improved map zoom and location

src/app/pages/simulation-wizard/results-map/results-map.component.ts

@@ -625,18 +625,23 @@ export class ResultsMapComponent implements OnChanges {
   }
 
   setMapZoom() {
-    if (this.selectedSimulation["city"]["cityId"] == "amsterdam") {
-      this.map.setView(new L.LatLng(52.4, 4.9), 9);
-    } else if (this.selectedSimulation["city"]["cityId"] == "bilbao") {
-      this.map.setView(new L.LatLng(43.3, -2.9), 9);
-    } else if (this.selectedSimulation["city"]["cityId"] == "helsinki") {
-      this.map.setView(new L.LatLng(60.2, 24.9), 9);
-    } else if (this.selectedSimulation["city"]["cityId"] == "messina") {
-      this.map.setView(new L.LatLng(38.2, 15.6), 9);
-    } else {
-      this.toastrService.show("Unexpected value for city name.", "Error", {
-        status: "danger",
-      });
+    if (this.selectedSimulation != undefined) {
+      if (this.selectedSimulation["city"]["cityId"] == "amsterdam") {
+        this.map.setView(new L.LatLng(52.4, 4.9), 9);
+      } else if (this.selectedSimulation["city"]["cityId"] == "bilbao") {
+        this.map.setView(new L.LatLng(43.3, -2.9), 9);
+      } else if (this.selectedSimulation["city"]["cityId"] == "helsinki") {
+        this.map.setView(
+          new L.LatLng(60.16005488265436, 24.920971999284017),
+          13
+        );
+      } else if (this.selectedSimulation["city"]["cityId"] == "messina") {
+        this.map.setView(new L.LatLng(38.2, 15.6), 9);
+      } else {
+        this.toastrService.show("Unexpected value for city name.", "Error", {
+          status: "danger",
+        });
+      }
     }
   }
 
@@ -671,5 +676,7 @@ export class ResultsMapComponent implements OnChanges {
     Object.entries(this.loadGeojsons).forEach((entry) => {
       entry[1]["response"] = undefined;
     });
+
+    this.setMapZoom();
   }
 }