Index: /trunk/psModules/src/astrom/pmAstrometryRegions.c
===================================================================
--- /trunk/psModules/src/astrom/pmAstrometryRegions.c	(revision 15893)
+++ /trunk/psModules/src/astrom/pmAstrometryRegions.c	(revision 15894)
@@ -4,6 +4,6 @@
  *
  *  @author EAM, IfA
- *  @version $Revision: 1.3 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-04-01 03:10:12 $
+ *  @version $Revision: 1.4 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-12-22 17:51:48 $
  *
  *  Copyright 2006 Institute for Astronomy, University of Hawaii
@@ -43,5 +43,7 @@
 
     PS_ASSERT_PTR_NON_NULL(chip, NULL);
-    PS_ASSERT_PTR_NON_NULL(chip->toFPA, NULL);
+
+    // if we have not astrometry for this chip, just skip it silently (no error)
+    if (!chip->toFPA) return NULL;
 
     // determine the bounding box of this chip in chip pixels