fixes time and speed in route planning

web/src/lib/stores/valhalla_store.ts

@@ -93,11 +93,29 @@ export async function editRoute(index: number, waypoints: Waypoint[]) {
         segment.trkpt = waypoints
     }
     route.features = route.getTotals();
-
 }
 
 export function deleteFromRoute(index: number) {
     route.trk?.at(0)?.trkseg?.splice(index, 1);
     route.features = route.getTotals();
+}
 
+export function normalizeRouteTime() {
+    let currentTime = new Date();
+
+    for (const seg of route.trk?.at(0)?.trkseg ?? []) {
+
+        if (!seg.trkpt?.length) {
+            continue
+        }
+        const baseTime = seg.trkpt[0].time?.getTime() ?? 0;
+        for (let i = 0; i < seg.trkpt.length; i++) {
+            const wp = seg.trkpt![i];
+            const offset = (wp.time?.getTime() ?? 0) - baseTime;
+            const adjustedTime = new Date(currentTime.getTime() + offset);
+
+            wp.time = adjustedTime            
+        }
+        currentTime = new Date(seg.trkpt[seg.trkpt.length - 1].time!.getTime());
+    }    
 }

web/src/lib/util/geojson_util.ts

@@ -24,7 +24,7 @@ export function bbox(
             result[3] = coord[1];
         }
     });
-    
+
     return result;
 }
 
@@ -52,9 +52,9 @@ export function findStartAndEndPoints(geojson: GeoJsonObject): Position[] {
 
 export function splitMultiLineStringToLineStrings(geojson: GeoJsonObject): FeatureCollection {
     const features: Feature[] = [];
-
     (geojson as any).features.forEach((feature: any) => {
         if (feature.geometry.type === "MultiLineString") {
+
             feature.geometry.coordinates.forEach((lineString: any, lineIndex: number) => {
                 features.push({
                     type: "Feature",
@@ -64,6 +64,10 @@ export function splitMultiLineStringToLineStrings(geojson: GeoJsonObject): Featu
                     },
                     properties: {
                         ...feature.properties,
+                        coordinateProperties: {
+                            ...feature.properties.coordinateProperties,
+                            times: feature.properties.coordinateProperties.times[lineIndex]
+                        },
                         featureId: features.length,
                         segmentId: lineIndex,
                     },

web/src/lib/vendor/maplibre-elevation-profile/elevationprofile.ts

@@ -648,7 +648,7 @@ export class ElevationProfile {
                                 if (this.settings.tooltipDisplaySpeed && this.speed.length) {
                                     tooltipInfo.push(`Speed: ${this.speed[
                                         tooltipItem.dataIndex
-                                    ].toFixed(2)} ${distanceUnit}/h`
+                                    ]?.toFixed(2)} ${distanceUnit}/h`
                                     );
                                 }