+ bbox [[49.85, -10.5], [58.75, 1.9]]
+end
+
+imagery_layer "gb_os_sv_2010_04" do
+ site "os.openstreetmap.org"
+ 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?
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2010-04"]
+end
+
+imagery_layer "gb_os_sv_2010_11" do
+ site "os.openstreetmap.org"
+ 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?
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2010-11"]
+end
+
+imagery_layer "gb_os_sv_2011_05" do
+ site "os.openstreetmap.org"
+ 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?
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2011-05"]
+end
+
+imagery_layer "gb_os_sv_2011_11" do
+ site "os.openstreetmap.org"
+ 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?
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2011-11"]
+end
+
+imagery_layer "gb_os_sv_2012_05" do
+ site "os.openstreetmap.org"
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2012-05"]
+end
+
+imagery_layer "gb_os_sv_2012_11" do
+ site "os.openstreetmap.org"
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2012-11"]
+end
+
+imagery_layer "gb_os_sv_2013_05" do
+ site "os.openstreetmap.org"
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2013-05"]
+end
+
+imagery_layer "gb_os_sv_2013_11" do
+ site "os.openstreetmap.org"
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2013-11"]
+end
+
+imagery_layer "gb_os_sv_2014_04" do
+ site "os.openstreetmap.org"
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2014-04"]
+end
+
+imagery_layer "gb_os_sv_2014_10" do
+ site "os.openstreetmap.org"
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2014-10"]
+end
+
+imagery_layer "gb_os_sv_2015_05" do
+ site "os.openstreetmap.org"
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2015-05"]
+end
+
+imagery_layer "gb_os_sv_2015_11" do
+ site "os.openstreetmap.org"
+ root_layer true
+ 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"
+ background_colour "230 246 255" # OSSV Water Blue
+ extension "os_sv_png"
+ url_aliases ["/sv-2015-11"]
+end