Index: trunk/ippTools/share/bgtool_towarp.sql
===================================================================
--- trunk/ippTools/share/bgtool_towarp.sql	(revision 35122)
+++ trunk/ippTools/share/bgtool_towarp.sql	(revision 35134)
@@ -24,3 +24,3 @@
     AND (Label.active OR Label.active IS NULL)
 -- WHERE hook %s
-ORDER BY priority DESC, chip_bg_id
+ORDER BY priority DESC, warp_bg_id, skycell_id
Index: trunk/ippTools/share/bgtool_warp.sql
===================================================================
--- trunk/ippTools/share/bgtool_warp.sql	(revision 35122)
+++ trunk/ippTools/share/bgtool_warp.sql	(revision 35134)
@@ -4,4 +4,5 @@
     warpBackgroundRun.workdir,
     warpBackgroundRun.label,
+    warpBackgroundRun.alt_cam_label,
     rawExp.exp_id,
     rawExp.exp_name,
Index: trunk/ippTools/share/pxadmin_create_tables.sql
===================================================================
--- trunk/ippTools/share/pxadmin_create_tables.sql	(revision 35122)
+++ trunk/ippTools/share/pxadmin_create_tables.sql	(revision 35134)
@@ -1843,5 +1843,6 @@
     data_group VARCHAR(64),           -- group for data
     dist_group VARCHAR(64),           -- group for distribution
-    reduction VARCHAR(64),    -- reduction class (for altering recipe)
+    reduction VARCHAR(64),            -- reduction class (for altering recipe)
+    alt_cam_label VARCHAR(64),        -- label for alternate version of astrometry (optional)
     note VARCHAR(255),        -- note
     registered TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- time run was registered
Index: trunk/ippTools/src/bgtool.c
===================================================================
--- trunk/ippTools/src/bgtool.c	(revision 35122)
+++ trunk/ippTools/src/bgtool.c	(revision 35134)
@@ -1310,4 +1310,5 @@
     PXOPT_LOOKUP_STR(dist_group, config->args, "-set_dist_group", false, false);
     PXOPT_LOOKUP_STR(reduction, config->args, "-set_reduction", false, false);
+    PXOPT_LOOKUP_STR(alt_cam_label, config->args, "-set_alt_cam_label", false, false);
     PXOPT_LOOKUP_STR(note, config->args, "-set_note", false, false);
     PXOPT_LOOKUP_TIME(registered, config->args, "-registered", false, false);
@@ -1424,4 +1425,5 @@
                                      dist_group  ? dist_group : row->dist_group,
                                      reduction   ? reduction  : row->reduction,
+                                     alt_cam_label,
                                      note        ? note       : row->note,
                                      NULL, 0)) {
Index: trunk/ippTools/src/bgtoolConfig.c
===================================================================
--- trunk/ippTools/src/bgtoolConfig.c	(revision 35122)
+++ trunk/ippTools/src/bgtoolConfig.c	(revision 35134)
@@ -285,4 +285,5 @@
     psMetadataAddStr(definewarpArgs, PS_LIST_TAIL, "-set_label", 0, "define label", NULL);
     psMetadataAddStr(definewarpArgs, PS_LIST_TAIL, "-set_reduction", 0, "define reduction class", NULL);
+    psMetadataAddStr(definewarpArgs, PS_LIST_TAIL, "-set_alt_cam_label", 0, "define alternate astrometry sources", NULL);
     psMetadataAddStr(definewarpArgs, PS_LIST_TAIL, "-set_data_group", 0, "define data group", NULL);
     psMetadataAddStr(definewarpArgs, PS_LIST_TAIL, "-set_dist_group", 0, "define dist group", NULL);