forked from MapComplete/MapComplete
refactoring(maplibre): add RasterLayer info, add background switch, add default global layers
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14 changed files with 1103 additions and 472 deletions
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export default interface BaseLayer {
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id: string
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name: string
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layer: () => any /*leaflet.TileLayer - not importing as it breaks scripts*/
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max_zoom: number
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min_zoom: number
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feature: any
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isBest?: boolean
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category?: "map" | "osmbasedmap" | "photo" | "historicphoto" | string
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}
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276
Models/RasterLayers.ts
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276
Models/RasterLayers.ts
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import { Feature, Polygon } from "geojson"
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import * as editorlayerindex from "../assets/editor-layer-index.json"
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import * as globallayers from "../assets/global-raster-layers.json"
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import { BBox } from "../Logic/BBox"
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export class AvailableRasterLayers {
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public static EditorLayerIndex: (Feature<Polygon, EditorLayerIndexProperties> &
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RasterLayerPolygon)[] = <any>editorlayerindex.features
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public static globalLayers: RasterLayerPolygon[] = globallayers.layers.map(
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(properties) =>
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<RasterLayerPolygon>{
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type: "Feature",
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properties,
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geometry: BBox.global.asGeometry(),
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}
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)
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public static readonly osmCartoProperties: RasterLayerProperties = {
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id: "osm",
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name: "OpenStreetMap",
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url: "https://tile.openstreetmap.org/{z}/{x}/{y}.png",
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attribution: {
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text: "OpenStreetMap",
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url: "https://openStreetMap.org/copyright",
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},
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best: true,
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max_zoom: 19,
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min_zoom: 0,
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category: "osmbasedmap",
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}
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public static readonly osmCarto: RasterLayerPolygon = {
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type: "Feature",
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properties: AvailableRasterLayers.osmCartoProperties,
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geometry: BBox.global.asGeometry(),
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}
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}
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export class RasterLayerUtils {
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public static SelectBestLayerAccordingTo(
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available: RasterLayerPolygon[],
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preferredCategory: string | string[]
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): RasterLayerPolygon {
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available = [...available]
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if (preferredCategory === undefined) {
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return available[0]
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}
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let prefered: string[]
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if (typeof preferredCategory === "string") {
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prefered = [preferredCategory]
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} else {
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prefered = preferredCategory
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}
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for (let i = prefered.length - 1; i >= 0; i--) {
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const category = prefered[i]
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//Then sort all layers of the preferred type to the top. Stability of the sorting will force a 'best' photo layer on top
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available.sort((ap, bp) => {
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const a = ap.properties
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const b = bp.properties
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if (a.category === category && b.category === category) {
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return 0
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}
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if (a.category !== category) {
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return 1
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}
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return -1
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})
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}
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const best = available.find((l) => l.properties.best)
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if (best) {
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return best
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}
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return available[0]
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}
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}
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export type RasterLayerPolygon = Feature<Polygon, RasterLayerProperties>
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export interface RasterLayerProperties {
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/**
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* The name of the imagery source
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*/
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readonly name: string
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readonly id: string
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readonly url: string
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readonly category?:
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| string
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| "photo"
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| "map"
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| "historicmap"
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| "osmbasedmap"
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| "historicphoto"
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| "qa"
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| "elevation"
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| "other"
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readonly attribution?: {
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readonly url?: string
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readonly text?: string
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readonly html?: string
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readonly required?: boolean
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}
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readonly min_zoom?: number
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readonly max_zoom?: number
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readonly best?: boolean
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}
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/**
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* Information about a raster tile layer
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*
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* Based on the spec here https://github.com/osmlab/editor-layer-index/blob/gh-pages/schema.json
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* which was then converted with http://borischerny.com/json-schema-to-typescript-browser/
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*/
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export interface EditorLayerIndexProperties extends RasterLayerProperties {
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/**
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* The name of the imagery source
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*/
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readonly name: string
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/**
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* Whether the imagery name should be translated
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*/
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readonly i18n?: boolean
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readonly type: "tms" | "wms" | "bing" | "scanex" | "wms_endpoint" | "wmts"
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/**
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* A rough categorisation of different types of layers. See https://github.com/osmlab/editor-layer-index/blob/gh-pages/CONTRIBUTING.md#categories for a description of the individual categories.
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*/
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readonly category?:
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| "photo"
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| "map"
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| "historicmap"
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| "osmbasedmap"
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| "historicphoto"
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| "qa"
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| "elevation"
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| "other"
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/**
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* A URL template for imagery tiles
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*/
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readonly url: string
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readonly min_zoom?: number
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readonly max_zoom?: number
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/**
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* explicit/implicit permission by the owner for use in OSM
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*/
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readonly permission_osm?: "explicit" | "implicit" | "no"
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/**
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* A URL for the license or permissions for the imagery
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*/
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readonly license_url?: string
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/**
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* A URL for the privacy policy of the operator or false if there is no existing privacy policy for tis imagery.
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*/
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readonly privacy_policy_url?: string | boolean
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/**
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* A unique identifier for the source; used in imagery_used changeset tag
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*/
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readonly id: string
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/**
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* A short English-language description of the source
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*/
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readonly description?: string
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/**
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* The ISO 3166-1 alpha-2 two letter country code in upper case. Use ZZ for unknown or multiple.
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*/
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readonly country_code?: string
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/**
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* Whether this imagery should be shown in the default world-wide menu
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*/
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readonly default?: boolean
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/**
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* Whether this imagery is the best source for the region
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*/
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readonly best?: boolean
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/**
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* The age of the oldest imagery or data in the source, as an RFC3339 date or leading portion of one
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*/
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readonly start_date?: string
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/**
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* The age of the newest imagery or data in the source, as an RFC3339 date or leading portion of one
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*/
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readonly end_date?: string
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/**
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* HTTP header to check for information if the tile is invalid
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*/
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readonly no_tile_header?: {
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/**
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* This interface was referenced by `undefined`'s JSON-Schema definition
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* via the `patternProperty` "^.*$".
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*/
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[k: string]: string[] | null
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}
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/**
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* 'true' if tiles are transparent and can be overlaid on another source
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*/
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readonly overlay?: boolean & string
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readonly available_projections?: string[]
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readonly attribution?: {
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readonly url?: string
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readonly text?: string
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readonly html?: string
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readonly required?: boolean
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}
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/**
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* A URL for an image, that can be displayed in the list of imagery layers next to the name
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*/
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readonly icon?: string
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/**
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* A link to an EULA text that has to be accepted by the user, before the imagery source is added. Can contain {lang} to be replaced by a current user language wiki code (like FR:) or an empty string for the default English text.
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*/
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readonly eula?: string
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/**
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* A URL for an image, that is displayed in the mapview for attribution
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*/
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readonly "logo-image"?: string
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/**
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* Customized text for the terms of use link (default is "Background Terms of Use")
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*/
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readonly "terms-of-use-text"?: string
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/**
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* Specify a checksum for tiles, which aren't real tiles. `type` is the digest type and can be MD5, SHA-1, SHA-256, SHA-384 and SHA-512, value is the hex encoded checksum in lower case. To create a checksum save the tile as file and upload it to e.g. https://defuse.ca/checksums.htm.
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*/
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readonly "no-tile-checksum"?: string
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/**
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* header-name attribute specifies a header returned by tile server, that will be shown as `metadata-key` attribute in Show Tile Info dialog
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*/
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readonly "metadata-header"?: string
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/**
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* Set to `true` if imagery source is properly aligned and does not need imagery offset adjustments. This is used for OSM based sources too.
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*/
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readonly "valid-georeference"?: boolean
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/**
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* Size of individual tiles delivered by a TMS service
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*/
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readonly "tile-size"?: number
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/**
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* Whether tiles status can be accessed by appending /status to the tile URL and can be submitted for re-rendering by appending /dirty.
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*/
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readonly "mod-tile-features"?: string
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/**
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* HTTP headers to be sent to server. It has two attributes header-name and header-value. May be specified multiple times.
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*/
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readonly "custom-http-headers"?: {
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readonly "header-name"?: string
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readonly "header-value"?: string
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}
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/**
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* Default layer to open (when using WMS_ENDPOINT type). Contains list of layer tag with two attributes - name and style, e.g. `"default-layers": ["layer": { name="Basisdata_NP_Basiskart_JanMayen_WMTS_25829" "style":"default" } ]` (not allowed in `mirror` attribute)
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*/
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readonly "default-layers"?: {
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layer?: {
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"layer-name"?: string
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"layer-style"?: string
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[k: string]: unknown
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}
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[k: string]: unknown
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}[]
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/**
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* format to use when connecting tile server (when using WMS_ENDPOINT type)
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*/
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readonly format?: string
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/**
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* If `true` transparent tiles will be requested from WMS server
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*/
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readonly transparent?: boolean & string
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/**
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* minimum expiry time for tiles in seconds. The larger the value, the longer entry in cache will be considered valid
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*/
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readonly "minimum-tile-expire"?: number
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}
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