Index: /branches/pap_magic/ippScripts/scripts/magic_tree.pl
===================================================================
--- /branches/pap_magic/ippScripts/scripts/magic_tree.pl	(revision 24146)
+++ /branches/pap_magic/ippScripts/scripts/magic_tree.pl	(revision 24147)
@@ -73,31 +73,4 @@
 my $mdcParser = PS::IPP::Metadata::Config->new; # Parser for metadata config files
 
-### Get a list of warpSkyfiles
-### This is a workaround to allow processing with older diffSkyfiles that don't have
-### a wcs. If warp_id is provided, we get the wcs from there
-my %warpSkyfiles;                   # hash of warps
-if ($warp_id) {
-    my $command = "$warptool -warped -warp_id $warp_id"; # Command to run
-    $command .= " -dbname $dbname" if defined $dbname;
-    my ( $success, $error_code, $full_buf, $stdout_buf, $stderr_buf ) =
-        run(command => $command, verbose => $verbose);
-    unless ($success) {
-        $error_code = (($error_code >> 8) or $PS_EXIT_PROG_ERROR);
-        &my_die("Unable to perform warptool -warped: $error_code", $magic_id, $error_code);
-    }
-
-    my $metadata = $mdcParser->parse(join "", @$stdout_buf) or
-        &my_die("Unable to parse metadata config doc", $magic_id, $PS_EXIT_PROG_ERROR);
-
-    my $warps = parse_md_list($metadata) or
-        &my_die("Unable to parse metadata list", $magic_id, $PS_EXIT_PROG_ERROR);
-
-    # make a hash indexed by skycell_id
-    foreach my $warp ( @$warps ) {
-        my $skycell_id = $warp->{skycell_id};
-        die "failed to lookup skycell_id from warp" if !$skycell_id;
-        $warpSkyfiles{$skycell_id} = $warp;
-    }
-}
 ### Get a list of skycells
 my @skycells;                   # List of skycells
@@ -126,29 +99,9 @@
 my @fields;
 foreach my $input ( @skycells ) {
-    # the filename method doesn't add the $skycell_id
-
-    # my $skyfile = $ipprc->filename("SKYCELL.TEMPLATE", $outroot, $skycell_id );
-    #my $skyfile = $ipprc->filename("SKYCELL.TEMPLATE", $outroot, $skycell_id );
-
-#    my $skycellBase = "$outroot/$skycell_id";
-#    my $skyfile = $ipprc->filename("SKYCELL.TEMPLATE", $skycellBase);
-#    $ipprc->skycell_file($tess_id, $skycell_id, $skyfile, $verbose) or &my_die("Unable to generate skycells $skycell_id", $magic_id, $PS_EXIT_PROG_ERROR);
-
-    my $skyfile;
-    my $skycell_id = $input->{node};
-    if ($warp_id) {
-        # Applying the workaround
-        my $warp = $warpSkyfiles{$skycell_id};
-        die "warpSkyfile for $skycell_id not found" if !$warp;
-        my $skyfileBase = $warp->{path_base};
-        $skyfile = $ipprc->filename("SKYCELL.TEMPLATE", $skyfileBase);
-    } else {
-        # using the diffSkyfile
-        $skyfile = $input->{uri};
-    }
-    my $skyfileResolved = $ipprc->file_resolve( $skyfile );
-
-#    my ($header, $status) = Astro::FITS::CFITSIO::fits_read_header( $skyfileResolved );
-#    &my_die("Unable to read skycell header: $status", $magic_id, $PS_EXIT_SYS_ERROR) if $status;
+    # We use the WCS in the diff image
+    my $name = $input->{inverse} ? "PPSUB.INVERSE" : "PPSUB.OUTPUT"; # Name of file
+    my $skycell_id = $input->{node}; # Name of skycell
+    my $skyfile = $ipprc->filename($name, $input->{path_base}, $skycell_id); # Filename for diff
+    my $skyfileResolved = $ipprc->file_resolve( $skyfile ); # Resolved filename
 
     my ($header, $status) = (undef, 0);
@@ -162,5 +115,4 @@
 
     # Get the useful header keywords
-#    my $naxis1 = $$header{'NAXIS1'} or &my_die("Can't find NAXIS1", $magic_id, $PS_EXIT_SYS_ERROR);
     my $naxis1 = $$header{'NAXIS1'};
     my $naxis2;