Index: trunk/doc/pslib/psLibSDRS.tex
===================================================================
--- trunk/doc/pslib/psLibSDRS.tex	(revision 4062)
+++ trunk/doc/pslib/psLibSDRS.tex	(revision 4064)
@@ -1,3 +1,3 @@
-%%% $Id: psLibSDRS.tex,v 1.240 2005-06-01 02:09:16 jhoblitt Exp $
+%%% $Id: psLibSDRS.tex,v 1.241 2005-06-01 04:10:25 jhoblitt Exp $
 \documentclass[panstarrs,spec]{panstarrs}
 
@@ -1461,6 +1461,9 @@
 typedef struct psImage {
     psType type;                        ///< image data type and dimension
-    const int ncols, nrows;             ///< size of image 
-    int col0, row0;                     ///< offset of image (relative to parent)
+    const psU32 numCols;                ///< Number of columns in image
+    const psU32 numRows;                ///< Number of rows in image.
+    const psS32 col0;                   ///< Column position relative to parent.
+    const psS32 row0;                   ///< Row position relative to parent.
+
     union {
         psS8  **S8;                     ///< Pointers to char data
@@ -1502,10 +1505,8 @@
 psS16, psU8, psU16, psF32, psF64, psC32, psC64}.
 
-\begin{prototype}
-psImage *psImageAlloc(psU32 width, psU32 height, psElemType type);
-psImage* psImageRecycle(psImage* old, int numCols, int numRows, const psElemType type);
-\end{prototype}
-
-\code{psImageAlloc} shall create an image of a specified \code{width}, \code{height}, and data
+\begin{verbatim}
+psImage *psImageAlloc(psU32 numCols, psU32 numRows, psElemType type);
+\end{verbatim}
+Create an image of a specified \code{numCols}, \code{numRows}, and data
 \code{type}.  This function must allow any of the valid image data
 types and not restrict to the valid FITS BITPIX types.  The image
@@ -1592,4 +1593,5 @@
 reducing the total number of elements of \code{array} as needed.
 Returns \code{TRUE} if any elements were removed, otherwise
+    const int x0, y0;                   ///< data region relative to parent 
 \code{FALSE}.
 
@@ -5915,5 +5917,5 @@
 
 \begin{prototype}
-float psGetAirmass(const psSphere *coord, psTime *lst, float height);
+float psGetAirmass(const psSphere *coord, psTime *lst, float altitude);
 \end{prototype}
 which returns the airmass for a given position and local sidereal time