@@ -659,7 +659,7 @@ 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:
P(theta) = (1 - g*g) / (1 + g*g - 2*g*cos(theta))^1.5 @@ -1365,8 +1365,6 @@ A mixfunc mixes two modifiers procedurally. It i which serves as a form of opacity control when used with a material.) Vname is the coefficient defined in funcfile that determines the influence of foreground. The background coefficient is always (1-vname). - Since the references are not resolved until run-time, the last definitions of the modifier id's will be used. - This can result in modifier loops, which are detected by the renderer.@@ -1528,10 +1526,8 @@ If no file is needed by a given primitive because all the required 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, -although such expressions should be kept -simple if possible. -Also, functions (requiring parameters) must be given +of a straight variable name in a scene file. +Functions (requiring parameters) must be given as names and not as expressions.
@@ -1749,7 +1745,7 @@ or converted a standard image format using one of the
The Radiance Software License, Version 1.0 -Copyright (c) 1990 - 2002 The Regents of the University of California, +Copyright (c) 1990 - 2010 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 @@ -1822,19 +1818,24 @@ Ecole Polytechnique Federale de Lausanne (EPFL Unive