--- ray/doc/man/man1/mkillum.1	2010/09/03 23:53:49	1.10
+++ ray/doc/man/man1/mkillum.1	2013/08/11 02:57:49	1.12
@@ -1,4 +1,4 @@
-.\" RCSid "$Id: mkillum.1,v 1.10 2010/09/03 23:53:49 greg Exp $"
+.\" RCSid "$Id: mkillum.1,v 1.12 2013/08/11 02:57:49 greg Exp $"
 .TH MKILLUM 1 10/6/95 RADIANCE
 .SH NAME
 mkillum - compute illum sources for a RADIANCE scene
@@ -172,24 +172,6 @@ If
 is zero, then a diffuse source is assumed and no distribution is
 created.
 .TP
-.BI d =string
-Set the surface Bidirectional Scattering Distribution Function (BSDF)
-to the given file.
-The RADIANCE library path will be searched if the file does not begin
-with a '.' or '~' character.
-This file must contain an LBNL Window 6 XML specification of a valid
-BSDF for the given surface, and all rays will be interpreted through
-this function, which may be produced by the Radiance
-.I genBSDF(1)
-program.
-The orientation of the BSDF may be controlled with the
-.I u
-setting, described below.
-If this variable has no setting or an integer is specified,
-.I mkillum
-returns to the default behavior of computing the output distribution
-directly.
-.TP
 .BI s =integer
 Set the number of ray samples per direction to
 .I integer.
@@ -210,30 +192,6 @@ will use the material type "illum" with the input surf
 as its alternate material.
 The default is
 .I l-.
-.TP
-.BI u =[+|-]{X|Y|Z}
-The given axis will be considered "up" for the purposes of interpreting
-BSDF data specified with the
-.I d
-variable.
-The BSDF will be reoriented relative to the surface as necessary to keep
-the up vector in the vertical plane that contains this axis and the
-surface normal, corresponding to an azimuth of 90 degrees.
-The default up vector is +Z.
-.TP
-.BI t =real
-Set the surface thickness to
-.I real
-in world coordinates.
-This value is used for determining where to start rays that need to begin
-on the opposite side of a fenestration system, specifically
-to compute the incoming distribution for a BSDF computation.
-If the thickness is set to 0 and a BSDF contains detailed geometry,
-it will be translated and output as part of the new description, provided the
-.I l-
-option is also in effect.
-(This currently works only for rectangular polygons.)\0
-The default thickness is 0.
 .SH EXAMPLES
 The following command generates illum's corresponding to geometry
 in the files "it1.rad" and "it2.rad":