init: replay mode

2026-05-14 03:41:58 +07:00
parent c92aaafc33
commit 8fc9456a6a
41 changed files with 619 additions and 396 deletions
@@ -0,0 +1,44 @@
+import maplibregl, { LayerSpecification } from "maplibre-gl";
+
+const LINE_GEOMETRY_FILTER: maplibregl.ExpressionSpecification = [
+    "any",
+    ["==", ["geometry-type"], "LineString"],
+    ["==", ["geometry-type"], "MultiLineString"],
+];
+
+export function getLineLabelLayers(sourceId: string): LayerSpecification[] {
+    return [
+        {
+            id: "line-labels-text",
+            type: "symbol",
+            source: sourceId,
+            filter: ["all", LINE_GEOMETRY_FILTER, ["!=", ["coalesce", ["get", "line_label"], ""], ""]],
+            layout: {
+                "symbol-placement": "line",
+                "symbol-spacing": 280,
+                "text-field": ["coalesce", ["get", "line_label"], ""],
+                "text-size": [
+                    "interpolate",
+                    ["linear"],
+                    ["zoom"],
+                    1, 11,
+                    4, 13,
+                    6, 15,
+                ],
+                "text-keep-upright": true,
+                "text-max-angle": 35,
+                "text-max-width": 12,
+                "text-padding": 2,
+                "text-allow-overlap": false,
+                "text-ignore-placement": false,
+                "text-optional": true,
+            },
+            paint: {
+                "text-color": "#f8fafc",
+                "text-halo-color": "#0f172a",
+                "text-halo-width": 1.4,
+                "text-halo-blur": 0.25,
+            },
+        },
+    ];
+}