Index: trunk/psLib/src/fits/psFitsScale.h
===================================================================
--- trunk/psLib/src/fits/psFitsScale.h	(revision 21183)
+++ trunk/psLib/src/fits/psFitsScale.h	(revision 30636)
@@ -10,4 +10,5 @@
 bool psFitsScaleDetermine(double *bscale, ///< Scaling, to return
                           double *bzero, ///< Zero point, to return
+			  double *boffset, ///< Log offset, to return
                           long *blank,  ///< Blank value, to return
                           const psImage *image, ///< Image to scale
@@ -27,7 +28,10 @@
                             double bscale, ///< Scaling
                             double bzero, ///< Zero point
+			    double boffset, ///< Log offset
                             psRandom *rng ///< Random number generator (for the "fuzz"), or NULL
     );
-
+psImage *psFitsScaleFromDisk(const psImage *image, ///< Image to to unapply BOFFSET
+			     double boffset        ///< Log offset
+			     );
 /// Interpret a string as a scaling method
 psFitsScaling psFitsScalingFromString(const char *string ///< String to interpret