get waypoint elevation

website/src/lib/components/gpx-layer/GPXLayer.ts

@@ -338,9 +338,13 @@ export class GPXLayer {
         let waypoint = get(currentPopupWaypoint)?.[0];
         if (waypoint) {
             let marker = this.markers[waypoint._data.index];
+            if (marker) {
                 if (this.map.project(marker.getLngLat()).dist(this.map.project(e.lngLat)) > 100) {
                     this.hideWaypointPopup();
                 }
+            } else {
+                this.hideWaypointPopup();
+            }
         }
     }
 

website/src/lib/components/toolbar/tools/Waypoint.svelte

@@ -131,7 +131,8 @@
 					lon: longitude
 				}
 			});
-			// TODO get elevation for waypoint
+			waypoint.ele =
+				get(map)?.queryTerrainElevation([longitude, latitude], { exaggerated: false }) ?? 0;
 			dbUtils.applyToFiles(
 				Array.from(fileIds),
 				(file) => file.replaceWaypoints(file.wpt.length, file.wpt.length, [waypoint])[0]