--- ray/doc/ray.1 2007/08/23 04:13:50 1.13 +++ ray/doc/ray.1 2010/03/12 18:34:43 1.15 @@ -1,8 +1,8 @@ .\" RCSid "$Id" .\" Print using the -ms macro package -.DA 10/17/2006 +.DA 4/30/2008 .LP -.tl """Copyright \(co 2006 Regents, University of California +.tl """Copyright \(co 2008 Regents, University of California .sp 2 .TL The @@ -491,7 +491,7 @@ a perfectly scattering medium (no absorption). The scattering eccentricity parameter will likewise override the global setting if it is present. Scattering eccentricity indicates how much scattered light favors the -forward direction, as fit by the Heyney-Greenstein function: +forward direction, as fit by the Henyey-Greenstein function: .DS P(theta) = (1 - g*g) / (1 + g*g - 2*g*cos(theta))^1.5 .DE @@ -1236,7 +1236,7 @@ variables are global, a period (`.') can be given in place of the file name. It is also possible to give an expression instead of a straight variable name in a scene file. -Also, functions (requiring parameters) +Functions (requiring parameters) must be given as names and not as expressions. .PP Constant expressions are used as an optimization in function @@ -1428,7 +1428,7 @@ License .DS The Radiance Software License, Version 1.0 -Copyright (c) 1990 - 2002 The Regents of the University of California, +Copyright (c) 1990 - 2008 The Regents of the University of California, through Lawrence Berkeley National Laboratory. All rights reserved. Redistribution and use in source and binary forms, with or without