Index: trunk/ippTools/src/warptool.c
===================================================================
--- trunk/ippTools/src/warptool.c	(revision 15529)
+++ trunk/ippTools/src/warptool.c	(revision 15532)
@@ -943,4 +943,10 @@
     }
 
+    bool ignore = psMetadataLookupBool(&status, config->args, "-ignore");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -ignore");
+        return false;
+    }
+
     // default values
     psS16 code = psMetadataLookupS16(&status, config->args, "-code");
@@ -967,4 +973,5 @@
             bg_stdev,
             good_frac,
+            ignore,
             code
         )) {
Index: trunk/ippTools/src/warptoolConfig.c
===================================================================
--- trunk/ippTools/src/warptoolConfig.c	(revision 15529)
+++ trunk/ippTools/src/warptoolConfig.c	(revision 15532)
@@ -173,7 +173,8 @@
     psMetadataAddF64(addwarpedArgs, PS_LIST_TAIL, "-good_frac",  0,
             "define %% of good pixels", NAN);
+    psMetadataAddBool(addwarpedArgs, PS_LIST_TAIL, "-ignore",  0,
+            "define if this skycell should be ignored", false);
     psMetadataAddS16(addwarpedArgs, PS_LIST_TAIL, "-code",  0,
             "set fault code", 0);
-
 
     // -warped