From 7c8ac62b451bafe7d2739f18517366840a842075 Mon Sep 17 00:00:00 2001
From: Pieter Vander Vennet <pietervdvn@posteo.net>
Date: Sun, 2 Nov 2025 22:58:28 +0000
Subject: [PATCH 1/2] Update base_layers.ts: add 3D

---
 styles/src/base_layers.ts | 64 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/styles/src/base_layers.ts b/styles/src/base_layers.ts
index a73a40f7..93c0ddb0 100644
--- a/styles/src/base_layers.ts
+++ b/styles/src/base_layers.ts
@@ -600,6 +600,70 @@ export function nolabels_layers(
         "fill-opacity": 0.5,
       },
     },
+    {
+      "id": "3d-buildings",
+      "source": "protomaps",
+      "source-layer": "buildings",
+      "type": "fill-extrusion",
+      "paint": {
+        "fill-extrusion-color": t.buildings,
+        "fill-extrusion-height": [
+          "case",
+          [
+            "has",
+            "height"
+          ],
+          [
+            "get",
+            "height"
+          ],
+          [
+            "has",
+            "floors"
+          ],
+          [
+            "*",
+            [
+              "to-number",
+              [
+                "get",
+                "floors"
+              ]
+            ],
+            2
+          ],
+          3.5
+        ],
+        "fill-extrusion-base": [
+          "case",
+          [
+            "has",
+            "min_height"
+          ],
+          [
+            "get",
+            "min_height"
+          ],
+          [
+            "has",
+            "min_floors"
+          ],
+          [
+            "*",
+            [
+              "to-number",
+              [
+                "get",
+                "min_floors"
+              ]
+            ],
+            2
+          ],
+          0
+        ],
+        "fill-extrusion-opacity": 0.6
+      }
+    },
     {
       id: "roads_pier",
       type: "line",

From befa773075e07c10981fa67d22320f23ce8a984a Mon Sep 17 00:00:00 2001
From: Pieter Vander Vennet <pietervdvn@posteo.net>
Date: Sun, 2 Nov 2025 23:09:15 +0000
Subject: [PATCH 2/2] Update base_layers.ts: fix formatting issues

---
 styles/src/base_layers.ts | 48 ++++++++++-----------------------------
 1 file changed, 12 insertions(+), 36 deletions(-)

diff --git a/styles/src/base_layers.ts b/styles/src/base_layers.ts
index 93c0ddb0..e93d3591 100644
--- a/styles/src/base_layers.ts
+++ b/styles/src/base_layers.ts
@@ -601,34 +601,22 @@ export function nolabels_layers(
       },
     },
     {
-      "id": "3d-buildings",
-      "source": "protomaps",
+      id: "3d-buildings",
+      source: "protomaps",
       "source-layer": "buildings",
-      "type": "fill-extrusion",
-      "paint": {
+      type: "fill-extrusion",
+      paint: {
         "fill-extrusion-color": t.buildings,
         "fill-extrusion-height": [
           "case",
-          [
-            "has",
-            "height"
-          ],
-          [
-            "get",
-            "height"
-          ],
-          [
-            "has",
-            "floors"
-          ],
+          ["has", "height"],
+          ["get", "height"],
+          ["has", "floors"],
           [
             "*",
             [
               "to-number",
-              [
-                "get",
-                "floors"
-              ]
+              ["get", "floors"]
             ],
             2
           ],
@@ -636,26 +624,14 @@ export function nolabels_layers(
         ],
         "fill-extrusion-base": [
           "case",
-          [
-            "has",
-            "min_height"
-          ],
-          [
-            "get",
-            "min_height"
-          ],
-          [
-            "has",
-            "min_floors"
-          ],
+          ["has", "min_height"],
+          ["get", "min_height"],
+          ["has", "min_floors"],
           [
             "*",
             [
               "to-number",
-              [
-                "get",
-                "min_floors"
-              ]
+              ["get", "min_floors"]
             ],
             2
           ],