diff --git a/public/views/js/d.map.js b/public/views/js/d.map.js
index e40c3b1..d319337 100755
--- a/public/views/js/d.map.js
+++ b/public/views/js/d.map.js
@@ -1,212 +1,275 @@
 // Carte principale
 var mymap;
 var poiLayer;
+var vectorLayer;
 var icons = {};
 
 $(document).ready(function() {
 
-    // ---------------------------------------------------------
-    // Fonds de carte
-    // ---------------------------------------------------------
+	// ---------------------------------------------------------
+	// Fonds de carte
+	// ---------------------------------------------------------
 
-    var topo_maptiler = L.tileLayer(
-        'https://api.maptiler.com/maps/topographique/{z}/{x}/{y}.png?key=Sm8M7mJ53GtYdl773rpi',
-        {
-            tms: false,
-            tileSize: 512,
-            zoomOffset: -1,
-            minZoom: 1,
-            attribution:
-                'Carte © MapTiler, Données © OpenStreetMap'
-        }
-    );
+	var topo_maptiler = L.tileLayer(
+		'https://api.maptiler.com/maps/topographique/{z}/{x}/{y}.png?key=Sm8M7mJ53GtYdl773rpi',
+		{
+			tms: false,
+			tileSize: 512,
+			zoomOffset: -1,
+			minZoom: 1,
+			attribution:
+				'Carte © MapTiler, Données © OpenStreetMap'
+		}
+	);
 
-    var ign = L.tileLayer(
-        'https://data.geopf.fr/private/wmts?REQUEST=GetTile&SERVICE=WMTS&VERSION=1.0.0&STYLE=normal&TILEMATRIXSET=PM&FORMAT=image/jpeg&LAYER=GEOGRAPHICALGRIDSYSTEMS.MAPS&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&apikey=ign_scan_ws',
-        {
-            attribution: 'Carte © IGN-F/Géoportail'
-        }
-    );
+	var ign = L.tileLayer(
+		'https://data.geopf.fr/private/wmts?REQUEST=GetTile&SERVICE=WMTS&VERSION=1.0.0&STYLE=normal&TILEMATRIXSET=PM&FORMAT=image/jpeg&LAYER=GEOGRAPHICALGRIDSYSTEMS.MAPS&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&apikey=ign_scan_ws',
+		{
+			attribution: 'Carte © IGN-F/Géoportail'
+		}
+	);
 
-    var baseLayers = {
-        "OpenStreetMap": topo_maptiler,
-        "IGN France": ign
-    };
+	var baseLayers = {
+		"OpenStreetMap": topo_maptiler,
+		"IGN France": ign
+	};
 
-    // ---------------------------------------------------------
-    // Carte
-    // ---------------------------------------------------------
+	// ---------------------------------------------------------
+	// Carte
+	// ---------------------------------------------------------
 
-    mymap = L.map('mapid', {
-        zoomControl: false,
-        layers: [topo_maptiler]
-    }).setView([47, 3], 6);
+	mymap = L.map('mapid', {
+		zoomControl: false,
+		layers: [topo_maptiler]
+	}).setView([47, 3], 6);
 
-    $("#map-credits").html(topo_maptiler.getAttribution());
+	$("#map-credits").html(topo_maptiler.getAttribution());
 
-    poiLayer = L.layerGroup().addTo(mymap);
+	poiLayer = L.layerGroup().addTo(mymap);
 
-    // ---------------------------------------------------------
-    // Contrôles
-    // ---------------------------------------------------------
+	// Couche vectorielle utilisée pour les faibles zooms
+	vectorLayer = L.vectorGrid.protobuf(
+		root + "poi/tile/{z}/{x}/{y}.pbf",
+		{
+			interactive: true,
 
-    L.control.scale({
-        position: "bottomleft",
-        imperial: false
-    }).addTo(mymap);
+			maxZoom: 9,
 
-    var credits = L.easyButton(
-        'fa-info',
-        function() {
-            $("footer").hide();
-            $("#footer-credits").show();
-            $("#footer-legend").hide();
-        },
-        'Credits'
-    );
+			vectorTileLayerStyles: {
+			    pois: {}
+			}
 
-    var legend = L.easyButton(
-        'fa-question',
-        function() {
-            $("footer").hide();
-            $("#footer-credits").hide();
-            $("#footer-legend").show();
-        },
-        'Legend'
-    );
+		}
+	);
 
-    L.easyBar(
-        [credits, legend],
-        {
-            position: "bottomleft"
-        }
-    ).addTo(mymap);
+	// Clic sur un POI vectoriel
+	vectorLayer.on("click", function(e) {
 
-    L.control.fullscreen({
-        position: "bottomleft"
-    }).addTo(mymap);
+		if (
+			e.layer &&
+			e.layer.properties &&
+			e.layer.properties.permalink
+		) {
 
-    L.control.zoom({
-        zoomOutText: '<i class="fa fa-minus"></i>',
-        zoomInText: '<i class="fa fa-plus"></i>',
-        position: "bottomleft"
-    }).addTo(mymap);
+			window.location =
+				root +
+				"poi/" +
+				e.layer.properties.permalink;
+		}
 
-    L.control.layers(
-        baseLayers,
-        null,
-        {
-            position: "bottomright"
-        }
-    ).addTo(mymap);
+	});
 
-    mymap.removeControl(mymap.attributionControl);
+	// ---------------------------------------------------------
+	// Contrôles
+	// ---------------------------------------------------------
 
-    // ---------------------------------------------------------
-    // Footer
-    // ---------------------------------------------------------
+	L.control.scale({
+		position: "bottomleft",
+		imperial: false
+	}).addTo(mymap);
 
-    $(".close-link").click(function() {
-        $("footer").show();
-        $("#footer-credits").hide();
-        $("#footer-legend").hide();
-    });
+	var credits = L.easyButton(
+		'fa-info',
+		function() {
+			$("footer").hide();
+			$("#footer-credits").show();
+			$("#footer-legend").hide();
+		},
+		'Credits'
+	);
 
-    mymap.on('baselayerchange', function(e) {
-        $("#map-credits").html(
-            e.layer.getAttribution()
-        );
-    });
+	var legend = L.easyButton(
+		'fa-question',
+		function() {
+			$("footer").hide();
+			$("#footer-credits").hide();
+			$("#footer-legend").show();
+		},
+		'Legend'
+	);
 
-    // ---------------------------------------------------------
-    // Icônes
-    // ---------------------------------------------------------
+	L.easyBar(
+		[credits, legend],
+		{
+			position: "bottomleft"
+		}
+	).addTo(mymap);
 
-    for (const type in window.poi_icons) {
+	L.control.fullscreen({
+		position: "bottomleft"
+	}).addTo(mymap);
 
-        icons[type] = L.icon({
-            iconUrl: window.poi_icons[type],
-            iconSize: [32, 32],
-            iconAnchor: [16, 32],
-            popupAnchor: [0, -32]
-        });
+	L.control.zoom({
+		zoomOutText: '<i class="fa fa-minus"></i>',
+		zoomInText: '<i class="fa fa-plus"></i>',
+		position: "bottomleft"
+	}).addTo(mymap);
 
-    }
+	L.control.layers(
+		baseLayers,
+		null,
+		{
+			position: "bottomright"
+		}
+	).addTo(mymap);
 
-    // ---------------------------------------------------------
-    // Chargement des POI visibles
-    // ---------------------------------------------------------
+	mymap.removeControl(mymap.attributionControl);
 
-    function loadVisiblePois() {
-        if (mymap.getZoom() < 10) {
+	// ---------------------------------------------------------
+	// Footer
+	// ---------------------------------------------------------
 
-            poiLayer.clearLayers();
+	$(".close-link").click(function() {
+		$("footer").show();
+		$("#footer-credits").hide();
+		$("#footer-legend").hide();
+	});
 
-            return;
-        }
+	mymap.on('baselayerchange', function(e) {
+		$("#map-credits").html(
+			e.layer.getAttribution()
+		);
+	});
 
-        var b = mymap.getBounds();
+	// ---------------------------------------------------------
+	// Icônes
+	// ---------------------------------------------------------
 
-        $.getJSON(
-            root + "poi/api_bbox",
-            {
-                north: b.getNorth(),
-                south: b.getSouth(),
-                east: b.getEast(),
-                west: b.getWest()
-            },
-            function(pois) {
+	for (const type in window.poi_icons) {
 
-                poiLayer.clearLayers();
+		icons[type] = L.icon({
+			iconUrl: window.poi_icons[type],
+			iconSize: [32, 32],
+			iconAnchor: [16, 32],
+			popupAnchor: [0, -32]
+		});
 
-                pois.forEach(function(poi) {
+	}
 
-                    var icon =
-                        icons[poi.type] ||
-                        icons["default"];
+	// ---------------------------------------------------------
+	// Chargement des POI visibles
+	// ---------------------------------------------------------
 
-                    var marker = L.marker(
-                        [poi.lat, poi.lon],
-                        {
-                            icon: icon
-                        }
-                    );
+	function loadVisiblePois() {
 
-                    marker.bindTooltip(
-                        poi.name,
-                        {
-                            direction: "top",
-                            offset: [0, -10],
-                            opacity: 0.9,
-                            className:
-                                "poi-tooltip"
-                        }
-                    );
+		if (mymap.getZoom() < 10)
+			return;
 
-                    marker.on(
-                        "click",
-                        function() {
-                            window.location =
-                                root +
-                                "poi/" +
-                                poi.permalink;
-                        }
-                    );
+		var b = mymap.getBounds();
 
-                    poiLayer.addLayer(marker);
+		$.getJSON(
+			root + "poi/api_bbox",
+			{
+				north: b.getNorth(),
+				south: b.getSouth(),
+				east: b.getEast(),
+				west: b.getWest()
+			},
+			function(pois) {
 
-                });
-            }
-        );
-    }
+				poiLayer.clearLayers();
 
-    // ---------------------------------------------------------
-    // Rechargement automatique
-    // ---------------------------------------------------------
+				pois.forEach(function(poi) {
 
-    mymap.on("moveend", loadVisiblePois);
-    mymap.on("zoomend", loadVisiblePois);
+					var icon =
+						icons[poi.type] ||
+						icons["default"];
 
-    // Premier chargement
-    loadVisiblePois();
+					var marker = L.marker(
+						[poi.lat, poi.lon],
+						{
+							icon: icon
+						}
+					);
+
+					marker.bindTooltip(
+						poi.name,
+						{
+							direction: "top",
+							offset: [0, -10],
+							opacity: 0.9,
+							className: "poi-tooltip"
+						}
+					);
+
+					marker.on(
+						"click",
+						function() {
+
+							window.location =
+								root +
+								"poi/" +
+								poi.permalink;
+
+						}
+					);
+
+					poiLayer.addLayer(marker);
+
+				});
+
+			}
+		);
+	}
+
+	// ---------------------------------------------------------
+	// Bascule entre le calque tle et geojson
+	// ---------------------------------------------------------
+
+	function switchLayers() {
+
+		var z = mymap.getZoom();
+
+		if (z < 10) {
+
+			poiLayer.clearLayers();
+
+			if (!mymap.hasLayer(vectorLayer)) {
+				mymap.addLayer(vectorLayer);
+			}
+
+		} else {
+
+			if (mymap.hasLayer(vectorLayer)) {
+				mymap.removeLayer(vectorLayer);
+			}
+
+			loadVisiblePois();
+		}
+	}
+
+	// ---------------------------------------------------------
+	// Rechargement automatique
+	// ---------------------------------------------------------
+
+	mymap.on("zoomend", switchLayers);
+	mymap.on("moveend", function() {
+
+		if (mymap.getZoom() >= 10) {
+			loadVisiblePois();
+		}
+
+	});
+
+	switchLayers();
 });
\ No newline at end of file
diff --git a/public/views/third/leaflet-vectorgrid/Leaflet.VectorGrid.bundled.min.js b/public/views/third/leaflet-vectorgrid/Leaflet.VectorGrid.bundled.min.js
new file mode 100644
index 0000000..1640f3d
--- /dev/null
+++ b/public/views/third/leaflet-vectorgrid/Leaflet.VectorGrid.bundled.min.js
@@ -0,0 +1,2 @@
+"use strict";function __$strToBlobUri(t,e,r){try{return window.URL.createObjectURL(new Blob([Uint8Array.from(t.split("").map(function(t){return t.charCodeAt(0)}))],{type:e}))}catch(i){return"data:"+e+(r?";base64,":",")+t}}function Pbf(t){this.buf=ArrayBuffer.isView&&ArrayBuffer.isView(t)?t:new Uint8Array(t||0),this.pos=0,this.type=0,this.length=this.buf.length}function readVarintRemainder(t,e,r){var i,n,o=r.buf;if(n=o[r.pos++],i=(112&n)>>4,n<128)return toNum(t,i,e);if(n=o[r.pos++],i|=(127&n)<<3,n<128)return toNum(t,i,e);if(n=o[r.pos++],i|=(127&n)<<10,n<128)return toNum(t,i,e);if(n=o[r.pos++],i|=(127&n)<<17,n<128)return toNum(t,i,e);if(n=o[r.pos++],i|=(127&n)<<24,n<128)return toNum(t,i,e);if(n=o[r.pos++],i|=(1&n)<<31,n<128)return toNum(t,i,e);throw new Error("Expected varint not more than 10 bytes")}function readPackedEnd(t){return t.type===Pbf.Bytes?t.readVarint()+t.pos:t.pos+1}function toNum(t,e,r){return r?4294967296*e+(t>>>0):4294967296*(e>>>0)+(t>>>0)}function writeBigVarint(t,e){var r,i;if(t>=0?(r=t%4294967296|0,i=t/4294967296|0):(r=~(-t%4294967296),i=~(-t/4294967296),4294967295^r?r=r+1|0:(r=0,i=i+1|0)),t>=0x10000000000000000||t<-0x10000000000000000)throw new Error("Given varint doesn't fit into 10 bytes");e.realloc(10),writeBigVarintLow(r,i,e),writeBigVarintHigh(i,e)}function writeBigVarintLow(t,e,r){r.buf[r.pos++]=127&t|128,t>>>=7,r.buf[r.pos++]=127&t|128,t>>>=7,r.buf[r.pos++]=127&t|128,t>>>=7,r.buf[r.pos++]=127&t|128,t>>>=7,r.buf[r.pos]=127&t}function writeBigVarintHigh(t,e){var r=(7&t)<<4;e.buf[e.pos++]|=r|((t>>>=3)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t)))))}function makeRoomForExtraLength(t,e,r){var i=e<=16383?1:e<=2097151?2:e<=268435455?3:Math.ceil(Math.log(e)/(7*Math.LN2));r.realloc(i);for(var n=r.pos-1;n>=t;n--)r.buf[n+i]=r.buf[n]}function writePackedVarint(t,e){for(var r=0;r<t.length;r++)e.writeVarint(t[r])}function writePackedSVarint(t,e){for(var r=0;r<t.length;r++)e.writeSVarint(t[r])}function writePackedFloat(t,e){for(var r=0;r<t.length;r++)e.writeFloat(t[r])}function writePackedDouble(t,e){for(var r=0;r<t.length;r++)e.writeDouble(t[r])}function writePackedBoolean(t,e){for(var r=0;r<t.length;r++)e.writeBoolean(t[r])}function writePackedFixed32(t,e){for(var r=0;r<t.length;r++)e.writeFixed32(t[r])}function writePackedSFixed32(t,e){for(var r=0;r<t.length;r++)e.writeSFixed32(t[r])}function writePackedFixed64(t,e){for(var r=0;r<t.length;r++)e.writeFixed64(t[r])}function writePackedSFixed64(t,e){for(var r=0;r<t.length;r++)e.writeSFixed64(t[r])}function readUInt32(t,e){return(t[e]|t[e+1]<<8|t[e+2]<<16)+16777216*t[e+3]}function writeInt32(t,e,r){t[r]=e,t[r+1]=e>>>8,t[r+2]=e>>>16,t[r+3]=e>>>24}function readInt32(t,e){return(t[e]|t[e+1]<<8|t[e+2]<<16)+(t[e+3]<<24)}function readUtf8(t,e,r){for(var i="",n=e;n<r;){var o=t[n],s=null,a=o>239?4:o>223?3:o>191?2:1;if(n+a>r)break;var u,h,l;1===a?o<128&&(s=o):2===a?128==(192&(u=t[n+1]))&&(s=(31&o)<<6|63&u)<=127&&(s=null):3===a?(u=t[n+1],h=t[n+2],128==(192&u)&&128==(192&h)&&((s=(15&o)<<12|(63&u)<<6|63&h)<=2047||s>=55296&&s<=57343)&&(s=null)):4===a&&(u=t[n+1],h=t[n+2],l=t[n+3],128==(192&u)&&128==(192&h)&&128==(192&l)&&((s=(15&o)<<18|(63&u)<<12|(63&h)<<6|63&l)<=65535||s>=1114112)&&(s=null)),null===s?(s=65533,a=1):s>65535&&(s-=65536,i+=String.fromCharCode(s>>>10&1023|55296),s=56320|1023&s),i+=String.fromCharCode(s),n+=a}return i}function writeUtf8(t,e,r){for(var i,n,o=0;o<e.length;o++){if((i=e.charCodeAt(o))>55295&&i<57344){if(!n){i>56319||o+1===e.length?(t[r++]=239,t[r++]=191,t[r++]=189):n=i;continue}if(i<56320){t[r++]=239,t[r++]=191,t[r++]=189,n=i;continue}i=n-55296<<10|i-56320|65536,n=null}else 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r.join("")}function l(t){if(t.slice)return t.slice(0);var e=new Uint8Array(t.byteLength);return e.set(new Uint8Array(t)),e.buffer}function c(){return this.bodyUsed=!1,this._initBody=function(t){if(this._bodyInit=t,t)if("string"==typeof t)this._bodyText=t;else if(v.blob&&Blob.prototype.isPrototypeOf(t))this._bodyBlob=t;else if(v.formData&&FormData.prototype.isPrototypeOf(t))this._bodyFormData=t;else if(v.searchParams&&URLSearchParams.prototype.isPrototypeOf(t))this._bodyText=t.toString();else if(v.arrayBuffer&&v.blob&&b(t))this._bodyArrayBuffer=l(t.buffer),this._bodyInit=new Blob([this._bodyArrayBuffer]);else{if(!v.arrayBuffer||!ArrayBuffer.prototype.isPrototypeOf(t)&&!w(t))throw new Error("unsupported BodyInit type");this._bodyArrayBuffer=l(t)}else this._bodyText="";this.headers.get("content-type")||("string"==typeof 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_=["DELETE","GET","HEAD","OPTIONS","POST","PUT"];p.prototype.clone=function(){return new p(this,{body:this._bodyInit})},c.call(p.prototype),c.call(m.prototype),m.prototype.clone=function(){return new m(this._bodyInit,{status:this.status,statusText:this.statusText,headers:new n(this.headers),url:this.url})},m.error=function(){var t=new m(null,{status:0,statusText:""});return t.type="error",t};var x=[301,302,303,307,308];m.redirect=function(t,e){if(-1===x.indexOf(e))throw new RangeError("Invalid status code");return new m(null,{status:e,headers:{location:t}})},t.Headers=n,t.Request=p,t.Response=m,t.fetch=function(t,e){return new Promise(function(r,i){var n=new p(t,e),o=new XMLHttpRequest;o.onload=function(){var t={status:o.status,statusText:o.statusText,headers:y(o.getAllResponseHeaders()||"")};t.url="responseURL"in o?o.responseURL:t.headers.get("X-Request-URL");var e="response"in o?o.response:o.responseText;r(new m(e,t))},o.onerror=function(){i(new TypeError("Network request failed"))},o.ontimeout=function(){i(new TypeError("Network request failed"))},o.open(n.method,n.url,!0),"include"===n.credentials&&(o.withCredentials=!0),"responseType"in o&&v.blob&&(o.responseType="blob"),n.headers.forEach(function(t,e){o.setRequestHeader(e,t)}),o.send(void 0===n._bodyInit?null:n._bodyInit)})},t.fetch.polyfill=!0}}("undefined"!=typeof self?self:void 0);var read=function(t,e,r,i,n){var o,s,a=8*n-i-1,u=(1<<a)-1,h=u>>1,l=-7,c=r?n-1:0,f=r?-1:1,p=t[e+c];for(c+=f,o=p&(1<<-l)-1,p>>=-l,l+=a;l>0;o=256*o+t[e+c],c+=f,l-=8);for(s=o&(1<<-l)-1,o>>=-l,l+=i;l>0;s=256*s+t[e+c],c+=f,l-=8);if(0===o)o=1-h;else{if(o===u)return s?NaN:1/0*(p?-1:1);s+=Math.pow(2,i),o-=h}return(p?-1:1)*s*Math.pow(2,o-i)},write=function(t,e,r,i,n,o){var s,a,u,h=8*o-n-1,l=(1<<h)-1,c=l>>1,f=23===n?Math.pow(2,-24)-Math.pow(2,-77):0,p=i?0:o-1,d=i?1:-1,y=e<0||0===e&&1/e<0?1:0;for(e=Math.abs(e),isNaN(e)||e===1/0?(a=isNaN(e)?1:0,s=l):(s=Math.floor(Math.log(e)/Math.LN2),e*(u=Math.pow(2,-s))<1&&(s--,u*=2),e+=s+c>=1?f/u:f*Math.pow(2,1-c),e*u>=2&&(s++,u/=2),s+c>=l?(a=0,s=l):s+c>=1?(a=(e*u-1)*Math.pow(2,n),s+=c):(a=e*Math.pow(2,c-1)*Math.pow(2,n),s=0));n>=8;t[r+p]=255&a,p+=d,a/=256,n-=8);for(s=s<<n|a,h+=n;h>0;t[r+p]=255&s,p+=d,s/=256,h-=8);t[r+p-d]|=128*y},index$1={read:read,write:write},index=Pbf,ieee754=index$1;Pbf.Varint=0,Pbf.Fixed64=1,Pbf.Bytes=2,Pbf.Fixed32=5;var SHIFT_LEFT_32=4294967296,SHIFT_RIGHT_32=1/SHIFT_LEFT_32;Pbf.prototype={destroy:function(){this.buf=null},readFields:function(t,e,r){var i=this;for(r=r||this.length;this.pos<r;){var n=i.readVarint(),o=n>>3,s=i.pos;i.type=7&n,t(o,e,i),i.pos===s&&i.skip(n)}return e},readMessage:function(t,e){return this.readFields(t,e,this.readVarint()+this.pos)},readFixed32:function(){var t=readUInt32(this.buf,this.pos);return this.pos+=4,t},readSFixed32:function(){var t=readInt32(this.buf,this.pos);return this.pos+=4,t},readFixed64:function(){var t=readUInt32(this.buf,this.pos)+readUInt32(this.buf,this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readSFixed64:function(){var t=readUInt32(this.buf,this.pos)+readInt32(this.buf,this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readFloat:function(){var t=ieee754.read(this.buf,this.pos,!0,23,4);return this.pos+=4,t},readDouble:function(){var t=ieee754.read(this.buf,this.pos,!0,52,8);return this.pos+=8,t},readVarint:function(t){var e,r,i=this.buf;return r=i[this.pos++],e=127&r,r<128?e:(r=i[this.pos++],e|=(127&r)<<7,r<128?e:(r=i[this.pos++],e|=(127&r)<<14,r<128?e:(r=i[this.pos++],e|=(127&r)<<21,r<128?e:(r=i[this.pos],e|=(15&r)<<28,readVarintRemainder(e,t,this)))))},readVarint64:function(){return this.readVarint(!0)},readSVarint:function(){var t=this.readVarint();return t%2==1?(t+1)/-2:t/2},readBoolean:function(){return Boolean(this.readVarint())},readString:function(){var t=this.readVarint()+this.pos,e=readUtf8(this.buf,this.pos,t);return this.pos=t,e},readBytes:function(){var t=this.readVarint()+this.pos,e=this.buf.subarray(this.pos,t);return this.pos=t,e},readPackedVarint:function(t,e){var r=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(r.readVarint(e));return t},readPackedSVarint:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readSVarint());return t},readPackedBoolean:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readBoolean());return t},readPackedFloat:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readFloat());return t},readPackedDouble:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readDouble());return t},readPackedFixed32:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readFixed32());return t},readPackedSFixed32:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readSFixed32());return t},readPackedFixed64:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readFixed64());return t},readPackedSFixed64:function(t){var e=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(e.readSFixed64());return t},skip:function(t){var e=7&t;if(e===Pbf.Varint)for(;this.buf[this.pos++]>127;);else if(e===Pbf.Bytes)this.pos=this.readVarint()+this.pos;else if(e===Pbf.Fixed32)this.pos+=4;else{if(e!==Pbf.Fixed64)throw new Error("Unimplemented type: "+e);this.pos+=8}},writeTag:function(t,e){this.writeVarint(t<<3|e)},realloc:function(t){for(var e=this.length||16;e<this.pos+t;)e*=2;if(e!==this.length){var r=new Uint8Array(e);r.set(this.buf),this.buf=r,this.length=e}},finish:function(){return this.length=this.pos,this.pos=0,this.buf.subarray(0,this.length)},writeFixed32:function(t){this.realloc(4),writeInt32(this.buf,t,this.pos),this.pos+=4},writeSFixed32:function(t){this.realloc(4),writeInt32(this.buf,t,this.pos),this.pos+=4},writeFixed64:function(t){this.realloc(8),writeInt32(this.buf,-1&t,this.pos),writeInt32(this.buf,Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeSFixed64:function(t){this.realloc(8),writeInt32(this.buf,-1&t,this.pos),writeInt32(this.buf,Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeVarint:function(t){if((t=+t||0)>268435455||t<0)return void writeBigVarint(t,this);this.realloc(4),this.buf[this.pos++]=127&t|(t>127?128:0),t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=t>>>7&127)))},writeSVarint:function(t){this.writeVarint(t<0?2*-t-1:2*t)},writeBoolean:function(t){this.writeVarint(Boolean(t))},writeString:function(t){t=String(t),this.realloc(4*t.length),this.pos++;var e=this.pos;this.pos=writeUtf8(this.buf,t,this.pos);var r=this.pos-e;r>=128&&makeRoomForExtraLength(e,r,this),this.pos=e-1,this.writeVarint(r),this.pos+=r},writeFloat:function(t){this.realloc(4),ieee754.write(this.buf,t,this.pos,!0,23,4),this.pos+=4},writeDouble:function(t){this.realloc(8),ieee754.write(this.buf,t,this.pos,!0,52,8),this.pos+=8},writeBytes:function(t){var e=this,r=t.length;this.writeVarint(r),this.realloc(r);for(var i=0;i<r;i++)e.buf[e.pos++]=t[i]},writeRawMessage:function(t,e){this.pos++;var r=this.pos;t(e,this);var i=this.pos-r;i>=128&&makeRoomForExtraLength(r,i,this),this.pos=r-1,this.writeVarint(i),this.pos+=i},writeMessage:function(t,e,r){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(e,r)},writePackedVarint:function(t,e){this.writeMessage(t,writePackedVarint,e)},writePackedSVarint:function(t,e){this.writeMessage(t,writePackedSVarint,e)},writePackedBoolean:function(t,e){this.writeMessage(t,writePackedBoolean,e)},writePackedFloat:function(t,e){this.writeMessage(t,writePackedFloat,e)},writePackedDouble:function(t,e){this.writeMessage(t,writePackedDouble,e)},writePackedFixed32:function(t,e){this.writeMessage(t,writePackedFixed32,e)},writePackedSFixed32:function(t,e){this.writeMessage(t,writePackedSFixed32,e)},writePackedFixed64:function(t,e){this.writeMessage(t,writePackedFixed64,e)},writePackedSFixed64:function(t,e){this.writeMessage(t,writePackedSFixed64,e)},writeBytesField:function(t,e){this.writeTag(t,Pbf.Bytes),this.writeBytes(e)},writeFixed32Field:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(e)},writeSFixed32Field:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(e)},writeFixed64Field:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(e)},writeSFixed64Field:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(e)},writeVarintField:function(t,e){this.writeTag(t,Pbf.Varint),this.writeVarint(e)},writeSVarintField:function(t,e){this.writeTag(t,Pbf.Varint),this.writeSVarint(e)},writeStringField:function(t,e){this.writeTag(t,Pbf.Bytes),this.writeString(e)},writeFloatField:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeFloat(e)},writeDoubleField:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeDouble(e)},writeBooleanField:function(t,e){this.writeVarintField(t,Boolean(e))}};var index$5=Point$1;Point$1.prototype={clone:function(){return new Point$1(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var e=t.x-this.x,r=t.y-this.y;return e*e+r*r},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,e){return Math.atan2(this.x*e-this.y*t,this.x*t+this.y*e)},_matMult:function(t){var e=t[0]*this.x+t[1]*this.y,r=t[2]*this.x+t[3]*this.y;return this.x=e,this.y=r,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var e=Math.cos(t),r=Math.sin(t),i=e*this.x-r*this.y,n=r*this.x+e*this.y;return this.x=i,this.y=n,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},Point$1.convert=function(t){return t instanceof Point$1?t:Array.isArray(t)?new Point$1(t[0],t[1]):t};var Point=index$5,vectortilefeature=VectorTileFeature$2;VectorTileFeature$2.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature$2.prototype.loadGeometry=function(){var t=this._pbf;t.pos=this._geometry;for(var e,r=t.readVarint()+t.pos,i=1,n=0,o=0,s=0,a=[];t.pos<r;){if(!n){var u=t.readVarint();i=7&u,n=u>>3}if(n--,1===i||2===i)o+=t.readSVarint(),s+=t.readSVarint(),1===i&&(e&&a.push(e),e=[]),e.push(new Point(o,s));else{if(7!==i)throw new Error("unknown command "+i);e&&e.push(e[0].clone())}}return e&&a.push(e),a},VectorTileFeature$2.prototype.bbox=function(){var t=this._pbf;t.pos=this._geometry;for(var e=t.readVarint()+t.pos,r=1,i=0,n=0,o=0,s=1/0,a=-1/0,u=1/0,h=-1/0;t.pos<e;){if(!i){var l=t.readVarint();r=7&l,i=l>>3}if(i--,1===r||2===r)n+=t.readSVarint(),o+=t.readSVarint(),n<s&&(s=n),n>a&&(a=n),o<u&&(u=o),o>h&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[s,u,a,h]},VectorTileFeature$2.prototype.toGeoJSON=function(t,e,r){function i(t){for(var e=0;e<t.length;e++){var r=t[e],i=180-360*(r.y+u)/s;t[e]=[360*(r.x+a)/s-180,360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90]}}var n,o,s=this.extent*Math.pow(2,r),a=this.extent*t,u=this.extent*e,h=this.loadGeometry(),l=VectorTileFeature$2.types[this.type];switch(this.type){case 1:var c=[];for(n=0;n<h.length;n++)c[n]=h[n][0];h=c,i(h);break;case 2:for(n=0;n<h.length;n++)i(h[n]);break;case 3:for(h=classifyRings(h),n=0;n<h.length;n++)for(o=0;o<h[n].length;o++)i(h[n][o])}1===h.length?h=h[0]:l="Multi"+l;var f={type:"Feature",geometry:{type:l,coordinates:h},properties:this.properties};return"id"in this&&(f.id=this.id),f};var VectorTileFeature$1=vectortilefeature,vectortilelayer=VectorTileLayer$2;VectorTileLayer$2.prototype.feature=function(t){if(t<0||t>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[t];var e=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature$1(this._pbf,e,this.extent,this._keys,this._values)};var VectorTileLayer$1=vectortilelayer,vectortile=VectorTile$1,VectorTile=vectortile;L.SVG.Tile=L.SVG.extend({initialize:function(t,e,r){L.SVG.prototype.initialize.call(this,r),this._tileCoord=t,this._size=e,this._initContainer(),this._container.setAttribute("width",this._size.x),this._container.setAttribute("height",this._size.y),this._container.setAttribute("viewBox",[0,0,this._size.x,this._size.y].join(" ")),this._layers={}},getCoord:function(){return this._tileCoord},getContainer:function(){return this._container},onAdd:L.Util.falseFn,addTo:function(t){if(this._map=t,this.options.interactive)for(var e in this._layers){var r=this._layers[e];r._path.style.pointerEvents="auto",this._map._targets[L.stamp(r._path)]=r}},removeFrom:function(t){if(this.options.interactive)for(var e in this._layers){var r=this._layers[e];delete this._map._targets[L.stamp(r._path)]}delete this._map},_initContainer:function(){L.SVG.prototype._initContainer.call(this);L.SVG.create("rect")},_addPath:function(t){this._rootGroup.appendChild(t._path),this._layers[L.stamp(t)]=t},_updateIcon:function(t){var e=t._path=L.SVG.create("image"),r=t.options.icon,i=r.options,n=L.point(i.iconSize),o=i.iconAnchor||n&&n.divideBy(2,!0),s=t._point.subtract(o);e.setAttribute("x",s.x),e.setAttribute("y",s.y),e.setAttribute("width",n.x+"px"),e.setAttribute("height",n.y+"px"),e.setAttribute("href",i.iconUrl)}}),L.svg.tile=function(t,e,r){return new L.SVG.Tile(t,e,r)};var Symbolizer=L.Class.extend({render:function(t,e){this._renderer=t,this.options=e,t._initPath(this),t._updateStyle(this)},updateStyle:function(t,e){this.options=e,t._updateStyle(this)},_getPixelBounds:function(){for(var t=this._parts,e=L.bounds([]),r=0;r<t.length;r++)for(var i=t[r],n=0;n<i.length;n++)e.extend(i[n]);var o=this._clickTolerance(),s=new L.Point(o,o);return e.min._subtract(s),e.max._add(s),e},_clickTolerance:L.Path.prototype._clickTolerance}),PolyBase={_makeFeatureParts:function(t,e){var r,i=t.geometry;this._parts=[];for(var n=0;n<i.length;n++){for(var o=i[n],s=[],a=0;a<o.length;a++)r=o[a],s.push(L.point(r).scaleBy(e));this._parts.push(s)}},makeInteractive:function(){this._pxBounds=this._getPixelBounds()}},PointSymbolizer=L.CircleMarker.extend({includes:Symbolizer.prototype,statics:{iconCache:{}},initialize:function(t,e){this.properties=t.properties,this._makeFeatureParts(t,e)},render:function(t,e){Symbolizer.prototype.render.call(this,t,e),this._radius=e.radius||L.CircleMarker.prototype.options.radius,this._updatePath()},_makeFeatureParts:function(t,e){var r=t.geometry[0];"object"==typeof r[0]&&"x"in r[0]?(this._point=L.point(r[0]).scaleBy(e),this._empty=L.Util.falseFn):(this._point=L.point(r).scaleBy(e),this._empty=L.Util.falseFn)},makeInteractive:function(){this._updateBounds()},updateStyle:function(t,e){return this._radius=e.radius||this._radius,this._updateBounds(),Symbolizer.prototype.updateStyle.call(this,t,e)},_updateBounds:function(){var t=this.options.icon;if(t){var e=L.point(t.options.iconSize),r=t.options.iconAnchor||e&&e.divideBy(2,!0),i=this._point.subtract(r);this._pxBounds=new L.Bounds(i,i.add(t.options.iconSize))}else L.CircleMarker.prototype._updateBounds.call(this)},_updatePath:function(){this.options.icon?this._renderer._updateIcon(this):L.CircleMarker.prototype._updatePath.call(this)},_getImage:function(){if(this.options.icon){var t=this.options.icon.options.iconUrl,e=PointSymbolizer.iconCache[t];if(!e){var r=this.options.icon;e=PointSymbolizer.iconCache[t]=r.createIcon()}return e}return null},_containsPoint:function(t){return this.options.icon?this._pxBounds.contains(t):L.CircleMarker.prototype._containsPoint.call(this,t)}}),LineSymbolizer=L.Polyline.extend({includes:[Symbolizer.prototype,PolyBase],initialize:function(t,e){this.properties=t.properties,this._makeFeatureParts(t,e)},render:function(t,e){e.fill=!1,Symbolizer.prototype.render.call(this,t,e),this._updatePath()},updateStyle:function(t,e){e.fill=!1,Symbolizer.prototype.updateStyle.call(this,t,e)}}),FillSymbolizer=L.Polygon.extend({includes:[Symbolizer.prototype,PolyBase],initialize:function(t,e){this.properties=t.properties,this._makeFeatureParts(t,e)},render:function(t,e){Symbolizer.prototype.render.call(this,t,e),this._updatePath()}});L.VectorGrid=L.GridLayer.extend({options:{rendererFactory:L.svg.tile,vectorTileLayerStyles:{},interactive:!1},initialize:function(t){L.setOptions(this,t),L.GridLayer.prototype.initialize.apply(this,arguments),this.options.getFeatureId&&(this._vectorTiles={},this._overriddenStyles={},this.on("tileunload",function(t){var e=this._tileCoordsToKey(t.coords),r=this._vectorTiles[e];r&&this._map&&r.removeFrom(this._map),delete this._vectorTiles[e]},this)),this._dataLayerNames={}},createTile:function(t,e){var r=this.options.getFeatureId,i=this.getTileSize(),n=this.options.rendererFactory(t,i,this.options),o=this._getVectorTilePromise(t);return r&&(this._vectorTiles[this._tileCoordsToKey(t)]=n,n._features={}),o.then(function(i){for(var o in i.layers){this._dataLayerNames[o]=!0;for(var s=i.layers[o],a=this.getTileSize().divideBy(s.extent),u=this.options.vectorTileLayerStyles[o]||L.Path.prototype.options,h=0;h<s.features.length;h++){var l,c=s.features[h],f=u;if(r){l=this.options.getFeatureId(c);var p=this._overriddenStyles[l];p&&(f=p[o]?p[o]:p)}if(f instanceof Function&&(f=f(c.properties,t.z)),f instanceof Array||(f=[f]),f.length){for(var d=this._createLayer(c,a),y=0;y<f.length;y++){var m=L.extend({},L.Path.prototype.options,f[y]);d.render(n,m),n._addPath(d)}this.options.interactive&&d.makeInteractive(),r&&(n._features[l]={layerName:o,feature:d})}}}null!=this._map&&n.addTo(this._map),L.Util.requestAnimFrame(e.bind(t,null,null))}.bind(this)),n.getContainer()},setFeatureStyle:function(t,e){this._overriddenStyles[t]=e;for(var r in this._vectorTiles){var i=this._vectorTiles[r],n=i._features,o=n[t];if(o){var s=o.feature,a=e;e[o.layerName]&&(a=e[o.layerName]),this._updateStyles(s,i,a)}}return this},resetFeatureStyle:function(t){delete this._overriddenStyles[t];for(var e in this._vectorTiles){var r=this._vectorTiles[e],i=r._features,n=i[t];if(n){var o=n.feature,s=this.options.vectorTileLayerStyles[n.layerName]||L.Path.prototype.options;this._updateStyles(o,r,s)}}return this},getDataLayerNames:function(){return Object.keys(this._dataLayerNames)},_updateStyles:function(t,e,r){(r=r instanceof Function?r(t.properties,e.getCoord().z):r)instanceof Array||(r=[r]);for(var i=0;i<r.length;i++){var n=L.extend({},L.Path.prototype.options,r[i]);t.updateStyle(e,n)}},_createLayer:function(t,e,r){var i;switch(t.type){case 1:i=new PointSymbolizer(t,e);break;case 2:i=new LineSymbolizer(t,e);break;case 3:i=new FillSymbolizer(t,e)}return this.options.interactive&&i.addEventParent(this),i}}),L.vectorGrid=function(t){return new L.VectorGrid(t)},L.VectorGrid.Protobuf=L.VectorGrid.extend({options:{subdomains:"abc",fetchOptions:{}},initialize:function(t,e){this._url=t,L.VectorGrid.prototype.initialize.call(this,e)},setUrl:function(t,e){return this._url=t,e||this.redraw(),this},_getSubdomain:L.TileLayer.prototype._getSubdomain,_getVectorTilePromise:function(t){var e={s:this._getSubdomain(t),x:t.x,y:t.y,z:t.z};if(this._map&&!this._map.options.crs.infinite){var r=this._globalTileRange.max.y-t.y;this.options.tms&&(e.y=r),e["-y"]=r}var i=L.Util.template(this._url,L.extend(e,this.options));return fetch(i,this.options.fetchOptions).then(function(t){return t.ok?t.blob().then(function(t){var e=new FileReader;return new Promise(function(r){e.addEventListener("loadend",function(){var t=new index(e.result);return r(new VectorTile(t))}),e.readAsArrayBuffer(t)})}):{layers:[]}}).then(function(t){for(var e in t.layers){for(var r=[],i=0;i<t.layers[e].length;i++){var n=t.layers[e].feature(i);n.geometry=n.loadGeometry(),r.push(n)}t.layers[e].features=r}return t})}}),L.vectorGrid.protobuf=function(t,e){return new L.VectorGrid.Protobuf(t,e)}
+;var workerCode=__$strToBlobUri('"use strict";function simplify$1(e,t){var r,n,o,i,a=t*t,s=e.length,l=0,u=s-1,c=[];for(e[l][2]=1,e[u][2]=1;u;){for(n=0,r=l+1;r<u;r++)(o=getSqSegDist(e[r],e[l],e[u]))>n&&(i=r,n=o);n>a?(e[i][2]=n,c.push(l),c.push(i),l=i):(u=c.pop(),l=c.pop())}}function getSqSegDist(e,t,r){var n=t[0],o=t[1],i=r[0],a=r[1],s=e[0],l=e[1],u=i-n,c=a-o;if(0!==u||0!==c){var f=((s-n)*u+(l-o)*c)/(u*u+c*c);f>1?(n=i,o=a):f>0&&(n+=u*f,o+=c*f)}return u=s-n,c=l-o,u*u+c*c}function convert$1(e,t){var r=[];if("FeatureCollection"===e.type)for(var n=0;n<e.features.length;n++)convertFeature(r,e.features[n],t);else"Feature"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r}function convertFeature(e,t,r){if(null!==t.geometry){var n,o,i,a,s=t.geometry,l=s.type,u=s.coordinates,c=t.properties;if("Point"===l)e.push(create(c,1,[projectPoint(u)]));else if("MultiPoint"===l)e.push(create(c,1,project(u)));else if("LineString"===l)e.push(create(c,2,[project(u,r)]));else if("MultiLineString"===l||"Polygon"===l){for(i=[],n=0;n<u.length;n++)a=project(u[n],r),"Polygon"===l&&(a.outer=0===n),i.push(a);e.push(create(c,"Polygon"===l?3:2,i))}else if("MultiPolygon"===l){for(i=[],n=0;n<u.length;n++)for(o=0;o<u[n].length;o++)a=project(u[n][o],r),a.outer=0===o,i.push(a);e.push(create(c,3,i))}else{if("GeometryCollection"!==l)throw new Error("Input data is not a valid GeoJSON object.");for(n=0;n<s.geometries.length;n++)convertFeature(e,{geometry:s.geometries[n],properties:c},r)}}}function create(e,t,r){var n={geometry:r,type:t,tags:e||null,min:[2,1],max:[-1,0]};return calcBBox(n),n}function project(e,t){for(var r=[],n=0;n<e.length;n++)r.push(projectPoint(e[n]));return t&&(simplify(r,t),calcSize(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,n=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return n=n<0?0:n>1?1:n,[r,n,0]}function calcSize(e){for(var t,r,n=0,o=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],n+=t[0]*r[1]-r[0]*t[1],o+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(n/2),e.dist=o}function calcBBox(e){var t=e.geometry,r=e.min,n=e.max;if(1===e.type)calcRingBBox(r,n,t);else for(var o=0;o<t.length;o++)calcRingBBox(r,n,t[o]);return e}function calcRingBBox(e,t,r){for(var n,o=0;o<r.length;o++)n=r[o],e[0]=Math.min(n[0],e[0]),t[0]=Math.max(n[0],t[0]),e[1]=Math.min(n[1],e[1]),t[1]=Math.max(n[1],t[1])}function transformTile(e,t){if(e.transformed)return e;var r,n,o,i=e.z2,a=e.x,s=e.y;for(r=0;r<e.features.length;r++){var l=e.features[r],u=l.geometry;if(1===l.type)for(n=0;n<u.length;n++)u[n]=transformPoint(u[n],t,i,a,s);else for(n=0;n<u.length;n++){var c=u[n];for(o=0;o<c.length;o++)c[o]=transformPoint(c[o],t,i,a,s)}}return e.transformed=!0,e}function transformPoint(e,t,r,n,o){return[Math.round(t*(e[0]*r-n)),Math.round(t*(e[1]*r-o))]}function clip$1(e,t,r,n,o,i,a,s){if(r/=t,n/=t,a>=r&&s<=n)return e;if(a>n||s<r)return null;for(var l=[],u=0;u<e.length;u++){var c,f,p=e[u],h=p.geometry,m=p.type;if(c=p.min[o],f=p.max[o],c>=r&&f<=n)l.push(p);else if(!(c>n||f<r)){var g=1===m?clipPoints(h,r,n,o):clipGeometry(h,r,n,o,i,3===m);g.length&&l.push({geometry:g,type:m,tags:e[u].tags||null,min:p.min,max:p.max})}}return l.length?l:null}function clipPoints(e,t,r,n){for(var o=[],i=0;i<e.length;i++){var a=e[i],s=a[n];s>=t&&s<=r&&o.push(a)}return o}function clipGeometry(e,t,r,n,o,i){for(var a=[],s=0;s<e.length;s++){var l,u,c,f=0,p=0,h=null,m=e[s],g=m.area,d=m.dist,v=m.outer,y=m.length,x=[];for(u=0;u<y-1;u++)l=h||m[u],h=m[u+1],f=p||l[n],p=h[n],f<t?p>r?(x.push(o(l,h,t),o(l,h,r)),i||(x=newSlice(a,x,g,d,v))):p>=t&&x.push(o(l,h,t)):f>r?p<t?(x.push(o(l,h,r),o(l,h,t)),i||(x=newSlice(a,x,g,d,v))):p<=r&&x.push(o(l,h,r)):(x.push(l),p<t?(x.push(o(l,h,t)),i||(x=newSlice(a,x,g,d,v))):p>r&&(x.push(o(l,h,r)),i||(x=newSlice(a,x,g,d,v))));l=m[y-1],f=l[n],f>=t&&f<=r&&x.push(l),c=x[x.length-1],i&&c&&(x[0][0]!==c[0]||x[0][1]!==c[1])&&x.push(x[0]),newSlice(a,x,g,d,v)}return a}function newSlice(e,t,r,n,o){return t.length&&(t.area=r,t.dist=n,void 0!==o&&(t.outer=o),e.push(t)),[]}function wrap$1(e,t,r){var n=e,o=clip$2(e,1,-1-t,t,0,r,-1,2),i=clip$2(e,1,1-t,2+t,0,r,-1,2);return(o||i)&&(n=clip$2(e,1,-t,1+t,0,r,-1,2),o&&(n=shiftFeatureCoords(o,1).concat(n)),i&&(n=n.concat(shiftFeatureCoords(i,-1)))),n}function shiftFeatureCoords(e,t){for(var r=[],n=0;n<e.length;n++){var o,i=e[n],a=i.type;if(1===a)o=shiftCoords(i.geometry,t);else{o=[];for(var s=0;s<i.geometry.length;s++)o.push(shiftCoords(i.geometry[s],t))}r.push({geometry:o,type:a,tags:i.tags,min:[i.min[0]+t,i.min[1]],max:[i.max[0]+t,i.max[1]]})}return r}function shiftCoords(e,t){var r=[];r.area=e.area,r.dist=e.dist;for(var n=0;n<e.length;n++)r.push([e[n][0]+t,e[n][1],e[n][2]]);return r}function createTile$1(e,t,r,n,o,i){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:n,z2:t,transformed:!1,min:[2,1],max:[-1,0]},s=0;s<e.length;s++){a.numFeatures++,addFeature(a,e[s],o,i);var l=e[s].min,u=e[s].max;l[0]<a.min[0]&&(a.min[0]=l[0]),l[1]<a.min[1]&&(a.min[1]=l[1]),u[0]>a.max[0]&&(a.max[0]=u[0]),u[1]>a.max[1]&&(a.max[1]=u[1])}return a}function addFeature(e,t,r,n){var o,i,a,s,l=t.geometry,u=t.type,c=[],f=r*r;if(1===u)for(o=0;o<l.length;o++)c.push(l[o]),e.numPoints++,e.numSimplified++;else for(o=0;o<l.length;o++)if(a=l[o],n||!(2===u&&a.dist<r||3===u&&a.area<f)){var p=[];for(i=0;i<a.length;i++)s=a[i],(n||s[2]>f)&&(p.push(s),e.numSimplified++),e.numPoints++;3===u&&rewind(p,a.outer),c.push(p)}else e.numPoints+=a.length;c.length&&e.features.push({geometry:c,type:u,tags:t.tags||null})}function rewind(e,t){signedArea(e)<0===t&&e.reverse()}function signedArea(e){for(var t,r,n=0,o=0,i=e.length,a=i-1;o<i;a=o++)t=e[o],r=e[a],n+=(r[0]-t[0])*(t[1]+r[1]);return n}function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var r=t.debug;r&&console.time("preprocess data");var n=1<<t.maxZoom,o=convert(e,t.tolerance/(n*t.extent));this.tiles={},this.tileCoords=[],r&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),o=wrap(o,t.buffer/t.extent,intersectX),o.length&&this.splitTile(o,0,0,0),r&&(o.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}function toID(e,t,r){return 32*((1<<e)*r+t)+e}function intersectX(e,t,r){return[r,(r-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,r){return[(r-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],r,1]}function extend(e,t){for(var r in t)e[r]=t[r];return e}function isClippedSquare(e,t,r){var n=e.source;if(1!==n.length)return!1;var o=n[0];if(3!==o.type||o.geometry.length>1)return!1;var i=o.geometry[0].length;if(5!==i)return!1;for(var a=0;a<i;a++){var s=transform.point(o.geometry[0][a],t,e.z2,e.x,e.y);if(s[0]!==-r&&s[0]!==t+r||s[1]!==-r&&s[1]!==t+r)return!1}return!0}function feature$1(e,t){var r=t.id,n=t.bbox,o=null==t.properties?{}:t.properties,i=object(e,t);return null==r&&null==n?{type:"Feature",properties:o,geometry:i}:null==n?{type:"Feature",id:r,properties:o,geometry:i}:{type:"Feature",id:r,bbox:n,properties:o,geometry:i}}function object(e,t){function r(e,t){t.length&&t.pop();for(var r=u[e<0?~e:e],n=0,o=r.length;n<o;++n)t.push(l(r[n].slice(),n));e<0&&reverse(t,o)}function n(e){return l(e.slice())}function o(e){for(var t=[],n=0,o=e.length;n<o;++n)r(e[n],t);return t.length<2&&t.push(t[0].slice()),t}function i(e){for(var t=o(e);t.length<4;)t.push(t[0].slice());return t}function a(e){return e.map(i)}function s(e){var t,r=e.type;switch(r){case"GeometryCollection":return{type:r,geometries:e.geometries.map(s)};case"Point":t=n(e.coordinates);break;case"MultiPoint":t=e.coordinates.map(n);break;case"LineString":t=o(e.arcs);break;case"MultiLineString":t=e.arcs.map(o);break;case"Polygon":t=a(e.arcs);break;case"MultiPolygon":t=e.arcs.map(a);break;default:return null}return{type:r,coordinates:t}}var l=transform$3(e),u=e.arcs;return s(t)}function extractArcs(e,t,r){function n(e){var t=e<0?~e:e;(c[t]||(c[t]=[])).push({i:e,g:l})}function o(e){e.forEach(n)}function i(e){e.forEach(o)}function a(e){e.forEach(i)}function s(e){switch(l=e,e.type){case"GeometryCollection":e.geometries.forEach(s);break;case"LineString":o(e.arcs);break;case"MultiLineString":case"Polygon":i(e.arcs);break;case"MultiPolygon":a(e.arcs)}}var l,u=[],c=[];return s(t),c.forEach(null==r?function(e){u.push(e[0].i)}:function(e){r(e[0].g,e[e.length-1].g)&&u.push(e[0].i)}),u}function planarRingArea(e){for(var t,r=-1,n=e.length,o=e[n-1],i=0;++r<n;)t=o,o=e[r],i+=t[0]*o[1]-t[1]*o[0];return Math.abs(i)}var simplify_1=simplify$1,convert_1=convert$1,simplify=simplify_1,tile=transformTile,point=transformPoint,transform$1={tile:tile,point:point},clip_1=clip$1,clip$2=clip_1,wrap_1=wrap$1,tile$1=createTile$1,index=geojsonvt,convert=convert_1,transform=transform$1,clip=clip_1,wrap=wrap_1,createTile=tile$1;GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,r,n,o,i,a){for(var s=this,l=[e,t,r,n],u=this.options,c=u.debug,f=null;l.length;){n=l.pop(),r=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,h=toID(t,r,n),m=s.tiles[h],g=t===u.maxZoom?0:u.tolerance/(p*u.extent);if(!m&&(c>1&&console.time("creation"),m=s.tiles[h]=createTile(e,p,r,n,g,t===u.maxZoom),s.tileCoords.push({z:t,x:r,y:n}),c)){c>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,r,n,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var d="z"+t;s.stats[d]=(s.stats[d]||0)+1,s.total++}if(m.source=e,o){if(t===u.maxZoom||t===o)continue;var v=1<<o-t;if(r!==Math.floor(i/v)||n!==Math.floor(a/v))continue}else if(t===u.indexMaxZoom||m.numPoints<=u.indexMaxPoints)continue;if(u.solidChildren||!isClippedSquare(m,u.extent,u.buffer)){m.source=null,c>1&&console.time("clipping");var y,x,b,M,P,S,w=.5*u.buffer/u.extent,$=.5-w,C=.5+w,F=1+w;y=x=b=M=null,P=clip(e,p,r-w,r+C,0,intersectX,m.min[0],m.max[0]),S=clip(e,p,r+$,r+F,0,intersectX,m.min[0],m.max[0]),P&&(y=clip(P,p,n-w,n+C,1,intersectY,m.min[1],m.max[1]),x=clip(P,p,n+$,n+F,1,intersectY,m.min[1],m.max[1])),S&&(b=clip(S,p,n-w,n+C,1,intersectY,m.min[1],m.max[1]),M=clip(S,p,n+$,n+F,1,intersectY,m.min[1],m.max[1])),c>1&&console.timeEnd("clipping"),y&&l.push(y,t+1,2*r,2*n),x&&l.push(x,t+1,2*r,2*n+1),b&&l.push(b,t+1,2*r+1,2*n),M&&l.push(M,t+1,2*r+1,2*n+1)}else o&&(f=t)}return f},GeoJSONVT.prototype.getTile=function(e,t,r){var n=this,o=this.options,i=o.extent,a=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,r);if(this.tiles[l])return transform.tile(this.tiles[l],i);a>1&&console.log("drilling down to z%d-%d-%d",e,t,r);for(var u,c=e,f=t,p=r;!u&&c>0;)c--,f=Math.floor(f/2),p=Math.floor(p/2),u=n.tiles[toID(c,f,p)];if(!u||!u.source)return null;if(a>1&&console.log("found parent tile z%d-%d-%d",c,f,p),isClippedSquare(u,i,o.buffer))return transform.tile(u,i);a>1&&console.time("drilling down");var h=this.splitTile(u.source,c,f,p,e,t,r);if(a>1&&console.timeEnd("drilling down"),null!==h){var m=1<<e-h;l=toID(h,Math.floor(t/m),Math.floor(r/m))}return this.tiles[l]?transform.tile(this.tiles[l],i):null};var identity=function(e){return e},transform$3=function(e){if(null==(t=e.transform))return identity;var t,r,n,o=t.scale[0],i=t.scale[1],a=t.translate[0],s=t.translate[1];return function(e,t){return t||(r=n=0),e[0]=(r+=e[0])*o+a,e[1]=(n+=e[1])*i+s,e}},bbox=function(e){function t(e){s[0]=e[0],s[1]=e[1],a(s),s[0]<l&&(l=s[0]),s[0]>c&&(c=s[0]),s[1]<u&&(u=s[1]),s[1]>f&&(f=s[1])}function r(e){switch(e.type){case"GeometryCollection":e.geometries.forEach(r);break;case"Point":t(e.coordinates);break;case"MultiPoint":e.coordinates.forEach(t)}}var n=e.bbox;if(!n){var o,i,a=transform$3(e),s=new Array(2),l=1/0,u=l,c=-l,f=-l;e.arcs.forEach(function(e){for(var t=-1,r=e.length;++t<r;)o=e[t],s[0]=o[0],s[1]=o[1],a(s,t),s[0]<l&&(l=s[0]),s[0]>c&&(c=s[0]),s[1]<u&&(u=s[1]),s[1]>f&&(f=s[1])});for(i in e.objects)r(e.objects[i]);n=e.bbox=[l,u,c,f]}return n},reverse=function(e,t){for(var r,n=e.length,o=n-t;o<--n;)r=e[o],e[o++]=e[n],e[n]=r},feature=function(e,t){return"GeometryCollection"===t.type?{type:"FeatureCollection",features:t.geometries.map(function(t){return feature$1(e,t)})}:feature$1(e,t)},stitch=function(e,t){function r(t){var r,n=e.arcs[t<0?~t:t],o=n[0];return e.transform?(r=[0,0],n.forEach(function(e){r[0]+=e[0],r[1]+=e[1]})):r=n[n.length-1],t<0?[r,o]:[o,r]}function n(e,t){for(var r in e){var n=e[r];delete t[n.start],delete n.start,delete n.end,n.forEach(function(e){o[e<0?~e:e]=1}),s.push(n)}}var o={},i={},a={},s=[],l=-1;return t.forEach(function(r,n){var o,i=e.arcs[r<0?~r:r];i.length<3&&!i[1][0]&&!i[1][1]&&(o=t[++l],t[l]=r,t[n]=o)}),t.forEach(function(e){var t,n,o=r(e),s=o[0],l=o[1];if(t=a[s])if(delete a[t.end],t.push(e),t.end=l,n=i[l]){delete i[n.start];var u=n===t?t:t.concat(n);i[u.start=t.start]=a[u.end=n.end]=u}else i[t.start]=a[t.end]=t;else if(t=i[l])if(delete i[t.start],t.unshift(e),t.start=s,n=a[s]){delete a[n.end];var c=n===t?t:n.concat(t);i[c.start=n.start]=a[c.end=t.end]=c}else i[t.start]=a[t.end]=t;else t=[e],i[t.start=s]=a[t.end=l]=t}),n(a,i),n(i,a),t.forEach(function(e){o[e<0?~e:e]||s.push([e])}),s},bisect=function(e,t){for(var r=0,n=e.length;r<n;){var o=r+n>>>1;e[o]<t?r=o+1:n=o}return r},slicers={},options;onmessage=function(e){if("slice"===e.data[0]){var t=e.data[1];if(options=e.data[2],t.type&&"Topology"===t.type)for(var r in t.objects)slicers[r]=index(feature(t,t.objects[r]),options);else slicers[options.vectorTileLayerName]=index(t,options)}else if("get"===e.data[0]){var n=e.data[1],o={};for(var r in slicers){var i=slicers[r].getTile(n.z,n.x,n.y);if(i){var a={features:[],extent:options.extent,name:options.vectorTileLayerName,length:i.features.length};for(var s in i.features){var l={geometry:i.features[s].geometry,properties:i.features[s].tags,type:i.features[s].type};a.features.push(l)}o[r]=a}}postMessage({layers:o,coords:n})}};\n',"text/plain; charset=us-ascii",!1);L.VectorGrid.Slicer=L.VectorGrid.extend({options:{vectorTileLayerName:"sliced",extent:4096,maxZoom:14},initialize:function(t,e){L.VectorGrid.prototype.initialize.call(this,e);var e={};for(var r in this.options)"rendererFactory"!==r&&"vectorTileLayerStyles"!==r&&"function"!=typeof this.options[r]&&(e[r]=this.options[r]);this._worker=new Worker(workerCode),this._worker.postMessage(["slice",t,e])},_getVectorTilePromise:function(t){var e=this,r=new Promise(function(r){e._worker.addEventListener("message",function i(n){n.data.coords&&n.data.coords.x===t.x&&n.data.coords.y===t.y&&n.data.coords.z===t.z&&(r(n.data),e._worker.removeEventListener("message",i))})});return this._worker.postMessage(["get",t]),r}}),L.vectorGrid.slicer=function(t,e){return new L.VectorGrid.Slicer(t,e)},L.Canvas.Tile=L.Canvas.extend({initialize:function(t,e,r){L.Canvas.prototype.initialize.call(this,r),this._tileCoord=t,this._size=e,this._initContainer(),this._container.setAttribute("width",this._size.x),this._container.setAttribute("height",this._size.y),this._layers={},this._drawnLayers={},this._drawing=!0,r.interactive&&(this._container.style.pointerEvents="auto")},getCoord:function(){return this._tileCoord},getContainer:function(){return this._container},getOffset:function(){return this._tileCoord.scaleBy(this._size).subtract(this._map.getPixelOrigin())},onAdd:L.Util.falseFn,addTo:function(t){this._map=t},removeFrom:function(t){delete this._map},_onClick:function(t){var e,r,i=this._map.mouseEventToLayerPoint(t).subtract(this.getOffset());for(var n in this._layers)e=this._layers[n],e.options.interactive&&e._containsPoint(i)&&!this._map._draggableMoved(e)&&(r=e);r&&(L.DomEvent.fakeStop(t),this._fireEvent([r],t))},_onMouseMove:function(t){if(this._map&&!this._map.dragging.moving()&&!this._map._animatingZoom){var e=this._map.mouseEventToLayerPoint(t).subtract(this.getOffset());this._handleMouseHover(t,e)}},_updateIcon:function(t){if(this._drawing){var e=t.options.icon,r=e.options,i=L.point(r.iconSize),n=r.iconAnchor||i&&i.divideBy(2,!0),o=t._point.subtract(n),s=this._ctx,a=t._getImage();a.complete?s.drawImage(a,o.x,o.y,i.x,i.y):L.DomEvent.on(a,"load",function(){s.drawImage(a,o.x,o.y,i.x,i.y)}),this._drawnLayers[t._leaflet_id]=t}}}),L.canvas.tile=function(t,e,r){return new L.Canvas.Tile(t,e,r)};
diff --git a/src/Controllers/d.map.php b/src/Controllers/d.map.php
index 549c926..babae26 100755
--- a/src/Controllers/d.map.php
+++ b/src/Controllers/d.map.php
@@ -17,7 +17,7 @@ if(isset($controller->splitted_url[1]) && $controller->splitted_url[1] != '') {
 else {
 	// Chargement de la carte et des dépendances Leaflet.
 	$head['title'] = "Carte";
-	$head['third'] = "leaflet/leaflet.js;leaflet-fullscreen/Leaflet.fullscreen.min.js;leaflet-easybutton/easy-button.js";
+	$head['third'] = "leaflet/leaflet.js;leaflet-fullscreen/Leaflet.fullscreen.min.js;leaflet-easybutton/easy-button.js;leaflet-vectorgrid/Leaflet.VectorGrid.bundled.min.js";
 	$head['css'] .= ";d.map.css;../third/leaflet/leaflet.css;../third/leaflet-fullscreen/leaflet.fullscreen.css;../third/leaflet-easybutton/easy-button.css";
 	$head['js'] = "d.map.js";
 
diff --git a/src/Controllers/d.poi.php b/src/Controllers/d.poi.php
index 6c23be5..e92ac7e 100755
--- a/src/Controllers/d.poi.php
+++ b/src/Controllers/d.poi.php
@@ -146,6 +146,18 @@ switch ($controller->splitted_url[1]) {
 	    echo json_encode($out, JSON_UNESCAPED_UNICODE);
 		break;
 
+	case "tile":
+	    $z = intval($controller->splitted_url[2]);
+	    $x = intval($controller->splitted_url[3]);
+	    $y = intval(str_replace(".pbf","",$controller->splitted_url[4]));
+
+	    $pois = new Kabano\Pois();
+
+	    header("Content-Type: application/x-protobuf");
+
+	    echo $pois->getVectorTile($z,$x,$y);
+	    break;
+
 	default:
 		// Affichage / édition / suppression d’un POI
 		if ($poi->checkPermalink($controller->splitted_url[1], $user->rankIsHigher("premium"))) {
diff --git a/src/Models/d.poi.php b/src/Models/d.poi.php
index 6142855..3bcfffb 100755
--- a/src/Models/d.poi.php
+++ b/src/Models/d.poi.php
@@ -60,73 +60,72 @@ class Poi
 	** Checks if a page at this URL exists and return the ID
 	*****/
 	public function checkPermalink($permalink, $withArchive=0, $elementNb=0) {
-	    global $config;
 
 		// Récupère la dernière version du POI.
 		$con = sql_connect();
 
-	    $query = "SELECT
-            content_versions.id AS version_id,
-            content_versions.version,
-            content_versions.update_date,
-            content_versions.is_archive,
-            content_versions.name,
-            content_versions.content AS parameters,
+		$query = "SELECT
+			content_versions.id AS version_id,
+			content_versions.version,
+			content_versions.update_date,
+			content_versions.is_archive,
+			content_versions.name,
+			content_versions.content AS parameters,
 
-            contents.id AS content_id,
-            contents.permalink,
-            contents.creation_date,
-            contents.is_public,
-            contents.is_commentable,
-            contents.type,
-            contents.poi_type,
+			contents.id AS content_id,
+			contents.permalink,
+			contents.creation_date,
+			contents.is_public,
+			contents.is_commentable,
+			contents.type,
+			contents.poi_type,
 
-            content_locales.id AS locale_id,
-            content_locales.locale,
-            content_locales.author,
+			content_locales.id AS locale_id,
+			content_locales.locale,
+			content_locales.author,
 
-            specs.source_id,
-            specs.remote_source_id,
-            ST_X(specs.geom) AS lon,
-            ST_Y(specs.geom) AS lat,
-            ST_Z(specs.geom) AS ele,
+			specs.source_id,
+			specs.remote_source_id,
+			ST_X(specs.geom) AS lon,
+			ST_Y(specs.geom) AS lat,
+			ST_Z(specs.geom) AS ele,
 
-            sources.display_name AS source
+			sources.display_name AS source
 
-	        FROM contents
-	        INNER JOIN content_locales
-	            ON contents.id = content_locales.content_id
-	        INNER JOIN content_versions
-	            ON content_locales.id = content_versions.locale_id
-	        LEFT JOIN content_version_poi_specifications specs
-	            ON specs.content_version_id = content_versions.id
-	        LEFT JOIN sources
-	            ON sources.id = specs.source_id
+			FROM contents
+			INNER JOIN content_locales
+				ON contents.id = content_locales.content_id
+			INNER JOIN content_versions
+				ON content_locales.id = content_versions.locale_id
+			LEFT JOIN content_version_poi_specifications specs
+				ON specs.content_version_id = content_versions.id
+			LEFT JOIN sources
+				ON sources.id = specs.source_id
 
-	        WHERE contents.permalink = $1
-	          AND contents.type = 'poi'";
+			WHERE contents.permalink = $1
+			  AND contents.type = 'poi'";
 
-	    if ($withArchive == 0) {
-	        $query .= " AND content_versions.is_archive = FALSE AND contents.is_public = TRUE";
-	    }
+		if ($withArchive == 0) {
+			$query .= " AND content_versions.is_archive = FALSE AND contents.is_public = TRUE";
+		}
 
-	    $query .= " ORDER BY content_versions.update_date DESC LIMIT 1 OFFSET $2";
+		$query .= " ORDER BY content_versions.update_date DESC LIMIT 1 OFFSET $2";
 
-	    pg_prepare($con, "poi_check_permalink", $query)
-	        or die ("Cannot prepare statement\n");
+		pg_prepare($con, "poi_check_permalink", $query)
+			or die ("Cannot prepare statement\n");
 
-	    $result = pg_execute($con, "poi_check_permalink", [$permalink, $elementNb])
-	        or die ("Cannot execute statement\n");
+		$result = pg_execute($con, "poi_check_permalink", [$permalink, $elementNb])
+			or die ("Cannot execute statement\n");
 
-	    pg_close($con);
+		pg_close($con);
 
-	    if (pg_num_rows($result) == 1) {
-	        $row = pg_fetch_assoc($result);
-	        $this->populate($row);
-	        return 1;
-	    }
+		if (pg_num_rows($result) == 1) {
+			$row = pg_fetch_assoc($result);
+			$this->populate($row);
+			return 1;
+		}
 
-	    return 0;
+		return 0;
 	}
 
 	/*****
@@ -215,7 +214,6 @@ class Poi
 	** Create a new poi
 	*****/
 	public function insert() {
-		global $config;
 		global $user;
 		
 		// Création d'un nouveau POI.
@@ -284,7 +282,6 @@ class Poi
 	** Edit a POI by archiving the current version and inserting a new one
 	*****/
 	public function update() {
-		global $config;
 		global $user;
 
 		// Vérifie que les identifiants sont chargés.
@@ -345,7 +342,6 @@ class Poi
 	** Archive a POI
 	*****/
 	public function delete() {
-		global $config;
 		global $user;
 
 		// Archivage logique du POI.
@@ -369,7 +365,6 @@ class Poi
 	** Restore a POI
 	*****/
 	public function restore() {
-		global $config;
 		global $user;
 
 		// Restauration d'un POI archivé.
@@ -398,59 +393,58 @@ class Pois
 
 	// Liste des POIs publiés (ou archivés si demandé).
 	public function listPoisBBOX($n,$s,$e,$w,$archive=0) {
-		global $config;
 
 		// Chargement des POIs avec leurs versions actives.
 		$con = sql_connect();
 
 		$query = "SELECT
-            content_versions.id AS version_id,
-            content_versions.version,
-            content_versions.update_date,
-            content_versions.is_archive,
-            content_versions.name,
-            content_versions.content AS parameters,
+			content_versions.id AS version_id,
+			content_versions.version,
+			content_versions.update_date,
+			content_versions.is_archive,
+			content_versions.name,
+			content_versions.content AS parameters,
 
-            contents.id AS content_id,
-            contents.permalink,
-            contents.creation_date,
-            contents.is_public,
-            contents.is_commentable,
-            contents.type,
-            contents.poi_type,
+			contents.id AS content_id,
+			contents.permalink,
+			contents.creation_date,
+			contents.is_public,
+			contents.is_commentable,
+			contents.type,
+			contents.poi_type,
 
-            content_locales.id AS locale_id,
-            content_locales.locale,
-            content_locales.author,
+			content_locales.id AS locale_id,
+			content_locales.locale,
+			content_locales.author,
 
-            specs.source_id,
-            specs.remote_source_id,
-            ST_X(specs.geom) AS lon,
-            ST_Y(specs.geom) AS lat,
-            ST_Z(specs.geom) AS ele,
+			specs.source_id,
+			specs.remote_source_id,
+			ST_X(specs.geom) AS lon,
+			ST_Y(specs.geom) AS lat,
+			ST_Z(specs.geom) AS ele,
 
-            sources.display_name AS source
+			sources.display_name AS source
 
-	        FROM contents
-	        INNER JOIN content_locales
-	            ON contents.id = content_locales.content_id
-	        INNER JOIN content_versions
-	            ON content_locales.id = content_versions.locale_id
-	        LEFT JOIN content_version_poi_specifications specs
-	            ON specs.content_version_id = content_versions.id
-	        LEFT JOIN sources
-	            ON sources.id = specs.source_id
+			FROM contents
+			INNER JOIN content_locales
+				ON contents.id = content_locales.content_id
+			INNER JOIN content_versions
+				ON content_locales.id = content_versions.locale_id
+			LEFT JOIN content_version_poi_specifications specs
+				ON specs.content_version_id = content_versions.id
+			LEFT JOIN sources
+				ON sources.id = specs.source_id
 
-	        WHERE contents.type = 'poi'
-	        	AND content_versions.is_archive = FALSE
-			    AND specs.geom && ST_MakeEnvelope(
-			        $1,
-			        $2,
-			        $3,
-			        $4,
-			        4326
-			    )
-			    ";
+			WHERE contents.type = 'poi'
+				AND content_versions.is_archive = FALSE
+				AND specs.geom && ST_MakeEnvelope(
+					$1,
+					$2,
+					$3,
+					$4,
+					4326
+				)
+				";
 
 		if ($archive != 1)
 			$query .= " AND contents.is_public=TRUE ";
@@ -469,52 +463,104 @@ class Pois
 		}
 	}
 
+	public function getVectorTile($z, $x, $y)
+	{
+		$con = sql_connect();
+		pg_query($con, "SET jit=off");
+
+		$sql = "WITH tile AS ( SELECT
+					ST_TileEnvelope($1, $2, $3) AS tile_geom
+				),
+
+			mvtgeom AS ( SELECT CAST(contents.id AS integer) AS id,
+					contents.poi_type::text AS poi_type,
+					contents.permalink::text AS permalink,
+					ST_AsMVTGeom( ST_Transform(
+									specs.geom,
+									3857
+								),
+						tile.tile_geom, 4096, 64, true ) AS geom
+				FROM content_version_poi_specifications specs
+				INNER JOIN content_versions
+					ON specs.content_version_id = content_versions.id
+				INNER JOIN content_locales 
+					ON content_versions.locale_id = content_locales.id
+				INNER JOIN contents
+					ON content_locales.content_id = contents.id
+				CROSS JOIN tile
+					
+				WHERE contents.type = 'poi'
+					AND specs.geom IS NOT NULL
+					AND ST_Transform(specs.geom, 3857) && tile.tile_geom
+				)
+			SELECT ST_AsMVT( mvtgeom, 'pois', 4096, 'geom' )
+			FROM mvtgeom
+			WHERE geom IS NOT NULL";
+
+		$result = pg_query_params(
+			$con,
+			$sql,
+			[$z, $x, $y]
+		);
+
+		if (!$result) {
+			throw new \Exception(
+				pg_last_error($con)
+			);
+		}
+
+		$row = pg_fetch_row($result);
+
+		pg_close($con);
+
+		return pg_unescape_bytea($row[0]);
+	}
+
 	public function getHistory($permalink) {
-		global $config;
 
 		// Historique des versions d'un POI.
 		$con = sql_connect();
 
 		$query = "SELECT
-            content_versions.id AS version_id,
-            content_versions.version,
-            content_versions.update_date,
-            content_versions.is_archive,
-            content_versions.name,
-            content_versions.content AS parameters,
+			content_versions.id AS version_id,
+			content_versions.version,
+			content_versions.update_date,
+			content_versions.is_archive,
+			content_versions.name,
+			content_versions.content AS parameters,
 
-            contents.id AS content_id,
-            contents.permalink,
-            contents.creation_date,
-            contents.is_public,
-            contents.is_commentable,
-            contents.type,
-            contents.poi_type,
+			contents.id AS content_id,
+			contents.permalink,
+			contents.creation_date,
+			contents.is_public,
+			contents.is_commentable,
+			contents.type,
+			contents.poi_type,
 
-            content_locales.id AS locale_id,
-            content_locales.locale,
-            content_locales.author,
+			content_locales.id AS locale_id,
+			content_locales.locale,
+			content_locales.author,
 
-            specs.source_id,
-            specs.remote_source_id,
-            ST_X(specs.geom) AS lon,
-            ST_Y(specs.geom) AS lat,
-            ST_Z(specs.geom) AS ele,
+			specs.source_id,
+			specs.remote_source_id,
+			ST_X(specs.geom) AS lon,
+			ST_Y(specs.geom) AS lat,
+			ST_Z(specs.geom) AS ele,
 
-            sources.display_name AS source
+			sources.display_name AS source
 
-	        FROM contents
-	        INNER JOIN content_locales
-	            ON contents.id = content_locales.content_id
-	        INNER JOIN content_versions
-	            ON content_locales.id = content_versions.locale_id
-	        LEFT JOIN content_version_poi_specifications specs
-	            ON specs.content_version_id = content_versions.id
-	        LEFT JOIN sources
-	            ON sources.id = specs.source_id
+			FROM contents
+			INNER JOIN content_locales
+				ON contents.id = content_locales.content_id
+			INNER JOIN content_versions
+				ON content_locales.id = content_versions.locale_id
+			LEFT JOIN content_version_poi_specifications specs
+				ON specs.content_version_id = content_versions.id
+			LEFT JOIN sources
+				ON sources.id = specs.source_id
 
-	        WHERE contents.permalink = $1
-	          AND contents.type = 'poi'
+			WHERE contents.permalink = $1
+			  AND contents.type = 'poi'
 
 			ORDER BY content_versions.update_date DESC
 		";