Index: trunk/ippTools/src/difftool.c
===================================================================
--- trunk/ippTools/src/difftool.c	(revision 12025)
+++ trunk/ippTools/src/difftool.c	(revision 12029)
@@ -514,7 +514,7 @@
     }
 
-    psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
-    if (!status) {
-        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -bg_mean_stdev");
+    psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -bg_stdev");
         return false;
     }
@@ -529,5 +529,5 @@
             uri,
             bg,
-            bg_mean_stdev
+            bg_stdev
         )) {
         if (!psDBRollback(config->dbh)) {
Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 12025)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 12029)
@@ -124,5 +124,5 @@
     psMetadataAddF64(adddiffskyfileArgs, PS_LIST_TAIL, "-bg",  0,
             "define exposue background", NAN);
-    psMetadataAddF64(adddiffskyfileArgs, PS_LIST_TAIL, "-bg_mean_stdev",  0,
+    psMetadataAddF64(adddiffskyfileArgs, PS_LIST_TAIL, "-bg_stdev",  0,
             "define exposue background mean stdev", NAN);
  
Index: trunk/ippTools/src/stacktool.c
===================================================================
--- trunk/ippTools/src/stacktool.c	(revision 12025)
+++ trunk/ippTools/src/stacktool.c	(revision 12029)
@@ -509,7 +509,7 @@
     }
 
-    psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
-    if (!status) {
-        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -bg_mean_stdev");
+    psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -bg_stdev");
         return false;
     }
@@ -527,5 +527,5 @@
             uri,
             bg,
-            bg_mean_stdev
+            bg_stdev
         )) {
         if (!psDBRollback(config->dbh)) {
Index: trunk/ippTools/src/stacktoolConfig.c
===================================================================
--- trunk/ippTools/src/stacktoolConfig.c	(revision 12025)
+++ trunk/ippTools/src/stacktoolConfig.c	(revision 12029)
@@ -113,5 +113,5 @@
     psMetadataAddF64(addsumskyfileArgs, PS_LIST_TAIL, "-bg",  0,
             "define exposue background", NAN);
-    psMetadataAddF64(addsumskyfileArgs, PS_LIST_TAIL, "-bg_mean_stdev",  0,
+    psMetadataAddF64(addsumskyfileArgs, PS_LIST_TAIL, "-bg_stdev",  0,
             "define exposue background mean stdev", NAN);
 
Index: trunk/ippTools/src/warptool.c
===================================================================
--- trunk/ippTools/src/warptool.c	(revision 12025)
+++ trunk/ippTools/src/warptool.c	(revision 12029)
@@ -887,7 +887,7 @@
     }
 
-    psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
-    if (!status) {
-        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -bg_mean_stdev");
+    psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -bg_stdev");
         return false;
     }
@@ -907,5 +907,5 @@
             uri,
             bg,
-            bg_mean_stdev
+            bg_stdev
         )) {
         if (!psDBRollback(config->dbh)) {
Index: trunk/ippTools/src/warptoolConfig.c
===================================================================
--- trunk/ippTools/src/warptoolConfig.c	(revision 12025)
+++ trunk/ippTools/src/warptoolConfig.c	(revision 12029)
@@ -155,6 +155,6 @@
     psMetadataAddF64(addwarpedArgs, PS_LIST_TAIL, "-bg",  0,
             "define exposue background", NAN);
-    psMetadataAddF64(addwarpedArgs, PS_LIST_TAIL, "-bg_mean_stdev",  0,
-            "define exposue background mean stdev", NAN);
+    psMetadataAddF64(addwarpedArgs, PS_LIST_TAIL, "-bg_stdev",  0,
+            "define exposue background stdev", NAN);
  
     // -warped