diff --git a/angular.json b/angular.json
index b81fd06fd589b07d081ed824bafbcae59ef452e6..1e78e97c311669631b4a8637eb7801efe05055ec 100644
--- a/angular.json
+++ b/angular.json
@@ -35,7 +35,8 @@
             ],
             "styles": [
               "./node_modules/@angular/material/prebuilt-themes/indigo-pink.css",
-              "src/styles.scss"
+              "src/styles.scss",
+              "./node_modules/leaflet/dist/leaflet.css"
             ],
             "scripts": []
           },
diff --git a/package-lock.json b/package-lock.json
index 0b70bdae1d79cb0e889297624aa8f767626e52e7..47f91f0bf7ce54778b292b9e0faa57af7c8436bd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,6 +20,7 @@
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         "@asymmetrik/ngx-leaflet": "^8.1.0",
         "leaflet": "^1.7.1",
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@@ -3588,8 +3584,7 @@
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@@ -3673,6 +3668,37 @@
         "url": "https://github.com/sponsors/ljharb"
       }
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+      "resolved": "https://registry.npmjs.org/callback-stream/-/callback-stream-1.1.0.tgz",
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+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
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+        "inherits": "~2.0.3",
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@@ -4049,6 +4075,15 @@
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+        "leven": "^2.1.0",
+        "minimist": "^1.1.0"
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-      "dev": true
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+    },
+    "node_modules/concat-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
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+        "node >= 6.0"
+      ],
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+        "inherits": "^2.0.3",
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@@ -4352,8 +4400,7 @@
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-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-      "dev": true
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
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@@ -5034,7 +5081,6 @@
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@@ -5378,6 +5424,39 @@
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+      "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.7.1.tgz",
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+        "stream-shift": "^1.0.0"
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+        "inherits": "~2.0.3",
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@@ -6152,8 +6230,7 @@
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-      "dev": true
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@@ -6699,6 +6774,68 @@
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+        "glob-parent": "^3.1.0",
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+      "resolved": "https://registry.npmjs.org/help-me/-/help-me-1.1.0.tgz",
+      "integrity": "sha1-jy1QjQYAtKRW2i8IZVbn5cBWo8Y=",
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+        "glob-stream": "^6.1.0",
+        "through2": "^2.0.1",
+        "xtend": "^4.0.0"
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@@ -7449,7 +7596,6 @@
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@@ -7617,6 +7762,18 @@
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+        "is-windows": "^1.0.1"
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@@ -7803,6 +7959,14 @@
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@@ -7873,6 +8037,17 @@
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+      "resolved": "https://registry.npmjs.org/is-relative/-/is-relative-1.0.0.tgz",
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+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
+      "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
+      "requires": {
+        "readable-stream": "~2.3.6",
+        "xtend": "~4.0.1"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
+    "through2-filter": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/through2-filter/-/through2-filter-3.0.0.tgz",
+      "integrity": "sha512-jaRjI2WxN3W1V8/FMZ9HKIBXixtiqs3SQSX4/YGIiP3gL6djW48VoZq9tDqeCWs3MT8YY5wb/zli8VW8snY1CA==",
+      "requires": {
+        "through2": "~2.0.0",
+        "xtend": "~4.0.0"
+      }
+    },
     "thunky": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/thunky/-/thunky-1.1.0.tgz",
@@ -26722,6 +27452,15 @@
         "os-tmpdir": "~1.0.2"
       }
     },
+    "to-absolute-glob": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz",
+      "integrity": "sha1-GGX0PZ50sIItufFFt4z/fQ98hJs=",
+      "requires": {
+        "is-absolute": "^1.0.0",
+        "is-negated-glob": "^1.0.0"
+      }
+    },
     "to-fast-properties": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
@@ -26827,6 +27566,11 @@
         "mime-types": "~2.1.24"
       }
     },
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
+    },
     "typescript": {
       "version": "4.3.5",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
@@ -26839,6 +27583,11 @@
       "integrity": "sha512-6Gurc1n//gjp9eQNXjD9O3M/sMwVtN5S8Lv9bvOYBfKfDNiIIhqiyi01vMBO45u4zkDE420w/e0se7Vs+sIg+g==",
       "dev": true
     },
+    "unc-path-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
+      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo="
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz",
@@ -26917,6 +27666,15 @@
         "imurmurhash": "^0.1.4"
       }
     },
+    "unique-stream": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/unique-stream/-/unique-stream-2.3.1.tgz",
+      "integrity": "sha512-2nY4TnBE70yoxHkDli7DMazpWiP7xMdCYqU2nBRO0UB+ZpEkGsSija7MvmvnZFUeC+mrgiUfcHSr3LmRFIg4+A==",
+      "requires": {
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "through2-filter": "^3.0.0"
+      }
+    },
     "universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
@@ -27027,8 +27785,7 @@
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "utils-merge": {
       "version": "1.0.1",
@@ -27962,16 +28719,19 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "ws": {
       "version": "7.4.6",
       "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
       "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dev": true,
       "requires": {}
     },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
+    },
     "y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
diff --git a/package.json b/package.json
index 349ac8144b9cc3baf8634eb3c885627c4a3c182b..08742d619469e3fe50100cbd5a5e91bd829aed17 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
     "@angular/router": "~12.2.0",
     "@asymmetrik/ngx-leaflet": "^8.1.0",
     "leaflet": "^1.7.1",
+    "ngx-mqtt": "^9.0.5",
     "rxjs": "~6.6.0",
     "tslib": "^2.3.0",
     "zone.js": "~0.11.4"
diff --git a/src/app/app.component.html b/src/app/app.component.html
index e355942728719d67ca168d95bb59d85e5862511f..6874549124409c92900b64146a08f158b10207ab 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -4,5 +4,3 @@
 
 
 <app-map class="wrapper"></app-map>
-
-<router-outlet></router-outlet>
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index b3911649ab532de15c28c800667b3ea031e29c57..5e2c1ee4ce5721bb96f32a7d8de9b1b613ebdaee 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -4,6 +4,11 @@ import { BrowserModule } from '@angular/platform-browser';
 // --- Map
 import { LeafletModule } from '@asymmetrik/ngx-leaflet';
 
+// --- MQTT
+import { MqttModule } from 'ngx-mqtt';
+import { MQTTconfig } from './../environments/environment';
+
+
 // --- WS
 // import * as SockJS from 'sockjs-client';
 
@@ -14,7 +19,6 @@ import { CoreModule } from './core/core.module';
 // --- Services
 import { ApiService } from "./core/api.service";
 // import { StompService, StompConfig } from '@stomp/ng2-stompjs';
-import { environment } from './../environments/environment';
 
 // --- Components
 import { AppComponent } from './app.component';
@@ -35,7 +39,8 @@ import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
     SharedModule,
     CoreModule,
     LeafletModule,
-    BrowserAnimationsModule
+    BrowserAnimationsModule,
+    MqttModule.forRoot(MQTTconfig)
   ],
   providers: [ApiService],
   bootstrap: [AppComponent]
diff --git a/src/app/components/map/map.component.scss b/src/app/components/map/map.component.scss
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..21b328c5f4ede6d00d8cf8f45a2d0e110099d061 100644
--- a/src/app/components/map/map.component.scss
+++ b/src/app/components/map/map.component.scss
@@ -0,0 +1,16 @@
+.map {
+    margin-bottom: 20px;
+    height: 70vh
+}
+  
+table {
+width: 100%;
+}
+
+.table {
+    margin-bottom: 35px;
+
+    th.mat-header-cell {
+        vertical-align: middle;
+    }
+}
\ No newline at end of file
diff --git a/src/app/components/map/map.component.ts b/src/app/components/map/map.component.ts
index 6a9ca6e87e9c0f93ee6065c3faba5c3f9ecfbab8..8aa59a8b4bd775d9e104757404312a594d83a319 100644
--- a/src/app/components/map/map.component.ts
+++ b/src/app/components/map/map.component.ts
@@ -1,30 +1,11 @@
-import { NONE_TYPE } from '@angular/compiler';
 import { Component, OnInit } from '@angular/core';
-import * as L from "leaflet";
-
-class Location {
-  id: string;
-  type = 'position';
-  lat: Float32Array;
-  lng: Float32Array;
-
-  constructor(obj: any, id: any) {
-    this.id = id
-    this.lat = obj.lat
-    this.lng = obj.lng
-  }
-}
+import { Subscription } from 'rxjs';
 
-class Measurements {
-  id: string
-  type = 'measurements'
-  data: number[];
+import * as L from "leaflet";
+import { IMqttMessage, MqttService } from 'ngx-mqtt';
 
-  constructor(dist: any, id: any) {
-    this.id = id
-    this.data = dist
-  }
-}
+import { environment } from 'src/environments/environment';
+import {RelativePos, WGS84} from 'src/app/model/base-model';
 
 @Component({
   selector: 'app-map',
@@ -33,90 +14,122 @@ class Measurements {
 })
 export class MapComponent implements OnInit {
 
-  _stompService: any; 
-  map: L.Map;
+  private subsPosition: Subscription;
+  private subsOrigin: Subscription;
 
-  constructor() {
-    this.map = L.map('map', {
-        center: [51.505, -0.09],
-        zoom: 13
-    });
-  }
+  private map!: L.Map;
+
+  private origin!: WGS84;
+  
+  agentsInfo = new Map();
+  markOverlays = new Map();
+  posOverlays: { [key: string]: L.LayerGroup<any> } = {};
 
-  ngOnInit(): void { 
-    // wait on new Location
-    this._stompService.watch('/topic/locations').subscribe((message: any) => {
-      let payload = JSON.parse(message.body);
-      this.addNewMarker(payload)
+  constructor(private _mqttService: MqttService) {
+    this.origin = {"latitude": 51.02545, "longitude": 13.72295}
+
+    this.subsPosition = this._mqttService.observe('testtopic/5699').subscribe((message: IMqttMessage) => {
+      let pos: RelativePos = JSON.parse(message.payload.toString())
+      this.updatePosition('default', pos)
     });
 
-    // wait on new measurements
-    this._stompService.watch('/topic/positions').subscribe((message: any) => {
-      let payload = JSON.parse(message.body);
-      console.log('positions', payload)
-      this.addPosition(payload)
+    this.subsOrigin = this._mqttService.observe('testtopic/5699/origin').subscribe((message: IMqttMessage) => {
+      this.origin = JSON.parse(message.payload.toString())
     });
   }
 
-  addPosition(point: any) {
-    let marker = L.marker(point.position, {
-      icon: L.icon({
-        iconSize: [25, 41],
-        iconAnchor: [13, 41],
-        iconUrl: 'assets/marker-icon-red.png',
-        iconRetinaUrl: 'assets/marker-icon-2x-red.png',
-        shadowUrl: 'assets/marker-shadow.png'
-      })
-    }).bindPopup(point.id).openPopup();
-    marker.addTo(this.map);
-  }
+  ngOnInit(): void {}
 
   // --- Controllers
 
+  updatePosition(key: string, pos: RelativePos) {
+    // estimated position of an agent
+
+    let glob_pos = this.convert2wgs(pos)
+
+    // let point = L.point(pos.x, pos.y);
+    // let glob_pos = (this.map).layerPointToLatLng(point)
+
+    // --- Leyers
+    if (key in this.posOverlays) {
+      this.posOverlays[key].clearLayers();
+    } else {
+      this.posOverlays[key] = L.layerGroup().addTo(<L.Map>this.map)
+    }
+
+    // --- Info
+    this.agentsInfo.set(key, {"glob_pos": glob_pos})
+
+    L.circle(glob_pos, 6, { color: '#d32f2f' }
+    ).addTo(this.posOverlays[key]);
+
+  }
+
+  convert2wgs(pos: RelativePos) {
+    let origin = L.latLng([this.origin.latitude, this.origin.longitude]);
+    let point = this.map.latLngToContainerPoint(origin);
+    let newPoint = L.point([point.x + pos.x, point.y + pos.y]);
+    let newLatLng = this.map.containerPointToLatLng(newPoint);
+    return newLatLng
+  }
+
   // @https://asymmetrik.com/ngx-leaflet-tutorial-angular-cli/
   // --- Layers: Define base layers so we can reference them multiple times
   streetMaps = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
     detectRetina: true,
     attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
   });
+
   wMaps = L.tileLayer('http://maps.wikimedia.org/osm-intl/{z}/{x}/{y}.png', {
     detectRetina: true,
     attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
   });
 
   satelliteMaps = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
-    id: 'mapbox.streets',
+    id: 'mapbox.gis',
     attribution: 'Tiles &copy; Esri &mdash; Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community'
   });
-  
+
+  mapBoxMaps = L.tileLayer(
+    'https://api.mapbox.com/styles/v1/mapbox/streets-v11/tiles/{z}/{x}/{y}?access_token=' + environment.mapbox.accessToken2, {
+      id: 'mapbox.streets-v11',
+      attribution: '© <a href="https://apps.mapbox.com/feedback/">Mapbox</a> © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
+    })
+ 
   options = {
-    layers: [this.streetMaps],
-    zoom: 15,
-    center: L.latLng([51.037845, 13.762852])
+    layers: [this.mapBoxMaps],
+    zoom: 19,
+    center: L.latLng([51.02545, 13.72295])
   };
 
   onMapReady(map: L.Map) {
-    this.map = map
+    
+    this.map = map;
 
-    // Layers control object with our two base layers and the three overlay layers
     let baseLayers = {
+      'MapBox': this.mapBoxMaps,
       'Street Maps': this.streetMaps,
       'Wikimedia Maps': this.wMaps,
       'Satellite': this.satelliteMaps
     }
     L.control.layers(baseLayers).addTo(this.map);
+
+    let legend = new L.Control({ position: "bottomleft" });
+    legend.onAdd = function () {
+      var div = L.DomUtil.create("div", "legend");
+      div.innerHTML += '<img style="opacity: .5" src="assets/marker-icon-grey.png"> <span> Agents </span><br>';
+      div.innerHTML += '<i class="est-pos"></i> <span> Estimated position </span><br>';
+
+      return div;
+    };
+
+    legend.addTo(this.map);
+
   }  
-  
-  addNewMarker(obj: any) {
-    let marker = L.marker([obj.lat, obj.lng], {
-      icon: L.icon({
-        iconSize: [25, 41],
-        iconAnchor: [13, 41],
-        iconUrl: 'assets/marker-icon-grey.png',
-        iconRetinaUrl: 'assets/marker-icon-2x-grey.png',
-        shadowUrl: 'assets/marker-shadow.png'
-      })
-    }).bindPopup(obj.id).openPopup();
-    marker.addTo(this.map);
+
+  public ngOnDestroy() {
+    this.subsPosition.unsubscribe();
+    this.subsOrigin.unsubscribe();
   }
+
 }
diff --git a/src/app/model/base-model.ts b/src/app/model/base-model.ts
new file mode 100644
index 0000000000000000000000000000000000000000..009c868db22757ac1fa243dcb1d6480f4305459b
--- /dev/null
+++ b/src/app/model/base-model.ts
@@ -0,0 +1,10 @@
+   
+export interface WGS84 {
+    latitude: number
+    longitude: number
+}
+
+export interface RelativePos {
+    x: number
+    y: number
+}
diff --git a/src/app/model/ceti-model.ts b/src/app/model/ceti-model.ts
new file mode 100644
index 0000000000000000000000000000000000000000..8b0a79b3bfc7b027cb56d9ddc5bd09925c3d2cfe
--- /dev/null
+++ b/src/app/model/ceti-model.ts
@@ -0,0 +1,94 @@
+interface IposConfigWrapper {
+  frames: IposFrameConfig[]
+  objects: IposObject[]
+  objectConfigs: IposObjectConfig[]
+  refSystems: RefSystem[]
+  monitoringRequests: IposMonitoringRequest[]
+}
+
+interface IposObjectConfig {
+  agentId: string
+  sensorId: string
+  agentType: string
+  sensorType: string
+}
+// note: IposObjectConfigs are used to register sensors. Beacon-positions are POIs and should be sent to sensor after registration. Bluetooth/UWB sensor need to know a reference system id. All Beacon-position sent to the Bluetooth/UWB sensor should have the same reference system id
+
+interface IposPositionEvent {
+  object: IposObject[]
+  type: string
+  // repeated IposZoneDescriptor zoneDescriptors = 2; // contains information about all zones that this position belongs to
+}
+
+interface IposZoneDescriptor {
+  zoneId: string
+  type: string
+}
+
+interface IposObject {
+  id: string
+  sensorId: string
+  type: string
+  sensorType: string
+  position: IposPosition
+  orientation: IposSimpleOrientation
+  lastPosUpdate: string
+}
+
+interface IposFrameConfig {
+  id: string
+  space: IposSpace[]
+}
+
+interface RefSystem {
+  id: string
+  position: IposPosition
+  orientation: IposSimpleOrientation
+}
+
+interface IposMonitoringRequest {
+  frameId: string
+  // repeated string frameIds = 1;
+  delta: number
+  updateFrequency: number
+  type: string[]
+  id: string[]
+  fusionStrategy: string
+  exit_notification: boolean
+  properties: string[]
+  monitoringTaskId: string
+  requestorProtocol: string
+}
+
+interface IposMonitoringResponse {
+  monitoringTaskId: string
+  status: string
+}
+
+interface IposPosition {
+  refSystemId: string
+  point: IposPoint3D
+  accuracy: number
+}
+
+interface IposPoint3D {
+  x: number
+  y: number
+  z: number
+}
+
+interface IposSpace {
+  position: IposPosition
+  orientation: IposSimpleOrientation
+  x: number
+  y: number
+  z: number
+}
+
+interface IposSimpleOrientation {
+  x: number
+  y: number
+  z: number
+  w: number
+}
+
diff --git a/src/app/shared/shared.module.ts b/src/app/shared/shared.module.ts
index 57e3890402079692045dcd74b346c0386009c2d8..f0e4e7731db0767106863586118d750ba103a512 100644
--- a/src/app/shared/shared.module.ts
+++ b/src/app/shared/shared.module.ts
@@ -47,7 +47,7 @@ import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
     MatCardModule,
     MatExpansionModule,
     MatSidenavModule,
-    MatTooltipModule
+    MatTooltipModule,
   ],
   exports: [
     FormsModule, 
@@ -67,7 +67,7 @@ import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
     MatCardModule,
     MatExpansionModule,
     MatSidenavModule,
-    MatTooltipModule
+    MatTooltipModule,
   ]
 })
 export class SharedModule { }
diff --git a/src/environments/environment.ts b/src/environments/environment.ts
index 498f7a91e460db8943b393fdcb7e204b4c6bea66..c18a7872e7be2aad6a2922ce6f1c315fcc3d6fe0 100644
--- a/src/environments/environment.ts
+++ b/src/environments/environment.ts
@@ -2,17 +2,27 @@
 // `ng build` replaces `environment.ts` with `environment.prod.ts`.
 // The list of file replacements can be found in `angular.json`.
 
+import { IMqttServiceOptions } from 'ngx-mqtt';
+
 export const environment = {
   production: false,
   APIEndpoint: 'http://localhost:7071',
 
   mapbox: {
-    accessToken: 'pk.eyJ1IjoidmFsYXZhbmNhIiwiYSI6ImNrbGZlNzhpaTJhb3oyeG4weHEyZ2dvaDMifQ.3CSKC5AkzxrAtQ40BD5tsQ'
+    accessToken1: 'pk.eyJ1IjoidmFsYXZhbmNhIiwiYSI6ImNrbGZlNzhpaTJhb3oyeG4weHEyZ2dvaDMifQ.3CSKC5AkzxrAtQ40BD5tsQ',
+    accessToken2: 'pk.eyJ1IjoidmFsYXZhbmNhIiwiYSI6ImNrbGZlYm13ZTJtZ2gyb25wbGhqdGhmZzkifQ.atRzBqwKjY9wEUlue2YLzQ'
   },
 
   indoorequal: {
     APIkey: 'l70N1y3m02lRDrlIqOzYyB'
-  }
+  },
+
+};
+
+export const MQTTconfig: IMqttServiceOptions = {
+  hostname: 'broker.hivemq.com',
+  port: 8000,
+  path: '/mqtt'
 };
 
 
diff --git a/src/index.html b/src/index.html
index 7de67b6cc5d22f2152bd478b93f3fc20bd8d0f0c..90f1747d3ac80ba75f3d0130483b3900d2f64ea5 100644
--- a/src/index.html
+++ b/src/index.html
@@ -11,6 +11,10 @@
   <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
 </head>
 <body>
-  <app-root></app-root>
+  <app-root>
+		<div style="margin:20px; font-size:16px;">
+			Loading...
+		</div>
+  </app-root>
 </body>
 </html>
diff --git a/src/styles.scss b/src/styles.scss
index c1378aee2ad3d3d83377ec5194a1695a857ee0d9..1d42792fc78f166a51b413713a51f9294317ee9c 100644
--- a/src/styles.scss
+++ b/src/styles.scss
@@ -18,3 +18,54 @@ app-root {
 
 html, body { height: 100%; }
 body { margin: 0; font-family: Roboto, "Helvetica Neue", sans-serif; }
+
+
+/*Legend specific*/
+.legend {
+    padding: 6px 8px;
+    font: 14px Arial, Helvetica, sans-serif;
+    background: white;
+    background: rgba(255, 255, 255, 0.8);
+    /*box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);*/
+    /*border-radius: 5px;*/
+    line-height: 24px;
+    color: $primary-text-color;
+  
+    
+      h4 {
+      text-align: center;
+      font-size: 16px;
+      margin: 2px 12px 8px;
+      color: $primary-text-color;
+      }
+  
+      span {
+      position: relative;
+      bottom: 3px;
+      }
+  
+      i {
+          width: 18px;
+          height: 18px;
+          float: left;
+          margin: 0 8px 0 0;
+          opacity: 0.7;
+  
+  
+              .icon {
+                  background-size: 18px;
+                  background-color: rgba(255, 255, 255, 1);
+              }
+      }
+  
+  
+      img {
+      height: 35px;
+      }
+  
+      .est-pos {
+          border: 3px solid #d32f2f;
+          background-color: rgba(211, 47, 47, .4);
+          border-radius: 50%;
+      }
+}
\ No newline at end of file