diff --git a/InitUiElements.ts b/InitUiElements.ts
index c3e57766a..19f1e3340 100644
--- a/InitUiElements.ts
+++ b/InitUiElements.ts
@@ -41,6 +41,7 @@ import ShowTileInfo from "./UI/ShowDataLayer/ShowTileInfo";
 import {Tiles} from "./Models/TileRange";
 import {TileHierarchyAggregator} from "./UI/ShowDataLayer/PerTileCountAggregator";
 import {BBox} from "./Logic/GeoOperations";
+import StaticFeatureSource from "./Logic/FeatureSource/Sources/StaticFeatureSource";
 
 export class InitUiElements {
     static InitAll(
@@ -421,9 +422,6 @@ export class InitUiElements {
                 const flayer = {
                     isDisplayed: isDisplayed,
                     layerDef: layer,
-                    isSufficientlyZoomed: state.locationControl.map(l => {
-                        return l.zoom >= (layer.minzoomVisible ?? layer.minzoom)
-                    }),
                     appliedFilters: new UIEventSource<TagsFilter>(undefined),
                 };
                 flayers.push(flayer);
@@ -491,7 +489,7 @@ export class InitUiElements {
                         return true
                     }, [State.state.locationControl, State.state.currentBounds]
                 )
-               
+                
                 new ShowDataLayer(
                     {
                         features: source,
@@ -502,7 +500,6 @@ export class InitUiElements {
                 );
             }, state
         );
-
     }
 
     private static setupAllLayerElements() {
diff --git a/Logic/GeoOperations.ts b/Logic/GeoOperations.ts
index dd806ded4..cfef09e5d 100644
--- a/Logic/GeoOperations.ts
+++ b/Logic/GeoOperations.ts
@@ -388,10 +388,10 @@ export class BBox {
     static global: BBox = new BBox([[-180, -90], [180, 90]]);
 
     constructor(coordinates) {
-        this.maxLat = Number.MIN_VALUE;
-        this.maxLon = Number.MIN_VALUE;
-        this.minLat = Number.MAX_VALUE;
-        this.minLon = Number.MAX_VALUE;
+        this.maxLat = -90;
+        this.maxLon = -180;
+        this.minLat = 90;
+        this.minLon = 180;
 
 
         for (const coordinate of coordinates) {
@@ -491,4 +491,23 @@ export class BBox {
     toLeaflet() {
        return [[this.minLat, this.minLon], [this.maxLat, this.maxLon]]
     }
+
+    asGeoJson(properties: any) : any{
+        return {
+            type:"Feature",
+            properties: properties,
+            geometry:{
+                type:"Polygon",
+                coordinates:[[
+                    
+                    [this.minLon, this.minLat],
+                        [this.maxLon, this.minLat],
+                        [this.maxLon, this.maxLat],
+                        [this.minLon, this.maxLat],
+                        [this.minLon, this.minLat],
+
+                ]]
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/Logic/SimpleMetaTagger.ts b/Logic/SimpleMetaTagger.ts
index b74f0f542..a938e9c72 100644
--- a/Logic/SimpleMetaTagger.ts
+++ b/Logic/SimpleMetaTagger.ts
@@ -97,6 +97,9 @@ export default class SimpleMetaTagger {
                     continue;
                 }
                 for (const unit of units) {
+                    if(unit === undefined){
+                        continue
+                    }
                     if (unit.appliesToKeys === undefined) {
                         console.error("The unit ", unit, "has no appliesToKey defined")
                         continue
diff --git a/UI/Base/Minimap.ts b/UI/Base/Minimap.ts
index 963d39db1..e276c8281 100644
--- a/UI/Base/Minimap.ts
+++ b/UI/Base/Minimap.ts
@@ -30,6 +30,8 @@ export default class Minimap {
     /**
      * Construct a minimap
      */
-    public static createMiniMap: (options: MinimapOptions) => (BaseUIElement & MinimapObj)
+    public static createMiniMap: (options: MinimapOptions) => (BaseUIElement & MinimapObj) = (_) => {
+        throw "CreateMinimap hasn't been initialized yet. Please call MinimapImplementation.initialize()"
+    }
 
 }
\ No newline at end of file
diff --git a/test.ts b/test.ts
index 86a1c8f6e..c70e45da5 100644
--- a/test.ts
+++ b/test.ts
@@ -5,46 +5,29 @@ import MinimapImplementation from "./UI/Base/MinimapImplementation";
 import {UIEventSource} from "./Logic/UIEventSource";
 import FilteredLayer from "./Models/FilteredLayer";
 import {And} from "./Logic/Tags/And";
+import ShowDataLayer from "./UI/ShowDataLayer/ShowDataLayer";
+import ShowTileInfo from "./UI/ShowDataLayer/ShowTileInfo";
+import StaticFeatureSource from "./Logic/FeatureSource/Sources/StaticFeatureSource";
+import {BBox} from "./Logic/GeoOperations";
+import Minimap from "./UI/Base/Minimap";
 
-const layout = AllKnownLayouts.allKnownLayouts.get("cyclestreets")
-State.state = new State(layout)
+State.state = new State(undefined)
+
+const leafletMap = new UIEventSource(undefined)
 MinimapImplementation.initialize()
-const feature = {
-    "type": "Feature",
-    "properties": {
-        id: "way/1234",
-        "highway":"residential",
-        "cyclestreet":"yes"
-    },
-    "geometry": {
-        "type": "LineString",
-        "coordinates": [
-            [
-                3.2207107543945312,
-                51.21978729870313
-            ],
-            [
-                3.2198524475097656,
-                51.21899435057332
-            ],
-            [
-                3.2155394554138184,
-                51.21617188199714
-            ]
-        ]
-    }
-}
+Minimap.createMiniMap({
+    leafletMap: leafletMap,
+}).SetStyle("height: 600px; width: 600px")
+    .AttachTo("maindiv")
 
-State.state.allElements.addOrGetElement(feature)
-State.state.filteredLayers = new UIEventSource<FilteredLayer[]>(
-    layout.layers.map( l => ({
-        layerDef :l,
-        appliedFilters: new UIEventSource<And>(undefined),
-        isDisplayed: new UIEventSource<boolean>(undefined)
-    }))
-)
+const bbox = BBox.fromTile(16,32754,21785).asGeoJson({
+    count: 42,
+    tileId: 42
+})
 
-const splitroad = new SplitRoadWizard("way/1234")
-    splitroad.AttachTo("maindiv")
-
-splitroad.dialogIsOpened.setData(true)
+console.log(bbox)
+new ShowDataLayer({
+    layerToShow: ShowTileInfo.styling,
+    leafletMap: leafletMap,
+    features: new StaticFeatureSource([ bbox], false)
+})
\ No newline at end of file
diff --git a/test/GeoOperations.spec.ts b/test/GeoOperations.spec.ts
index 7a556b20d..49447afd5 100644
--- a/test/GeoOperations.spec.ts
+++ b/test/GeoOperations.spec.ts
@@ -1,7 +1,8 @@
 import {Utils} from "../Utils";
 import * as Assert from "assert";
 import T from "./TestHelper";
-import {GeoOperations} from "../Logic/GeoOperations";
+import {BBox, GeoOperations} from "../Logic/GeoOperations";
+import {equal} from "assert";
 
 Utils.runningFromConsole = true;
 
@@ -176,7 +177,16 @@ export default class GeoOperationsSpec extends T {
 
                     const overlap = GeoOperations.calculateOverlap(point, [GeoOperationsSpec.polygon]);
                     Assert.equal(1, overlap.length)
-                }]
+                }],
+                ["bbox bounds test",
+                    () => {
+                        const bbox = BBox.fromTile(16, 32754, 21785)
+                        equal(-0.0714111328125, bbox.minLon)
+                        equal(-0.076904296875, bbox.maxLon)
+                        equal(51.53266860674158, bbox.minLat)
+                        equal(51.5292513551899, bbox.maxLat)
+                    }
+                ]
             ]
         )