From b3299cdd733152820e30c18463e551059654d3fb Mon Sep 17 00:00:00 2001
From: Pieter Vander Vennet <pietervdvn@posteo.net>
Date: Thu, 11 Apr 2024 12:44:40 +0200
Subject: [PATCH] Fix: fix #1883; display underground railway lines in a
 subtler rendering

---
 public/assets/sunny-unlabeled.json | 55 +++++++++++++++++++++++++++++-
 public/assets/sunny.json           | 53 ++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+), 1 deletion(-)

diff --git a/public/assets/sunny-unlabeled.json b/public/assets/sunny-unlabeled.json
index ae99e9eed..0f1052722 100644
--- a/public/assets/sunny-unlabeled.json
+++ b/public/assets/sunny-unlabeled.json
@@ -1233,6 +1233,49 @@
             ]
          }
       },
+      {
+         "id": "transit_railway_tunnel",
+         "type": "line",
+         "source": "protomaps",
+         "source-layer": "transit",
+         "filter": [
+            "all",
+            [
+               "==",
+               "pmap:kind",
+               "rail"
+            ],
+            [
+               "<",
+               "pmap:level",
+               0
+            ]
+         ],
+         "paint": {
+            "line-dasharray": [
+               0.3,
+               0.75
+            ],
+            "line-opacity": 0.5,
+            "line-color": "#333333",
+            "line-width": [
+               "interpolate",
+               [
+                  "exponential",
+                  1.6
+               ],
+               [
+                  "zoom"
+               ],
+               3,
+               0,
+               6,
+               0.15,
+               18,
+               9
+            ]
+         }
+      },
       {
          "id": "buildings",
          "type": "fill",
@@ -2141,6 +2184,11 @@
                "==",
                "pmap:kind",
                "rail"
+            ],
+            [
+               ">=",
+               "pmap:level",
+               0
             ]
          ],
          "paint": {
@@ -2176,6 +2224,11 @@
                "==",
                "pmap:kind",
                "rail"
+            ],
+            [
+               ">=",
+               "pmap:level",
+               0
             ]
          ],
          "paint": {
@@ -2898,4 +2951,4 @@
          "maxzoom": 8
       }
    ]
-}
+}
\ No newline at end of file
diff --git a/public/assets/sunny.json b/public/assets/sunny.json
index 7f6d957dc..dcf07f7b9 100644
--- a/public/assets/sunny.json
+++ b/public/assets/sunny.json
@@ -1232,6 +1232,49 @@
         ]
       }
     },
+    {
+      "id": "transit_railway_tunnel",
+      "type": "line",
+      "source": "protomaps",
+      "source-layer": "transit",
+      "filter": [
+        "all",
+        [
+          "==",
+          "pmap:kind",
+          "rail"
+        ],
+        [
+          "<",
+          "pmap:level",
+          0
+        ]
+      ],
+      "paint": {
+        "line-dasharray": [
+          0.3,
+          0.75
+        ],
+        "line-opacity": 0.5,
+        "line-color": "#333333",
+        "line-width": [
+          "interpolate",
+          [
+            "exponential",
+            1.6
+          ],
+          [
+            "zoom"
+          ],
+          3,
+          0,
+          6,
+          0.15,
+          18,
+          9
+        ]
+      }
+    },
     {
       "id": "buildings",
       "type": "fill",
@@ -2140,6 +2183,11 @@
           "==",
           "pmap:kind",
           "rail"
+        ],
+        [
+          ">=",
+          "pmap:level",
+          0
         ]
       ],
       "paint": {
@@ -2175,6 +2223,11 @@
           "==",
           "pmap:kind",
           "rail"
+        ],
+        [
+          ">=",
+          "pmap:level",
+          0
         ]
       ],
       "paint": {