Index: trunk/ippconfig/recipes/psphot.config
===================================================================
--- trunk/ippconfig/recipes/psphot.config	(revision 28051)
+++ trunk/ippconfig/recipes/psphot.config	(revision 28063)
@@ -343,4 +343,5 @@
 DIFF	METADATA
   OUTPUT.FORMAT		STR   PS1_DV1
+  INTERPOLATE_AP        BOOL  TRUE
 END