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root/radiance/ray/src/rt/m_mist.c
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Comparing ray/src/rt/m_mist.c (file contents):
Revision 2.9 by gregl, Wed May 28 14:38:32 1997 UTC vs.
Revision 2.10 by greg, Sat Feb 22 02:07:28 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1995 Regents of the University of California */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ LBL";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   * Mist volumetric material.
6   */
7  
8 + /* ====================================================================
9 + * The Radiance Software License, Version 1.0
10 + *
11 + * Copyright (c) 1990 - 2002 The Regents of the University of California,
12 + * through Lawrence Berkeley National Laboratory.   All rights reserved.
13 + *
14 + * Redistribution and use in source and binary forms, with or without
15 + * modification, are permitted provided that the following conditions
16 + * are met:
17 + *
18 + * 1. Redistributions of source code must retain the above copyright
19 + *         notice, this list of conditions and the following disclaimer.
20 + *
21 + * 2. Redistributions in binary form must reproduce the above copyright
22 + *       notice, this list of conditions and the following disclaimer in
23 + *       the documentation and/or other materials provided with the
24 + *       distribution.
25 + *
26 + * 3. The end-user documentation included with the redistribution,
27 + *           if any, must include the following acknowledgment:
28 + *             "This product includes Radiance software
29 + *                 (http://radsite.lbl.gov/)
30 + *                 developed by the Lawrence Berkeley National Laboratory
31 + *               (http://www.lbl.gov/)."
32 + *       Alternately, this acknowledgment may appear in the software itself,
33 + *       if and wherever such third-party acknowledgments normally appear.
34 + *
35 + * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
36 + *       and "The Regents of the University of California" must
37 + *       not be used to endorse or promote products derived from this
38 + *       software without prior written permission. For written
39 + *       permission, please contact [email protected].
40 + *
41 + * 5. Products derived from this software may not be called "Radiance",
42 + *       nor may "Radiance" appear in their name, without prior written
43 + *       permission of Lawrence Berkeley National Laboratory.
44 + *
45 + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
46 + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
48 + * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
49 + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
50 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
51 + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
52 + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
53 + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
54 + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
55 + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56 + * SUCH DAMAGE.
57 + * ====================================================================
58 + *
59 + * This software consists of voluntary contributions made by many
60 + * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
61 + * information on Lawrence Berkeley National Laboratory, please see
62 + * <http://www.lbl.gov/>.
63 + */
64 +
65   #include  "ray.h"
66  
67   #include  "source.h"
# Line 50 | Line 104 | static char SCCSid[] = "$SunId$ LBL";
104  
105   #define RELAYDELIM      '>'             /* relay delimiter character */
106  
53 – extern COLOR  cextinction;              /* global coefficient of extinction */
54 – extern COLOR  salbedo;                  /* global scattering albedo */
55 – extern double  seccg;                   /* global scattering eccentricity */
107  
57 –
108   static int
109   inslist(sl, n)          /* return index of source n if it's in list sl */
110   register int  *sl;
# Line 91 | Line 141 | register char  *id;
141   }
142  
143  
144 < static
144 > static void
145   add2slist(r, sl)        /* add source list to ray's */
146   register RAY  *r;
147   register int  *sl;
# Line 113 | Line 163 | register int  *sl;
163   }
164  
165  
166 + int
167   m_mist(m, r)            /* process a ray entering or leaving some mist */
168   OBJREC  *m;
169   register RAY  *r;

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