Index: trunk/psastro/src/psastroWCS.c
===================================================================
--- trunk/psastro/src/psastroWCS.c	(revision 10600)
+++ trunk/psastro/src/psastroWCS.c	(revision 10613)
@@ -138,10 +138,10 @@
 	if (fpa->toSky == NULL) {
 	    // XXX for now, use the identity for TPA <--> FPA
-	    fpa->toTangentPlane = psPlaneDistortIdentity (1);
-	    fpa->fromTangentPlane = psPlaneDistortIdentity (1);
+	    fpa->toTPA = psPlaneDistortIdentity (1);
+	    fpa->fromTPA = psPlaneDistortIdentity (1);
 	    fpa->toSky = toSky;
 	} else {
-	    if (fpa->toTangentPlane == NULL) psAbort ("wcs", "projection defined, tangent-plane not defined");
-	    if (fpa->fromTangentPlane == NULL) psAbort ("wcs", "projection defined, tangent-plane not defined");
+	    if (fpa->toTPA == NULL) psAbort ("wcs", "projection defined, tangent-plane not defined");
+	    if (fpa->fromTPA == NULL) psAbort ("wcs", "projection defined, tangent-plane not defined");
 
 	    // adjust for common toSky for mosaic:
@@ -154,6 +154,6 @@
 	
 	    psPlaneTransformApply (fp, toFPA, chip); // find the focal-plane coordinate of this chip's 0,0 coordinate
-	    p_psDeproject (sky, fp, toSky); // find the RA,DEC coord of the focal-plane coordinate
-	    p_psProject (fp, sky, fpa->toSky); // find the focal-plane coord of this RA,DEC coord using the ref chip projection
+	    psDeproject (sky, fp, toSky); // find the RA,DEC coord of the focal-plane coordinate
+	    psProject (fp, sky, fpa->toSky); // find the focal-plane coord of this RA,DEC coord using the ref chip projection
 
 	    toFPA->x->coeff[0][0] = fp->x;