Index: trunk/psLib/src/astronomy/psCoord.h
===================================================================
--- trunk/psLib/src/astronomy/psCoord.h	(revision 2425)
+++ trunk/psLib/src/astronomy/psCoord.h	(revision 2600)
@@ -8,8 +8,8 @@
 *  @ingroup CoordinateTransform
 *
-*  @author George Gusciora, MHPCC
-*
-*  @version $Revision: 1.19 $ $Name: not supported by cvs2svn $
-*  @date $Date: 2004-11-24 19:48:17 $
+*  @author GLG, MHPCC
+*
+*  @version $Revision: 1.20 $ $Name: not supported by cvs2svn $
+*  @date $Date: 2004-12-02 21:12:51 $
 *
 *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -107,8 +107,8 @@
 typedef struct
 {
-    double sinPhi;              ///< sin of North Pole lattitude
-    double cosPhi;              ///< cos of North Pole lattitude
-    double Xo;                  ///< First PT of Ares lon
-    double xo;                  ///< First PT of Ares equiv lon
+    double cosDeltaP;                 ///< Cosine of target pole latitude in the source system
+    double sinDeltaP;                 ///< Sine of target pole latitude in the source system
+    double alphaP;                    ///< Longitude of the target system pole in the source system
+    double phiP;                      ///< Longitude of the ascending node in the target system
 }
 psSphereTransform;
@@ -216,8 +216,9 @@
  *  @return psSphereTransform*         newly allocated struct
  */
+
 psSphereTransform* psSphereTransformAlloc(
-    double NPlat,                      ///< north pole latitude
-    double Xo,                         ///< First PT of Ares lon
-    double xo                          ///< First PT of Ares equiv lon
+    double alphaP,                      ///< north pole latitude
+    double deltaP,                      ///< north pole longitude?
+    double phiP                         ///< defines the longitude in the input system of the equatorial intersection between the two systems (e.g, the first point of Ares).
 );
 
