diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6afd2ce..2fbcbec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
+ - v3.1.0 - Add esri overlay layers
  - v3.0.0 - Bump to Leaflet 1.9.4
             Move to geoman for drawing shapes.
             Allow command.rotation to set rotation of map.
diff --git a/README.md b/README.md
index e309b6b..16202d7 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ Feel free to [![](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%
 
 ### Updates
 
+- v3.1.0  - Add esri overlay layers
 - v3.0.0  - Bump to Leaflet 1.9.4
             Move to geoman for drawing shapes.
             Allow command.rotation to set rotation of map.
@@ -611,6 +612,18 @@ As per the geojson overlay you can also inject a KML layer, GPX layer or TOPOJSO
 
 Again the boolean `fit` or `fly` properties can be added to make the map zoom to the relevant area, and the `visible` property can be set false to not immediately show the layer.
 
+#### To add an ESRI FeatureLayer overlay
+
+As per the geojson overlay you can also inject an ESRI ArcGIS FeatureLayer layer. The syntax is the same but with an `esri` property containing the url of the desired feature layer.
+
+    msg.payload.command.map = {
+        "overlay": "myFeatureLayer",
+        "esri": "https://services3.arcgis.com/...../0",
+        "options": { object of options }
+    };
+
+NOTE: you can set various options as [specified here](https://developers.arcgis.com/esri-leaflet/api-reference/layers/feature-layer/#options) - but these don't currently indlude the style oo onEachFeature fnctions as they are non-serialisable across the websocket link.
+
 #### To add a Velocity Grid Overlay
 
     msg.payload.command.map = {
diff --git a/package.json b/package.json
index 3444bb7..4abc28f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "3.0.0",
+    "version": "3.1.0",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "@turf/bezier-spline": "~6.5.0",
diff --git a/worldmap/index.html b/worldmap/index.html
index 75a327f..615ebf8 100644
--- a/worldmap/index.html
+++ b/worldmap/index.html
@@ -75,6 +75,7 @@
     <script src="leaflet/leaflet.mousecoordinate.js"></script>
     <script src="leaflet/leaflet.latlng-graticule.js"></script>
     <script src="leaflet/VectorTileLayer.umd.min.js"></script>
+    <script src="leaflet/esri-leaflet.js"></script>
     <script src="leaflet/Semicircle.js"></script>
     <script src='leaflet/leaflet-arc.min.js'></script>
     <script src='leaflet/leaflet.antimeridian-src.js'></script>
diff --git a/worldmap/leaflet/esri-leaflet.js b/worldmap/leaflet/esri-leaflet.js
new file mode 100644
index 0000000..1bd9763
--- /dev/null
+++ b/worldmap/leaflet/esri-leaflet.js
@@ -0,0 +1,12 @@
+/* esri-leaflet - v3.0.11 - Mon Aug 07 2023 10:50:29 GMT-0500 (Central Daylight Time)
+ * Copyright (c) 2023 Environmental Systems Research Institute, Inc.
+ * Apache-2.0 */
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+/* @preserve
+  * @terraformer/arcgis - v2.0.7 - MIT
+  * Copyright (c) 2012-2021 Environmental Systems Research Institute, Inc.
+  * Thu Jul 22 2021 13:58:30 GMT-0700 (Pacific Daylight Time)
+  */
+/* Copyright (c) 2012-2019 Environmental Systems Research Institute, Inc.
+   * Apache-2.0 */function T(t,e){return I(t,e)}function C(t,e){return S(t,e)}function w(t){if("NaN"!==t.xmin&&"NaN"!==t.ymin&&"NaN"!==t.xmax&&"NaN"!==t.ymax){var i=e.latLng(t.ymin,t.xmin),s=e.latLng(t.ymax,t.xmax);return e.latLngBounds(i,s)}return null}function R(t){return{xmin:(t=e.latLngBounds(t)).getSouthWest().lng,ymin:t.getSouthWest().lat,xmax:t.getNorthEast().lng,ymax:t.getNorthEast().lat,spatialReference:{wkid:4326}}}var P=/^(OBJECTID|FID|OID|ID)$/i;function O(t){var e;if(t.objectIdFieldName)e=t.objectIdFieldName;else if(t.fields){for(var i=0;i<=t.fields.length-1;i++)if("esriFieldTypeOID"===t.fields[i].type){e=t.fields[i].name;break}if(!e)for(i=0;i<=t.fields.length-1;i++)if(t.fields[i].name.match(P)){e=t.fields[i].name;break}}return e}function F(t){for(var e in t.attributes)if(e.match(P))return e}function k(t,e){var i,s=t.features||t.results,r=s&&s.length;i=e||O(t);var o={type:"FeatureCollection",features:[]};if(r)for(var n=s.length-1;n>=0;n--){var a=C(s[n],i||F(s[n]));o.features.push(a)}return o}function M(t){return"/"!==(t=e.Util.trim(t))[t.length-1]&&(t+="/"),t}function U(t){if(-1!==t.url.indexOf("?")){t.requestParams=t.requestParams||{};var e=t.url.substring(t.url.indexOf("?")+1);t.url=t.url.split("?")[0],t.requestParams=JSON.parse('{"'+decodeURI(e).replace(/"/g,'\\"').replace(/&/g,'","').replace(/=/g,'":"')+'"}')}return t.url=M(t.url.split("?")[0]),t}function G(t){return/^(?!.*utility\.arcgis\.com).*\.arcgis\.com.*FeatureServer/i.test(t)}function D(t){var e;switch(t){case"Point":e="esriGeometryPoint";break;case"MultiPoint":e="esriGeometryMultipoint";break;case"LineString":case"MultiLineString":e="esriGeometryPolyline";break;case"Polygon":case"MultiPolygon":e="esriGeometryPolygon"}return e}function q(t){return t.getSize().x-n.attributionWidthOffset+"px"}function B(t){if(t.attributionControl){if(t.attributionControl._esriAttributionLayerCount||(t.attributionControl._esriAttributionLayerCount=0),0===t.attributionControl._esriAttributionLayerCount){if(!t.attributionControl._esriAttributionAddedOnce){var i=document.createElement("style");i.type="text/css",i.innerHTML=".esri-truncated-attribution:hover {white-space: normal;}",document.getElementsByTagName("head")[0].appendChild(i);var s=document.createElement("style");s.type="text/css",s.innerHTML=".esri-truncated-attribution {vertical-align: -3px;white-space: nowrap;overflow: hidden;text-overflow: ellipsis;display: inline-block;transition: 0s white-space;transition-delay: 1s;max-width: "+q(t)+";}",document.getElementsByTagName("head")[0].appendChild(s),t.on("resize",(function(e){t.attributionControl&&(t.attributionControl._container.style.maxWidth=q(e.target))})),t.attributionControl._esriAttributionAddedOnce=!0}e.DomUtil.addClass(t.attributionControl._container,"esri-truncated-attribution:hover"),e.DomUtil.addClass(t.attributionControl._container,"esri-truncated-attribution")}t.attributionControl._esriAttributionLayerCount=t.attributionControl._esriAttributionLayerCount+1}}function E(t){t.attributionControl&&(t.attributionControl._esriAttributionLayerCount&&1===t.attributionControl._esriAttributionLayerCount&&(e.DomUtil.removeClass(t.attributionControl._container,"esri-truncated-attribution:hover"),e.DomUtil.removeClass(t.attributionControl._container,"esri-truncated-attribution")),t.attributionControl._esriAttributionLayerCount=t.attributionControl._esriAttributionLayerCount-1)}function z(t){var i={geometry:null,geometryType:null};return t instanceof e.LatLngBounds?(i.geometry=R(t),i.geometryType="esriGeometryEnvelope",i):(t.getLatLng&&(t=t.getLatLng()),t instanceof e.LatLng&&(t={type:"Point",coordinates:[t.lng,t.lat]}),t instanceof e.GeoJSON&&(t=t.getLayers()[0].feature.geometry,i.geometry=T(t),i.geometryType=D(t.type)),t.toGeoJSON&&(t=t.toGeoJSON()),"Feature"===t.type&&(t=t.geometry),"Point"===t.type||"LineString"===t.type||"Polygon"===t.type||"MultiPolygon"===t.type?(i.geometry=T(t),i.geometryType=D(t.type),i):void f("invalid geometry passed to spatial query. 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this._cleanParams(),this.options.isModern||G(this.options.url)&&void 0===this.options.isModern?(this.params.f="geojson",this.request((function(i,s){this._trapSQLerrors(i),t.call(e,i,s,s)}),this)):this.request((function(i,s){this._trapSQLerrors(i),t.call(e,i,s&&k(s),s)}),this)},count:function(t,e){return this._cleanParams(),this.params.returnCountOnly=!0,this.request((function(e,i){t.call(this,e,i&&i.count,i)}),e)},ids:function(t,e){return this._cleanParams(),this.params.returnIdsOnly=!0,this.request((function(e,i){t.call(this,e,i&&i.objectIds,i)}),e)},bounds:function(t,e){return this._cleanParams(),this.params.returnExtentOnly=!0,this.request((function(i,s){s&&s.extent&&w(s.extent)?t.call(e,i,w(s.extent),s):(i={message:"Invalid Bounds"},t.call(e,i,null,s))}),e)},distinct:function(){return this.params.returnGeometry=!1,this.params.returnDistinctValues=!0,this},pixelSize:function(t){var i=e.point(t);return this.params.pixelSize=[i.x,i.y],this},layer:function(t){return this.path=t+"/query",this},_trapSQLerrors:function(t){t&&"400"===t.code&&f("one common syntax error in query requests is encasing string values in double quotes instead of single quotes")},_cleanParams:function(){delete this.params.returnIdsOnly,delete this.params.returnExtentOnly,delete this.params.returnCountOnly},_setGeometryParams:function(t){this.params.inSR=4326;var e=z(t);this.params.geometry=e.geometry,this.params.geometryType=e.geometryType}});function V(t){return new J(t)}var Q=W.extend({setters:{contains:"contains",text:"searchText",fields:"searchFields",spatialReference:"sr",sr:"sr",layers:"layers",returnGeometry:"returnGeometry",maxAllowableOffset:"maxAllowableOffset",precision:"geometryPrecision",dynamicLayers:"dynamicLayers",returnZ:"returnZ",returnM:"returnM",gdbVersion:"gdbVersion",token:"token"},path:"find",params:{sr:4326,contains:!0,returnGeometry:!0,returnZ:!0,returnM:!1},layerDefs:function(t,e){return this.params.layerDefs=this.params.layerDefs?this.params.layerDefs+";":"",this.params.layerDefs+=[t,e].join(":"),this},simplify:function(t,e){var i=Math.abs(t.getBounds().getWest()-t.getBounds().getEast());return this.params.maxAllowableOffset=i/t.getSize().y*e,this},run:function(t,e){return this.request((function(i,s){t.call(e,i,s&&k(s),s)}),e)}});function K(t){return new Q(t)}var H=W.extend({path:"identify",between:function(t,e){return this.params.time=[t.valueOf(),e.valueOf()],this}});var X=H.extend({setters:{layers:"layers",precision:"geometryPrecision",tolerance:"tolerance",returnGeometry:"returnGeometry"},params:{sr:4326,layers:"all",tolerance:3,returnGeometry:!0},on:function(t){var e=R(t.getBounds()),i=t.getSize();return this.params.imageDisplay=[i.x,i.y,96],this.params.mapExtent=[e.xmin,e.ymin,e.xmax,e.ymax],this},at:function(t){return 2===t.length&&(t=e.latLng(t)),this._setGeometryParams(t),this},layerDef:function(t,e){return this.params.layerDefs=this.params.layerDefs?this.params.layerDefs+";":"",this.params.layerDefs+=[t,e].join(":"),this},simplify:function(t,e){var i=Math.abs(t.getBounds().getWest()-t.getBounds().getEast());return this.params.maxAllowableOffset=i/t.getSize().y*e,this},run:function(t,e){return this.request((function(i,s){if(i)t.call(e,i,void 0,s);else{var r=k(s);s.results=s.results.reverse();for(var o=0;o<r.features.length;o++){r.features[o].layerId=s.results[o].layerId}t.call(e,void 0,r,s)}}))},_setGeometryParams:function(t){var e=z(t);this.params.geometry=e.geometry,this.params.geometryType=e.geometryType}});function Y(t){return new X(t)}var $=H.extend({setters:{setMosaicRule:"mosaicRule",setRenderingRule:"renderingRule",setPixelSize:"pixelSize",returnCatalogItems:"returnCatalogItems",returnGeometry:"returnGeometry"},params:{returnGeometry:!1},at:function(t){return t=e.latLng(t),this.params.geometry=JSON.stringify({x:t.lng,y:t.lat,spatialReference:{wkid:4326}}),this.params.geometryType="esriGeometryPoint",this},getMosaicRule:function(){return this.params.mosaicRule},getRenderingRule:function(){return this.params.renderingRule},getPixelSize:function(){return this.params.pixelSize},run:function(t,e){return this.request((function(i,s){t.call(e,i,s&&this._responseToGeoJSON(s),s)}),this)},_responseToGeoJSON:function(t){var e=t.location,i=t.catalogItems,s=t.catalogItemVisibilities,r={pixel:{type:"Feature",geometry:{type:"Point",coordinates:[e.x,e.y]},crs:{type:"EPSG",properties:{code:e.spatialReference.wkid}},properties:{OBJECTID:t.objectId,name:t.name,value:t.value},id:t.objectId}};if(t.properties&&t.properties.Values&&(r.pixel.properties.values=t.properties.Values),i&&i.features&&(r.catalogItems=k(i),s&&s.length===r.catalogItems.features.length))for(var o=s.length-1;o>=0;o--)r.catalogItems.features[o].properties.catalogItemVisibility=s[o];return r}});function tt(t){return new $(t)}var et=e.Evented.extend({options:{proxy:!1,useCors:s,timeout:0},initialize:function(t){t=t||{},this._requestQueue=[],this._authenticating=!1,e.Util.setOptions(this,t),this.options.url=M(this.options.url)},get:function(t,e,i,s){return this._request("get",t,e,i,s)},post:function(t,e,i,s){return this._request("post",t,e,i,s)},request:function(t,e,i,s){return this._request("request",t,e,i,s)},metadata:function(t,e){return this._request("get","",{},t,e)},authenticate:function(t){return this._authenticating=!1,this.options.token=t,this._runQueue(),this},getTimeout:function(){return this.options.timeout},setTimeout:function(t){this.options.timeout=t},_request:function(t,i,s,r,o){this.fire("requeststart",{url:this.options.url+i,params:s,method:t},!0);var n=this._createServiceCallback(t,i,s,r,o);if(this.options.token&&(s.token=this.options.token),this.options.requestParams&&e.Util.extend(s,this.options.requestParams),!this._authenticating){var a=this.options.proxy?this.options.proxy+"?"+this.options.url+i:this.options.url+i;return"get"!==t&&"request"!==t||this.options.useCors?y[t](a,s,n,o):y.get.JSONP(a,s,n,o)}this._requestQueue.push([t,i,s,r,o])},_createServiceCallback:function(t,i,s,r,o){return e.Util.bind((function(n,a){!n||499!==n.code&&498!==n.code||(this._authenticating=!0,this._requestQueue.push([t,i,s,r,o]),this.fire("authenticationrequired",{authenticate:e.Util.bind(this.authenticate,this)},!0),n.authenticate=e.Util.bind(this.authenticate,this)),r.call(o,n,a),n?this.fire("requesterror",{url:this.options.url+i,params:s,message:n.message,code:n.code,method:t},!0):this.fire("requestsuccess",{url:this.options.url+i,params:s,response:a,method:t},!0),this.fire("requestend",{url:this.options.url+i,params:s,method:t},!0)}),this)},_runQueue:function(){for(var t=this._requestQueue.length-1;t>=0;t--){var e=this._requestQueue[t];this[e.shift()].apply(this,e)}this._requestQueue=[]}});var it=et.extend({identify:function(){return Y(this)},find:function(){return K(this)},query:function(){return V(this)}});function st(t){return new it(t)}var rt=et.extend({query:function(){return V(this)},identify:function(){return tt(this)}});function ot(t){return new rt(t)}var nt=et.extend({options:{idAttribute:"OBJECTID"},query:function(){return V(this)},addFeature:function(t,e,i){this.addFeatures(t,e,i)},addFeatures:function(t,e,i){for(var s=t.features?t.features:[t],r=s.length-1;r>=0;r--)delete s[r].id;return t=T(t),t=s.length>1?t:[t],this.post("addFeatures",{features:t},(function(t,s){var r=s&&s.addResults?s.addResults.length>1?s.addResults:s.addResults[0]:void 0;e&&e.call(i,t||s.addResults[0].error,r)}),i)},updateFeature:function(t,e,i){this.updateFeatures(t,e,i)},updateFeatures:function(t,e,i){var s=t.features?t.features:[t];return t=T(t,this.options.idAttribute),t=s.length>1?t:[t],this.post("updateFeatures",{features:t},(function(t,s){var r=s&&s.updateResults?s.updateResults.length>1?s.updateResults:s.updateResults[0]:void 0;e&&e.call(i,t||s.updateResults[0].error,r)}),i)},deleteFeature:function(t,e,i){this.deleteFeatures(t,e,i)},deleteFeatures:function(t,e,i){return this.post("deleteFeatures",{objectIds:t},(function(t,s){var r=s&&s.deleteResults?s.deleteResults.length>1?s.deleteResults:s.deleteResults[0]:void 0;e&&e.call(i,t||s.deleteResults[0].error,r)}),i)}});function at(t){return new nt(t)}var lt="https:"!==window.location.protocol?"http:":"https:",ut=e.TileLayer.extend({statics:{TILES:{Streets:{urlTemplate:lt+"//{s}.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:19,subdomains:["server","services"],attribution:"USGS, 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NOAA",attributionUrl:"https://static.arcgis.com/attribution/Ocean_Basemap"}},OceansLabels:{urlTemplate:lt+"//{s}.arcgisonline.com/arcgis/rest/services/Ocean/World_Ocean_Reference/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:16,subdomains:["server","services"],pane:r?"esri-labels":"tilePane",attribution:""}},NationalGeographic:{urlTemplate:lt+"//{s}.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:16,subdomains:["server","services"],attribution:"National Geographic, DeLorme, HERE, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, increment P Corp."}},DarkGray:{urlTemplate:lt+"//{s}.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Dark_Gray_Base/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:16,subdomains:["server","services"],attribution:"HERE, DeLorme, MapmyIndia, &copy; OpenStreetMap 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USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS User 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NOAA"}},TerrainLabels:{urlTemplate:lt+"//{s}.arcgisonline.com/ArcGIS/rest/services/Reference/World_Reference_Overlay/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:13,subdomains:["server","services"],pane:r?"esri-labels":"tilePane",attribution:""}},USATopo:{urlTemplate:lt+"//{s}.arcgisonline.com/ArcGIS/rest/services/USA_Topo_Maps/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:15,subdomains:["server","services"],attribution:"USGS, National Geographic Society, i-cubed"}},ImageryClarity:{urlTemplate:lt+"//clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:19,attribution:"Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community"}},Physical:{urlTemplate:lt+"//{s}.arcgisonline.com/arcgis/rest/services/World_Physical_Map/MapServer/tile/{z}/{y}/{x}",options:{minZoom:1,maxZoom:8,subdomains:["server","services"],attribution:"U.S. National Park 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Support may be available through Proj4Leaflet https://developers.arcgis.com/esri-leaflet/samples/non-mercator-projection/");else{this._lodMap={};for(var o=s.tileInfo.lods,n=ht.MercatorZoomLevels,a=0;a<o.length;a++){var l=o[a];for(var u in n){var h=n[u];if(this._withinPercentage(l.resolution,h,this.options.zoomOffsetAllowance)){this._lodMap[u]=l.level;break}}}this.fire("lodmap")}}}),this),e.TileLayer.prototype.onAdd.call(this,t)},onRemove:function(t){E(t),e.TileLayer.prototype.onRemove.call(this,t)},metadata:function(t,e){return this.service.metadata(t,e),this},identify:function(){return this.service.identify()},find:function(){return this.service.find()},query:function(){return this.service.query()},authenticate:function(t){var e="?token="+t;return this.tileUrl=this.options.token?this.tileUrl.replace(/\?token=(.+)/g,e):this.tileUrl+e,this.options.token=t,this.service.authenticate(t),this},_withinPercentage:function(t,e,i){return Math.abs(t/e-1)<i}});var ct=e.ImageOverlay.extend({onAdd:function(t){this._topLeft=t.getPixelBounds().min,e.ImageOverlay.prototype.onAdd.call(this,t)},_reset:function(){this._map.options.crs===e.CRS.EPSG3857?e.ImageOverlay.prototype._reset.call(this):e.DomUtil.setPosition(this._image,this._topLeft.subtract(this._map.getPixelOrigin()))}}),pt=e.Layer.extend({options:{opacity:1,position:"front",f:"image",useCors:s,attribution:null,interactive:!1,alt:""},onAdd:function(t){B(t),this.options.zIndex&&(this.options.position=null),this._update=e.Util.throttle(this._update,this.options.updateInterval,this),t.on("moveend",this._update,this),this._currentImage&&this._currentImage._bounds.equals(this._map.getBounds())?t.addLayer(this._currentImage):this._currentImage&&(this._map.removeLayer(this._currentImage),this._currentImage=null),this._update(),this._popup&&(this._map.on("click",this._getPopupData,this),this._map.on("dblclick",this._resetPopupState,this)),this.metadata((function(e,i){!e&&!this.options.attribution&&t.attributionControl&&i.copyrightText&&(this.options.attribution=i.copyrightText,t.attributionControl.addAttribution(this.getAttribution()))}),this)},onRemove:function(t){E(t),this._currentImage&&this._map.removeLayer(this._currentImage),this._popup&&(this._map.off("click",this._getPopupData,this),this._map.off("dblclick",this._resetPopupState,this)),this._map.off("moveend",this._update,this)},bindPopup:function(t,i){return this._shouldRenderPopup=!1,this._lastClick=!1,this._popup=e.popup(i),this._popupFunction=t,this._map&&(this._map.on("click",this._getPopupData,this),this._map.on("dblclick",this._resetPopupState,this)),this},unbindPopup:function(){return this._map&&(this._map.closePopup(this._popup),this._map.off("click",this._getPopupData,this),this._map.off("dblclick",this._resetPopupState,this)),this._popup=!1,this},bringToFront:function(){return this.options.position="front",this._currentImage&&(this._currentImage.bringToFront(),this._setAutoZIndex(Math.max)),this},bringToBack:function(){return this.options.position="back",this._currentImage&&(this._currentImage.bringToBack(),this._setAutoZIndex(Math.min)),this},setZIndex:function(t){return this.options.zIndex=t,this._currentImage&&this._currentImage.setZIndex(t),this},_setAutoZIndex:function(t){if(this._currentImage){for(var e,i=this._currentImage.getPane().children,s=-t(-1/0,1/0),r=0,o=i.length;r<o;r++)e=i[r].style.zIndex,i[r]!==this._currentImage._image&&e&&(s=t(s,+e));isFinite(s)&&(this.options.zIndex=s+t(-1,1),this.setZIndex(this.options.zIndex))}},getAttribution:function(){return this.options.attribution},getOpacity:function(){return this.options.opacity},setOpacity:function(t){return this.options.opacity=t,this._currentImage&&this._currentImage.setOpacity(t),this},getTimeRange:function(){return[this.options.from,this.options.to]},setTimeRange:function(t,e){return this.options.from=t,this.options.to=e,this._update(),this},metadata:function(t,e){return this.service.metadata(t,e),this},authenticate:function(t){return this.service.authenticate(t),this},redraw:function(){this._update()},_renderImage:function(t,e,i){if(this._map){if(i&&(t="data:"+i+";base64,"+t),!t)return;var s=new ct(t,e,{opacity:0,crossOrigin:this.options.withCredentials?"use-credentials":this.options.useCors,alt:this.options.alt,pane:this.options.pane||this.getPane(),interactive:this.options.interactive}).addTo(this._map),r=function(){this._map.removeLayer(s),this.fire("error"),s.off("load",o,this)},o=function(t){if(s.off("error",r,this),this._map){var i=t.target,o=this._currentImage;i._bounds.equals(e)&&i._bounds.equals(this._map.getBounds())?(this._currentImage=i,"front"===this.options.position?this.bringToFront():"back"===this.options.position&&this.bringToBack(),this.options.zIndex&&this.setZIndex(this.options.zIndex),this._map&&this._currentImage._map?this._currentImage.setOpacity(this.options.opacity):this._currentImage._map.removeLayer(this._currentImage),o&&this._map&&this._map.removeLayer(o),o&&o._map&&o._map.removeLayer(o)):this._map.removeLayer(i)}this.fire("load",{bounds:e})};s.once("error",r,this),s.once("load",o,this)}},_update:function(){if(this._map){var t=this._map.getZoom(),i=this._map.getBounds();if(!(this._animatingZoom||this._map._panTransition&&this._map._panTransition._inProgress))if(t>this.options.maxZoom||t<this.options.minZoom)this._currentImage&&(this._currentImage._map.removeLayer(this._currentImage),this._currentImage=null);else{var s=this._buildExportParams();e.Util.extend(s,this.options.requestParams),s?(this._requestExport(s,i),this.fire("loading",{bounds:i})):this._currentImage&&(this._currentImage._map.removeLayer(this._currentImage),this._currentImage=null)}}},_renderPopup:function(t,i,s,r){if(t=e.latLng(t),this._shouldRenderPopup&&this._lastClick.equals(t)){var o=this._popupFunction(i,s,r);o&&this._popup.setLatLng(t).setContent(o).openOn(this._map)}},_resetPopupState:function(t){this._shouldRenderPopup=!1,this._lastClick=t.latlng},_calculateBbox:function(){var t=this._map.getPixelBounds(),i=this._map.unproject(t.getBottomLeft()),s=this._map.unproject(t.getTopRight()),r=this._map.options.crs.project(s),o=this._map.options.crs.project(i),n=e.bounds(r,o);return[n.getBottomLeft().x,n.getBottomLeft().y,n.getTopRight().x,n.getTopRight().y].join(",")},_calculateImageSize:function(){var t=this._map.getPixelBounds(),e=this._map.getSize(),i=this._map.unproject(t.getBottomLeft()),s=this._map.unproject(t.getTopRight()),r=this._map.latLngToLayerPoint(s).y,o=this._map.latLngToLayerPoint(i).y;return(r>0||o<e.y)&&(e.y=o-r),e.x+","+e.y}}),dt=pt.extend({options:{updateInterval:150,format:"jpgpng",transparent:!0,f:"image"},query:function(){return this.service.query()},identify:function(){return this.service.identify()},initialize:function(t){t=U(t),this.service=ot(t),this.service.addEventParent(this),e.Util.setOptions(this,t)},setPixelType:function(t){return this.options.pixelType=t,this._update(),this},getPixelType:function(){return this.options.pixelType},setBandIds:function(t){return e.Util.isArray(t)?this.options.bandIds=t.join(","):this.options.bandIds=t.toString(),this._update(),this},getBandIds:function(){return this.options.bandIds},setNoData:function(t,i){return e.Util.isArray(t)?this.options.noData=t.join(","):this.options.noData=t.toString(),i&&(this.options.noDataInterpretation=i),this._update(),this},getNoData:function(){return this.options.noData},getNoDataInterpretation:function(){return this.options.noDataInterpretation},setRenderingRule:function(t){this.options.renderingRule=t,this._update()},getRenderingRule:function(){return this.options.renderingRule},setMosaicRule:function(t){this.options.mosaicRule=t,this._update()},getMosaicRule:function(){return this.options.mosaicRule},_getPopupData:function(t){var i=e.Util.bind((function(i,s,r){i||setTimeout(e.Util.bind((function(){this._renderPopup(t.latlng,i,s,r)}),this),300)}),this),s=this.identify().at(t.latlng);this.options.mosaicRule&&s.setMosaicRule(this.options.mosaicRule),s.run(i),this._shouldRenderPopup=!0,this._lastClick=t.latlng},_buildExportParams:function(){var t=parseInt(this._map.options.crs.code.split(":")[1],10),e={bbox:this._calculateBbox(),size:this._calculateImageSize(),format:this.options.format,transparent:this.options.transparent,bboxSR:t,imageSR:t};return this.options.from&&this.options.to&&(e.time=this.options.from.valueOf()+","+this.options.to.valueOf()),this.options.pixelType&&(e.pixelType=this.options.pixelType),this.options.interpolation&&(e.interpolation=this.options.interpolation),this.options.compressionQuality&&(e.compressionQuality=this.options.compressionQuality),this.options.bandIds&&(e.bandIds=this.options.bandIds),(0===this.options.noData||this.options.noData)&&(e.noData=this.options.noData),this.options.noDataInterpretation&&(e.noDataInterpretation=this.options.noDataInterpretation),this.service.options.token&&(e.token=this.service.options.token),this.options.renderingRule&&(e.renderingRule=JSON.stringify(this.options.renderingRule)),this.options.mosaicRule&&(e.mosaicRule=JSON.stringify(this.options.mosaicRule)),e},_requestExport:function(t,i){if("json"===this.options.f)this.service.request("exportImage",t,(function(t,e){t||(this.options.token&&(e.href+="?token="+this.options.token),this.options.proxy&&(e.href=this.options.proxy+"?"+e.href),this._renderImage(e.href,i))}),this);else{t.f="image";var s=this.options.url+"exportImage"+e.Util.getParamString(t);this.options.proxy&&(s=this.options.proxy+"?"+s),this._renderImage(s,i)}}});var mt=pt.extend({options:{updateInterval:150,layers:!1,layerDefs:!1,timeOptions:!1,format:"png32",transparent:!0,f:"json"},initialize:function(t){t=U(t),this.service=st(t),this.service.addEventParent(this),e.Util.setOptions(this,t)},getDynamicLayers:function(){return this.options.dynamicLayers},setDynamicLayers:function(t){return this.options.dynamicLayers=t,this._update(),this},getLayers:function(){return this.options.layers},setLayers:function(t){return this.options.layers=t,this._update(),this},getLayerDefs:function(){return this.options.layerDefs},setLayerDefs:function(t){return this.options.layerDefs=t,this._update(),this},getTimeOptions:function(){return this.options.timeOptions},setTimeOptions:function(t){return this.options.timeOptions=t,this._update(),this},query:function(){return this.service.query()},identify:function(){return this.service.identify()},find:function(){return this.service.find()},_getPopupData:function(t){var i,s=e.Util.bind((function(i,s,r){i||setTimeout(e.Util.bind((function(){this._renderPopup(t.latlng,i,s,r)}),this),300)}),this);if((i=this.options.popup?this.options.popup.on(this._map).at(t.latlng):this.identify().on(this._map).at(t.latlng)).params.maxAllowableOffset||i.simplify(this._map,.5),this.options.popup&&this.options.popup.params&&this.options.popup.params.layers||(this.options.layers?i.layers("visible:"+this.options.layers.join(",")):i.layers("visible")),this.options.layerDefs&&"string"!=typeof this.options.layerDefs&&!i.params.layerDefs)for(var r in this.options.layerDefs)Object.prototype.hasOwnProperty.call(this.options.layerDefs,r)&&i.layerDef(r,this.options.layerDefs[r]);i.run(s),this._shouldRenderPopup=!0,this._lastClick=t.latlng},_buildExportParams:function(){var t=parseInt(this._map.options.crs.code.split(":")[1],10),e={bbox:this._calculateBbox(),size:this._calculateImageSize(),dpi:96,format:this.options.format,transparent:this.options.transparent,bboxSR:t,imageSR:t};if(this.options.dynamicLayers&&(e.dynamicLayers=this.options.dynamicLayers),this.options.layers){if(0===this.options.layers.length)return;e.layers="show:"+this.options.layers.join(",")}return this.options.layerDefs&&(e.layerDefs="string"==typeof this.options.layerDefs?this.options.layerDefs:JSON.stringify(this.options.layerDefs)),this.options.timeOptions&&(e.timeOptions=JSON.stringify(this.options.timeOptions)),this.options.from&&this.options.to&&(e.time=this.options.from.valueOf()+","+this.options.to.valueOf()),this.service.options.token&&(e.token=this.service.options.token),this.options.proxy&&(e.proxy=this.options.proxy),this.options.disableCache&&(e._ts=Date.now()),e},_requestExport:function(t,i){if("json"===this.options.f)this.service.request("export",t,(function(t,e){t||(this.options.token&&e.href&&(e.href+="?token="+this.options.token),this.options.proxy&&e.href&&(e.href=this.options.proxy+"?"+e.href),e.href?this._renderImage(e.href,i):this._renderImage(e.imageData,i,e.contentType))}),this);else{t.f="image";var s=this.options.url+"export"+e.Util.getParamString(t);this.options.proxy&&(s=this.options.proxy+"?"+s),this._renderImage(s,i)}}});var ft=e.Layer.extend({options:{cellSize:512,updateWhenIdle:e.Browser.mobile,updateInterval:150,noWrap:!1,keepBuffer:1.5},initialize:function(t){e.Util.setOptions(this,t)},onAdd:function(t){this._cells={},this._activeCells={},this._resetView(),this._update()},onRemove:function(t){this._removeAllCells(),this._cellZoom=void 0},isLoading:function(){return this._loading},redraw:function(){return this._map&&(this._removeAllCells(),this._update()),this},getEvents:function(){var t={viewprereset:this._invalidateAll,viewreset:this._resetView,zoom:this._resetView,moveend:this._onMoveEnd};return this.options.updateWhenIdle||(this._onMove||(this._onMove=e.Util.throttle(this._onMoveEnd,this.options.updateInterval,this)),t.move=this._onMove),t},createCell:function(){return document.createElement("div")},removeCell:function(){},reuseCell:function(){},cellLeave:function(){},cellEnter:function(){},getCellSize:function(){var t=this.options.cellSize;return t instanceof e.Point?t:new e.Point(t,t)},_pruneCells:function(){if(this._map){var t,e;for(t in this._cells)(e=this._cells[t]).retain=e.current;for(t in this._cells)if((e=this._cells[t]).current&&!e.active){var i=e.coords;this._retainParent(i.x,i.y,i.z,i.z-5)||this._retainChildren(i.x,i.y,i.z,i.z+2)}for(t in this._cells)this._cells[t].retain||this._removeCell(t)}},_removeAllCells:function(){for(var t in this._cells)this._removeCell(t)},_invalidateAll:function(){this._removeAllCells(),this._cellZoom=void 0},_retainParent:function(t,i,s,r){var o=Math.floor(t/2),n=Math.floor(i/2),a=s-1,l=new e.Point(+o,+n);l.z=+a;var u=this._cellCoordsToKey(l),h=this._cells[u];return h&&h.active?(h.retain=!0,!0):(h&&h.loaded&&(h.retain=!0),a>r&&this._retainParent(o,n,a,r))},_retainChildren:function(t,i,s,r){for(var o=2*t;o<2*t+2;o++)for(var n=2*i;n<2*i+2;n++){var a=new e.Point(o,n);a.z=s+1;var l=this._cellCoordsToKey(a),u=this._cells[l];u&&u.active?u.retain=!0:(u&&u.loaded&&(u.retain=!0),s+1<r&&this._retainChildren(o,n,s+1,r))}},_resetView:function(t){var e=t&&(t.pinch||t.flyTo);e||this._setView(this._map.getCenter(),this._map.getZoom(),e,e)},_setView:function(t,e,i,s){var r=Math.round(e);s||(this._cellZoom=r,this._abortLoading&&this._abortLoading(),this._resetGrid(),void 0!==r&&this._update(t),i||this._pruneCells(),this._noPrune=!!i)},_resetGrid:function(){var t=this._map,e=t.options.crs,i=this._cellSize=this.getCellSize(),s=this._cellZoom,r=this._map.getPixelWorldBounds(this._cellZoom);r&&(this._globalCellRange=this._pxBoundsToCellRange(r)),this._wrapX=e.wrapLng&&!this.options.noWrap&&[Math.floor(t.project([0,e.wrapLng[0]],s).x/i.x),Math.ceil(t.project([0,e.wrapLng[1]],s).x/i.y)],this._wrapY=e.wrapLat&&!this.options.noWrap&&[Math.floor(t.project([e.wrapLat[0],0],s).y/i.x),Math.ceil(t.project([e.wrapLat[1],0],s).y/i.y)]},_onMoveEnd:function(t){t&&(t.pinch||t.flyTo)||!this._map||this._map._animatingZoom||this._update()},_getCelldPixelBounds:function(t){var i=this._map,s=i._animatingZoom?Math.max(i._animateToZoom,i.getZoom()):i.getZoom(),r=i.getZoomScale(s,this._cellZoom),o=i.project(t,this._cellZoom).floor(),n=i.getSize().divideBy(2*r);return new e.Bounds(o.subtract(n),o.add(n))},_update:function(t){var i=this._map;if(i){var s=Math.round(i.getZoom());void 0===t&&(t=i.getCenter());var r=this._getCelldPixelBounds(t),o=this._pxBoundsToCellRange(r),n=o.getCenter(),a=[],l=this.options.keepBuffer,u=new e.Bounds(o.getBottomLeft().subtract([l,-l]),o.getTopRight().add([l,-l]));if(!(isFinite(o.min.x)&&isFinite(o.min.y)&&isFinite(o.max.x)&&isFinite(o.max.y)))throw new Error("Attempted to load an infinite number of cells");for(var h in this._cells){var c=this._cells[h].coords;c.z===this._cellZoom&&u.contains(new e.Point(c.x,c.y))||(this._cells[h].current=!1)}if(Math.abs(s-this._cellZoom)>1)this._setView(t,s);else{for(var p=o.min.y;p<=o.max.y;p++)for(var d=o.min.x;d<=o.max.x;d++){var m=new e.Point(d,p);if(m.z=this._cellZoom,this._isValidCell(m)){var f=this._cells[this._cellCoordsToKey(m)];f?f.current=!0:a.push(m)}}if(a.sort((function(t,e){return t.distanceTo(n)-e.distanceTo(n)})),0!==a.length)for(this._loading||(this._loading=!0),d=0;d<a.length;d++){var y=this._cellCoordsToKey(a[d]),g=this._keyToCellCoords(y);this._activeCells[g]?this._reuseCell(a[d]):this._createCell(a[d])}}}},_isValidCell:function(t){var i=this._map.options.crs;if(!i.infinite){var s=this._globalCellRange;if(!i.wrapLng&&(t.x<s.min.x||t.x>s.max.x)||!i.wrapLat&&(t.y<s.min.y||t.y>s.max.y))return!1}if(!this.options.bounds)return!0;var r=this._cellCoordsToBounds(t);return e.toLatLngBounds(this.options.bounds).overlaps(r)},_keyToBounds:function(t){return this._cellCoordsToBounds(this._keyToCellCoords(t))},_cellCoordsToNwSe:function(t){var e=this._map,i=this.getCellSize(),s=t.scaleBy(i),r=s.add(i);return[e.unproject(s,t.z),e.unproject(r,t.z)]},_cellCoordsToBounds:function(t){var i=this._cellCoordsToNwSe(t),s=new e.LatLngBounds(i[0],i[1]);return this.options.noWrap||(s=this._map.wrapLatLngBounds(s)),s},_cellCoordsToKey:function(t){return t.x+":"+t.y+":"+t.z},_keyToCellCoords:function(t){var i=t.split(":"),s=new e.Point(+i[0],+i[1]);return s.z=+i[2],s},_removeCell:function(t){var e=this._cells[t];if(e){var i=this._keyToCellCoords(t),s=this._wrapCoords(i),r=this._cellCoordsToBounds(this._wrapCoords(i));e.current=!1,delete this._cells[t],this._activeCells[t]=e,this.cellLeave(r,s,t),this.fire("cellleave",{key:t,coords:s,bounds:r})}},_reuseCell:function(t){var e=this._cellCoordsToKey(t);this._cells[e]=this._activeCells[e],this._cells[e].current=!0;var i=this._wrapCoords(t),s=this._cellCoordsToBounds(this._wrapCoords(t));this.cellEnter(s,i,e),this.fire("cellenter",{key:e,coords:i,bounds:s})},_createCell:function(t){var i=this._cellCoordsToKey(t),s=this._wrapCoords(t),r=this._cellCoordsToBounds(this._wrapCoords(t));this.createCell(r,s,i),this.fire("cellcreate",{key:i,coords:s,bounds:r}),this._cells[i]={coords:t,current:!0},e.Util.requestAnimFrame(this._pruneCells,this)},_cellReady:function(t,e,i){var s=this._cellCoordsToKey(t);(i=this._cells[s])&&(i.loaded=+new Date,i.active=!0)},_getCellPos:function(t){return t.scaleBy(this.getCellSize())},_wrapCoords:function(t){var i=new e.Point(this._wrapX?e.Util.wrapNum(t.x,this._wrapX):t.x,this._wrapY?e.Util.wrapNum(t.y,this._wrapY):t.y);return i.z=t.z,i},_pxBoundsToCellRange:function(t){var i=this.getCellSize();return new e.Bounds(t.min.unscaleBy(i).floor(),t.max.unscaleBy(i).ceil().subtract([1,1]))}});function yt(t){this.values=[].concat(t||[])}yt.prototype.query=function(t){var e=this.getIndex(t);return this.values[e]},yt.prototype.getIndex=function(t){this.dirty&&this.sort();for(var e,i,s=0,r=this.values.length-1;s<=r;)if(e=(s+r)/2|0,+(i=this.values[Math.round(e)]).value<+t)s=e+1;else{if(!(+i.value>+t))return e;r=e-1}return Math.abs(~r)},yt.prototype.between=function(t,e){var i=this.getIndex(t),s=this.getIndex(e);if(0===i&&0===s)return[];for(;this.values[i-1]&&this.values[i-1].value===t;)i--;for(;this.values[s+1]&&this.values[s+1].value===e;)s++;return this.values[s]&&this.values[s].value===e&&this.values[s+1]&&s++,this.values.slice(i,s)},yt.prototype.insert=function(t){return this.values.splice(this.getIndex(t.value),0,t),this},yt.prototype.bulkAdd=function(t,e){return this.values=this.values.concat([].concat(t||[])),e?this.sort():this.dirty=!0,this},yt.prototype.sort=function(){return this.values.sort((function(t,e){return+e.value-+t.value})).reverse(),this.dirty=!1,this};var gt=ft.extend({options:{attribution:null,where:"1=1",fields:["*"],from:!1,to:!1,timeField:!1,timeFilterMode:"server",simplifyFactor:0,precision:6,fetchAllFeatures:!1},initialize:function(t){if(ft.prototype.initialize.call(this,t),t=U(t),t=e.Util.setOptions(this,t),this.service=at(t),this.service.addEventParent(this),"*"!==this.options.fields[0]){for(var i=!1,s=0;s<this.options.fields.length;s++)this.options.fields[s].match(/^(OBJECTID|FID|OID|ID)$/i)&&(i=!0);!1===i&&f("no known esriFieldTypeOID field detected in fields Array.  Please add an attribute field containing unique IDs to ensure the layer can be drawn correctly.")}this.options.timeField.start&&this.options.timeField.end?(this._startTimeIndex=new yt,this._endTimeIndex=new yt):this.options.timeField&&(this._timeIndex=new yt),this._cache={},this._currentSnapshot=[],this._activeRequests=0},onAdd:function(t){return B(t),this.service.metadata((function(e,i){if(!e){var s=i.supportedQueryFormats,r=!1;(!1===this.service.options.isModern||this.options.fetchAllFeatures)&&(r=!0),!r&&s&&-1!==s.indexOf("geoJSON")&&(this.service.options.isModern=!0),i.objectIdField&&(this.service.options.idAttribute=i.objectIdField),!this.options.attribution&&t.attributionControl&&i.copyrightText&&(this.options.attribution=i.copyrightText,t.attributionControl.addAttribution(this.getAttribution()))}}),this),t.on("zoomend",this._handleZoomChange,this),ft.prototype.onAdd.call(this,t)},onRemove:function(t){return E(t),t.off("zoomend",this._handleZoomChange,this),ft.prototype.onRemove.call(this,t)},getAttribution:function(){return this.options.attribution},createCell:function(t,e){this._visibleZoom()&&this._requestFeatures(t,e)},_requestFeatures:function(t,i,s,r){this._activeRequests++,r=r||0;var o=this.options.where;return 1===this._activeRequests&&this.fire("loading",{bounds:t},!0),this._buildQuery(t,r).run((function(n,a,l){l&&l.exceededTransferLimit&&this.fire("drawlimitexceeded"),this.options.where===o&&(!n&&a&&a.features.length&&e.Util.requestAnimFrame(e.Util.bind((function(){this._addFeatures(a.features,i),this._postProcessFeatures(t)}),this)),n||!a||a.features.length||this._postProcessFeatures(t),n&&this._postProcessFeatures(t),s&&s.call(this,n,a),l&&(l.exceededTransferLimit||l.properties&&l.properties.exceededTransferLimit)&&this.options.fetchAllFeatures&&this._requestFeatures(t,i,s,r+a.features.length))}),this)},_postProcessFeatures:function(t){this._activeRequests--,this._activeRequests<=0&&this.fire("load",{bounds:t})},_cacheKey:function(t){return t.z+":"+t.x+":"+t.y},_addFeatures:function(t,e){if(e){var i=this._cacheKey(e);this._cache[i]=this._cache[i]||[]}for(var s=t.length-1;s>=0;s--){var r=t[s].id;-1===this._currentSnapshot.indexOf(r)&&this._currentSnapshot.push(r),void 0!==i&&-1===this._cache[i].indexOf(r)&&this._cache[i].push(r)}this.options.timeField&&this._buildTimeIndexes(t),this.createLayers(t)},_buildQuery:function(t,i){var s=this.service.query().intersects(t).where(this.options.where).fields(this.options.fields).precision(this.options.precision);return this.options.fetchAllFeatures&&!isNaN(parseInt(i))&&(s=s.offset(i)),s.params.resultType="tile",this.options.requestParams&&e.Util.extend(s.params,this.options.requestParams),this.options.simplifyFactor&&s.simplify(this._map,this.options.simplifyFactor),"server"===this.options.timeFilterMode&&this.options.from&&this.options.to&&s.between(this.options.from,this.options.to),s},setWhere:function(t,i,s){this.options.where=t&&t.length?t:"1=1";for(var r=[],o=[],n=0,a=null,l=e.Util.bind((function(l,u){if(l&&(a=l),u)for(var h=u.features.length-1;h>=0;h--)o.push(u.features[h].id);--n<=0&&this._visibleZoom()&&t===this.options.where&&(this._currentSnapshot=o,e.Util.requestAnimFrame(e.Util.bind((function(){this.removeLayers(r),this.addLayers(o),i&&i.call(s,a)}),this)))}),this),u=this._currentSnapshot.length-1;u>=0;u--)r.push(this._currentSnapshot[u]);for(var h in this._cache={},this._cells){n++;var c=this._keyToCellCoords(h),p=this._cellCoordsToBounds(c);this._requestFeatures(p,c,l)}return this},getWhere:function(){return this.options.where},getTimeRange:function(){return[this.options.from,this.options.to]},setTimeRange:function(t,i,s,r){var o=this.options.from,n=this.options.to,a=0,l=null,u=e.Util.bind((function(e){e&&(l=e),this._filterExistingFeatures(o,n,t,i),a--,s&&a<=0&&s.call(r,l)}),this);if(this.options.from=t,this.options.to=i,this._filterExistingFeatures(o,n,t,i),"server"===this.options.timeFilterMode)for(var h in this._cells){a++;var c=this._keyToCellCoords(h),p=this._cellCoordsToBounds(c);this._requestFeatures(p,c,u)}return this},refresh:function(){this.setWhere(this.options.where)},_filterExistingFeatures:function(t,i,s,r){var o=t&&i?this._getFeaturesInTimeRange(t,i):this._currentSnapshot,n=this._getFeaturesInTimeRange(s,r);if(n.indexOf)for(var a=0;a<n.length;a++){var l=o.indexOf(n[a]);l>=0&&o.splice(l,1)}e.Util.requestAnimFrame(e.Util.bind((function(){this.removeLayers(o),this.addLayers(n)}),this))},_getFeaturesInTimeRange:function(t,e){var i,s=[];if(this.options.timeField.start&&this.options.timeField.end){var r=this._startTimeIndex.between(t,e),o=this._endTimeIndex.between(t,e);i=r.concat(o)}else{if(!this._timeIndex)return f("You must set timeField in the layer constructor in order to manipulate the start and end time filter."),[];i=this._timeIndex.between(t,e)}for(var n=i.length-1;n>=0;n--)s.push(i[n].id);return s},_buildTimeIndexes:function(t){var e,i;if(this.options.timeField.start&&this.options.timeField.end){var s=[],r=[];for(e=t.length-1;e>=0;e--)i=t[e],s.push({id:i.id,value:new Date(i.properties[this.options.timeField.start])}),r.push({id:i.id,value:new Date(i.properties[this.options.timeField.end])});this._startTimeIndex.bulkAdd(s),this._endTimeIndex.bulkAdd(r)}else{var o=[];for(e=t.length-1;e>=0;e--)i=t[e],o.push({id:i.id,value:new Date(i.properties[this.options.timeField])});this._timeIndex.bulkAdd(o)}},_featureWithinTimeRange:function(t){if(!this.options.from||!this.options.to)return!0;var e=+this.options.from.valueOf(),i=+this.options.to.valueOf();if("string"==typeof this.options.timeField){var s=+t.properties[this.options.timeField];return s>=e&&s<=i}if(this.options.timeField.start&&this.options.timeField.end){var r=+t.properties[this.options.timeField.start],o=+t.properties[this.options.timeField.end];return r>=e&&r<=i||o>=e&&o<=i||r<=e&&o>=i}},_visibleZoom:function(){if(!this._map)return!1;var t=this._map.getZoom();return!(t>this.options.maxZoom||t<this.options.minZoom)},_handleZoomChange:function(){if(this._visibleZoom())for(var t in this._cells){var e=this._cells[t].coords,i=this._cacheKey(e);this._cache[i]&&this.addLayers(this._cache[i])}else this.removeLayers(this._currentSnapshot),this._currentSnapshot=[]},authenticate:function(t){return this.service.authenticate(t),this},metadata:function(t,e){return this.service.metadata(t,e),this},query:function(){return this.service.query()},_getMetadata:function(t){this._metadata?t(undefined,this._metadata):this.metadata(e.Util.bind((function(e,i){this._metadata=i,t(e,this._metadata)}),this))},addFeature:function(t,e,i){this.addFeatures(t,e,i)},addFeatures:function(t,i,s){this._getMetadata(e.Util.bind((function(r,o){if(r)i&&i.call(this,r,null);else{var n=t.features?t.features:[t];this.service.addFeatures(t,e.Util.bind((function(t,e){if(!t){for(var r=n.length-1;r>=0;r--)n[r].properties[o.objectIdField]=n.length>1?e[r].objectId:e.objectId,n[r].id=n.length>1?e[r].objectId:e.objectId;this._addFeatures(n)}i&&i.call(s,t,e)}),this))}}),this))},updateFeature:function(t,e,i){this.updateFeatures(t,e,i)},updateFeatures:function(t,e,i){var s=t.features?t.features:[t];this.service.updateFeatures(t,(function(t,r){if(!t){for(var o=s.length-1;o>=0;o--)this.removeLayers([s[o].id],!0);this._addFeatures(s)}e&&e.call(i,t,r)}),this)},deleteFeature:function(t,e,i){this.deleteFeatures(t,e,i)},deleteFeatures:function(t,e,i){return this.service.deleteFeatures(t,(function(t,s){var r=s.length?s:[s];if(!t&&r.length>0)for(var o=r.length-1;o>=0;o--)this.removeLayers([r[o].objectId],!0);e&&e.call(i,t,s)}),this)}}),_t=gt.extend({options:{cacheLayers:!0},initialize:function(t){t.apikey&&(t.token=t.apikey),gt.prototype.initialize.call(this,t),this._originalStyle=this.options.style,this._layers={}},onRemove:function(t){for(var e in this._layers)t.removeLayer(this._layers[e]),this.fire("removefeature",{feature:this._layers[e].feature,permanent:!1},!0);return gt.prototype.onRemove.call(this,t)},createNewLayer:function(t){var i=e.GeoJSON.geometryToLayer(t,this.options);return i&&(i.defaultOptions=i.options),i},_updateLayer:function(t,i){var s=[],r=this.options.coordsToLatLng||e.GeoJSON.coordsToLatLng;switch(i.properties&&(t.feature.properties=i.properties),i.geometry.type){case"Point":s=e.GeoJSON.coordsToLatLng(i.geometry.coordinates),t.setLatLng(s);break;case"LineString":s=e.GeoJSON.coordsToLatLngs(i.geometry.coordinates,0,r),t.setLatLngs(s);break;case"MultiLineString":case"Polygon":s=e.GeoJSON.coordsToLatLngs(i.geometry.coordinates,1,r),t.setLatLngs(s);break;case"MultiPolygon":s=e.GeoJSON.coordsToLatLngs(i.geometry.coordinates,2,r),t.setLatLngs(s)}this.redraw(t.feature.id)},createLayers:function(t){for(var e=t.length-1;e>=0;e--){var i,s=t[e],r=this._layers[s.id];!this._visibleZoom()||!r||this._map.hasLayer(r)||this.options.timeField&&!this._featureWithinTimeRange(s)||(this._map.addLayer(r),this.fire("addfeature",{feature:r.feature},!0)),r&&(r.setLatLngs||r.setLatLng)&&this._updateLayer(r,s),r||((i=this.createNewLayer(s))?(i.feature=s,i.addEventParent(this),this.options.onEachFeature&&this.options.onEachFeature(i.feature,i),this._layers[i.feature.id]=i,this.setFeatureStyle(i.feature.id,this.options.style),this.fire("createfeature",{feature:i.feature},!0),this._visibleZoom()&&(!this.options.timeField||this.options.timeField&&this._featureWithinTimeRange(s))&&this._map.addLayer(i)):f("invalid GeoJSON encountered"))}},addLayers:function(t){for(var e=t.length-1;e>=0;e--){var i=this._layers[t[e]];!i||this.options.timeField&&!this._featureWithinTimeRange(i.feature)||(this._map.addLayer(i),this.fire("addfeature",{feature:i.feature},!0))}},removeLayers:function(t,e){for(var i=t.length-1;i>=0;i--){var s=t[i],r=this._layers[s];r&&(this.fire("removefeature",{feature:r.feature,permanent:e},!0),this._map.removeLayer(r)),r&&e&&delete this._layers[s]}},cellEnter:function(t,i){this._visibleZoom()&&!this._zooming&&this._map&&e.Util.requestAnimFrame(e.Util.bind((function(){var t=this._cacheKey(i),e=this._cellCoordsToKey(i),s=this._cache[t];this._activeCells[e]&&s&&this.addLayers(s)}),this))},cellLeave:function(t,i){this._zooming||e.Util.requestAnimFrame(e.Util.bind((function(){if(this._map){var t=this._cacheKey(i),e=this._cellCoordsToKey(i),s=this._cache[t],r=this._map.getBounds();if(!this._activeCells[e]&&s){for(var o=!0,n=0;n<s.length;n++){var a=this._layers[s[n]];a&&a.getBounds&&r.intersects(a.getBounds())&&(o=!1)}o&&this.removeLayers(s,!this.options.cacheLayers),!this.options.cacheLayers&&o&&(delete this._cache[t],delete this._cells[e],delete this._activeCells[e])}}}),this))},resetStyle:function(){return this.options.style=this._originalStyle,this.eachFeature((function(t){this.resetFeatureStyle(t.feature.id)}),this),this},setStyle:function(t){return this.options.style=t,this.eachFeature((function(e){this.setFeatureStyle(e.feature.id,t)}),this),this},resetFeatureStyle:function(t){var i=this._layers[t],s=this._originalStyle||e.Path.prototype.options;return i&&(e.Util.extend(i.options,i.defaultOptions),this.setFeatureStyle(t,s)),this},setFeatureStyle:function(t,e){var i=this._layers[t];return"function"==typeof e&&(e=e(i.feature)),i.setStyle&&i.setStyle(e),this},eachActiveFeature:function(t,e){if(this._map){var i=this._map.getBounds();for(var s in this._layers)-1!==this._currentSnapshot.indexOf(this._layers[s].feature.id)&&("function"==typeof this._layers[s].getLatLng&&i.contains(this._layers[s].getLatLng())||"function"==typeof this._layers[s].getBounds&&i.intersects(this._layers[s].getBounds()))&&t.call(e,this._layers[s])}return this},eachFeature:function(t,e){for(var i in this._layers)t.call(e,this._layers[i]);return this},getFeature:function(t){return this._layers[t]},bringToBack:function(){this.eachFeature((function(t){t.bringToBack&&t.bringToBack()}))},bringToFront:function(){this.eachFeature((function(t){t.bringToFront&&t.bringToFront()}))},redraw:function(t){return t&&this._redraw(t),this},_redraw:function(t){var i=this._layers[t],s=i.feature;if(i&&i.setIcon&&this.options.pointToLayer&&this.options.pointToLayer){var r=this.options.pointToLayer(s,e.latLng(s.geometry.coordinates[1],s.geometry.coordinates[0])).options.icon;i.setIcon(r)}if(i&&i.setStyle&&this.options.pointToLayer){var o=this.options.pointToLayer(s,e.latLng(s.geometry.coordinates[1],s.geometry.coordinates[0])).options;this.setFeatureStyle(s.id,o)}i&&i.setStyle&&this.options.style&&this.resetFeatureStyle(s.id)},openPopup(t){return this._popup&&this._popup._prepareOpen(t||this._latlng)&&this._popup.openOn(this._map),this},openTooltip(t){return this._tooltip&&this._tooltip._prepareOpen(t)&&(this._tooltip.openOn(this._map),this.getElement?this._setAriaDescribedByOnLayer(this):this.eachLayer&&this.eachLayer(this._setAriaDescribedByOnLayer,this)),this}});var vt=i;t.BasemapLayer=ut,t.DynamicMapLayer=mt,t.FeatureLayer=_t,t.FeatureLayerService=nt,t.FeatureManager=gt,t.Find=Q,t.Identify=H,t.IdentifyFeatures=X,t.IdentifyImage=$,t.ImageMapLayer=dt,t.ImageService=rt,t.MapService=it,t.Query=J,t.RasterLayer=pt,t.Service=et,t.Support=o,t.Task=W,t.TiledMapLayer=ht,t.Util=j,t.VERSION=vt,t.basemapLayer=function(t,e){return new ut(t,e)},t.dynamicMapLayer=function(t,e){return new mt(t,e)},t.featureLayer=function(t){return new _t(t)},t.featureLayerService=at,t.find=K,t.get=m,t.identify=function(t){return new H(t)},t.identifyFeatures=Y,t.identifyImage=tt,t.imageMapLayer=function(t,e){return new dt(t,e)},t.imageService=ot,t.mapService=st,t.options=n,t.post=h,t.query=V,t.request=p,t.service=function(t){return t=U(t),new et(t)},t.task=function(t){return t=U(t),new W(t)},t.tiledMapLayer=function(t,e){return new ht(t,e)},Object.defineProperty(t,"__esModule",{value:!0})}));
+//# sourceMappingURL=esri-leaflet.js.map
diff --git a/worldmap/worldmap.js b/worldmap/worldmap.js
index 2dd0a71..56c70c3 100644
--- a/worldmap/worldmap.js
+++ b/worldmap/worldmap.js
@@ -18,7 +18,7 @@ var menuOpen = false;
 var clusterAt = 0;
 var maxage = 900;   // default max age of icons on map in seconds - cleared after 10 mins
 var baselayername = "OSM grey";     // Default base layer OSM but uniform grey
-var pagefoot = "&nbsp;&copy; DCJ 2023"
+var pagefoot = "&nbsp;&copy; DCJ 2023";
 var inIframe = false;
 var showUserMenu = true;
 var showLayerMenu = true;
@@ -81,10 +81,10 @@ var connect = function() {
             if (data.hasOwnProperty("type") && data.hasOwnProperty("data") && data.type === "Buffer") { data = data.data.toString(); }
             handleData(data);
         }
-        catch (e) { if (data) { console.log("BAD DATA",data); console.log(e) } }
+        catch (e) { if (data) { console.log("BAD DATA",data); console.log(e); } }
         // console.log("DATA",typeof data,data);
     };
-}
+};
 console.log("CONNECT TO",location.pathname + 'socket');
 
 var handleData = function(data) {
@@ -2660,6 +2660,35 @@ function doCommand(cmd) {
         if (cmd.map.hasOwnProperty("fly") && cmd.map.fly === true) { map.flyToBounds(overlays[cmd.map.overlay].getBounds()); }
         else if (cmd.map.hasOwnProperty("fit") && cmd.map.fit === true) { map.fitBounds(overlays[cmd.map.overlay].getBounds()); }
     }
+    // Add a new ESRI feature layer
+    if (cmd.map && cmd.map.hasOwnProperty("overlay") && cmd.map.hasOwnProperty("esri") ) {
+        try {
+        if (overlays.hasOwnProperty(cmd.map.overlay)) {
+            overlays[cmd.map.overlay].removeFrom(map);
+            existsalready = true;
+        }
+        var opt = {};
+        if (cmd.map.hasOwnProperty("options")) { opt = cmd.map.options; }
+        console.log("OPTS",opt)
+        opt.url = cmd.map.esri;
+        map.createPane("blockpoints");
+        opt.pointToLayer = function (geojson, latlng) { 
+            console.log("Point geo",latlng, geojson);             
+            return L.marker(latlng);
+        };
+        opt.onEachFeature = function (geojson, layer) { 
+            console.log("Feature",layer, geojson); 
+        };
+        overlays[cmd.map.overlay] = L.esri.featureLayer(opt);
+        if (!existsalready) {
+            layercontrol.addOverlay(overlays[cmd.map.overlay],cmd.map.overlay);
+        }
+        if (!cmd.map.hasOwnProperty("visible") || (cmd.map.visible != false)) {
+            overlays[cmd.map.overlay].addTo(map);
+        }
+        // NOTE can't fit or fly to bounds as they keep reloading
+    } catch(e) { console.log(e); }
+    }
     // Add a new TOPOJSON overlay layer
     if (cmd.map && cmd.map.hasOwnProperty("overlay") && cmd.map.hasOwnProperty("topojson") ) {
         if (overlays.hasOwnProperty(cmd.map.overlay)) {