X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/4237ed0cf20c0db1beb664d88be242130c854da8..7ae6e279d071fb3facc32dbc5e1154aee20ca35b:/cookbooks/imagery/recipes/gb_os_sv.rb

diff --git a/cookbooks/imagery/recipes/gb_os_sv.rb b/cookbooks/imagery/recipes/gb_os_sv.rb
index c6fa2b8c9..8c3ccf160 100644
--- a/cookbooks/imagery/recipes/gb_os_sv.rb
+++ b/cookbooks/imagery/recipes/gb_os_sv.rb
@@ -43,12 +43,13 @@ end
 
 imagery_site "os.openstreetmap.org" do
   title "OpenStreetMap - Ordnance Survey OpenData - Street View"
-  aliases ["os.openstreetmap.org.uk"]
+  aliases ["os.osm.org","os.openstreetmap.org.uk"]
   bbox [[49.85, -10.5], [58.75, 1.9]]
 end
 
 imagery_layer "gb_os_sv_2010_04" do
   site "os.openstreetmap.org"
+  title "April 2010"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2010-04-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2010" # FIXME: Correct Copyright?
@@ -59,6 +60,7 @@ end
 
 imagery_layer "gb_os_sv_2010_11" do
   site "os.openstreetmap.org"
+  title "November 2010"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2010-11-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2010" # FIXME: Correct Copyright?
@@ -69,6 +71,7 @@ end
 
 imagery_layer "gb_os_sv_2011_05" do
   site "os.openstreetmap.org"
+  title "May 2011"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2011-05-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011" # FIXME: Correct Copyright?
@@ -79,6 +82,7 @@ end
 
 imagery_layer "gb_os_sv_2011_11" do
   site "os.openstreetmap.org"
+  title "November 2011"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2011-11-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011" # FIXME: Correct Copyright?
@@ -89,6 +93,7 @@ end
 
 imagery_layer "gb_os_sv_2012_05" do
   site "os.openstreetmap.org"
+  title "May 2012"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2012-05-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
@@ -99,6 +104,7 @@ end
 
 imagery_layer "gb_os_sv_2012_11" do
   site "os.openstreetmap.org"
+  title "November 2012"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2012-11-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
@@ -109,6 +115,7 @@ end
 
 imagery_layer "gb_os_sv_2013_05" do
   site "os.openstreetmap.org"
+  title "May 2013"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2013-05-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -119,6 +126,7 @@ end
 
 imagery_layer "gb_os_sv_2013_11" do
   site "os.openstreetmap.org"
+  title "November 2013"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2013-11-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -129,6 +137,7 @@ end
 
 imagery_layer "gb_os_sv_2014_04" do
   site "os.openstreetmap.org"
+  title "April 2014"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2014-04-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -139,6 +148,7 @@ end
 
 imagery_layer "gb_os_sv_2014_10" do
   site "os.openstreetmap.org"
+  title "October 2014"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2014-10-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -149,6 +159,7 @@ end
 
 imagery_layer "gb_os_sv_2015_05" do
   site "os.openstreetmap.org"
+  title "May 2015"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2015-05-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -159,7 +170,7 @@ end
 
 imagery_layer "gb_os_sv_2015_11" do
   site "os.openstreetmap.org"
-  root_layer true
+  title "November 2015"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2015-11-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -170,7 +181,8 @@ end
 
 imagery_layer "gb_os_sv_2016_04" do
   site "os.openstreetmap.org"
-  root_layer true
+  title "April 2016"
+  default_layer true
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-2016-04-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -179,9 +191,11 @@ imagery_layer "gb_os_sv_2016_04" do
   url_aliases ["/sv-2016-04", "/sv"] # Add "/sv" to current edition for backward compatibility
 end
 
-# Diff layers
+# ======= Diff layers =======
+
 imagery_layer "gb_os_sv_diff_2010_04_2010_11" do
   site "os.openstreetmap.org"
+  title "Changes April 2010 to November 2010"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2010-11-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2010"
@@ -192,6 +206,7 @@ end
 
 imagery_layer "gb_os_sv_diff_2010_04_2011_05" do
   site "os.openstreetmap.org"
+  title "Changes April 2010 to May 2011"
   projection "EPSG:27700"
   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2011-05-combined.vrt"
   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
@@ -200,309 +215,340 @@ imagery_layer "gb_os_sv_diff_2010_04_2011_05" do
   overlay true
 end
 
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2011_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2011-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2011-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2012_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2012-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2012-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2012_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2012-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2012-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2013_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2013-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2013-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2013_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2013-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2013-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2014_04" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2014-04-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2014-04"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2014_10" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2014-10-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2014-10"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2015_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2015-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2015-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2015_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2015-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2015-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_04_2016_04" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2016-04-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-04-2016-04"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2011_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2011-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2011-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2011_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2011-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2011-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2012_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2012-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2012-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2012_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2012-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2012-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2013_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2013-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2013-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2013_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2013-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2013-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2014_04" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2014-04-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2014-04"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2014_10" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2014-10-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2014-10"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2015_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2015-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2015-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2015_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2015-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2015-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2010_11_2016_04" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2016-04-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2010-11-2016-04"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2011_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2011-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2011-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2012_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2012-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2012-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2012_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2012-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2012-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2013_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2013-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2013-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2013_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2013-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2013-11"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2014_04" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2014-04-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2014-04"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2014_10" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2014-10-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2014-10"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2015_05" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2015-05-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2015-05"]
-#   overlay true
-# end
-#
-# imagery_layer "gb_os_sv_diff_2011_05_2015_11" do
-#   site "os.openstreetmap.org"
-#   projection "EPSG:27700"
-#   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2015-11-combined.vrt"
-#   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
-#   extension "os_sv_diff_png"
-#   url_aliases ["/sv-diff-2011-05-2015-11"]
-#   overlay true
-# end
-#
+imagery_layer "gb_os_sv_diff_2010_04_2011_11" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to November 2011"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2011-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2011-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2012_05" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to May 2012"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2012-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2012-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2012_11" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to November 2012"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2012-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2012-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2013_05" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to May 2013"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2013-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2013-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2013_11" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to November 2013"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2013-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2013-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2014_04" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to April 2014"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2014-04-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2014-04"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2014_10" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to October 2014"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2014-10-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2014-10"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2015_05" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to May 2015"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2015-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2015-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2015_11" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to November 2015"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2015-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2015-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_04_2016_04" do
+  site "os.openstreetmap.org"
+  title "Changes April 2010 to April 2016"
+  default_layer true
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-04-2016-04-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-04-2016-04"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2011_05" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to May 2011"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2011-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2011-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2011_11" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to November 2011"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2011-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2011-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2012_05" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to May 2012"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2012-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2012-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2012_11" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to November 2012"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2012-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2012-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2013_05" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to May 2013"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2013-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2013-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2013_11" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to November 2013"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2013-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2013-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2014_04" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to April 2014"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2014-04-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2014-04"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2014_10" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to October 2014"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2014-10-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2014-10"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2015_05" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to May 2015"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2015-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2015-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2015_11" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to November 2015"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2015-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2015-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2010_11_2016_04" do
+  site "os.openstreetmap.org"
+  title "Changes November 2010 to April 2016"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2010-11-2016-04-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2010-11-2016-04"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2011_11" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to November 2011"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2011-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2011-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2012_05" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to May 2012"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2012-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2012-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2012_11" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to November 2012"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2012-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2012-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2013_05" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to May 2013"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2013-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2013-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2013_11" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to November 2013"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2013-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2013-11"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2014_04" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to April 2014"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2014-04-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2014-04"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2014_10" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to October 2014"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2014-10-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2014-10"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2015_05" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to May 2015"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2015-05-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2015-05"]
+  overlay true
+end
+
+imagery_layer "gb_os_sv_diff_2011_05_2015_11" do
+  site "os.openstreetmap.org"
+  title "Changes May 2011 to November 2015"
+  projection "EPSG:27700"
+  source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2015-11-combined.vrt"
+  copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
+  extension "os_sv_diff_png"
+  url_aliases ["/sv-diff-2011-05-2015-11"]
+  overlay true
+end
+
 # imagery_layer "gb_os_sv_diff_2011_05_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2011 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-05-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -513,6 +559,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2012_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to May 2012"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2012-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
@@ -523,6 +570,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2012_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to November 2012"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2012-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
@@ -533,6 +581,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2013_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to May 2013"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2013-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -543,6 +592,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2013_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to November 2013"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2013-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -553,6 +603,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2014_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to April 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2014-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -563,6 +614,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2014_10" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to October 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2014-10-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2011"
@@ -573,6 +625,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2015_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to May 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2015-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -583,6 +636,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -593,6 +647,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2011_11_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2011 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2011-11-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -603,6 +658,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2012_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to November 2012"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2012-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2012"
@@ -613,6 +669,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2013_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to May 2013"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2013-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -623,6 +680,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2013_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to November 2013"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2013-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -633,6 +691,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2014_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to April 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2014-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -643,6 +702,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2014_10" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to October 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2014-10-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -653,6 +713,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2015_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to May 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2015-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -663,6 +724,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -673,6 +735,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_05_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2012 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-05-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -683,6 +746,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_11_2013_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2012 to May 2013"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-11-2013-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -693,6 +757,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_11_2013_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2012 to November 2013"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-11-2013-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -703,6 +768,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_11_2014_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2012 to April 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-11-2014-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -713,6 +779,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_11_2014_10" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2012 to October 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-11-2014-10-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -723,6 +790,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_11_2015_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2012 to May 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-11-2015-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -733,6 +801,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_11_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2012 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-11-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -743,6 +812,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2012_11_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2012 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2012-11-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -753,6 +823,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_05_2013_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2013 to November 2013"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-05-2013-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2013"
@@ -763,6 +834,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_05_2014_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2013 to April 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-05-2014-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -773,6 +845,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_05_2014_10" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2013 to October 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-05-2014-10-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -783,6 +856,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_05_2015_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2013 to May 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-05-2015-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -793,6 +867,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_05_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2013 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-05-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -803,6 +878,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_05_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2013 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-05-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -813,6 +889,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_11_2014_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2013 to April 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-11-2014-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -823,6 +900,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_11_2014_10" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2013 to October 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-11-2014-10-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -833,6 +911,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_11_2015_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2013 to May 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-11-2015-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -843,6 +922,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_11_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2013 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-11-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -853,6 +933,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2013_11_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2013 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2013-11-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -863,6 +944,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2014_04_2014_10" do
 #   site "os.openstreetmap.org"
+#   title "Changes April 2014 to October 2014"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2014-04-2014-10-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2014"
@@ -873,6 +955,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2014_04_2015_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes April 2014 to May 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2014-04-2015-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -883,6 +966,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2014_04_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes April 2014 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2014-04-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -893,6 +977,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2014_04_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes April 2014 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2014-04-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -903,6 +988,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2014_10_2015_05" do
 #   site "os.openstreetmap.org"
+#   title "Changes October 2014 to May 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2014-10-2015-05-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -913,6 +999,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2014_10_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes October 2014 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2014-10-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -923,6 +1010,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2014_10_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes October 2014 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2014-10-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -933,6 +1021,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2015_05_2015_11" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2015 to November 2015"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2015-05-2015-11-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2015"
@@ -943,6 +1032,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2015_05_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes May 2015 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2015-05-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"
@@ -953,6 +1043,7 @@ end
 #
 # imagery_layer "gb_os_sv_diff_2015_11_2016_04" do
 #   site "os.openstreetmap.org"
+#   title "Changes November 2015 to April 2016"
 #   projection "EPSG:27700"
 #   source "/data/imagery/gb/os-sv/ossv-diff-2015-11-2016-04-combined.vrt"
 #   copyright "Contains Ordnance Survey data © Crown copyright and database right 2016"