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Render maritime admin boundaries less prominently #2950

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Render maritime admin boundaries less prominently #2950

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106c79f
Render maritime admin boundaries less prominently
Nov 20, 2017
1ce756d
Improvement to maritime border rendering
Feb 4, 2018
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25 changes: 24 additions & 1 deletion admin.mss
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Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
@admin-boundaries: #ac46ac;
@admin-boundaries-maritime: darken(@water-color,20%);

/* For performance reasons, the admin border layers are split into three groups
for low, middle and high zoom levels.
Expand All @@ -16,6 +17,9 @@ overlapping borders correctly.
background/line-width: 1.2;
line-join: bevel;
line-color: @admin-boundaries;
[maritime = 'true'] {
line-color: @admin-boundaries-maritime;
}
line-width: 1.2;
}
[zoom >= 5] {
Expand Down Expand Up @@ -43,6 +47,9 @@ overlapping borders correctly.
background/line-width: 0.6;
line-join: bevel;
line-color: @admin-boundaries;
[maritime = 'true'] {
line-color: @admin-boundaries-maritime;
}
line-width: 0.6;
}
[zoom >= 7] {
Expand All @@ -63,6 +70,9 @@ overlapping borders correctly.
background/line-color: white;
background/line-width: 0.4;
line-color: @admin-boundaries;
[maritime = 'true'] {
line-color: @admin-boundaries-maritime;
}
line-join: bevel;
line-width: 0.4;
line-clip: false;
Expand Down Expand Up @@ -116,6 +126,9 @@ overlapping borders correctly.
background/line-width: 2;
line-join: bevel;
line-color: @admin-boundaries;
[maritime = 'true'] {
line-color: @admin-boundaries-maritime;
}
line-width: 2;
line-dasharray: 6,3,2,3,2,3;
line-clip: false;
Expand All @@ -126,6 +139,9 @@ overlapping borders correctly.
background/line-width: 2;
line-join: bevel;
line-color: @admin-boundaries;
[maritime = 'true'] {
line-color: @admin-boundaries-maritime;
}
line-width: 2;
line-dasharray: 6,3,2,3;
line-clip: false;
Expand All @@ -138,6 +154,9 @@ overlapping borders correctly.
background/line-width: 1.5;
line-join: bevel;
line-color: @admin-boundaries;
[maritime = 'true'] {
line-color: @admin-boundaries-maritime;
}
line-width: 1.5;
line-dasharray: 5,2;
line-clip: false;
Expand All @@ -147,7 +166,8 @@ overlapping borders correctly.
comp-op: darken;
}

#admin-high-zoom[zoom >= 13] {
#admin-high-zoom[zoom >= 13],
#admin-high-zoom-maritime[zoom >= 13] {
[admin_level = '9'],
[admin_level = '10'] {
[zoom >= 13] {
Expand All @@ -156,6 +176,9 @@ overlapping borders correctly.
background/line-width: 2;
line-join: bevel;
line-color: @admin-boundaries;
[maritime = 'true'] {
line-color: @admin-boundaries-maritime;
}
line-width: 2;
line-dasharray: 2,3;
line-clip: false;
Expand Down
63 changes: 54 additions & 9 deletions project.mml
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Original file line number Diff line number Diff line change
Expand Up @@ -1123,55 +1123,100 @@ Layer:
properties:
minzoom: 11
- id: admin-low-zoom
class: admin
geometry: linestring
<<: *extents
Datasource:
<<: *osm2pgsql
table: |-
(SELECT
(
(SELECT
way,
admin_level
admin_level,
'false' as maritime
FROM planet_osm_roads
WHERE boundary = 'administrative'
AND admin_level IN ('0', '1', '2', '3', '4')
AND osm_id < 0
ORDER BY admin_level DESC
)
UNION
(SELECT
way,
admin_level,
'true' as maritime
FROM planet_osm_roads
WHERE boundary = 'administrative'
AND admin_level IN ('0', '1', '2', '3', '4')
AND osm_id > 0
AND tags->'maritime' = 'yes'
)
ORDER BY maritime, admin_level DESC
) AS admin_low_zoom
properties:
minzoom: 4
maxzoom: 10
- id: admin-mid-zoom
class: admin
geometry: linestring
<<: *extents
Datasource:
<<: *osm2pgsql
table: |-
(SELECT
(
(SELECT
way,
admin_level
admin_level,
'false'as maritime
FROM planet_osm_roads
WHERE boundary = 'administrative'
AND admin_level IN ('0', '1', '2', '3', '4', '5', '6', '7', '8')
AND osm_id < 0
ORDER BY admin_level DESC
)
UNION
(SELECT
way,
admin_level,
'true' as maritime
FROM planet_osm_roads
WHERE boundary = 'administrative'
AND admin_level IN ('0', '1', '2', '3', '4', '5', '6', '7', '8')
AND osm_id > 0
AND tags->'maritime' = 'yes'
)
ORDER BY maritime, admin_level DESC
) AS admin_mid_zoom
properties:
minzoom: 11
maxzoom: 12
- id: admin-high-zoom
class: admin
geometry: linestring
<<: *extents
Datasource:
<<: *osm2pgsql
table: |-
(SELECT
(
(SELECT
way,
admin_level
admin_level::integer, -- With 10 as a valid value, we need to do a numeric ordering, not a text ordering
'false' as maritime
FROM planet_osm_roads
WHERE boundary = 'administrative'
AND admin_level IN ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10')
AND osm_id < 0
ORDER BY admin_level::integer DESC -- With 10 as a valid value, we need to do a numeric ordering, not a text ordering
)
UNION
(SELECT
way,
admin_level::integer, -- With 10 as a valid value, we need to do a numeric ordering, not a text ordering
'true' as maritime
FROM planet_osm_roads
WHERE boundary = 'administrative'
AND admin_level IN ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10')
AND osm_id > 0
AND tags->'maritime' = 'yes'
)
ORDER BY maritime, admin_level DESC
) AS admin_high_zoom
properties:
minzoom: 13
Expand Down