Index: trunk/doc/modules/ModulesSDRS.tex
===================================================================
--- trunk/doc/modules/ModulesSDRS.tex	(revision 2072)
+++ trunk/doc/modules/ModulesSDRS.tex	(revision 2191)
@@ -1,3 +1,3 @@
-%%% $Id: ModulesSDRS.tex,v 1.18 2004-10-13 02:38:13 eugene Exp $
+%%% $Id: ModulesSDRS.tex,v 1.19 2004-10-22 00:19:43 price Exp $
 \documentclass[panstarrs]{panstarrs}
 
@@ -168,5 +168,7 @@
 the vector shall subsequently be binned into bins that are a relative
 size of \code{nBin} compared to the original pixels, again using the
-specified statistic (\code{stat}).
+specified statistic (\code{stat}).  If \code{fit} is
+\code{PM_FIT_SPLINE}, then \code{nBin} also serves as the number of
+spline pieces.
 
 \code{fit} is an enumerated type:
@@ -187,5 +189,8 @@
 shall (after reduction of the vector and binning) be fit using the
 specified functional form.  Upon return, the \code{fitSpec} shall
-contain the coefficients of the overscan fit.
+contain the coefficients of the overscan fit.  If \code{fit} is
+\code{PM_FIT_SPLINE}, then the \code{fitSpec} may be \code{NULL},
+in which case a new \code{psSpline} is allocated; in any case, the
+number of spline pieces shall be set to \code{nBin}.
 
 If the overscan is not defined for each row/column, then the function