adds maplibre print

web/package-lock.json

@@ -12,6 +12,8 @@
         "@sveltejs/adapter-node": "^4.0.1",
         "@threlte/core": "^7.1.0",
         "@threlte/extras": "^8.7.5",
+        "@turf/destination": "^7.1.0",
+        "@turf/distance": "^7.1.0",
         "@types/chart.js": "^2.9.41",
         "@types/leaflet.awesome-markers": "^2.0.28",
         "@types/three": "^0.161.2",
@@ -1159,6 +1161,59 @@
         }
       }
     },
+    "node_modules/@turf/destination": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@turf/destination/-/destination-7.1.0.tgz",
+      "integrity": "sha512-97XuvB0iaAiMg86hrnZ529WwP44TQAA9mmI5PMlchACiA4LFrEtWjjDzvO6234coieoqhrw6dZYcJvd5O2PwrQ==",
+      "dependencies": {
+        "@turf/helpers": "^7.1.0",
+        "@turf/invariant": "^7.1.0",
+        "@types/geojson": "^7946.0.10",
+        "tslib": "^2.6.2"
+      },
+      "funding": {
+        "url": "https://opencollective.com/turf"
+      }
+    },
+    "node_modules/@turf/distance": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@turf/distance/-/distance-7.1.0.tgz",
+      "integrity": "sha512-hhNHhxCHB3ddzAGCNY4BtE29OZh+DAJPvUapQz+wOjISnlwvMcwLKvslgHWSYF536QDVe/93FEU2q67+CsZTPA==",
+      "dependencies": {
+        "@turf/helpers": "^7.1.0",
+        "@turf/invariant": "^7.1.0",
+        "@types/geojson": "^7946.0.10",
+        "tslib": "^2.6.2"
+      },
+      "funding": {
+        "url": "https://opencollective.com/turf"
+      }
+    },
+    "node_modules/@turf/helpers": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@turf/helpers/-/helpers-7.1.0.tgz",
+      "integrity": "sha512-dTeILEUVeNbaEeoZUOhxH5auv7WWlOShbx7QSd4s0T4Z0/iz90z9yaVCtZOLbU89umKotwKaJQltBNO9CzVgaQ==",
+      "dependencies": {
+        "@types/geojson": "^7946.0.10",
+        "tslib": "^2.6.2"
+      },
+      "funding": {
+        "url": "https://opencollective.com/turf"
+      }
+    },
+    "node_modules/@turf/invariant": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@turf/invariant/-/invariant-7.1.0.tgz",
+      "integrity": "sha512-OCLNqkItBYIP1nE9lJGuIUatWGtQ4rhBKAyTfFu0z8npVzGEYzvguEeof8/6LkKmTTEHW53tCjoEhSSzdRh08Q==",
+      "dependencies": {
+        "@turf/helpers": "^7.1.0",
+        "@types/geojson": "^7946.0.10",
+        "tslib": "^2.6.2"
+      },
+      "funding": {
+        "url": "https://opencollective.com/turf"
+      }
+    },
     "node_modules/@types/chart.js": {
       "version": "2.9.41",
       "resolved": "https://registry.npmjs.org/@types/chart.js/-/chart.js-2.9.41.tgz",

web/package.json

@@ -36,6 +36,8 @@
     "@sveltejs/adapter-node": "^4.0.1",
     "@threlte/core": "^7.1.0",
     "@threlte/extras": "^8.7.5",
+    "@turf/destination": "^7.1.0",
+    "@turf/distance": "^7.1.0",
     "@types/chart.js": "^2.9.41",
     "@types/leaflet.awesome-markers": "^2.0.28",
     "@types/three": "^0.161.2",

web/src/lib/components/trail/map_with_elevation_maplibre.svelte

@@ -15,6 +15,7 @@
     import * as M from "maplibre-gl";
     import "maplibre-gl/dist/maplibre-gl.css";
     import { createEventDispatcher, onDestroy, onMount } from "svelte";
+    import MaplibreGraticule from "$lib/vendor/maplibre-graticule/maplibre-graticule";
 
     export let trails: Trail[] = [];
     export let markers: M.Marker[] = [];
@@ -22,11 +23,17 @@
     export let drawing: boolean = false;
     export let showElevation: boolean = true;
     export let showInfoPopup: boolean = false;
+    export let showGrid: boolean = false;
+    export let elevationProfileContainer: string | HTMLDivElement | undefined =
+        undefined;
+    export let mapOptions: Partial<M.MapOptions> | undefined = undefined;
+
     export let activeTrail: number = 0;
     export let minZoom: number = 0;
 
     let mapContainer: HTMLDivElement;
     let epc: ElevationProfileControl | null = null;
+    let graticule: MaplibreGraticule | null = null;
 
     let layers: Record<
         string,
@@ -78,6 +85,30 @@
         );
     }
 
+    $: if (showGrid) {
+        if (!graticule) {
+            graticule = new MaplibreGraticule({
+                minZoom: 0,
+                maxZoom: 20,
+                showLabels: true,
+                labelType: "hdms",
+                labelSize: 10,
+                labelColor: "#858585",
+                longitudePosition: "top",
+                latitudePosition: "right",
+                paint: {
+                    "line-opacity": 0.8,
+                    "line-color": "rgba(0,0,0,0.2)",
+                },
+            });
+        }
+        map?.addControl(graticule);
+    } else {
+        if (graticule) {
+            map?.removeControl(graticule);
+        }
+    }
+
     function getData(trails: Trail[]) {
         if (!trails.length) {
             return [];
@@ -155,7 +186,7 @@
             ? (data[activeTrail].bbox as M.LngLatBoundsLike)
             : getBounds();
         map!.fitBounds(bounds, {
-            animate: true,
+            animate: trails.length > 1,
             padding: {
                 top: 16,
                 left: 16,
@@ -410,16 +441,22 @@
             (s) => s.text === localStorage.getItem("layer"),
         );
 
-        map = new M.Map({
+        const finalMapOptions: M.MapOptions = {
-            container: mapContainer,
+            ...{
-            style:
+                container: mapContainer,
-                mapStyles[preferredMapStyleIndex].value ?? mapStyles[0].value,
+                style:
-            center: [initialState.lng, initialState.lat],
+                    mapStyles[preferredMapStyleIndex].value ??
-            zoom: initialState.zoom,
+                    mapStyles[0].value,
-        });
+                center: [initialState.lng, initialState.lat],
+                zoom: initialState.zoom,
+            },
+            ...mapOptions,
+        };
+        map = new M.Map(finalMapOptions);
 
         const elevationMarker = new FontawesomeMarker(
             {
+                id: "elevation-marker",
                 icon: "fa-regular fa-circle",
                 fontSize: "xs",
                 width: 4,
@@ -449,7 +486,6 @@
             }),
             "top-left",
         );
-        map.addControl(switcherControl);
 
         if (showElevation) {
             epc = new ElevationProfileControl({
@@ -462,6 +498,7 @@
                 displayDistanceGrid: true,
                 tooltipDisplayDPlus: false,
                 zoom: false,
+                container: elevationProfileContainer,
                 onEnter: () => {
                     elevationMarker.setOpacity("1");
                 },
@@ -474,6 +511,7 @@
             });
             map.addControl(epc);
         }
+        map.addControl(switcherControl);
 
         map.on("styledata", () => {
             trails.forEach((t, i) => {

web/src/lib/util/leaflet_util.ts

@@ -1,5 +1,7 @@
+import { haversineDistance } from "$lib/models/gpx/utils";
 import type { Waypoint } from "$lib/models/waypoint";
 import type { LeafletEvent, Map, Marker } from "leaflet";
+import * as M from "maplibre-gl";
 
 export const startIcon = () => L.divIcon({
     html: '<i class="p-2 text-white bg-gray-500 rounded-full fa fa-bullseye -translate-x-1/2 -translate-y-1/3"></i>',
@@ -64,16 +66,16 @@ export function createAnchorMarker(L: any, lat: number, lon: number, index: numb
     return marker
 }
 
-export function calculatePixelPerMeter(map: Map, meters: number) {
+export function calculatePixelPerMeter(map: M.Map, meters: number) {
-    const y = map.getSize().y;
+    const y = map.getCanvas().getBoundingClientRect().y;
-    const x = map.getSize().x;
+    const x = map.getCanvas().getBoundingClientRect().x;
-    const maxMeters = map.containerPointToLatLng([0, y]).distanceTo(map.containerPointToLatLng([x, y]));
+    const maxMeters = map.unproject([0, y]).distanceTo(map.unproject([x, y]));
     const pixelPerMeter = x / maxMeters;
 
     return pixelPerMeter * meters
 }
 
-export function calculateScaleFactor(map: Map) {
+export function calculateScaleFactor(map: M.Map) {
     function _pxTOmm() {
         let heightRef = document.createElement('div');
         heightRef.style.height = '1mm';
@@ -89,16 +91,17 @@ export function calculateScaleFactor(map: Map) {
             return px / pxPermm;
         }
     }
-    var centerOfMap = map.getSize().y / 2;
+    var centerOfMap = map.getCanvas().getBoundingClientRect().y / 2;
 
-    var realWorlMetersPer100Pixels = map.distance(
+    const p1 = map.unproject([0, centerOfMap]);
-        map.containerPointToLatLng([0, centerOfMap]),
+    const p2 = map.unproject([100, centerOfMap]);
-        map.containerPointToLatLng([100, centerOfMap])
+    var realWorldMetersPer100Pixels = haversineDistance(
+        p1.lat, p1.lng, p2.lat, p2.lng
     );
 
     const screenMetersPer100Pixels = _pxTOmm()(100) / 1000;
 
-    const scaleFactor = realWorlMetersPer100Pixels / screenMetersPer100Pixels
+    const scaleFactor = realWorldMetersPer100Pixels / screenMetersPer100Pixels
 
     return scaleFactor
 }

web/src/lib/util/maplibre_util.ts

@@ -7,9 +7,10 @@ import { get } from "svelte/store";
 import { _ } from "svelte-i18n";
 
 export class FontawesomeMarker extends M.Marker {
-    constructor(options: { icon: string, fontSize?: string, width?: number, backgroundColor?: string, fontColor?: string }, markerOptions?: M.MarkerOptions) {
+    constructor(options: { icon: string, fontSize?: string, width?: number, backgroundColor?: string, fontColor?: string, id?: string }, markerOptions?: M.MarkerOptions) {
         const element = document.createElement('div')
         element.className = `cursor-pointer flex items-center justify-center w-${options.width ?? 7} aspect-square bg-${options.backgroundColor ?? "gray-500"} rounded-full text-${options.fontSize ?? "normal"}`
+        element.id = options.id ?? "";
         super({ element: element, ...markerOptions });
 
         const {

web/src/lib/vendor/maplibre-elevation-profile/elevationprofile-control.ts

@@ -144,15 +144,15 @@ export class ElevationProfileControl implements IControl {
                 }
             }
 
-            const waypointContainer = document.createElement("div")
-            waypointContainer.className = "absolute w-full"
-            waypointContainer.id = "waypoint-container"
-
-            this.profileContainer.append(waypointContainer);
-
             mapContainer.appendChild(this.profileContainer);
         }
 
+        const waypointContainer = document.createElement("div")
+        waypointContainer.className = "absolute w-full"
+        waypointContainer.id = "waypoint-container"
+
+        this.profileContainer.append(waypointContainer);
+
         if (this.settings.containerClass) {
             this.profileContainer.classList.add(this.settings.containerClass);
         }

web/src/lib/vendor/maplibre-elevation-profile/elevationprofile.ts

@@ -410,6 +410,7 @@ export class ElevationProfile {
         }
 
         this.canvas = document.createElement("canvas");
+        this.canvas.id = "elevation-profile-chart"
         appContainer.appendChild(this.canvas);
 
         Chart.register(...registerables);
@@ -515,7 +516,7 @@ export class ElevationProfile {
                             tickColor: "#0002"
                         },
                         ticks: {
-                            stepSize: 0.1,
+                            stepSize: 1,
                             align: "inner",
                             display: this.settings.displayDistanceLabels,
                             color: this.settings.labelColor,

web/src/lib/vendor/maplibre-graticule/generator.ts

@@ -0,0 +1,213 @@
+import distance from '@turf/distance';
+import destination from '@turf/destination';
+
+type graticuleJson = {
+  meridians: GeoJSON.Feature<GeoJSON.LineString>[];
+  parallels: GeoJSON.Feature<GeoJSON.LineString>[];
+};
+
+import { type Units } from '@turf/helpers';
+
+/**
+ * 
+ * @param {number} n 
+ * @param {number} decimals 
+ * @returns {number}
+ */
+export function toFixed(n: number, decimals: number): number {
+  const factor = Math.pow(10, decimals);
+  return Math.round(n * factor) / factor;
+}
+
+/**
+ * 
+ * @param {number} a 
+ * @param {number} b 
+ * @returns {number}
+ */
+export function modulo(a: number, b: number): number {
+  const r = a % b;
+  return r * b < 0 ? r + b : r;
+}
+
+/**
+* 
+* @param {number} number 
+* @param {number} width 
+* @param {number | undefined} precision 
+* @returns {string}
+*/
+export function padNumber(number: number, width: number, precision: number | undefined = undefined): string {
+  const numberString =
+    precision !== undefined ? number.toFixed(precision) : '' + number;
+  let decimal = numberString.indexOf('.');
+  decimal = decimal === -1 ? numberString.length : decimal;
+  return decimal > width
+    ? numberString
+    : new Array(1 + width - decimal).join('0') + numberString;
+}
+
+/**
+* 
+* @param {string} hemispheres 
+* @param {number} degrees 
+* @param {number} fractionDigits 
+* @returns {string}
+*/
+export function degreesToStringHDMS(hemispheres: string, degrees: number, fractionDigits: number): string {
+  const normalizedDegrees = modulo(degrees + 180, 360) - 180;
+  const x = Math.abs(3600 * normalizedDegrees);
+  const decimals = fractionDigits || 0;
+
+  let deg = Math.floor(x / 3600);
+  let min = Math.floor((x - deg * 3600) / 60);
+  let sec = toFixed(x - deg * 3600 - min * 60, decimals);
+
+  if (sec >= 60) {
+    sec = 0;
+    min += 1;
+  }
+
+  if (min >= 60) {
+    min = 0;
+    deg += 1;
+  }
+
+  let hdms = deg + '\u00b0';
+  if (min !== 0 || sec !== 0) {
+    hdms += ' ' + padNumber(min, 2) + '\u2032';
+  }
+  if (sec !== 0) {
+    hdms += ' ' + padNumber(sec, 2, decimals) + '\u2033';
+  }
+  if (normalizedDegrees !== 0) {
+    hdms += ' ' + hemispheres;
+  }
+
+  return hdms;
+}
+
+/**
+ * @param {GeoJSON.BBox} bbox
+ * @param {number} graticuleWidth
+ * @param {number} graticuleHeight
+ * @param {Units} units
+ * @param {string} labelType
+ * @param {string} longitudePosition
+ * @param {string} latitudePosition
+ * @returns {graticuleJson}
+ */
+export function getGraticule(bbox: GeoJSON.BBox, graticuleWidth: number, graticuleHeight: number, units: Units, labelType: string, longitudePosition: string, latitudePosition: string): graticuleJson {
+
+  const earthCircumference = Math.ceil(distance([0, 0], [180, 0], { units }) * 2);
+  const maxColumns = Math.floor(earthCircumference / graticuleWidth);
+  const fullDistance: (from: GeoJSON.Position, to: GeoJSON.Position, options: { units: Units; }) => number = (from, to, options): number => {
+    const dist = distance(from, to, options);
+    if (Math.abs(to[0] - from[0]) >= 180) {
+      return earthCircumference - dist;
+    }
+    return dist;
+  };
+
+  const meridians: GeoJSON.Feature<GeoJSON.LineString>[] = [];
+  const parallels = [];
+  const west = bbox[0];
+  const south = bbox[1];
+  const east = bbox[2];
+  const north = bbox[3];
+
+  // calculate graticule start point
+  const deltaX = (west < 0 ? -1 : 1) * fullDistance([0, 0], [west, 0], { units });
+  const deltaY = (south < 0 ? -1 : 1) * fullDistance([0, 0], [0, south], { units });
+  const startDeltaX = Math.ceil(deltaX / graticuleWidth) * graticuleWidth;
+  const startDeltaY = Math.ceil(deltaY / graticuleHeight) * graticuleHeight;
+  const startPoint: GeoJSON.Position = [
+    destination([0, 0], startDeltaX, 90, { units }).geometry.coordinates[0],
+    destination([0, 0], startDeltaY, 0, { units }).geometry.coordinates[1]
+  ];
+
+  // calculate graticule columns and rows count
+  const width = fullDistance([west, 0], [east, 0], { units });
+  const height = fullDistance([0, south], [0, north], { units });
+  const columns = Math.min(Math.ceil(width / graticuleWidth), maxColumns);
+  const rows = Math.ceil(height / graticuleHeight);
+
+  let currentPoint: GeoJSON.Position;
+
+  // meridians
+  currentPoint = startPoint;
+  for (let i = 0; i < columns; i++) {
+    let coordinates: GeoJSON.Position[];
+    if (longitudePosition === 'bottom') {
+      coordinates = [
+        [currentPoint[0], south],
+        [currentPoint[0], north],
+      ];
+    } else {
+      coordinates = [
+        [currentPoint[0], north],
+        [currentPoint[0], south],
+      ];
+    }
+    let hemisphere;
+    if (currentPoint[0] > 0) {
+      hemisphere = 'E'
+    } else {
+      hemisphere = 'W'
+    }
+    const hdms = degreesToStringHDMS(hemisphere, currentPoint[0], 2)
+    let feature: GeoJSON.Feature<GeoJSON.LineString>;
+    if (labelType === 'hdms') {
+      feature = { type: 'Feature', geometry: { type: 'LineString', coordinates }, properties: { "coord": hdms } };
+    } else {
+      feature = { type: 'Feature', geometry: { type: 'LineString', coordinates }, properties: { "coord": currentPoint[0].toFixed(3) + "°" } };
+    }
+    meridians.push(feature);
+
+    currentPoint = [
+      destination([currentPoint[0], 0], graticuleWidth, 90, { units }).geometry.coordinates[0],
+      currentPoint[1]
+    ];
+  }
+
+  // parallels
+  currentPoint = startPoint;
+  for (let i = 0; i < rows; i++) {
+    let coordinates: GeoJSON.Position[];
+    if (latitudePosition === 'right') {
+      coordinates = [
+        [east, currentPoint[1]],
+        [west, currentPoint[1]],
+      ];
+    } else {
+      coordinates = [
+        [west, currentPoint[1]],
+        [east, currentPoint[1]],
+      ];
+    }
+    let hemisphere = 'S';
+    if (currentPoint[1] > 0) {
+      hemisphere = 'N'
+    } else {
+      hemisphere = 'S'
+    }
+    const hdms = degreesToStringHDMS(hemisphere, currentPoint[1], 2)
+    let feature: GeoJSON.Feature<GeoJSON.LineString>;
+    if (labelType === 'hdms') {
+      feature = { type: 'Feature', geometry: { type: 'LineString', coordinates }, properties: { "coord": hdms } };
+    } else {
+      feature = { type: 'Feature', geometry: { type: 'LineString', coordinates }, properties: { "coord": currentPoint[1].toFixed(3) + "°" } };
+    }
+    parallels.push(feature);
+
+    currentPoint = [
+      currentPoint[0],
+      destination([0, currentPoint[1]], graticuleHeight, 0, { units }).geometry.coordinates[1]
+    ];
+  }
+
+  return {
+    "meridians": meridians,
+    "parallels": parallels
+  };
+}

web/src/lib/vendor/maplibre-graticule/maplibre-graticule.ts

@@ -0,0 +1,266 @@
+import { getGraticule } from "./generator";
+import * as M from "maplibre-gl";
+
+export interface GraticuleConfig {
+  minZoom?: number;
+  maxZoom?: number;
+  showLabels?: boolean;
+  labelType?: "hdms" | "decimal";
+  labelSize?: number;
+  labelColor?: string;
+  longitudePosition?: "top" | "bottom";
+  latitudePosition?: "left" | "right";
+  longitudeOffset?: number[];
+  latitudeOffset?: number[];
+  paint?: any;
+}
+
+type graticuleJson = {
+  meridians: GeoJSON.Feature<GeoJSON.LineString>[];
+  parallels: GeoJSON.Feature<GeoJSON.LineString>[];
+};
+
+export function randomString() {
+  return Math.floor(Math.random() * 10e12).toString(36);
+}
+
+/**
+ *
+ * @param {Map} map
+ * @returns
+ */
+function calculateResolution(map: M.Map) {
+  const zoom = map.getZoom();
+  const container = map.getContainer();
+  const containerWidth = container.offsetWidth;
+  const containerHeight = container.offsetHeight;
+
+  const tileSize = 256;
+  const metersPerPixel = (Math.PI * 2 * 6378137) / (tileSize * 2 ** zoom);
+
+  const resolutionX = metersPerPixel * (containerWidth / tileSize);
+  const resolutionY = metersPerPixel * (containerHeight / tileSize);
+
+  return {
+    x: resolutionX,
+    y: resolutionY,
+  };
+}
+
+export default class MaplibreGraticule {
+  xid: string;
+  yid: string;
+  config: GraticuleConfig;
+  updateBound: () => void;
+  labelSize: any;
+  map: any;
+  constructor(config: GraticuleConfig) {
+    this.xid = `graticule-meridains-${randomString()}`;
+    this.yid = `graticule-parallels-${randomString()}`;
+    this.config = config;
+
+    this.updateBound = this.update.bind(this);
+    this.labelSize = this.config.labelSize;
+  }
+
+  /**
+   * @param {Map} map
+   * @returns {HTMLElement}
+   */
+  onAdd(map: M.Map): HTMLElement {
+    this.map = map;
+
+    this.map.on("load", this.updateBound);
+    this.map.on("move", this.updateBound);
+
+    if (this.map.loaded()) {
+      this.update();
+    }
+
+    return document.createElement("div");
+  }
+
+  /**
+   * @returns {void}
+   */
+  onRemove(): void {
+    if (!this.map) {
+      return;
+    }
+
+    // Remove symbol layers
+    const xSymbolLayer = this.map.getLayer(`symbols${this.xid}`);
+    if (xSymbolLayer) {
+      this.map.removeLayer(`symbols${this.xid}`);
+    }
+    const ySymbolLayer = this.map.getLayer(`symbols${this.yid}`);
+    if (ySymbolLayer) {
+      this.map.removeLayer(`symbols${this.yid}`);
+    }
+
+    const xsource = this.map.getSource(this.xid);
+    if (xsource) {
+      this.map.removeLayer(this.xid);
+      this.map.removeSource(this.xid);
+    }
+
+    const ysource = this.map.getSource(this.yid);
+    if (ysource) {
+      this.map.removeLayer(this.yid);
+      this.map.removeSource(this.yid);
+    }
+
+    this.map.off("load", this.updateBound);
+    this.map.off("move", this.updateBound);
+
+    this.map = undefined;
+  }
+
+  /**
+   * @returns {void}
+   */
+  update(): void {
+    if (!this.map) {
+      return;
+    }
+
+    const longitudePosition = this.config.longitudePosition ?? "bottom";
+    const latitudePosition = this.config.latitudePosition ?? "right";
+    const labelType = this.config.labelType ?? "hdms";
+
+    const resolution = calculateResolution(this.map);
+    const xWidth = (resolution.x / 100) * 2;
+    const yWidth = (resolution.y / 100) * 2;
+
+    /** @type {graticuleJson} */
+    let graticule: graticuleJson = {
+      meridians: [],
+      parallels: [],
+    };
+    if (this.active) {
+      graticule = getGraticule(
+        this.bbox,
+        xWidth,
+        yWidth,
+        "kilometers",
+        labelType,
+        longitudePosition,
+        latitudePosition
+      );
+    }
+
+    const xsource: M.GeoJSONSource = this.map.getSource(this.xid);
+    if (!xsource) {
+      this.map.addSource(this.xid, {
+        type: "geojson",
+        data: { type: "FeatureCollection", features: graticule.meridians },
+      });
+
+      this.map.addLayer({
+        id: this.xid,
+        source: this.xid,
+        type: "line",
+        paint: this.config.paint ?? {},
+      });
+
+      if (this.config.showLabels) {
+        this.map.addLayer({
+          id: `symbols${this.xid}`,
+          type: "symbol",
+          source: this.xid,
+          layout: {
+            "symbol-placement": "point",
+            "text-field": "{coord}",
+            "text-size": this.config.labelSize ?? 12,
+            "text-anchor": longitudePosition === "top" ? "top" : "bottom",
+            "text-offset": this.config.longitudeOffset ?? [0, 0],
+          },
+          paint: {
+            "text-color": this.config.labelColor ?? "#000000",
+            "text-halo-blur": 1,
+            "text-halo-color": "rgba(255,255,255,1)",
+            "text-halo-width": 3,
+          },
+        });
+      }
+    } else {
+      xsource.setData({
+        type: "FeatureCollection",
+        features: graticule.meridians,
+      });
+    }
+
+    const ysource: M.GeoJSONSource = this.map.getSource(this.yid);
+    if (!ysource) {
+      this.map.addSource(this.yid, {
+        type: "geojson",
+        data: { type: "FeatureCollection", features: graticule.parallels },
+      });
+
+      this.map.addLayer({
+        id: this.yid,
+        source: this.yid,
+        type: "line",
+        paint: this.config.paint ?? {},
+      });
+
+      if (this.config.showLabels) {
+        this.map.addLayer({
+          id: `symbols${this.yid}`,
+          type: "symbol",
+          source: this.yid,
+          layout: {
+            "symbol-placement": "point",
+            "text-field": "{coord}",
+            "text-size": this.config.labelSize ?? 12,
+            "text-anchor": latitudePosition === "left" ? "left" : "right",
+            "text-offset": this.config.latitudeOffset ?? [0, 0],
+          },
+          paint: {
+            "text-color": this.config.labelColor ?? "#000000",
+            "text-halo-blur": 1,
+            "text-halo-color": "rgba(255,255,255,1)",
+            "text-halo-width": 3,
+          },
+        });
+      }
+    } else {
+      ysource.setData({
+        type: "FeatureCollection",
+        features: graticule.parallels,
+      });
+    }
+  }
+
+  /**
+   * @returns {boolean}
+   */
+  get active(): boolean {
+    if (!this.map) {
+      return false;
+    }
+
+    const minZoom = this.config.minZoom ?? 0;
+    const maxZoom = this.config.maxZoom ?? 22;
+    const zoom = this.map.getZoom();
+
+    return minZoom <= zoom && zoom < maxZoom;
+  }
+
+  /**
+   * @returns {GeoJSON.BBox}
+   */
+  get bbox(): GeoJSON.BBox {
+    if (!this.map) {
+      throw new Error("Invalid state");
+    }
+
+    const bounds = this.map.getBounds();
+    if (bounds.getEast() - bounds.getWest() >= 360) {
+      bounds.setNorthEast([bounds.getWest() + 360, bounds.getNorth()]);
+    }
+
+    const bbox = /** @type {GeoJSON.BBox} */ bounds.toArray().flat();
+    return bbox;
+  }
+}

web/src/routes/map/trail/[id]/print/+page.svelte

@@ -6,7 +6,7 @@
     import Button from "$lib/components/base/button.svelte";
     import Select from "$lib/components/base/select.svelte";
     import LogoText from "$lib/components/logo/logo_text.svelte";
-    import MapWithElevation from "$lib/components/trail/map_with_elevation.svelte";
+    import MapWithElevationMaplibre from "$lib/components/trail/map_with_elevation_maplibre.svelte";
     import type { Settings } from "$lib/models/settings";
     import { show_toast } from "$lib/stores/toast_store";
     import { trail } from "$lib/stores/trail_store";
@@ -21,19 +21,16 @@
     } from "$lib/util/leaflet_util";
     import { createRect, createText } from "$lib/util/svg_util";
     import "$lib/vendor/leaflet-elevation/src/index.css";
-    import type AutoGraticule from "$lib/vendor/leaflet-graticule/leaflet-auto-graticule";
+    import QrCodeWithLogo from "$lib/vendor/qr-code-with-logos/index";
-    import leafletImage from "$lib/vendor/leaflet-image/leaflet-image.js";
-    import { Canvg } from "canvg";
     import { jsPDF } from "jspdf";
-    import type { Map } from "leaflet";
     import "leaflet.awesome-markers/dist/leaflet.awesome-markers.css";
     import "leaflet/dist/leaflet.css";
-    import QrCodeWithLogo from "$lib/vendor/qr-code-with-logos/index";
+    import * as M from "maplibre-gl";
     import { onMount, tick } from "svelte";
     import { _ } from "svelte-i18n";
 
-    let map: Map;
+    let map: M.Map;
-    let graticule: AutoGraticule;
+    let showGrid: boolean = true;
 
     const settings: Settings = $page.data.settings;
 
@@ -94,7 +91,7 @@
         });
     });
 
-    function print() {
+    async function print() {
         printLoading = true;
         const doc = new jsPDF(selectedOrientation, "mm", [
             paperDimensions[selectedPaperSize].pdf[
@@ -117,246 +114,220 @@
             ?.getBoundingClientRect().width;
 
         try {
-            leafletImage(
+            var img = document.createElement("img");
-                map,
+            var dimensions = map.getCanvas().getBoundingClientRect();
-                async function (err: string, canvas: HTMLCanvasElement) {
+            img.width = dimensions.width;
-                    // Map
+            img.height = dimensions.height;
-                    var img = document.createElement("img");
+            let ratio = img.height / img.width;
-                    var dimensions = map.getSize();
+            img.src = map.getCanvas().toDataURL();
-                    img.width = dimensions.x;
-                    img.height = dimensions.y;
-                    const ratio = img.height / img.width;
-                    img.src = canvas.toDataURL();
-                    doc.addImage(img.src, "png", 8, 8, 0, (width - 16) * ratio);
-                    currentHeight += (width - 16) * ratio + 11;
-                    const elevationProfileHeight = currentHeight - 4;
 
-                    // QR Code
+            doc.addImage(img.src, "png", 8, 8, 0, (width - 16) * ratio);
-                    doc.addImage(
+            currentHeight += (width - 16) * ratio + 11;
-                        document.getElementById("qrcode") as HTMLImageElement,
+            const elevationProfileHeight = currentHeight - 11;
-                        "png",
-                        8,
-                        currentHeight,
-                        24,
-                        24,
-                    );
 
-                    // Distance
+            // Waypoints
-                    currentHeight += 5;
+            const canvasContainer = map.getCanvasContainer();
-                    let currentWidth = 8 + 24 + 4;
+            const marker =
-                    doc.setFontSize(9);
+                canvasContainer.getElementsByClassName("maplibregl-marker");
-                    doc.setTextColor(107, 114, 128);
+            for (const m of marker) {
-                    doc.setFont("fa-solid-900", "normal");
+                if (m.id === "elevation-marker") {
-                    doc.text("\uf337", currentWidth, currentHeight);
+                    continue;
-                    currentWidth += doc.getTextWidth("\uf337") + 2;
+                }
-                    doc.setFont("IBMPlexSans-Regular", "normal");
+                const markerStyle = window.getComputedStyle(m);
-                    doc.text(
+                const matrix = new DOMMatrixReadOnly(markerStyle.transform);
-                        formatDistance($trail.distance),
+                const percentX = matrix.m41 / dimensions.width;
-                        currentWidth,
+                const percentY = matrix.m42 / dimensions.height;
-                        currentHeight,
-                    );
-                    currentWidth +=
-                        doc.getTextWidth(formatDistance($trail.distance)) + 4;
 
-                    // Duration
+                const markerIcon = m.querySelector("i") as HTMLElement;
-                    doc.setFont("fa-solid-900", "normal");
+                const iconContent = window
-                    doc.text("\uf017", currentWidth, currentHeight);
+                    .getComputedStyle(markerIcon, ":before")
-                    currentWidth += doc.getTextWidth("\uf337") + 2;
+                    .getPropertyValue("content");
-                    doc.setFont("IBMPlexSans-Regular", "normal");
+                const iconText = String.fromCharCode(parseInt(iconContent.replace(/['"\\]/g, "").trim(), 16)); 
-                    doc.text(
-                        formatTimeHHMM($trail.duration),
-                        currentWidth,
-                        currentHeight,
-                    );
-                    currentWidth +=
-                        doc.getTextWidth(formatTimeHHMM($trail.duration)) + 4;
 
-                    // Elevation gain
+                doc.setFont("fa-solid-900", "normal");
-                    doc.setFont("fa-solid-900", "normal");
+                doc.text(iconText, width * percentX, height * percentY);
-                    doc.text("\ue098", currentWidth, currentHeight);
+            }
-                    currentWidth += doc.getTextWidth("\ue098") + 2;
-                    doc.setFont("IBMPlexSans-Regular", "normal");
-                    doc.text(
-                        formatElevation($trail.elevation_gain),
-                        currentWidth,
-                        currentHeight,
-                    );
-                    currentWidth +=
-                        doc.getTextWidth(
-                            formatDistance($trail.elevation_gain),
-                        ) + 4;
 
-                    // Elevation loss
-                    doc.setFont("fa-solid-900", "normal");
-                    doc.text("\ue097", currentWidth, currentHeight);
-                    currentWidth += doc.getTextWidth("\ue098") + 2;
-                    doc.setFont("IBMPlexSans-Regular", "normal");
-                    doc.text(
-                        formatElevation($trail.elevation_loss),
-                        currentWidth,
-                        currentHeight,
-                    );
-                 
-                    // Ruler
-                    currentHeight += 6;
-                    currentWidth = 8 + 24 + 4;
-                    doc.setTextColor(0, 0, 0);
-                    for (let i = 0; i < rulerSegments.length; i++) {
-                        const segment = rulerSegments[i];
-                        const label = rulerLabels[i].textContent ?? "";
-                        const segmentWidth =
-                            segment.getBoundingClientRect().width;
-                        const segmentWidthPercent =
-                            segmentWidth / (pageWidth ?? 0);
-                        const segmentPDFWidth = width * segmentWidthPercent;
-                        let textWidth = doc.getTextWidth(label);
 
-                        if (i % 2 == 0) {
+            // printLoading = false;
-                            doc.setFillColor(255, 255, 255);
+            // return;
-                        } else {
+            // QR Code
-                            doc.setFillColor(93, 93, 93);
+            doc.addImage(
-                        }
+                document.getElementById("qrcode") as HTMLImageElement,
-
+                "png",
-                        doc.rect(
+                8,
-                            currentWidth,
+                currentHeight,
-                            currentHeight,
+                24,
-                            segmentPDFWidth,
+                24,
-                            2,
-                            "FD",
-                        );
-                        doc.text(
-                            label,
-                            currentWidth - textWidth / 2,
-                            currentHeight + 6,
-                        );
-                        currentWidth += segmentPDFWidth;
-                        if (i == rulerSegments.length - 1) {
-                            const endLabel =
-                                rulerLabels[i + 1].textContent ?? "";
-                            textWidth = doc.getTextWidth(endLabel);
-                            doc.text(
-                                endLabel,
-                                currentWidth - textWidth / 2,
-                                currentHeight + 6,
-                            );
-                            textWidth = doc.getTextWidth("KM");
-                            doc.text(
-                                "KM",
-                                currentWidth - textWidth,
-                                currentHeight - 2,
-                            );
-                        }
-                    }
-
-                    // Scale
-                    currentHeight += 12;
-                    doc.setFillColor(255, 255, 255);
-                    doc.text(
-                        `Scale:  1 : ${Math.round(scale)}`,
-                        8 + 24 + 4,
-                        currentHeight,
-                    );
-
-                    // Elevation profile
-                    const gridLines = document.querySelectorAll(
-                        "#elevation .grid line",
-                    );
-                    gridLines.forEach((l) =>
-                        l.setAttribute("stroke", "#d1d5db"),
-                    );
-                    const gridBorders = document.querySelectorAll(
-                        "#elevation .grid path",
-                    );
-                    gridBorders.forEach((l) =>
-                        l.setAttribute("stroke", "#fff"),
-                    );
-                    const tooltip = document.querySelector(
-                        "#elevation .tooltip",
-                    ) as HTMLElement;
-                    tooltip.style.display = "none";
-                    const units = document.querySelectorAll(
-                        "#elevation .axis text",
-                    );
-                    units.forEach((l) => l.setAttribute("fill", "#000"));
-                    const elevationCanvas = document.createElement("canvas");
-                    const ctx = elevationCanvas.getContext("2d")!;
-                    const v = await Canvg.from(
-                        ctx,
-                        document.querySelector("#elevation svg")!.outerHTML,
-                    );
-                    v.start();
-                    const profileRatio =
-                        elevationCanvas.height / elevationCanvas.width;
-                    doc.addImage(
-                        elevationCanvas.toDataURL("image/png"),
-                        width - 79.3 - 8,
-                        elevationProfileHeight,
-                        79.3,
-                        79.3 * profileRatio,
-                    );
-                    const elevationPlot = (
-                        document.querySelector(
-                            ".canvas-plot",
-                        ) as HTMLCanvasElement
-                    ).toDataURL("image/png");
-                    doc.addImage(
-                        elevationPlot,
-                        width - 77.3,
-                        elevationProfileHeight + 8,
-                        0,
-                        0,
-                    );
-                    tooltip.style.display = "block";
-
-                    // Separator
-                    currentHeight += 5;
-                    doc.setDrawColor(232, 234, 237);
-                    doc.line(8, currentHeight, width - 8, currentHeight);
-                    currentHeight += 6;
-
-                    // Trail name & location
-                    doc.setTextColor(0, 0, 0);
-                    doc.setFont("IBMPlexSans-SemiBold", "bold");
-                    doc.text($trail.name, 8, currentHeight);
-                    doc.setFont("fa-solid-900", "normal");
-                    currentHeight += 5;
-                    doc.text("\uf3c5", 8, currentHeight);
-                    doc.setFont("IBMPlexSans-Regular", "normal");
-                    doc.text($trail.location || "-", 12, currentHeight);
-
-                    // Logo
-                    const logo = new Image();
-                    logo.src = "/imgs/logo_text_dark.png";
-                    const logoRatio = 64 / 212;
-                    const logoWidth = 32;
-                    const logoHeight = logoWidth * logoRatio;
-                    doc.addImage(
-                        logo,
-                        width - 8 - logoWidth,
-                        height - 4 - logoHeight,
-                        logoWidth,
-                        logoHeight,
-                    );
-
-                    if (includeDescription && $trail.description) {
-                        doc.addPage();
-                        doc.text($trail.description, 16, 16, {
-                            maxWidth: width - 32,
-                        });
-                        doc.addImage(
-                            logo,
-                            width - 8 - logoWidth,
-                            height - 4 - logoHeight,
-                            logoWidth,
-                            logoHeight,
-                        );
-                    }
-
-                    doc.save($trail.name + ".pdf");
-                    printLoading = false;
-                },
             );
+
+            // Distance
+            currentHeight += 5;
+            let currentWidth = 8 + 24 + 4;
+            doc.setFontSize(9);
+            doc.setTextColor(107, 114, 128);
+            doc.setFont("fa-solid-900", "normal");
+            doc.text("\uf337", currentWidth, currentHeight);
+            currentWidth += doc.getTextWidth("\uf337") + 2;
+            doc.setFont("IBMPlexSans-Regular", "normal");
+            doc.text(
+                formatDistance($trail.distance),
+                currentWidth,
+                currentHeight,
+            );
+            currentWidth +=
+                doc.getTextWidth(formatDistance($trail.distance)) + 4;
+
+            // Duration
+            doc.setFont("fa-solid-900", "normal");
+            doc.text("\uf017", currentWidth, currentHeight);
+            currentWidth += doc.getTextWidth("\uf337") + 2;
+            doc.setFont("IBMPlexSans-Regular", "normal");
+            doc.text(
+                formatTimeHHMM($trail.duration),
+                currentWidth,
+                currentHeight,
+            );
+            currentWidth +=
+                doc.getTextWidth(formatTimeHHMM($trail.duration)) + 4;
+
+            // Elevation gain
+            doc.setFont("fa-solid-900", "normal");
+            doc.text("\ue098", currentWidth, currentHeight);
+            currentWidth += doc.getTextWidth("\ue098") + 2;
+            doc.setFont("IBMPlexSans-Regular", "normal");
+            doc.text(
+                formatElevation($trail.elevation_gain),
+                currentWidth,
+                currentHeight,
+            );
+            currentWidth +=
+                doc.getTextWidth(formatDistance($trail.elevation_gain)) + 4;
+
+            // Elevation loss
+            doc.setFont("fa-solid-900", "normal");
+            doc.text("\ue097", currentWidth, currentHeight);
+            currentWidth += doc.getTextWidth("\ue098") + 2;
+            doc.setFont("IBMPlexSans-Regular", "normal");
+            doc.text(
+                formatElevation($trail.elevation_loss),
+                currentWidth,
+                currentHeight,
+            );
+
+            // Ruler
+            currentHeight += 6;
+            currentWidth = 8 + 24 + 4;
+            doc.setTextColor(0, 0, 0);
+            for (let i = 0; i < rulerSegments.length; i++) {
+                const segment = rulerSegments[i];
+                const label = rulerLabels[i].textContent ?? "";
+                const segmentWidth = segment.getBoundingClientRect().width;
+                const segmentWidthPercent = segmentWidth / (pageWidth ?? 0);
+                const segmentPDFWidth = width * segmentWidthPercent;
+                let textWidth = doc.getTextWidth(label);
+
+                if (i % 2 == 0) {
+                    doc.setFillColor(255, 255, 255);
+                } else {
+                    doc.setFillColor(93, 93, 93);
+                }
+
+                doc.rect(currentWidth, currentHeight, segmentPDFWidth, 2, "FD");
+                doc.text(
+                    label,
+                    currentWidth - textWidth / 2,
+                    currentHeight + 6,
+                );
+                currentWidth += segmentPDFWidth;
+                if (i == rulerSegments.length - 1) {
+                    const endLabel = rulerLabels[i + 1].textContent ?? "";
+                    textWidth = doc.getTextWidth(endLabel);
+                    doc.text(
+                        endLabel,
+                        currentWidth - textWidth / 2,
+                        currentHeight + 6,
+                    );
+                    textWidth = doc.getTextWidth("KM");
+                    doc.text("KM", currentWidth - textWidth, currentHeight - 2);
+                }
+            }
+
+            // Scale
+            currentHeight += 12;
+            doc.setFillColor(255, 255, 255);
+            doc.text(
+                `Scale:  1 : ${Math.round(scale)}`,
+                8 + 24 + 4,
+                currentHeight,
+            );
+
+            // Elevation profile
+            const elevationChartCanvas = document.getElementById(
+                "elevation-profile-chart",
+            ) as HTMLCanvasElement;
+            var dimensions = elevationChartCanvas.getBoundingClientRect();
+            img.width = dimensions.width;
+            img.height = dimensions.height;
+            ratio = img.height / img.width;
+            img.src = elevationChartCanvas.toDataURL();
+
+            doc.addImage(
+                elevationChartCanvas.toDataURL("image/png"),
+                width - 79.3 - 8,
+                elevationProfileHeight,
+                79.3,
+                79.3 * ratio,
+            );
+
+            // Separator
+            currentHeight += 5;
+            doc.setDrawColor(232, 234, 237);
+            doc.line(8, currentHeight, width - 8, currentHeight);
+            currentHeight += 6;
+
+            // Trail name & location
+            doc.setTextColor(0, 0, 0);
+            doc.setFont("IBMPlexSans-SemiBold", "bold");
+            doc.text($trail.name, 8, currentHeight);
+            doc.setFont("fa-solid-900", "normal");
+            currentHeight += 5;
+            doc.text("\uf3c5", 8, currentHeight);
+            doc.setFont("IBMPlexSans-Regular", "normal");
+            doc.text($trail.location || "-", 12, currentHeight);
+
+            // Logo
+            const logo = new Image();
+            logo.src = "/imgs/logo_text_dark.png";
+            const logoRatio = 64 / 212;
+            const logoWidth = 32;
+            const logoHeight = logoWidth * logoRatio;
+            doc.addImage(
+                logo,
+                width - 8 - logoWidth,
+                height - 4 - logoHeight,
+                logoWidth,
+                logoHeight,
+            );
+
+            if (includeDescription && $trail.description) {
+                doc.addPage();
+                doc.text($trail.description, 16, 16, {
+                    maxWidth: width - 32,
+                });
+                doc.addImage(
+                    logo,
+                    width - 8 - logoWidth,
+                    height - 4 - logoHeight,
+                    logoWidth,
+                    logoHeight,
+                );
+            }
+
+            doc.save($trail.name + ".pdf");
+            printLoading = false;
         } catch (e) {
+            console.error(e);
             show_toast({
                 icon: "close",
                 type: "error",
@@ -371,11 +342,10 @@
             return;
         }
         await tick();
-        map.invalidateSize();
         updateScale(map);
     }
 
-    async function updateScale(map: Map) {
+    async function updateScale(map: M.Map) {
         const svg = document.getElementById("ruler") as HTMLElement;
         if (!svg) {
             return;
@@ -454,9 +424,9 @@
 
     function toggleGrid() {
         if (selectedGrid == "off") {
-            graticule?.remove();
+            showGrid = false;
         } else {
-            graticule.addTo(map);
+            showGrid = true;
         }
     }
 </script>
@@ -521,65 +491,52 @@
             ]}"
         >
             <div class="basis-full">
-                <MapWithElevation
+                <MapWithElevationMaplibre
-                    trail={$trail}
+                    trails={[$trail]}
-                    options={{
+                    on:zoom={(e) => updateScale(e.detail)}
-                        theme: "gray-theme",
-                        slope: false,
-                        speed: false,
-                        legend: false,
-                        time: false,
-                        hotline: false,
-                        graticule: true,
-                        height: 150,
-                    }}
-                    on:zoomend={(e) => updateScale(e.detail)}
                     bind:map
-                    bind:graticule
+                    {showGrid}
-                >
+                    elevationProfileContainer="elevation-profile"
-                    <img
+                    mapOptions={{ preserveDrawingBuffer: true }}
-                        class="w-[100px] h-[100px]"
+                ></MapWithElevationMaplibre>
-                        id="qrcode"
+            </div>
-                        alt="QR Code"
+            <div class="flex items-center min-w-0">
-                    />
+                <img class="w-[100px] h-[100px]" id="qrcode" alt="QR Code" />
-                    <div class="basis-full mx-4">
+                <div>
-                        <div
+                    <div
-                            class="flex mt-1 gap-x-4 gap-y-2 text-sm text-gray-500 whitespace-nowrap"
+                        class="flex mt-1 gap-x-4 gap-y-2 text-sm text-gray-500 whitespace-nowrap"
+                    >
+                        <span
+                            ><i class="fa fa-left-right mr-2"
+                            ></i>{formatDistance($trail.distance)}</span
                         >
-                            <span
+                        <span
-                                ><i class="fa fa-left-right mr-2"
+                            ><i class="fa fa-clock mr-2"></i>{formatTimeHHMM(
-                                ></i>{formatDistance($trail.distance)}</span
+                                $trail.duration,
-                            >
+                            )}</span
-                            <span
-                                ><i class="fa fa-clock mr-2"
-                                ></i>{formatTimeHHMM($trail.duration)}</span
-                            >
-                            <span
-                                ><i class="fa fa-arrow-trend-up mr-2"
-                                ></i>{formatElevation(
-                                    $trail.elevation_gain,
-                                )}</span
-                            >
-                            <span
-                                ><i class="fa fa-arrow-trend-down mr-2"
-                                ></i>{formatElevation(
-                                    $trail.elevation_loss,
-                                )}</span
-                            >
-                        </div>
-                        <svg
-                            width="100%"
-                            height="50"
-                            id="ruler"
-                            xmlns="http://www.w3.org/2000/svg"
-                            version="1.1"
                         >
-                        </svg>
+                        <span
-                        <span class="text-sm"
+                            ><i class="fa fa-arrow-trend-up mr-2"
-                            >Scale: &nbsp 1 : {Math.round(scale)}</span
+                            ></i>{formatElevation($trail.elevation_gain)}</span
+                        >
+                        <span
+                            ><i class="fa fa-arrow-trend-down mr-2"
+                            ></i>{formatElevation($trail.elevation_loss)}</span
                         >
                     </div>
-                </MapWithElevation>
+                    <svg
+                        width="100%"
+                        height="50"
+                        id="ruler"
+                        xmlns="http://www.w3.org/2000/svg"
+                        version="1.1"
+                    >
+                    </svg>
+                    <span class="text-sm"
+                        >Scale: &nbsp 1 : {Math.round(scale)}</span
+                    >
+                </div>
+                <div class="min-w-0 basis-full" id="elevation-profile"></div>
             </div>
             <div class="pt-4 -mt-4 border-t border-t-input-border z-10">
                 <div class="float-right"><LogoText height={48}></LogoText></div>
@@ -593,9 +550,3 @@
         </div>
     </div>
 </main>
-
-<style>
-    :global(#map-container) {
-        height: 100%;
-    }
-</style>