Index: /tags/ipp-20100823/ippScripts/scripts/automate_stacks.pl
===================================================================
--- /tags/ipp-20100823/ippScripts/scripts/automate_stacks.pl	(revision 29266)
+++ /tags/ipp-20100823/ippScripts/scripts/automate_stacks.pl	(revision 29267)
@@ -1341,5 +1341,8 @@
 		my $template_exp_id = ${ $template_warp }[0];
 		
-		my $cmd = "$difftool -dbname $dbname  -definewarpwarp  -input_label $label  -template_label $label  -timediff 3600  -set_workdir $workdir  -set_dist_group $dist_group  -set_data_group $data_group ";
+		my $cmd = "$difftool -dbname $dbname  -definewarpwarp ";
+		$cmd .= "-input_label $label  -template_label $label ";
+		$cmd .= "-backwards "; # Needed because difftool assumes a different date sorting.
+		$cmd .= "-set_workdir $workdir  -set_dist_group $dist_group  -set_data_group $data_group ";
 		$cmd .= " -simple  -set_label $label -exp_id $input_exp_id -template_exp_id $template_exp_id ";
 #		$cmd .= " -pretend ";