fixes POI overlay
This commit is contained in:
Christian Beutel
@@ -52,7 +52,7 @@
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class:hidden={!showSwitcher}
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style="transform: translateX(calc(-100% + 29px))"
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>
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<div class="flex items-center gap-x-12">
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<div class="flex items-center justify-between">
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<span class="font-semibold whitespace-nowrap text-base"
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>{$_("map-style")}</span
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>
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@@ -257,6 +257,43 @@ export function createPopupFromTrail(trail: Trail) {
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return popup;
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}
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export function createOverpassPopup(tags: Record<string, string>, coordinates: GeoJSON.Position) {
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const name = tags.name ?? "?"
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const popupContainer = document.createElement("div");
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popupContainer.className = "p-4"
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const popupHeading = document.createElement("h1");
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popupHeading.classList = "font-medium text-lg"
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popupHeading.textContent = name;
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const coordinateSubtitle = document.createElement("p")
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coordinateSubtitle.classList = "text-gray-500"
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coordinateSubtitle.textContent = `${coordinates[0].toFixed(6)}, ${coordinates[1].toFixed(6)}`
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popupContainer.appendChild(popupHeading)
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popupContainer.appendChild(coordinateSubtitle)
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const tagsGrid = document.createElement("div")
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tagsGrid.classList = "grid grid-cols-2 gap-x-4 mt-4"
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Object.entries(tags).forEach((([k, v]) => {
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if (k == "name") return;
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const kSpan = document.createElement("span")
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kSpan.classList = "font-mono"
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kSpan.textContent = k;
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const vSpan = document.createElement("span")
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vSpan.textContent = v;
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tagsGrid.appendChild(kSpan);
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tagsGrid.appendChild(vSpan);
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}));
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popupContainer.appendChild(tagsGrid)
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return popupContainer;
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}
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export function calculatePixelPerMeter(map: M.Map, meters: number) {
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const y = map.getCanvas().getBoundingClientRect().y;
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const x = map.getCanvas().getBoundingClientRect().x;
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30
web/src/lib/vendor/maplibre-layer-manager/debug-layer.ts
vendored
Normal file
30
web/src/lib/vendor/maplibre-layer-manager/debug-layer.ts
vendored
Normal file
@@ -0,0 +1,30 @@
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import type { Marker, StyleSpecification, MapMouseEvent } from "maplibre-gl";
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import type { BaseLayer } from "./layers";
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import * as M from "maplibre-gl";
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export class DebugLayer implements BaseLayer {
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spec: StyleSpecification = {
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version: 8,
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name: "debug",
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sources: {
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debug: {
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type: 'geojson',
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data: {
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type: 'FeatureCollection',
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features: [],
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},
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}
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},
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layers: [{
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id: 'debug-layer',
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type: 'line',
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source: 'debug',
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paint: {
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'line-color': '#ff0000',
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'line-width': 2,
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'line-dasharray': [2, 2],
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},
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}]
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};
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}
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356
web/src/lib/vendor/maplibre-layer-manager/layers.ts
vendored
356
web/src/lib/vendor/maplibre-layer-manager/layers.ts
vendored
@@ -1,16 +1,18 @@
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import Bakery from "$lib/assets/svgs/pois/bakery.svg?raw"
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import type { MapMouseEvent, Marker, StyleSpecification } from "maplibre-gl"
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import type { FilterSpecification, MapMouseEvent, Marker, StyleSpecification } from "maplibre-gl"
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export interface BaseLayer {
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markers?: Record<string, Marker>,
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spec: StyleSpecification,
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listener?: {
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filter?: FilterSpecification,
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listeners?: Record<string, {
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onMouseUp?: (e: MapMouseEvent) => void,
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onMouseDown?: (e: MapMouseEvent) => void,
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onEnter?: (e: MapMouseEvent) => void,
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onLeave?: (e: MapMouseEvent) => void,
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onMouseMove?: (e: MapMouseEvent) => void,
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}
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}>
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}
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export const baseMapStyles: Record<string, string | StyleSpecification> = {
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@@ -129,7 +131,7 @@ export const overlays: Record<string, StyleSpecification> = {
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},
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],
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},
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Skiing: {
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skiing: {
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name: "waymarkedTrailsWinter",
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version: 8,
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sources: {
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@@ -152,38 +154,293 @@ export const overlays: Record<string, StyleSpecification> = {
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}
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}
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export type POI = { q: string, icon: { svg: any, bg: string } }
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export const pois: Record<string, POI> = {
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"grocery-store": { q: "nwr[shop=supermarket];nwr[shop=convenience];", icon: { svg: "", bg: "red" } },
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"bakery": { q: "nwr[shop=bakery];", icon: { svg: Bakery, bg: "coral" } },
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"food-drinks": { q: "nwr[amenity=restaurant];nwr[amenity=fast_food];nwr[amenity=cafe];nwr[amenity=pub];nwr[amenity=bar];", icon: { svg: "", bg: "red" } },
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"toilet": { q: "nwr[amenity=toilets];", icon: { svg: "", bg: "red" } },
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"drinking-water": { q: "nwr[amenity=drinking_water];nwr[amenity=water_point];nwr[natural=spring][drinking_water=yes];", icon: { svg: "", bg: "red" } },
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"shower": { q: "nwr[amenity=shower];", icon: { svg: "", bg: "red" } },
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"shelter": { q: "nwr[amenity=shelter];", icon: { svg: "", bg: "red" } },
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"barrier": { q: "nwr[barrier=true];", icon: { svg: "", bg: "red" } },
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"attraction": { q: "nwr[tourism=attraction];", icon: { svg: "", bg: "red" } },
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"viewpoint": { q: "nwr[tourism=viewpoint];", icon: { svg: "", bg: "red" } },
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"hotel": { q: "nwr[tourism=hotel];nwr[tourism=hostel];nwr[tourism=guest_house];nwr[tourism=motel];", icon: { svg: "", bg: "red" } },
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"camp-site": { q: "nwr[tourism=camp_site];", icon: { svg: "", bg: "red" } },
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"hut": { q: "nwr[tourism=alpine_hut];nwr[tourism=wilderness_hut];", icon: { svg: "", bg: "red" } },
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"peak": { q: "nwr[natural=peak];", icon: { svg: "", bg: "red" } },
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"mountain-pass": { q: "nwr[mountain_pass=yes];", icon: { svg: "", bg: "red" } },
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"climbing": { q: "nwr[sport=climbing];", icon: { svg: "", bg: "red" } },
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"bicylce-parking": { q: "nwr[amenity=bicycle_parking];", icon: { svg: "", bg: "red" } },
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"bicycle-rental": { q: "nwr[amenity=bicycle_rental];", icon: { svg: "", bg: "red" } },
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"bicycle-shop": { q: "nwr[shop=bicycle];", icon: { svg: "", bg: "red" } },
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"gas-station": { q: "nwr[amenity=fuel];", icon: { svg: "", bg: "red" } },
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"parking": { q: "nwr[amenity=parking];", icon: { svg: "", bg: "red" } },
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"car-repair": { q: "nwr[shop=car_repair];", icon: { svg: "", bg: "red" } },
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"motorcycle-repair": { q: "nwr[shop=motorcycle_repair];", icon: { svg: "", bg: "red" } },
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"railway-station": { q: "nwr[railway=station];", icon: { svg: "", bg: "red" } },
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"subway": { q: "nwr[railway=subway_entrance];", icon: { svg: "", bg: "red" } },
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"tram": { q: "nwr[railway=tram_stop];", icon: { svg: "", bg: "red" } },
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"bus": { q: "nwr[public_transport=stop_position][bus=yes];nwr[public_transport=platform][bus=yes];", icon: { svg: "", bg: "red" } },
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"ferry": { q: "nwr[amenity=ferry_terminal];", icon: { svg: "", bg: "red" } },
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export type POI = {
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tags:
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| Record<string, string | boolean | string[]>
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| Record<string, string | boolean | string[]>[], icon: { svg: any, bg: string }
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}
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export const pois: Record<string, POI> = {
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bakery: {
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icon: {
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svg: Bakery,
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bg: 'Coral',
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},
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tags: {
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shop: 'bakery',
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},
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},
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'grocery-store': {
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icon: {
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svg: "",
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bg: 'Coral',
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},
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tags: {
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shop: ['supermarket', 'convenience'],
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},
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},
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"food-drinks": {
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icon: {
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svg: "",
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bg: 'Coral',
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},
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tags: {
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amenity: ['restaurant', 'fast_food', 'cafe', 'pub', 'bar'],
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},
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},
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toilets: {
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icon: {
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svg: "",
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bg: 'DeepSkyBlue',
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},
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tags: {
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amenity: 'toilets',
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},
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},
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water: {
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icon: {
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svg: "",
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bg: 'DeepSkyBlue',
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},
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tags: [
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{
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amenity: ['drinking_water', 'water_point'],
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},
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{
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natural: 'spring',
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drinking_water: 'yes',
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},
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],
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},
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shower: {
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icon: {
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svg: "",
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bg: 'DeepSkyBlue',
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},
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tags: {
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amenity: 'shower',
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},
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},
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shelter: {
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icon: {
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svg: "",
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bg: '#000000',
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},
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tags: {
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amenity: 'shelter',
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},
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},
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'gas-station': {
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icon: {
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svg: "",
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bg: '#000000',
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},
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tags: {
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amenity: 'fuel',
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},
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},
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parking: {
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icon: {
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svg: "",
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bg: '#000000',
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},
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tags: {
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amenity: 'parking',
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},
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},
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garage: {
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icon: {
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svg: "",
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bg: '#000000',
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},
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tags: {
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shop: ['car_repair', 'motorcycle_repair'],
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},
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},
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barrier: {
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icon: {
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svg: "",
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bg: '#000000',
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},
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tags: {
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barrier: true,
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},
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},
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attraction: {
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icon: {
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svg: "",
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bg: 'Green',
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},
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tags: {
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tourism: 'attraction',
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},
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},
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viewpoint: {
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icon: {
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svg: "",
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bg: 'Green',
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},
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tags: {
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tourism: 'viewpoint',
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},
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},
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hotel: {
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icon: {
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svg: "",
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bg: '#e6c100',
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},
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tags: {
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tourism: ['hotel', 'hostel', 'guest_house', 'motel'],
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},
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},
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campsite: {
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icon: {
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svg: "",
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bg: '#e6c100',
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},
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tags: {
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tourism: 'camp_site',
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},
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},
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hut: {
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icon: {
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svg: "",
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bg: '#e6c100',
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},
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tags: {
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tourism: ['alpine_hut', 'wilderness_hut'],
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},
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},
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picnic: {
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icon: {
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svg: "",
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bg: 'Green',
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},
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tags: {
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tourism: 'picnic_site',
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},
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},
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summit: {
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icon: {
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svg: "",
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bg: 'Green',
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},
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tags: {
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natural: 'peak',
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},
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},
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pass: {
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icon: {
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svg: "",
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bg: 'Green',
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},
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tags: {
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mountain_pass: 'yes',
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},
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},
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climbing: {
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icon: {
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svg: "",
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bg: 'Green',
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},
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tags: {
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sport: 'climbing',
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},
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},
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'bicycle-parking': {
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icon: {
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svg: "",
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bg: 'HotPink',
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},
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tags: {
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amenity: 'bicycle_parking',
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},
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},
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'bicycle-rental': {
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icon: {
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svg: "",
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bg: 'HotPink',
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},
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tags: {
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amenity: 'bicycle_rental',
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},
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},
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'bicycle-shop': {
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icon: {
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svg: "",
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bg: 'HotPink',
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},
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tags: {
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shop: 'bicycle',
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},
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},
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'railway-station': {
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icon: {
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svg: "",
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bg: 'DarkBlue',
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},
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tags: {
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railway: 'station',
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},
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|
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},
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'tram-stop': {
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icon: {
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svg: "",
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bg: 'DarkBlue',
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},
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tags: {
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railway: 'tram_stop',
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},
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|
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},
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'subway-stop': {
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icon: {
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svg: "",
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bg: 'DarkBlue',
|
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},
|
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tags: {
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railway: 'subway_entrance',
|
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},
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|
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},
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'bus-stop': {
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icon: {
|
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svg: "",
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bg: 'DarkBlue',
|
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},
|
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tags: {
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public_transport: ['stop_position', 'platform'],
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bus: 'yes',
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},
|
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|
||||
},
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ferry: {
|
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icon: {
|
||||
svg: "",
|
||||
bg: 'DarkBlue',
|
||||
},
|
||||
tags: {
|
||||
amenity: 'ferry_terminal',
|
||||
},
|
||||
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
export type MapState = {
|
||||
@@ -195,12 +452,10 @@ export type MapState = {
|
||||
export const defaultMapState: MapState = {
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base: "OpenFreeMap",
|
||||
overlays: {
|
||||
waymarkedTrailsHiking: false,
|
||||
waymarkedTrailsCycling: false,
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||||
waymarkedTrailsHorseRiding: false,
|
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waymarkedTrailsMTB: false,
|
||||
waymarkedTrailsSkating: false,
|
||||
waymarkedTrailsWinter: false,
|
||||
hiking: false,
|
||||
cycling: false,
|
||||
MTB: false,
|
||||
skiing: false,
|
||||
},
|
||||
pois: {
|
||||
food: {
|
||||
@@ -209,41 +464,40 @@ export const defaultMapState: MapState = {
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||||
bakery: false,
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},
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||||
tourism: {
|
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"camp-site": false,
|
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campsite: false,
|
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attraction: false,
|
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hotel: false,
|
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hut: false,
|
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viewpoint: false,
|
||||
},
|
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ammenity: {
|
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"drinking-water": false,
|
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water: false,
|
||||
barrier: false,
|
||||
shelter: false,
|
||||
shower: false,
|
||||
toilet: false,
|
||||
toilets: false,
|
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},
|
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hiking: {
|
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"mountain-pass": false,
|
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pass: false,
|
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climbing: false,
|
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peak: false,
|
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summit: false,
|
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},
|
||||
cycling: {
|
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"bicycle-rental": false,
|
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"bicycle-shop": false,
|
||||
"bicylce-parking": false,
|
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"bicycle-parking": false,
|
||||
},
|
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"car-motorcycle": {
|
||||
"car-repair": false,
|
||||
"garage": false,
|
||||
"gas-station": false,
|
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"motorcycle-repair": false,
|
||||
parking: false,
|
||||
},
|
||||
"public-transport": {
|
||||
"railway-station": false,
|
||||
bus: false,
|
||||
"bus-stop": false,
|
||||
ferry: false,
|
||||
subway: false,
|
||||
tram: false,
|
||||
"subway-stop": false,
|
||||
"tram-stop": false,
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,5 +1,6 @@
|
||||
import * as M from "maplibre-gl";
|
||||
import { baseMapStyles, defaultMapState, pois, type BaseLayer, type MapState } from "./layers";
|
||||
import { DebugLayer } from "./debug-layer";
|
||||
import { baseMapStyles, defaultMapState, type BaseLayer, type MapState } from "./layers";
|
||||
import { OverlayLayer } from "./overlay-layer";
|
||||
import { OverpassLayer } from "./overpass-layer";
|
||||
|
||||
@@ -8,7 +9,8 @@ import { OverpassLayer } from "./overpass-layer";
|
||||
export class LayerManager {
|
||||
private map: M.Map;
|
||||
state!: MapState;
|
||||
layers: Record<string, BaseLayer> = {};
|
||||
private layers: Record<string, BaseLayer> = {};
|
||||
private addedListeners: Set<string> = new Set();
|
||||
|
||||
constructor(map: M.Map) {
|
||||
this.map = map;
|
||||
@@ -30,9 +32,13 @@ export class LayerManager {
|
||||
try {
|
||||
this.update(this.state, true);
|
||||
|
||||
const overpassLayer = new OverpassLayer()
|
||||
this.addLayer("overpass", overpassLayer)
|
||||
const overpassLayer = new OverpassLayer(this.map)
|
||||
const debugLayer = new DebugLayer()
|
||||
|
||||
this.addLayer("overpass", overpassLayer)
|
||||
this.addLayer("debug", debugLayer)
|
||||
|
||||
this.map.on('moveend', this.updateOverpassLayerAfterMapMoveBinded);
|
||||
} catch (e) {
|
||||
console.error(e)
|
||||
// map is probably not initialized yet
|
||||
@@ -56,25 +62,35 @@ export class LayerManager {
|
||||
}
|
||||
}
|
||||
|
||||
const overpassLayer = this.layers.overpass;
|
||||
if (overpassLayer) {
|
||||
const castedOverpassLayer = overpassLayer as OverpassLayer
|
||||
castedOverpassLayer.updateLayer(newState, this.map.getBounds()).then(() => {
|
||||
this.loadIcons(castedOverpassLayer.pois);
|
||||
(this.map.getSource('overpass') as M.GeoJSONSource).setData(castedOverpassLayer.data);
|
||||
})
|
||||
}
|
||||
this.updateOverpassLayer(newState);
|
||||
|
||||
this.state = newState
|
||||
localStorage.setItem("map-state", JSON.stringify(this.state));
|
||||
}
|
||||
|
||||
updateOverpassLayerAfterMapMoveBinded = this.updateOverpassLayerAfterMapMove.bind(this);
|
||||
updateOverpassLayerAfterMapMove() {
|
||||
this.updateOverpassLayer(this.state)
|
||||
}
|
||||
|
||||
private async updateOverpassLayer(newState: MapState) {
|
||||
const overpassLayer = this.layers.overpass;
|
||||
if (overpassLayer) {
|
||||
const castedOverpassLayer = overpassLayer as OverpassLayer;
|
||||
overpassLayer.filter = await castedOverpassLayer.updateLayerIfNeeded(newState, this.map.getBounds());
|
||||
(this.map.getSource('overpass') as M.GeoJSONSource).setData(castedOverpassLayer.data);
|
||||
}
|
||||
}
|
||||
|
||||
private updateBaseLayer(layer: string | M.StyleSpecification) {
|
||||
this.map.setStyle(layer);
|
||||
}
|
||||
|
||||
|
||||
private addLayer(id: string, layer: BaseLayer) {
|
||||
if (this.layers[id] && this.map.getLayer(id)) {
|
||||
return;
|
||||
}
|
||||
for (const [id, s] of Object.entries(layer.spec.sources)) {
|
||||
if (!this.map.getSource(id)) {
|
||||
this.map.addSource(id, s)
|
||||
@@ -87,6 +103,34 @@ export class LayerManager {
|
||||
}
|
||||
}
|
||||
|
||||
if (layer.listeners) {
|
||||
for (const [id, listener] of Object.entries(layer.listeners)) {
|
||||
if (listener.onEnter && !this.addedListeners.has("mouseenter-" + id)) {
|
||||
this.addedListeners.add("mouseenter-" + id)
|
||||
this.map.on('mouseenter', id, listener.onEnter);
|
||||
}
|
||||
|
||||
if (listener.onLeave && !this.addedListeners.has("onleave-" + id)) {
|
||||
this.addedListeners.add("mouseleave-" + id)
|
||||
this.map.on('mouseleave', id, listener.onLeave);
|
||||
}
|
||||
|
||||
if (listener.onMouseDown && !this.addedListeners.has("click-" + id)) {
|
||||
this.addedListeners.add("click-" + id)
|
||||
this.map.on('click', id, listener.onMouseDown);
|
||||
}
|
||||
|
||||
if (listener.onMouseMove && !this.addedListeners.has("mousemove-" + id)) {
|
||||
this.addedListeners.add("mousemove-" + id)
|
||||
this.map.on('mousemove', id, listener.onMouseMove);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (layer.filter && !this.map.getFilter(id)) {
|
||||
this.map.setFilter(id, layer.filter)
|
||||
}
|
||||
|
||||
this.layers[id] = layer
|
||||
}
|
||||
|
||||
@@ -106,6 +150,29 @@ export class LayerManager {
|
||||
this.map.removeSource(id)
|
||||
}
|
||||
}
|
||||
|
||||
if (layer.listeners) {
|
||||
for (const [id, listener] of Object.entries(layer.listeners)) {
|
||||
if (listener.onEnter) {
|
||||
this.addedListeners.delete("mouseenter-" + id)
|
||||
this.map.off('mouseenter', id, listener.onEnter);
|
||||
}
|
||||
|
||||
if (listener.onLeave) {
|
||||
this.addedListeners.delete("mouseleave-" + id)
|
||||
this.map.off('mouseleave', id, listener.onLeave);
|
||||
}
|
||||
if (listener.onMouseDown) {
|
||||
this.addedListeners.delete("click-" + id)
|
||||
this.map.off('click', id, listener.onMouseDown);
|
||||
}
|
||||
if (listener.onMouseMove) {
|
||||
this.addedListeners.delete("mousemove-" + id)
|
||||
this.map.off('mousemove', id, listener.onMouseMove);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
delete this.layers[id]
|
||||
|
||||
}
|
||||
@@ -115,30 +182,4 @@ export class LayerManager {
|
||||
this.addLayer(id, layer)
|
||||
}
|
||||
}
|
||||
|
||||
private loadIcons(activePois: string[]) {
|
||||
activePois.forEach((poi) => {
|
||||
if (!this.map.hasImage(`overpass-${poi}`)) {
|
||||
let icon = new Image(100, 100);
|
||||
icon.onload = () => {
|
||||
if (!this.map.hasImage(`overpass-${poi}`)) {
|
||||
this.map.addImage(`overpass-${poi}`, icon);
|
||||
}
|
||||
};
|
||||
|
||||
const svg = `
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 40 40">
|
||||
<circle cx="20" cy="20" r="20" fill="${pois[poi].icon.bg}" />
|
||||
<g transform="translate(8 8) scale(0.05)">
|
||||
${pois[poi].icon.svg}
|
||||
</g>
|
||||
</svg>
|
||||
`
|
||||
|
||||
icon.src =
|
||||
'data:image/svg+xml,' +
|
||||
encodeURIComponent(svg);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
@@ -1,4 +1,6 @@
|
||||
import type { LngLatBounds, StyleSpecification } from "maplibre-gl";
|
||||
import { createOverpassPopup } from "$lib/util/maplibre_util";
|
||||
import * as M from "maplibre-gl";
|
||||
import { type LngLatBounds, type MapMouseEvent, type StyleSpecification } from "maplibre-gl";
|
||||
import { pois, type BaseLayer, type MapState } from "./layers";
|
||||
import type { OverpassResponse } from "./types";
|
||||
|
||||
@@ -6,7 +8,13 @@ export class OverpassLayer implements BaseLayer {
|
||||
private overpassApiURL: string = "https://overpass.private.coffee/api/interpreter"
|
||||
|
||||
data: GeoJSON.FeatureCollection = ({ type: 'FeatureCollection', features: [] });
|
||||
pois: string[] = [];
|
||||
|
||||
private minZoom = 12;
|
||||
|
||||
private cachedQueries: { x: string, y: string, query: string }[] = [];
|
||||
private cachedData: { query: string, id: number, feature: GeoJSON.Feature }[] = []
|
||||
private tileSize = 0.1;
|
||||
|
||||
|
||||
spec: StyleSpecification = {
|
||||
version: 8,
|
||||
@@ -32,61 +40,281 @@ export class OverpassLayer implements BaseLayer {
|
||||
],
|
||||
};
|
||||
|
||||
listeners = {
|
||||
"overpass": {
|
||||
onMouseDown: (e: MapMouseEvent) => {
|
||||
this.openPopup(e)
|
||||
},
|
||||
onEnter: (e: MapMouseEvent) => {
|
||||
this.openPopup(e);
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
async updateLayer(state: MapState, bounds: LngLatBounds) {
|
||||
let activePOIs: string[] = []
|
||||
for (const category of Object.keys(state.pois)) {
|
||||
for (const [name, active] of Object.entries(state.pois[category])) {
|
||||
if (active) {
|
||||
activePOIs.push(name)
|
||||
private popup: M.Popup;
|
||||
private map: M.Map;
|
||||
private currentPopupCoordinates: GeoJSON.Position | null = null
|
||||
|
||||
constructor(map: M.Map) {
|
||||
this.map = map;
|
||||
this.popup = new M.Popup()
|
||||
.setMaxWidth("420px")
|
||||
}
|
||||
|
||||
private openPopup(e: MapMouseEvent) {
|
||||
const features = (e as any).features as GeoJSON.Feature[];
|
||||
const point = features[0].geometry as GeoJSON.Point;
|
||||
const tags = JSON.parse(features[0].properties?.tags);
|
||||
const content = createOverpassPopup(tags, point.coordinates);
|
||||
|
||||
this.currentPopupCoordinates = point.coordinates;
|
||||
this.popup
|
||||
.setLngLat(point.coordinates as M.LngLatLike)
|
||||
.setDOMContent(content)
|
||||
.addTo(this.map);
|
||||
|
||||
this.map.on("mousemove", this.distanceNotifierBinded)
|
||||
}
|
||||
|
||||
distanceNotifierBinded = this.distanceNotifier.bind(this);
|
||||
private distanceNotifier(e: MapMouseEvent) {
|
||||
if (this.currentPopupCoordinates === null) {
|
||||
return
|
||||
}
|
||||
|
||||
if (this.map.project(this.currentPopupCoordinates as M.LngLatLike).dist(this.map.project(e.lngLat)) > 60) {
|
||||
this.popup.remove();
|
||||
this.map.off("mousemove", this.distanceNotifier)
|
||||
this.currentPopupCoordinates = null;
|
||||
}
|
||||
}
|
||||
|
||||
async updateLayerIfNeeded(state: MapState, bounds: LngLatBounds) {
|
||||
|
||||
let activeQueries: string[] = this.getActiveQueries(state);
|
||||
|
||||
if (this.map.getZoom() >= this.minZoom) {
|
||||
|
||||
await this.fetchMissingTilesForBounds(bounds, activeQueries);
|
||||
}
|
||||
|
||||
|
||||
const filter: M.FilterSpecification = ['in', 'query', ...this.getActiveQueries(state)];
|
||||
|
||||
this.map.setFilter('overpass', filter);
|
||||
|
||||
return filter
|
||||
}
|
||||
|
||||
private async fetchMissingTilesForBounds(bounds: M.LngLatBounds, activeQueries: string[]) {
|
||||
const result: [string, LngLatBounds][] = [];
|
||||
|
||||
const south = bounds.getSouth();
|
||||
const north = bounds.getNorth();
|
||||
const west = bounds.getWest();
|
||||
const east = bounds.getEast();
|
||||
|
||||
for (let lat = south; lat < north; lat += this.tileSize) {
|
||||
for (let lng = west; lng < east; lng += this.tileSize) {
|
||||
const x = Math.floor(lat / this.tileSize) * this.tileSize;
|
||||
const y = Math.floor(lng / this.tileSize) * this.tileSize;
|
||||
const cachedQueriesAtPosition = this.cachedQueries.filter(q => q.x == x.toFixed(4) && q.y == y.toFixed(4)) ?? [];
|
||||
const missingQueries = activeQueries.filter(
|
||||
(query) =>
|
||||
!cachedQueriesAtPosition.some(
|
||||
(querytile) =>
|
||||
querytile.query === query
|
||||
)
|
||||
);
|
||||
if (missingQueries.length > 0) {
|
||||
const tileBounds = this.getBoundsForTile(x, y)
|
||||
await this.fetchTile(x, y, missingQueries, tileBounds)
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
const q = this.getOverpassQuery(activePOIs, bounds)
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private async fetchTile(x: number, y: number, activeQueries: string[], bounds: LngLatBounds) {
|
||||
const q = this.getOverpassQuery(activeQueries, bounds)
|
||||
if (!q.length) {
|
||||
return;
|
||||
}
|
||||
const r = await fetch(`${this.overpassApiURL}?data=${q}`)
|
||||
const response: OverpassResponse = await r.json();
|
||||
|
||||
this.updateData(response)
|
||||
this.pois = activePOIs
|
||||
this.cacheData(x, y, response, activeQueries)
|
||||
this.loadIcons(activeQueries)
|
||||
|
||||
}
|
||||
|
||||
private updateData(data: OverpassResponse, ) {
|
||||
let pois: GeoJSON.Feature[] = [];
|
||||
|
||||
private cacheData(x: number, y: number, data: OverpassResponse, activeQueries: string[]) {
|
||||
if (data.elements === undefined) {
|
||||
return;
|
||||
}
|
||||
|
||||
for (let element of data.elements) {
|
||||
console.log(element);
|
||||
this.cachedQueries = this.cachedQueries.concat(activeQueries.map((query) => ({ x: x.toFixed(4), y: y.toFixed(4), query })));
|
||||
|
||||
pois.push({
|
||||
type: 'Feature',
|
||||
geometry: {
|
||||
type: 'Point',
|
||||
coordinates: element.center
|
||||
? [element.center.lon, element.center.lat]
|
||||
: [element.lon, element.lat],
|
||||
},
|
||||
properties: {
|
||||
id: element.id,
|
||||
lat: element.center ? element.center.lat : element.lat,
|
||||
lon: element.center ? element.center.lon : element.lon,
|
||||
icon: `overpass-bakery`,
|
||||
tags: element.tags,
|
||||
type: element.type,
|
||||
},
|
||||
});
|
||||
for (let element of data.elements) {
|
||||
for (let query of activeQueries) {
|
||||
if (this.belongsToQuery(element, query)) {
|
||||
this.cachedData.push({
|
||||
query,
|
||||
id: element.id,
|
||||
feature: {
|
||||
type: 'Feature',
|
||||
geometry: {
|
||||
type: 'Point',
|
||||
coordinates: element.center
|
||||
? [element.center.lon, element.center.lat]
|
||||
: [element.lon, element.lat],
|
||||
},
|
||||
properties: {
|
||||
id: element.id,
|
||||
lat: element.center ? element.center.lat : element.lat,
|
||||
lon: element.center ? element.center.lon : element.lon,
|
||||
query: query,
|
||||
icon: `overpass-${query}`,
|
||||
tags: element.tags,
|
||||
type: element.type,
|
||||
},
|
||||
},
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
this.data.features = pois;
|
||||
this.data.features = this.cachedData.map(d => d.feature);
|
||||
}
|
||||
|
||||
private getOverpassQuery(data: string[], bounds: LngLatBounds) {
|
||||
const q = data.map(p => pois[p].q).join('')
|
||||
return `[bbox:${bounds.getSouth()},${bounds.getWest()},${bounds.getNorth()},${bounds.getEast()}][out:json];(${q});out center;`;
|
||||
private getActiveQueries(state: MapState) {
|
||||
const activeQueries: string[] = []
|
||||
for (const category of Object.keys(state.pois)) {
|
||||
for (const [name, active] of Object.entries(state.pois[category])) {
|
||||
if (active) {
|
||||
activeQueries.push(name)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return activeQueries
|
||||
}
|
||||
|
||||
private belongsToQuery(element: OverpassResponse["elements"][number], query: string) {
|
||||
if (Array.isArray(pois[query].tags)) {
|
||||
return pois[query].tags.some((tags) => this.belongsToQueryItem(element, tags));
|
||||
} else {
|
||||
return this.belongsToQueryItem(element, pois[query].tags);
|
||||
}
|
||||
}
|
||||
|
||||
private belongsToQueryItem(element: any, tags: Record<string, string | boolean | string[]>) {
|
||||
return Object.entries(tags).every(([tag, value]) =>
|
||||
Array.isArray(value) ? value.includes(element.tags[tag]) : element.tags[tag] === value
|
||||
);
|
||||
}
|
||||
|
||||
private getOverpassQuery(activeQueries: string[], bounds: LngLatBounds) {
|
||||
return `[bbox:${bounds.getSouth()},${bounds.getWest()},${bounds.getNorth()},${bounds.getEast()}][out:json];(${this.getQueries(activeQueries)});out center;`;
|
||||
|
||||
}
|
||||
|
||||
private getQueries(queries: string[]) {
|
||||
return queries.map((query) => this.getQuery(query)).join('');
|
||||
}
|
||||
|
||||
private getQuery(query: string) {
|
||||
if (Array.isArray(pois[query].tags)) {
|
||||
return pois[query].tags.map((tags) => this.getQueryItem(tags)).join('');
|
||||
} else {
|
||||
return this.getQueryItem(pois[query].tags);
|
||||
}
|
||||
}
|
||||
|
||||
private getQueryItem(tags: Record<string, string | boolean | string[]>) {
|
||||
let arrayEntry = Object.entries(tags).find(([_, value]) => Array.isArray(value));
|
||||
if (arrayEntry !== undefined) {
|
||||
return (arrayEntry[1] as string[])
|
||||
.map(
|
||||
(val) =>
|
||||
`nwr${Object.entries(tags)
|
||||
.map(([tag, value]) => `[${tag}=${tag === arrayEntry[0] ? val : value}]`)
|
||||
.join('')};`
|
||||
)
|
||||
.join('');
|
||||
} else {
|
||||
return `nwr${Object.entries(tags)
|
||||
.map(([tag, value]) => `[${tag}=${value}]`)
|
||||
.join('')};`;
|
||||
}
|
||||
}
|
||||
|
||||
private loadIcons(activeQueries: string[]) {
|
||||
activeQueries.forEach((q) => {
|
||||
if (!this.map.hasImage(`overpass-${q}`)) {
|
||||
let icon = new Image(100, 100);
|
||||
icon.onload = () => {
|
||||
if (!this.map.hasImage(`overpass-${q}`)) {
|
||||
this.map.addImage(`overpass-${q}`, icon);
|
||||
}
|
||||
};
|
||||
|
||||
const svg = `
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 40 40">
|
||||
<circle cx="20" cy="20" r="20" fill="${pois[q].icon.bg}" />
|
||||
<g transform="translate(8 8) scale(0.05)">
|
||||
${pois[q].icon.svg}
|
||||
</g>
|
||||
</svg>
|
||||
`
|
||||
|
||||
icon.src =
|
||||
'data:image/svg+xml,' +
|
||||
encodeURIComponent(svg);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private getBoundsForTile(lat: number, lng: number): LngLatBounds {
|
||||
return new M.LngLatBounds(
|
||||
[lng, lat],
|
||||
[lng + this.tileSize, lat + this.tileSize]
|
||||
);
|
||||
}
|
||||
|
||||
private showDebugTiles(tiles: [string, LngLatBounds][]) {
|
||||
const features = tiles.map(([_, bounds]) => boundsToPolygonFeature(bounds));
|
||||
|
||||
const debugSource = this.map.getSource('debug') as M.GeoJSONSource;
|
||||
|
||||
if (debugSource) {
|
||||
debugSource.setData({
|
||||
type: 'FeatureCollection',
|
||||
features,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
function boundsToPolygonFeature(bounds: M.LngLatBounds): GeoJSON.Feature<GeoJSON.Polygon> {
|
||||
const [[west, south], [east, north]] = bounds.toArray();
|
||||
const coordinates = [[
|
||||
[west, south],
|
||||
[east, south],
|
||||
[east, north],
|
||||
[west, north],
|
||||
[west, south],
|
||||
]];
|
||||
|
||||
return {
|
||||
type: 'Feature',
|
||||
geometry: {
|
||||
type: 'Polygon',
|
||||
coordinates: coordinates,
|
||||
},
|
||||
properties: {},
|
||||
};
|
||||
}
|
||||
@@ -141,7 +141,6 @@
|
||||
loading = true;
|
||||
}
|
||||
|
||||
console.log(filter);
|
||||
const trailsInBox = await trails_search_bounding_box(
|
||||
northEast,
|
||||
southWest,
|
||||
|
||||
Reference in New Issue
Block a user