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-rw-r--r--perllib/FixMyStreet/Map/BingOL.pm63
-rw-r--r--perllib/FixMyStreet/Map/OSM.pm51
2 files changed, 81 insertions, 33 deletions
diff --git a/perllib/FixMyStreet/Map/BingOL.pm b/perllib/FixMyStreet/Map/BingOL.pm
index 70f9dbda1..94df6fff9 100644
--- a/perllib/FixMyStreet/Map/BingOL.pm
+++ b/perllib/FixMyStreet/Map/BingOL.pm
@@ -7,9 +7,12 @@
# Email: matthew@mysociety.org; WWW: http://www.mysociety.org/
package FixMyStreet::Map::BingOL;
+use base 'FixMyStreet::Map::OSM';
use strict;
-use mySociety::Gaze;
+
+use constant ZOOM_LEVELS => 5;
+use constant MIN_ZOOM_LEVEL => 13;
sub header_js {
return '
@@ -20,25 +23,45 @@ sub header_js {
';
}
-# display_map C PARAMS
-# PARAMS include:
-# latitude, longitude for the centre point of the map
-# CLICKABLE is set if the map is clickable
-# PINS is array of pins to show, location and colour
-sub display_map {
- my ($self, $c, %params) = @_;
-
- my $dist = mySociety::Gaze::get_radius_containing_population( $params{latitude}, $params{longitude}, 200_000 );
- my $zoom = 2;
- $zoom = 3 if $dist < 10;
-
- $c->stash->{map} = {
- %params,
- type => 'osm',
- zoom => $zoom,
- map_type => '""', # Is set by the JavaScript
- copyright => _('Map contains Ordnance Survey data &copy; Crown copyright and database right 2010. Microsoft'),
- };
+# Is set by the JavaScript
+sub map_type {
+ return '""';
+}
+
+sub copyright {
+ return _('Map contains Ordnance Survey data &copy; Crown copyright and database right 2010. Microsoft');
+}
+
+sub get_quadkey {
+ my ($x, $y, $z) = @_;
+ my $key = '';
+ for (my $i = $z; $i > 0; $i--) {
+ my $digit = 0;
+ my $mask = 1 << ($i - 1);
+ $digit++ if ($x & $mask) != 0;
+ $digit += 2 if ($y & $mask) != 0;
+ $key .= $digit;
+ }
+ return $key;
+}
+
+sub map_tiles {
+ my ($self, $x, $y, $z) = @_;
+ if ($z >= 16) {
+ return [
+ "http://a.os.openstreetmap.org/sv/$z/" . ($x-1) . "/" . ($y-1) . ".png",
+ "http://b.os.openstreetmap.org/sv/$z/$x/" . ($y-1) . ".png",
+ "http://c.os.openstreetmap.org/sv/$z/" . ($x-1) . "/$y.png",
+ "http://os.openstreetmap.org/sv/$z/$x/$y.png",
+ ];
+ } else {
+ return [
+ "http://ecn.t0.tiles.virtualearth.net/tiles/r" . get_quadkey($x-1, $y-1, $z) . ".png?g=587&productSet=mmOS",
+ "http://ecn.t1.tiles.virtualearth.net/tiles/r" . get_quadkey($x, $y-1, $z) . ".png?g=587&productSet=mmOS",
+ "http://ecn.t2.tiles.virtualearth.net/tiles/r" . get_quadkey($x-1, $y, $z) . ".png?g=587&productSet=mmOS",
+ "http://ecn.t3.tiles.virtualearth.net/tiles/r" . get_quadkey($x, $y, $z) . ".png?g=587&productSet=mmOS",
+ ];
+ }
}
1;
diff --git a/perllib/FixMyStreet/Map/OSM.pm b/perllib/FixMyStreet/Map/OSM.pm
index 194f403c9..363f4b01e 100644
--- a/perllib/FixMyStreet/Map/OSM.pm
+++ b/perllib/FixMyStreet/Map/OSM.pm
@@ -10,8 +10,12 @@ package FixMyStreet::Map::OSM;
use strict;
use Math::Trig;
+use mySociety::Gaze;
use Utils;
+use constant ZOOM_LEVELS => 5;
+use constant MIN_ZOOM_LEVEL => 13;
+
sub header_js {
return '
<script type="text/javascript" src="/jslib/OpenLayers-2.10/OpenLayers.js"></script>
@@ -24,6 +28,17 @@ sub map_type {
return 'OpenLayers.Layer.OSM.Mapnik';
}
+sub map_tiles {
+ my ($self, $x, $y, $z) = @_;
+ my $tile_url = $self->base_tile_url();
+ return [
+ "http://a.$tile_url/$z/" . ($x - 1) . "/" . ($y - 1) . ".png",
+ "http://b.$tile_url/$z/$x/" . ($y - 1) . ".png",
+ "http://c.$tile_url/$z/" . ($x - 1) . "/$y.png",
+ "http://$tile_url/$z/$x/$y.png",
+ ];
+}
+
sub base_tile_url {
return 'tile.openstreetmap.org';
}
@@ -40,40 +55,50 @@ sub copyright {
sub display_map {
my ($self, $c, %params) = @_;
+ # Adjust zoom level dependent upon population density
+ my $dist = mySociety::Gaze::get_radius_containing_population( $params{latitude}, $params{longitude}, 200_000 );
+ my $default_zoom = ZOOM_LEVELS - 3;
+ $default_zoom = ZOOM_LEVELS - 2 if $dist < 10;
+
# Map centre may be overridden in the query string
$params{latitude} = Utils::truncate_coordinate($c->req->params->{lat} + 0)
if defined $c->req->params->{lat};
$params{longitude} = Utils::truncate_coordinate($c->req->params->{lon} + 0)
if defined $c->req->params->{lon};
- my $zoom = defined $c->req->params->{zoom} ? $c->req->params->{zoom} + 0 : 2;
- $zoom = 3 if $zoom > 3;
+ my $zoom = defined $c->req->params->{zoom} ? $c->req->params->{zoom} + 0 : $default_zoom;
+ $zoom = ZOOM_LEVELS - 1 if $zoom >= ZOOM_LEVELS;
$zoom = 0 if $zoom < 0;
- my $zoom_act = 14 + $zoom;
+ my $zoom_act = MIN_ZOOM_LEVEL + $zoom;
my ($x_tile, $y_tile) = latlon_to_tile_with_adjust($params{latitude}, $params{longitude}, $zoom_act);
foreach my $pin (@{$params{pins}}) {
($pin->{px}, $pin->{py}) = latlon_to_px($pin->{latitude}, $pin->{longitude}, $x_tile, $y_tile, $zoom_act);
}
- my $compass = {
- north => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x_tile, $y_tile-1, $zoom_act ) ],
- south => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x_tile, $y_tile+1, $zoom_act ) ],
- west => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x_tile-1, $y_tile, $zoom_act ) ],
- east => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x_tile+1, $y_tile, $zoom_act ) ],
- here => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x_tile, $y_tile, $zoom_act ) ],
- };
$c->stash->{map} = {
%params,
type => 'osm',
map_type => $self->map_type(),
- tile_url => $self->base_tile_url(),
+ tiles => $self->map_tiles( $x_tile, $y_tile, $zoom_act ),
copyright => $self->copyright(),
x_tile => $x_tile,
y_tile => $y_tile,
zoom => $zoom,
zoom_act => $zoom_act,
- compass => $compass,
+ zoom_levels => ZOOM_LEVELS,
+ compass => compass( $x_tile, $y_tile, $zoom_act ),
+ };
+}
+
+sub compass {
+ my ( $x, $y, $z ) = @_;
+ return {
+ north => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x, $y-1, $z ) ],
+ south => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x, $y+1, $z ) ],
+ west => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x-1, $y, $z ) ],
+ east => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x+1, $y, $z ) ],
+ here => [ map { Utils::truncate_coordinate($_) } tile_to_latlon( $x, $y, $z ) ],
};
}
@@ -141,7 +166,7 @@ sub click_to_wgs84 {
my ($self, $c, $pin_tile_x, $pin_x, $pin_tile_y, $pin_y) = @_;
my $tile_x = click_to_tile($pin_tile_x, $pin_x);
my $tile_y = click_to_tile($pin_tile_y, $pin_y);
- my $zoom = 14 + (defined $c->req->params->{zoom} ? $c->req->params->{zoom} : 2);
+ my $zoom = MIN_ZOOM_LEVEL + (defined $c->req->params->{zoom} ? $c->req->params->{zoom} : 2);
my ($lat, $lon) = tile_to_latlon($tile_x, $tile_y, $zoom);
return ( $lat, $lon );
}