Index: trunk/ippScripts/scripts/warp_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/warp_skycell.pl	(revision 33053)
+++ trunk/ippScripts/scripts/warp_skycell.pl	(revision 34800)
@@ -128,4 +128,5 @@
 # Where do we get the astrometry source from?
 my $astromSource;               # The astrometry source
+my $doBackground;               # Do we want to make background models?
 {
     my $command = "$ppConfigDump -camera $camera -recipe PSWARP $recipe_pswarp -dump-recipe PSWARP -";
@@ -139,4 +140,5 @@
         &my_die("Unable to parse metadata config doc", $warp_id, $skycell_id, $tess_dir, $PS_EXIT_PROG_ERROR);
     $astromSource = metadataLookupStr($metadata, 'ASTROM.SOURCE');
+    $doBackground = metadataLookupBool($metadata, 'BACKGROUND.MODEL');    
 }
 
@@ -168,4 +170,8 @@
 if ($do_stats) {
     $outputStats = prepare_output ("SKYCELL.STATS", $outroot, $skycell_id, 1) if $do_stats;
+}
+my $outputBKGs;
+if ($doBackground) {
+    $outputBKGs = prepare_output ("PSWARP.OUTPUT.BKGMODEL", $outroot, $skycell_id, 1);
 }
 my $configuration;
@@ -209,5 +215,8 @@
 my ($weightFile, $weightName) = tempfile( "$tempOutRoot.weight.list.XXXX", UNLINK => !$save_temps);
 my ($astromFile, $astromName) = tempfile( "$tempOutRoot.astrom.list.XXXX", UNLINK => !$save_temps);
-
+my ($bkgFile, $bkgName);
+if ($doBackground) {
+    ($bkgFile, $bkgName) = tempfile( "$tempOutRoot.bkg.list.XXXX", UNLINK => !$save_temps);
+}
 my $wrote_astrom = 0;
 foreach my $imfile (@$imfiles) {
@@ -235,4 +244,9 @@
     print $maskFile   "$mask\n";
     print $weightFile "$weight\n";
+    my $bkg;
+    if ($doBackground) {
+	$bkg    = $ipprc->filename("PSPHOT.BACKMDL", $imfile->{chip_path_base}, $imfile->{class_id});
+	print $bkgFile "$bkg\n";
+    }
 
     if (!$wrote_astrom) {
@@ -245,5 +259,7 @@
 close $weightFile;
 close $astromFile;
-
+if ($doBackground) {
+    close($bkgFile);
+}
 # We need the recipe to determine if we care whether the PSF is generated or not
 my $recipe;
@@ -269,4 +285,5 @@
     $command .= " -variancelist $weightName";
     $command .= " -astromlist $astromName";
+    $command .= " -bkglist $bkgName" if ($doBackground);
     $command .= " $outroot $skyFile";
     $command .= " -F PSPHOT.PSF.SAVE PSPHOT.PSF.SKY.SAVE";