Fix: remove unneeded URL parameter

Models/FilteredLayer.ts

@@ -72,6 +72,10 @@ export default class FilteredLayer {
         return JSON.stringify(values)
     }
 
+    public static queryParameterKey(layer: LayerConfig) {
+        return "layer-" + layer.id
+    }
+
     /**
      * Creates a FilteredLayer which is tied into the QueryParameters and/or user preferences
      */
@@ -100,7 +104,7 @@ export default class FilteredLayer {
             )
         } else {
             isDisplayed = QueryParameters.GetBooleanQueryParameter(
-                "layer-" + layer.id,
+                FilteredLayer.queryParameterKey(layer),
                 layer.shownByDefault,
                 "Whether or not layer " + layer.id + " is shown"
             )

Models/ThemeViewState.ts

@@ -2,11 +2,7 @@ import LayoutConfig from "./ThemeConfig/LayoutConfig"
 import {SpecialVisualizationState} from "../UI/SpecialVisualization"
 import {Changes} from "../Logic/Osm/Changes"
 import {ImmutableStore, Store, UIEventSource} from "../Logic/UIEventSource"
-import {
+import {FeatureSource, IndexedFeatureSource, WritableFeatureSource,} from "../Logic/FeatureSource/FeatureSource"
-    FeatureSource,
-    IndexedFeatureSource,
-    WritableFeatureSource,
-} from "../Logic/FeatureSource/FeatureSource"
 import {OsmConnection} from "../Logic/Osm/OsmConnection"
 import {ExportableMap, MapProperties} from "./MapProperties"
 import LayerState from "../Logic/State/LayerState"
@@ -50,9 +46,8 @@ import BackgroundLayerResetter from "../Logic/Actors/BackgroundLayerResetter"
 import SaveFeatureSourceToLocalStorage from "../Logic/FeatureSource/Actors/SaveFeatureSourceToLocalStorage"
 import BBoxFeatureSource from "../Logic/FeatureSource/Sources/TouchesBboxFeatureSource"
 import ThemeViewStateHashActor from "../Logic/Web/ThemeViewStateHashActor"
-import NoElementsInViewDetector, {
+import NoElementsInViewDetector, {FeatureViewState,} from "../Logic/Actors/NoElementsInViewDetector"
-    FeatureViewState,
+import FilteredLayer from "./FilteredLayer";
-} from "../Logic/Actors/NoElementsInViewDetector"
 
 /**
  *
@@ -526,9 +521,14 @@ export default class ThemeViewState implements SpecialVisualizationState {
             })
         }
 
-        this.layerState.filteredLayers
+        const rangeFLayer: FilteredLayer = this.layerState.filteredLayers
             .get("range")
-            ?.isDisplayed?.syncWith(this.featureSwitches.featureSwitchIsTesting, true)
+
+        const rangeIsDisplayed = rangeFLayer?.isDisplayed
+
+        if (!QueryParameters.wasInitialized(FilteredLayer.queryParameterKey(rangeFLayer.layerDef))) {
+            rangeIsDisplayed?.syncWith(this.featureSwitches.featureSwitchIsTesting, true)
+        }
 
         this.layerState.filteredLayers.forEach((flayer) => {
             const id = flayer.layerDef.id

UI/Map/ShowDataLayer.ts

@@ -458,6 +458,7 @@ export default class ShowDataLayer {
         features: FeatureSource,
         doShowLayer?: Store<boolean>
     ): ShowDataLayer {
+
         return new ShowDataLayer(map, {
             layer: ShowDataLayer.rangeLayer,
             features,

assets/layers/range/range.json

@@ -4,6 +4,7 @@
   "title": null,
   "source": "special",
   "name": null,
+  "shownByDefault": false,
   "mapRendering": [
     {
       "width": 3,