3 files changed, 20 insertions, 13 deletions
diff --git a/perllib/FixMyStreet/Map/FMS.pm b/perllib/FixMyStreet/Map/FMS.pm
index b1dd29002..e7aa46784 100644
--- a/perllib/FixMyStreet/Map/FMS.pm
+++ b/perllib/FixMyStreet/Map/FMS.pm
@@ -42,8 +42,10 @@ sub map_tile_base {
 }
 
 sub map_tiles {
-    my ($self, $x, $y, $z) = @_;
-    if ($z >= 16) {
+    my ( $self, %params ) = @_;
+    my ( $x, $y, $z ) = ( $params{x_tile}, $params{y_tile}, $params{zoom_act} );
+    my $ni = in_northern_ireland_box( $params{latitude}, $params{longitude} );
+    if (!$ni && $z >= 16) {
         my ($tile_sep, $tile_base) = $self->map_tile_base;
         return [
             sprintf($tile_base, 'a' . $tile_sep, $z, $x-1, $y-1),
@@ -53,7 +55,7 @@ sub map_tiles {
         ];
     } else {
         my $url = "g=701";
-        $url .= "&productSet=mmOS" if $z > 10;
+        $url .= "&productSet=mmOS" if $z > 10 && !$ni;
         return [
             "//ecn.t0.tiles.virtualearth.net/tiles/r" . get_quadkey($x-1, $y-1, $z) . ".png?$url",
             "//ecn.t1.tiles.virtualearth.net/tiles/r" . get_quadkey($x,   $y-1, $z) . ".png?$url",
@@ -63,4 +65,10 @@ sub map_tiles {
     }
 }
 
+sub in_northern_ireland_box {
+    my ($lat, $lon) = @_;
+    return 1 if $lat >= 54.015 && $lat <= 55.315 && $lon >= -8.18 && $lon <= -5.415;
+    return 0;
+}
+
 1;
diff --git a/perllib/FixMyStreet/Map/OSM.pm b/perllib/FixMyStreet/Map/OSM.pm
index 119337e37..693f42e4f 100644
--- a/perllib/FixMyStreet/Map/OSM.pm
+++ b/perllib/FixMyStreet/Map/OSM.pm
@@ -25,7 +25,8 @@ sub map_template {
 }
 
 sub map_tiles {
-    my ($self, $x, $y, $z) = @_;
+    my ( $self, %params ) = @_;
+    my ( $x, $y, $z ) = ( $params{x_tile}, $params{y_tile}, $params{zoom_act} );
     my $tile_url = $self->base_tile_url();
     return [
         "http://a.$tile_url/$z/" . ($x - 1) . "/" . ($y - 1) . ".png",
@@ -73,26 +74,23 @@ sub display_map {
     my $zoom = defined $c->req->params->{zoom} ? $c->req->params->{zoom} + 0 : $default_zoom;
     $zoom = $numZoomLevels - 1 if $zoom >= $numZoomLevels;
     $zoom = 0 if $zoom < 0;
-    my $zoom_act = $zoomOffset + $zoom;
-    my ($x_tile, $y_tile) = latlon_to_tile_with_adjust($params{latitude}, $params{longitude}, $zoom_act);
+    $params{zoom_act} = $zoomOffset + $zoom;
+    ($params{x_tile}, $params{y_tile}) = latlon_to_tile_with_adjust($params{latitude}, $params{longitude}, $params{zoom_act});
 
     foreach my $pin (@{$params{pins}}) {
-        ($pin->{px}, $pin->{py}) = latlon_to_px($pin->{latitude}, $pin->{longitude}, $x_tile, $y_tile, $zoom_act);
+        ($pin->{px}, $pin->{py}) = latlon_to_px($pin->{latitude}, $pin->{longitude}, $params{x_tile}, $params{y_tile}, $params{zoom_act});
     }
 
     $c->stash->{map} = {
         %params,
         type => $self->map_template(),
         map_type => $self->map_type(),
-        tiles => $self->map_tiles( $x_tile, $y_tile, $zoom_act ),
+        tiles => $self->map_tiles( %params ),
         copyright => $self->copyright(),
-        x_tile => $x_tile,
-        y_tile => $y_tile,
         zoom => $zoom,
-        zoom_act => $zoom_act,
         zoomOffset => $zoomOffset,
         numZoomLevels => $numZoomLevels,
-        compass => compass( $x_tile, $y_tile, $zoom_act ),
+        compass => compass( $params{x_tile}, $params{y_tile}, $params{zoom_act} ),
     };
 }
 
diff --git a/perllib/FixMyStreet/Map/OSM/MapQuest.pm b/perllib/FixMyStreet/Map/OSM/MapQuest.pm
index 9cf6de01f..4751679f5 100644
--- a/perllib/FixMyStreet/Map/OSM/MapQuest.pm
+++ b/perllib/FixMyStreet/Map/OSM/MapQuest.pm
@@ -16,7 +16,8 @@ sub map_type {
 }
 
 sub map_tiles {
-    my ($self, $x, $y, $z) = @_;
+    my ( $self, %params ) = @_;
+    my ( $x, $y, $z ) = ( $params{x_tile}, $params{y_tile}, $params{zoom_act} );
     my $tile_url = $self->base_tile_url();
     return [
         "http://otile1.$tile_url/$z/" . ($x - 1) . "/" . ($y - 1) . ".png",