add photo tiles from Bianco Veigel & Rene Hansen

src/app.js

@@ -4,8 +4,11 @@ import WebGLMap from 'ol/WebGLMap.js';
 import {WEBGL} from 'ol/has.js'
 import View from 'ol/View.js';
 import {defaults as defaultControls, Attribution as AttributionControl} from 'ol/control.js';
+import LayerSwitcher from 'ol-layerswitcher';
 import {all as allStrategy} from 'ol/loadingstrategy';
 import {bbox as bboxStrategy} from 'ol/loadingstrategy.js';
+import LayerGroup from 'ol/layer/Group';
+import LayerImage from 'ol/layer/Image';
 import TileLayer from 'ol/layer/Tile';
 import OSM from 'ol/source/OSM.js';
 import XYZ from 'ol/source/XYZ';
@@ -127,23 +130,25 @@ var styles = {
 var vectorSource = new VectorSource({
 	format: new OSMXML(),
 	url: 'https://seafile.milliways.info/f/688170149668429f9598/?dl=1',
-	strategy: allStrategy
-})
+	strategy: allStrategy,
+	attributions: '&#169;<a href="https://git.milliways.info/Milliways/cccamp19-map">Milliways</a>',
+});
 
-var map = new MapClass({
-  target: 'map',
-  controls: defaultControls().extend([
-  ]),
-  numZoomLevels: 19,
-  units: 'm',
-  layers: [
-    new TileLayer({
-      source: new OSM()
-    }),
-    new VectorLayer({
+var tileLayer = new TileLayer({
+	title: 'Photos',
+	type: 'base',
+	source: new XYZ({
+		url: 'https://cdn.eventphone.de/maps/ziegeleipark/{z}/{x}/{y}.jpg',
+		maxZoom: 22,
+		minZoom: 14,
+		attributions: 'Bianco Veigel & Rene Hansen',
+		attributionsCollapsible: false,
+	})
+});
+
+var vectorLayer =  new VectorLayer({
+      title: 'Milliways Overlay',
       source: vectorSource,
-      attributions: '&#169;<a href="https://git.milliways.info/Milliways/cccamp19-map">Milliways</a>',
-      attributionsCollapsible: false,
       style: function(feature) {
         for (var key in styles) {
           var value = feature.get(key);
@@ -165,12 +170,41 @@ var map = new MapClass({
         }
         return null;
       }
-    })
-  ],
-  view: new View({
-    center: coordinate_cccamp19,
-    zoom: 17
-  })
+});
+
+
+var osmLayer = new TileLayer({
+	title: 'OSM',
+	type: 'base',
+	source: new OSM()
+});
+
+var map = new MapClass({
+	target: 'map',
+	controls: defaultControls().extend([
+		new LayerSwitcher()
+	]),
+	numZoomLevels: 19,
+	units: 'm',
+	layers: [
+		new LayerGroup({
+			title: 'Base Layers',
+			layers: [
+				tileLayer,
+				osmLayer
+			]
+		}),
+		new LayerGroup({
+			title: 'overlays',
+			layers: [
+				vectorLayer
+			]
+		})
+	],
+	view: new View({
+		center: coordinate_cccamp19,
+		zoom: 17
+	})
 });
 
 

src/app.scss

@@ -1,4 +1,5 @@
 @import "~ol/ol.css";
+@import "~ol-layerswitcher/src/ol-layerswitcher.css";
 
 html, body {
 	margin: 0;