Index: trunk/psastro/src/psastro.h
===================================================================
--- trunk/psastro/src/psastro.h	(revision 10438)
+++ trunk/psastro/src/psastro.h	(revision 10513)
@@ -43,6 +43,7 @@
 
 bool              pmAstromReadWCS (pmFPA *fpa, pmChip *chip, psMetadata *header, double plateScale, bool isMosaic);
-bool              pmAstromWriteWCS (psPlaneTransform *toFPA, psProjection *toSky, psMetadata *header, double plateScale);
+bool              pmAstromWriteWCS (psPlaneTransform *toFPA, psPlaneDistort *toTPA, psProjection *toSky, psMetadata *header, double plateScale);
 psPlaneDistort   *psPlaneDistortIdentity ();
+bool psPlaneDistortIsIdentity (psPlaneDistort *distort);
 
 psArray          *psastroLoadRefstars (pmConfig *config);