From 353e52b0f6767463219e91075012f3cf1476fd81 Mon Sep 17 00:00:00 2001
From: Christian Beutel <>
Date: Sun, 20 Jul 2025 13:40:18 +0200
Subject: [PATCH] fixes split gpx function

---
 web/src/lib/stores/valhalla_store.svelte.ts   | 10 ++++++----
 .../maplibre-layer-manager.ts                 |  2 +-
 web/src/routes/trail/edit/[id]/+page.svelte   | 19 ++++++++++++-------
 3 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/web/src/lib/stores/valhalla_store.svelte.ts b/web/src/lib/stores/valhalla_store.svelte.ts
index 0f827c8f..82e43045 100644
--- a/web/src/lib/stores/valhalla_store.svelte.ts
+++ b/web/src/lib/stores/valhalla_store.svelte.ts
@@ -178,14 +178,16 @@ export async function splitSegment(index: number, pos: LngLat) {
 
         if (dist < minDistance) {
             bestSplitIndex = i
+            minDistance = dist
         }
     }
 
-    const firstSegmentPoints = [...points.slice(0, index)];
-    const secondSegmentPoints = [...points.slice(index)];
+    const intersectionPoint = new Waypoint({ $: { lat: pos.lat, lon: pos.lng}, ele: points[bestSplitIndex].ele });
+    const firstSegmentPoints = [...points.slice(0, bestSplitIndex), intersectionPoint];
+    const secondSegmentPoints = [intersectionPoint, ...points.slice(bestSplitIndex)];
 
-    seg.trkpt = firstSegmentPoints;
-    insertIntoRoute(secondSegmentPoints, index)
+    editRoute(index, firstSegmentPoints)
+    insertIntoRoute(secondSegmentPoints, index + 1)
 }
 
 export function normalizeRouteTime() {
diff --git a/web/src/lib/vendor/maplibre-layer-manager/maplibre-layer-manager.ts b/web/src/lib/vendor/maplibre-layer-manager/maplibre-layer-manager.ts
index b78c70ba..87dedb2d 100644
--- a/web/src/lib/vendor/maplibre-layer-manager/maplibre-layer-manager.ts
+++ b/web/src/lib/vendor/maplibre-layer-manager/maplibre-layer-manager.ts
@@ -75,7 +75,7 @@ export class LayerManager {
 
     private async updateOverpassLayer(newState: MapState) {
         const overpassLayer = this.layers.overpass;
-        if (overpassLayer) {
+        if (overpassLayer && this.map.getSource('overpass')) {
             const castedOverpassLayer = overpassLayer as OverpassLayer;
             overpassLayer.filter = await castedOverpassLayer.updateLayerIfNeeded(newState, this.map.getBounds());
             (this.map.getSource('overpass') as M.GeoJSONSource).setData(castedOverpassLayer.data);
diff --git a/web/src/routes/trail/edit/[id]/+page.svelte b/web/src/routes/trail/edit/[id]/+page.svelte
index 11043baa..304eaf5e 100644
--- a/web/src/routes/trail/edit/[id]/+page.svelte
+++ b/web/src/routes/trail/edit/[id]/+page.svelte
@@ -429,7 +429,7 @@
                     id: "crop-start-marker",
                     icon: "fa-regular fa-circle",
                     fontSize: "xs",
-                    style: "z-10 w-6",
+                    style: "w-6",
                     width: 4,
                     backgroundColor: "bg-primary",
                     fontColor: "white",
@@ -441,7 +441,7 @@
                     id: "crop-end-marker",
                     icon: "fa fa-flag-checkered",
                     fontSize: "xs",
-                    style: "z-10 w-6",
+                    style: "w-6",
                     width: 4,
                     backgroundColor: "bg-primary",
                     fontColor: "white",
@@ -731,12 +731,16 @@
                 if (!drawingActive) {
                     return;
                 }
-                const position = marker.getLngLat();
-                anchor.lat = position.lat;
-                anchor.lon = position.lng;
-                await recalculateRoute(
-                    valhallaStore.anchors.findIndex((a) => a.id == anchor.id),
+                const anchorIndex = valhallaStore.anchors.findIndex(
+                    (a) => a.id == anchor.id,
                 );
+                const thisAnchor = valhallaStore.anchors[anchorIndex];
+                const position = marker.getLngLat();
+                thisAnchor.lat = position.lat;
+                thisAnchor.lon = position.lng;
+
+                await recalculateRoute(anchorIndex);
+
                 draggingMarker = false;
             },
         );
@@ -943,6 +947,7 @@
 
         splitSegment(data.segment, data.event.lngLat);
         updateFollowingAnchors(data.segment);
+        updateTrailWithRouteData();
     }
 
     function reverseTrail() {