Index: /branches/czw_branch/20160809/psastro/src/psastroFixChips.c
===================================================================
--- /branches/czw_branch/20160809/psastro/src/psastroFixChips.c	(revision 39754)
+++ /branches/czw_branch/20160809/psastro/src/psastroFixChips.c	(revision 39755)
@@ -306,4 +306,5 @@
         psRegion *region = pmChipPixels (obsChip);
         obsChip->toFPA   = toFPA;
+	// NOTE: when we call psPlaneTransformInvert here, we do not increase the order as in other places
         obsChip->fromFPA = psPlaneTransformInvert(NULL, obsChip->toFPA, *region, 50);
         psFree (region);
Index: /branches/czw_branch/20160809/psastro/src/psastroModelAdjust.c
===================================================================
--- /branches/czw_branch/20160809/psastro/src/psastroModelAdjust.c	(revision 39754)
+++ /branches/czw_branch/20160809/psastro/src/psastroModelAdjust.c	(revision 39755)
@@ -117,4 +117,5 @@
 
 	// invert the new fromFPA transform to get the new toFPA transform
+	// NOTE: when we call psPlaneTransformInvert here, we do not increase the order as in other places
 	psPlaneTransform *fromFPA = psPlaneTransformInvert(NULL, chip->toFPA, *region, 50);
 	psFree (chip->fromFPA);
@@ -138,4 +139,5 @@
 
     psFree (output->fpa->fromTPA);
+    // NOTE: when we call psPlaneTransformInvert here, we do not increase the order as in other places
     output->fpa->fromTPA = psPlaneTransformInvert(NULL, output->fpa->toTPA, *fpaRegion, 50);
 
@@ -185,4 +187,5 @@
 	// invert the new fromFPA transform to get the new toFPA transform
 	// the region used here is the region covered by the chip in the FPA
+	// NOTE: when we call psPlaneTransformInvert here, we do not increase the order as in other places
 	psPlaneTransform *fromFPA = psPlaneTransformInvert(NULL, chip->toFPA, *region, 50); 
 	psFree (chip->fromFPA);
Index: /branches/czw_branch/20160809/psastro/src/psastroMosaicAstrom.c
===================================================================
--- /branches/czw_branch/20160809/psastro/src/psastroMosaicAstrom.c	(revision 39754)
+++ /branches/czw_branch/20160809/psastro/src/psastroMosaicAstrom.c	(revision 39755)
@@ -282,5 +282,4 @@
     psFree (fpa->fromTPA);
     psPlaneTransform *myPT = psPlaneTransformAlloc(fpa->toTPA->x->nX+4, fpa->toTPA->x->nY+4);
-
     fpa->fromTPA = psPlaneTransformInvert (myPT, fpa->toTPA, fitRegion, 100);
     psFree (myPT);