Index: trunk/psastro/src/psastro.h
===================================================================
--- trunk/psastro/src/psastro.h	(revision 19049)
+++ trunk/psastro/src/psastro.h	(revision 19314)
@@ -55,5 +55,9 @@
 
 // mosaic fitting functions
-bool 		  psastroMosaicGradients (pmFPA *fpa, psMetadata *recipe);
+bool 		  psastroMosaicDistortion (pmFPA *fpa, psMetadata *recipe);
+psPlaneTransform *psastroMosaicFitRotAndScale (pmFPA *fpa);
+bool              psastroMosaicApplyRotAndScale (pmFPA *fpa, psPlaneTransform *TPtoFP);
+bool 		  psastroMosaicDistortionFromGradients (pmFPA *fpa, psMetadata *recipe);
+bool              psastroMosaicCorrectDistortion (pmFPA *fpa, psPlaneTransform *TPtoFP);
 bool 		  psastroMosaicCommonScale (pmFPA *fpa, psMetadata *recipe);
 bool 		  psastroMosaicAstrom (pmConfig *config);