From ecd76754862e24b7b19cf2e62fbbb2099a5d6ff6 Mon Sep 17 00:00:00 2001
From: math1985 <github@matthijsmelissen.nl>
Date: Tue, 11 Nov 2014 01:09:22 +0000
Subject: [PATCH] Don't render halo in roads in tunnels

This resolves #1089
---
 project.mml  |  2 +-
 project.yaml |  5 ++++-
 roads.mss    | 10 ++++++----
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/project.mml b/project.mml
index e50b356e29..d8c6a6f773 100644
--- a/project.mml
+++ b/project.mml
@@ -1400,7 +1400,7 @@
       "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over", 
       "Datasource": {
         "extent": "-20037508,-20037508,20037508,20037508", 
-        "table": "      (SELECT way, CASE WHEN substr(highway, length(highway)-3, 4) = 'link' THEN substr(highway, 0, length(highway)-4) ELSE highway end, name\n       FROM planet_osm_line\n       WHERE highway IN ('motorway', 'motorway_link', 'trunk', 'trunk_link', 'primary', 'primary_link', 'secondary', 'secondary_link', 'tertiary', 'tertiary_link', 'residential', 'unclassified', 'road', 'service', 'pedestrian', 'raceway', 'living_street', 'construction', 'proposed')\n         AND name IS NOT NULL\n      ) AS roads_text_name", 
+        "table": "      (SELECT way,\n         CASE WHEN substr(highway, length(highway)-3, 4) = 'link' THEN substr(highway, 0, length(highway)-4) ELSE highway END,\n         CASE WHEN (tunnel = 'yes' OR tunnel = 'building_passage' OR covered = 'yes') THEN 'yes' ELSE 'no' END AS tunnel,\n         name\n       FROM planet_osm_line\n       WHERE highway IN ('motorway', 'motorway_link', 'trunk', 'trunk_link', 'primary', 'primary_link', 'secondary', 'secondary_link', 'tertiary', 'tertiary_link', 'residential', 'unclassified', 'road', 'service', 'pedestrian', 'raceway', 'living_street', 'construction', 'proposed')\n         AND name IS NOT NULL\n      ) AS roads_text_name", 
         "geometry_field": "way", 
         "type": "postgis", 
         "key_field": "", 
diff --git a/project.yaml b/project.yaml
index c9c0ee586f..0cf2386e2d 100644
--- a/project.yaml
+++ b/project.yaml
@@ -1329,7 +1329,10 @@ Layer:
     Datasource:
       <<: *osm2pgsql
       table: |2-
-              (SELECT way, CASE WHEN substr(highway, length(highway)-3, 4) = 'link' THEN substr(highway, 0, length(highway)-4) ELSE highway end, name
+              (SELECT way,
+                 CASE WHEN substr(highway, length(highway)-3, 4) = 'link' THEN substr(highway, 0, length(highway)-4) ELSE highway END,
+                 CASE WHEN (tunnel = 'yes' OR tunnel = 'building_passage' OR covered = 'yes') THEN 'yes' ELSE 'no' END AS tunnel,
+                 name
                FROM planet_osm_line
                WHERE highway IN ('motorway', 'motorway_link', 'trunk', 'trunk_link', 'primary', 'primary_link', 'secondary', 'secondary_link', 'tertiary', 'tertiary_link', 'residential', 'unclassified', 'road', 'service', 'pedestrian', 'raceway', 'living_street', 'construction', 'proposed')
                  AND name IS NOT NULL
diff --git a/roads.mss b/roads.mss
index 6f23f8ba3c..9cb9d78e4e 100644
--- a/roads.mss
+++ b/roads.mss
@@ -2126,10 +2126,12 @@
       text-clip: false;
       text-placement: line;
       text-face-name: @book-fonts;
-      text-halo-radius: 1;
-      [highway = 'motorway'] { text-halo-fill: @motorway-fill; }
-      [highway = 'trunk'] { text-halo-fill: @trunk-fill; }
-      [highway = 'primary'] { text-halo-fill: @primary-fill; }
+      [tunnel = 'no'] {
+        text-halo-radius: 1;
+        [highway = 'motorway'] { text-halo-fill: @motorway-fill; }
+        [highway = 'trunk'] { text-halo-fill: @trunk-fill; }
+        [highway = 'primary'] { text-halo-fill: @primary-fill; }
+      }
     }
     [zoom >= 14] {
       text-size: 9;