0; v <= MINRES; v++) |
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for (h = 0; h <= MINRES; h++) { |
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/* add samples */ |
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add2blist(hd, hdbindex(hdlist[hd],gc), sampquant); |
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} |
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copystruct(blp, &blist); /* transfer beam list */ |
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*blp = blist; /* transfer beam list */ |
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return(sectlist); /* all done! */ |
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} |
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