Leaflet!

angular.json

@@ -34,6 +34,8 @@
             ],
             "scripts": [
               "./node_modules/leaflet/dist/leaflet.js",
+              "./node_modules/leaflet-polylinedecorator/dist/leaflet.polylineDecorator.js",
+              "./node_modules/leaflet-openweathermap/leaflet-openweathermap.js",
               "./node_modules/esri-leaflet/dist/esri-leaflet.js"
             ]
           },

package.json

@@ -32,6 +32,8 @@
     "firebase": "^6.3.0",
     "hammerjs": "^2.0.8",
     "leaflet": "^1.5.1",
+    "leaflet-openweathermap": "^1.0.0",
+    "leaflet-polylinedecorator": "^1.6.0",
     "rxjs": "~6.4.0",
     "tslib": "^1.9.0",
     "zone.js": "~0.9.1"

src/app/services/map.service.ts

@@ -0,0 +1,133 @@
+import {BehaviorSubject} from "rxjs";
+import {distanceInM} from "../utils";
+import {environment} from "../../environments/environment";
+import {LatLng} from "../models/latlng";
+
+declare const L;
+
+export enum MapLayers {
+    ESRI_TOPOGRAPHIC,
+    ESRI_IMAGERY,
+    ESRI_IMAGERY_CLARITY
+}
+
+export enum WeatherLayers {
+    CLOUDS_NEW,
+    PRECIPITATION_NEW,
+    SEA_LEVEL_PRESSURE,
+    WIND_NEW,
+    TEMP_NEW
+}
+
+export class MapService {
+    private drawListener;
+    private markers = [];
+    private measurements = [];
+    private mapLayer;
+    private weatherLayer;
+
+    click = new BehaviorSubject<{lat: number, lng: number}>(null);
+    deleteMode = false;
+    drawingColor = '#d82b00';
+    drawingWeight = 10;
+    map;
+
+    constructor(private elementId: string) {
+        this.map = L.map(elementId, {attributionControl: false, zoomControl: false}).setView({lat: 0, lng: 0}, 10);
+        this.map.on('click', (e) => this.click.next(e.latlng));
+        this.setMapLayer();
+    }
+
+    centerOn(latlng: LatLng, zoom=14) {
+        this.map.setView(latlng, zoom);
+    }
+
+    delete(...symbols) {
+        symbols.forEach(s => {
+            this.map.removeLayer(s);
+            this.markers = this.markers.filter(m => m != s);
+            this.measurements = this.markers.filter(m => m != s);
+        });
+    }
+
+    deleteAll() {
+        this.markers.forEach(m => this.delete(m));
+        this.measurements.forEach(m => this.delete(m.line, m.decoration));
+    }
+
+    setMapLayer(layer?: MapLayers) {
+        if(this.mapLayer) this.map.removeLayer(this.mapLayer);
+        switch(layer) {
+            case MapLayers.ESRI_TOPOGRAPHIC:
+                this.mapLayer = L.esri.basemapLayer('Topographic');
+                break;
+            case MapLayers.ESRI_IMAGERY:
+                this.mapLayer = L.esri.basemapLayer('Imagery');
+                break;
+            default:
+                this.mapLayer = L.esri.basemapLayer('ImageryClarity');
+        }
+        this.mapLayer.addTo(this.map);
+    }
+
+    setWeatherLayer(layer?: WeatherLayers) {
+        if(this.weatherLayer) this.map.removeLayer(this.weatherLayer);
+        switch(layer) {
+            case WeatherLayers.CLOUDS_NEW:
+                this.weatherLayer = L.OWM.clouds({appId: environment.openWeather, opacity: 0.5});
+                break;
+            case WeatherLayers.PRECIPITATION_NEW:
+                this.weatherLayer = L.OWM.precipitation({appId: environment.openWeather, opacity: 0.5});
+                break;
+            case WeatherLayers.SEA_LEVEL_PRESSURE:
+                this.weatherLayer = L.OWM.pressure({appId: environment.openWeather, opacity: 0.5});
+                break;
+            case WeatherLayers.WIND_NEW:
+                this.weatherLayer = L.OWM.wind({appId: environment.openWeather, opacity: 0.5});
+                break;
+            case WeatherLayers.TEMP_NEW:
+                this.weatherLayer = L.OWM.temperature({appId: environment.openWeather, opacity: 0.5});
+                break;
+        }
+        if(this.weatherLayer) this.weatherLayer.addTo(this.map);
+    }
+
+    newMarker(latlng: LatLng) {
+        let marker = L.marker(latlng).addTo(this.map);
+        this.markers.push(marker);
+        marker.on('click', () => { if(this.deleteMode) this.delete(marker); });
+        return marker;
+    }
+
+    newMeasurement(latlng1: LatLng, latlng2: LatLng) {
+        let line = L.polyline([latlng1, latlng2], {weight: 5}).addTo(this.map);
+        let decoration = L.polylineDecorator(line, {patterns: [
+                {offset: '100%', repeat: 0, symbol: L.Symbol.arrowHead({pixelSize: 15, polygon: false, headAngle: 180, pathOptions: {stroke: true}})},
+                {offset: '-100%', repeat: 0, symbol: L.Symbol.arrowHead({pixelSize: 15, polygon: false, headAngle: 180, pathOptions: {stroke: true}})}
+            ]}).addTo(this.map);
+        this.measurements.push({line: line, decoration: decoration});
+        let distance = distanceInM(latlng1.lat, latlng1.lng, latlng2.lat, latlng2.lng);
+        line.bindPopup(`${distance > 1000 ? Math.round(distance / 100) / 10 : Math.round(distance)} ${distance > 1000 ? 'k' : null}m`).openPopup();
+        line.on('click', () => { if(this.deleteMode) this.delete(line, decoration);});
+        return {line: line, decoration: decoration};
+    }
+
+    startDrawing() {
+        this.map.dragging.disable();
+
+        this.drawListener = () => {
+            let poly = L.polyline([], {interactive: true, color: this.drawingColor, weight: this.drawingWeight}).addTo(this.map);
+            poly.on('click', () => { if(this.deleteMode) this.map.removeLayer(poly); });
+            let pushLine = e => poly.addLatLng(e.latlng);
+            this.map.on('mousemove', pushLine);
+            this.map.on('mouseup', () => this.map.off('mousemove', pushLine));
+        };
+
+        this.map.on('mousedown', this.drawListener);
+    }
+
+    stopDrawing() {
+        this.map.dragging.enable();
+        this.map.off('mousedown', this.drawListener);
+    }
+}

src/app/utils.ts

@@ -0,0 +1,16 @@
+export function deg2rad(deg) {
+    return deg * (Math.PI/180);
+}
+
+export function distanceInM(lat1: number, lon1: number, lat2: number, lon2: number) {
+    const R = 6371; // Radius of the earth in km
+    let dLat = deg2rad(lat2-lat1);  // deg2rad below
+    let dLon = deg2rad(lon2-lon1);
+    let a =
+        Math.sin(dLat/2) * Math.sin(dLat/2) +
+        Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) *
+        Math.sin(dLon/2) * Math.sin(dLon/2)
+    ;
+    let c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
+    return R * c * 1000
+}

src/app/views/map/map.component.html

@@ -1,7 +1,7 @@
 <toolbar [(menu)]="menu"></toolbar>
 <div id="map"></div>
 <div *ngIf="showPalette" [@flyInRight] [@flyOutRight] class="palette">
-    <palette [(selected)]="drawColor"></palette>
+    <palette [(selected)]="drawColor" (selectedChange)="map.drawingColor = $event"></palette>
 </div>
 <div class="info p-2">
     <span *ngIf="!position" class="text-danger">No GPS</span>

src/app/views/map/map.component.ts

@@ -4,9 +4,8 @@ import {filter, skip, take} from "rxjs/operators";
 import {MatBottomSheet, MatSnackBar} from "@angular/material";
 import {CalibrateComponent} from "../../components/calibrate/calibrate.component";
 import {ToolbarItem} from "../../components/toolbar/toolbarItem";
-import {BehaviorSubject} from "rxjs";
-import {LatLngLiteral} from "@agm/core";
 import {flyInRight, flyOutRight} from "../../animations";
+import {MapService} from "../../services/map.service";
 
 declare const L;
 
@@ -14,185 +13,100 @@ declare const L;
     selector: 'map',
     templateUrl: 'map.component.html',
     styleUrls: ['map.component.scss'],
+    providers: [MapService],
     animations: [flyInRight, flyOutRight]
 })
 export class MapComponent implements OnInit {
-    map;
+    map: MapService;
+    markers = [];
+    position;
 
 
-
+    drawColor = '#d82b00';
-    drawColor: string;
-    drawListener = [];
-    mapApi: any;
-    mapClick = new BehaviorSubject<LatLngLiteral>(null);
-    mapStyle = [{
-        "featureType": "poi",
-        "elementType": "labels",
-        "stylers": [{
-            "visibility": "off"
-        }]
-    }];
-    position: any;
     showPalette = false;
-    style = 'terrain';
     isNaN = isNaN;
 
     menu: ToolbarItem[][] = [[
         {name: 'compass', icon: 'explore', hidden: true},
     ], [
-        {name: 'marker', icon: 'room', toggle: true, individualToggle: true},
+        {name: 'marker', icon: 'room', toggle: true, individualToggle: true, click: () => this.addMarker()},
-        {name: 'draw', icon: 'create', toggle: true, individualToggle: true},
+        {name: 'draw', icon: 'create', toggle: true, individualToggle: true, onEnabled: () => this.startDrawing(), onDisabled: () => this.endDrawing()},
-        {name: 'measure', icon: 'straighten', toggle: true, individualToggle: true},
+        {name: 'measure', icon: 'straighten', toggle: true, individualToggle: true, click: () => this.measure()},
-        {name: 'delete', icon: 'delete', toggle: true, individualToggle: true},
+        {name: 'delete', icon: 'delete', toggle: true, individualToggle: true, onEnabled: () => this.map.deleteMode = true, onDisabled: () => this.map.deleteMode = false},
         {name: 'style', icon: 'terrain', enabled: true, toggle: true},
-        {name: 'compass', icon: 'explore'}
+        {name: 'weather', icon: 'cloud', toggle: true},
+        {name: 'compass', icon: 'explore', click: () => this.calibrate()}
     ], [
         {name: 'messages', icon: 'chat', hidden: true},
         {name: 'identity', icon: 'perm_identity', hidden: true},
         {name: 'settings', icon: 'settings', hidden: true}
     ]];
 
-    constructor(public physicsService: PhysicsService, private snackBar: MatSnackBar, private bottomSheet: MatBottomSheet) {
+    constructor(public physicsService: PhysicsService, private snackBar: MatSnackBar, private bottomSheet: MatBottomSheet) { }
-        physicsService.info.pipe(filter(coord => !!coord)).subscribe(pos => {
-            if(this.mapApi) {
-                // if(!this.position) this.center(pos);
-                this.position = pos;
 
-                if(this.position.heading != null) {
+    ngOnInit() {
-                    let marker: HTMLElement = document.querySelector('img[src*="arrow.png"]');
+        this.map = new MapService('map');
-                    if(marker) marker.style.transform = `rotate(${this.position.heading}deg)`
+        this.physicsService.info.pipe(filter(coord => !!coord)).subscribe(pos => {
-                }
+            if(!this.position) this.center({lat: pos.latitude, lng: pos.longitude});
+            this.position = pos;
+            if(this.position.heading != null) {
+                let marker: HTMLElement = document.querySelector('img[src*="arrow.png"]');
+                if(marker) marker.style.transform = `rotate(${this.position.heading}deg)`
             }
         });
 
-        physicsService.requireCalibration.subscribe(() => {
+        this.physicsService.requireCalibration.subscribe(() => {
-            snackBar.open('Compass requires calibration', 'calibrate', {
+            this.snackBar.open('Compass requires calibration', 'calibrate', {
                 duration: 5000,
                 panelClass: 'bg-warning,text-white'
-            }).onAction()/*.subscribe(() => this.calibrate());*/
+            }).onAction().subscribe(() => this.calibrate());
         });
     }
 
-    ngOnInit() {
+    center(pos?) {
-        this.map = L.map('map', {attributionControl: false, zoomControl: false}).setView([37.75, -122.23], 10);
+        if(!pos) pos = {lat: this.position.latitude, lng: this.position.longitude};
-        L.esri.basemapLayer('ImageryClarity').addTo(this.map);
+        this.map.centerOn(pos);
     }
 
-    // addMarker() {
+    addMarker() {
-    //     this.mapClick.pipe(skip(1), take(1)).subscribe(coords => {
+        this.map.click.pipe(skip(1), take(1)).subscribe(latlng => {
-    //         this.menu[1][0].enabled = false;
+            this.menu[1][0].enabled = false;
-    //         let marker = new google.maps.Marker({
+            this.markers.push(latlng);
-    //             map: this.mapApi,
+            this.map.newMarker(latlng);
-    //             position: {lat: coords.lat, lng: coords.lng}
+        });
-    //         });
+    }
-    //         google.maps.event.addListener(marker, 'click', () => {
+
-    //             if(this.menu[1][3].enabled) marker.setMap(null)
+    draw() {
-    //         });
+        this.markers.forEach(marker => this.map.newMarker(marker));
-    //     });
+    }
-    // }
+
-    //
+    measure() {
-    // measure() {
+        let firstPoint;
-    //     let deg2rad = (deg) => deg * (Math.PI/180);
+        this.map.click.pipe(skip(1), take(2)).subscribe(latlng => {
-    //
+            if(!firstPoint) {
-    //     let distanceInM = (lat1, lon1, lat2, lon2) => {
+                firstPoint = this.map.newMarker(latlng);
-    //         const R = 6371; // Radius of the earth in km
+            } else {
-    //         let dLat = deg2rad(lat2-lat1);  // deg2rad below
+                this.menu[1][2].enabled = false;
-    //         let dLon = deg2rad(lon2-lon1);
+                this.map.newMeasurement(firstPoint.getLatLng(), latlng);
-    //         let a =
+                this.map.delete(firstPoint);
-    //             Math.sin(dLat/2) * Math.sin(dLat/2) +
+            }
-    //             Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) *
+        })
-    //             Math.sin(dLon/2) * Math.sin(dLon/2)
+    }
-    //         ;
+
-    //         let c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
+    calibrate() {
-    //         return R * c * 1000
+        this.bottomSheet.open(CalibrateComponent, {
-    //     };
+            hasBackdrop: false,
-    //
+            disableClose: true
-    //     let first;
+        });
-    //     this.mapClick.pipe(skip(1), take(2)).subscribe(coords => {
+    }
-    //         if(!first) {
+
-    //             first = coords;
+    startDrawing() {
-    //         } else {
+        this.showPalette = true;
-    //             this.menu[1][2].enabled = false;
+        this.map.startDrawing();
-    //
+    }
-    //             let line = new google.maps.Polyline({
+
-    //                 map: this.mapApi,
+    endDrawing() {
-    //                 path: [first, coords],
+        this.showPalette = false;
-    //                 strokeColor: '#f00',
+        this.map.stopDrawing()
-    //                 icons: [{
+    }
-    //                     icon: {path: google.maps.SymbolPath.BACKWARD_CLOSED_ARROW},
-    //                     offset: '0%'
-    //                 }, {
-    //                     icon: {path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW},
-    //                     offset: '100%'
-    //                 }]
-    //             });
-    //
-    //             let distance = distanceInM(first.lat, first.lng, coords.lat, coords.lng);
-    //
-    //             let info = new google.maps.InfoWindow({
-    //                 content: distance >= 1000 ? `${Math.round(distance / 100) / 10} km` : `${Math.round(distance)} m`,
-    //                 position: {lat: (first.lat + coords.lat) / 2, lng: (first.lng + coords.lng) / 2}
-    //             });
-    //             info.open(this.mapApi);
-    //
-    //             google.maps.event.addListener(line, 'click', () => {
-    //                 if(this.menu[1][3].enabled) {
-    //                     line.setMap(null);
-    //                     info.setMap(null);
-    //                 }
-    //             });
-    //
-    //             google.maps.event.addListener(info, 'click', () => {
-    //                 if(this.menu[1][3].enabled) {
-    //                     line.setMap(null);
-    //                     info.setMap(null);
-    //                 }
-    //             });
-    //         }
-    //     })
-    // }
-    //
-    // calibrate() {
-    //     this.bottomSheet.open(CalibrateComponent, {
-    //         hasBackdrop: false,
-    //         disableClose: true
-    //     });
-    // }
-    //
-    // center(pos?) {
-    //     if(!pos) pos = this.position;
-    //     this.mapApi.setCenter({lat: pos.latitude, lng: pos.longitude});
-    // }
-    //
-    // startDraw() {
-    //     this.showPalette = true;
-    //     this.mapApi.setOptions({draggable: false});
-    //
-    //     let drawHander = () => {
-    //         let poly = new google.maps.Polyline({map: this.mapApi, clickable: true, strokeColor: this.drawColor});
-    //         google.maps.event.addListener(poly, 'click', () => {
-    //             if(this.menu[1][3].enabled) poly.setMap(null);
-    //         });
-    //         let moveListener = [
-    //             google.maps.event.addListener(this.mapApi, 'touchmove', e => poly.getPath().push(e.latLng)),
-    //             google.maps.event.addListener(this.mapApi, 'mousemove', e => poly.getPath().push(e.latLng))
-    //         ];
-    //         google.maps.event.addListener(this.mapApi, 'touchend', () => moveListener.forEach(listener => google.maps.event.removeListener(listener)));
-    //         google.maps.event.addListener(this.mapApi, 'mouseup', () => moveListener.forEach(listener => google.maps.event.removeListener(listener)));
-    //         google.maps.event.addListener(poly, 'touchend', () => moveListener.forEach(listener => google.maps.event.removeListener(listener)));
-    //         google.maps.event.addListener(poly, 'mouseup', () => moveListener.forEach(listener => google.maps.event.removeListener(listener)));
-    //     };
-    //
-    //     this.drawListener = [
-    //         google.maps.event.addDomListener(this.mapApi.getDiv(), 'touchstart', drawHander),
-    //         google.maps.event.addDomListener(this.mapApi.getDiv(), 'mousedown', drawHander)
-    //     ];
-    // }
-    //
-    // endDraw() {
-    //     this.showPalette = false;
-    //     this.mapApi.setOptions({draggable: true});
-    //     this.drawListener.forEach(listener => google.maps.event.removeListener(listener));
-    //     this.drawListener = [];
-    // }
 }

src/environments/environment.prod.ts

@@ -8,5 +8,6 @@ export const environment = {
     messagingSenderId: "443222036375",
     appId: "1:443222036375:web:2e2906e3ca49aa63"
   },
+  openWeather: 'e8391af54b6fc09dc82b019fc68b8409',
   production: true
 };

src/environments/environment.ts

@@ -12,6 +12,7 @@ export const environment = {
     messagingSenderId: "443222036375",
     appId: "1:443222036375:web:2e2906e3ca49aa63"
   },
+  openWeather: 'e8391af54b6fc09dc82b019fc68b8409',
   production: false
 };