282 lines
10 KiB
TypeScript
282 lines
10 KiB
TypeScript
import {Feature, Polygon} from "geojson"
|
|
import * as editorlayerindex from "../assets/editor-layer-index.json"
|
|
import * as globallayers from "../assets/global-raster-layers.json"
|
|
import {BBox} from "../Logic/BBox"
|
|
import {Store, Stores} from "../Logic/UIEventSource"
|
|
import {GeoOperations} from "../Logic/GeoOperations"
|
|
import {RasterLayerProperties} from "./RasterLayerProperties"
|
|
|
|
export class AvailableRasterLayers {
|
|
public static EditorLayerIndex: (Feature<Polygon, EditorLayerIndexProperties> &
|
|
RasterLayerPolygon)[] = <any>editorlayerindex.features
|
|
public static globalLayers: RasterLayerPolygon[] = globallayers.layers.map(
|
|
(properties) =>
|
|
<RasterLayerPolygon>{
|
|
type: "Feature",
|
|
properties,
|
|
geometry: BBox.global.asGeometry(),
|
|
}
|
|
)
|
|
public static readonly osmCartoProperties: RasterLayerProperties = {
|
|
id: "osm",
|
|
name: "OpenStreetMap",
|
|
url: "https://tile.openstreetmap.org/{z}/{x}/{y}.png",
|
|
attribution: {
|
|
text: "OpenStreetMap",
|
|
url: "https://openStreetMap.org/copyright",
|
|
},
|
|
best: true,
|
|
max_zoom: 19,
|
|
min_zoom: 0,
|
|
category: "osmbasedmap",
|
|
}
|
|
|
|
public static readonly osmCarto: RasterLayerPolygon = {
|
|
type: "Feature",
|
|
properties: AvailableRasterLayers.osmCartoProperties,
|
|
geometry: BBox.global.asGeometry(),
|
|
}
|
|
|
|
public static readonly maplibre: RasterLayerPolygon = {
|
|
type: "Feature",
|
|
properties: {
|
|
name: "MapTiler",
|
|
url: null,
|
|
category: "osmbasedmap",
|
|
id: "maptiler",
|
|
attribution: {
|
|
text: "Maptiler",
|
|
url: "https://www.maptiler.com/copyright/"
|
|
}
|
|
},
|
|
geometry: BBox.global.asGeometry(),
|
|
}
|
|
|
|
public static layersAvailableAt(
|
|
location: Store<{ lon: number; lat: number }>
|
|
): Store<RasterLayerPolygon[]> {
|
|
const availableLayersBboxes = Stores.ListStabilized(
|
|
location.mapD((loc) => {
|
|
const lonlat: [number, number] = [loc.lon, loc.lat]
|
|
return AvailableRasterLayers.EditorLayerIndex.filter((eliPolygon) =>
|
|
BBox.get(eliPolygon).contains(lonlat)
|
|
)
|
|
})
|
|
)
|
|
const available = Stores.ListStabilized(
|
|
availableLayersBboxes.map((eliPolygons) => {
|
|
const loc = location.data
|
|
const lonlat: [number, number] = [loc.lon, loc.lat]
|
|
const matching: RasterLayerPolygon[] = eliPolygons.filter((eliPolygon) => {
|
|
if (eliPolygon.geometry === null) {
|
|
return true // global ELI-layer
|
|
}
|
|
return GeoOperations.inside(lonlat, eliPolygon)
|
|
})
|
|
matching.unshift(AvailableRasterLayers.osmCarto)
|
|
matching.unshift(AvailableRasterLayers.maplibre)
|
|
matching.push(...AvailableRasterLayers.globalLayers)
|
|
return matching
|
|
})
|
|
)
|
|
return available
|
|
}
|
|
}
|
|
|
|
export class RasterLayerUtils {
|
|
/**
|
|
* Selects, from the given list of available rasterLayerPolygons, a rasterLayer.
|
|
* This rasterlayer will be of type 'preferredCategory' and will be of the 'best'-layer (if available).
|
|
* Returns 'undefined' if no such layer is available
|
|
* @param available
|
|
* @param preferredCategory
|
|
* @param ignoreLayer
|
|
*/
|
|
public static SelectBestLayerAccordingTo(
|
|
available: RasterLayerPolygon[],
|
|
preferredCategory: string,
|
|
ignoreLayer?: RasterLayerPolygon
|
|
): RasterLayerPolygon {
|
|
let secondBest: RasterLayerPolygon = undefined
|
|
for (const rasterLayer of available) {
|
|
if (rasterLayer === ignoreLayer) {
|
|
continue
|
|
}
|
|
const p = rasterLayer.properties
|
|
if (p.category === preferredCategory) {
|
|
if (p.best) {
|
|
return rasterLayer
|
|
}
|
|
if (!secondBest) {
|
|
secondBest = rasterLayer
|
|
}
|
|
}
|
|
}
|
|
return secondBest
|
|
}
|
|
}
|
|
|
|
export type RasterLayerPolygon = Feature<Polygon, RasterLayerProperties>
|
|
|
|
/**
|
|
* Information about a raster tile layer
|
|
*
|
|
* Based on the spec here https://github.com/osmlab/editor-layer-index/blob/gh-pages/schema.json
|
|
* which was then converted with http://borischerny.com/json-schema-to-typescript-browser/
|
|
*/
|
|
export interface EditorLayerIndexProperties extends RasterLayerProperties {
|
|
/**
|
|
* The name of the imagery source
|
|
*/
|
|
readonly name: string
|
|
/**
|
|
* Whether the imagery name should be translated
|
|
*/
|
|
readonly i18n?: boolean
|
|
readonly type: "tms" | "wms" | "bing" | "scanex" | "wms_endpoint" | "wmts"
|
|
/**
|
|
* 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.
|
|
*/
|
|
readonly category?:
|
|
| "photo"
|
|
| "map"
|
|
| "historicmap"
|
|
| "osmbasedmap"
|
|
| "historicphoto"
|
|
| "qa"
|
|
| "elevation"
|
|
| "other"
|
|
/**
|
|
* A URL template for imagery tiles
|
|
*/
|
|
readonly url: string
|
|
readonly min_zoom?: number
|
|
readonly max_zoom?: number
|
|
/**
|
|
* explicit/implicit permission by the owner for use in OSM
|
|
*/
|
|
readonly permission_osm?: "explicit" | "implicit" | "no"
|
|
/**
|
|
* A URL for the license or permissions for the imagery
|
|
*/
|
|
readonly license_url?: string
|
|
/**
|
|
* A URL for the privacy policy of the operator or false if there is no existing privacy policy for tis imagery.
|
|
*/
|
|
readonly privacy_policy_url?: string | boolean
|
|
/**
|
|
* A unique identifier for the source; used in imagery_used changeset tag
|
|
*/
|
|
readonly id: string
|
|
/**
|
|
* A short English-language description of the source
|
|
*/
|
|
readonly description?: string
|
|
/**
|
|
* The ISO 3166-1 alpha-2 two letter country code in upper case. Use ZZ for unknown or multiple.
|
|
*/
|
|
readonly country_code?: string
|
|
/**
|
|
* Whether this imagery should be shown in the default world-wide menu
|
|
*/
|
|
readonly default?: boolean
|
|
/**
|
|
* Whether this imagery is the best source for the region
|
|
*/
|
|
readonly best?: boolean
|
|
/**
|
|
* The age of the oldest imagery or data in the source, as an RFC3339 date or leading portion of one
|
|
*/
|
|
readonly start_date?: string
|
|
/**
|
|
* The age of the newest imagery or data in the source, as an RFC3339 date or leading portion of one
|
|
*/
|
|
readonly end_date?: string
|
|
/**
|
|
* HTTP header to check for information if the tile is invalid
|
|
*/
|
|
readonly no_tile_header?: {
|
|
/**
|
|
* This interface was referenced by `undefined`'s JSON-Schema definition
|
|
* via the `patternProperty` "^.*$".
|
|
*/
|
|
[k: string]: string[] | null
|
|
}
|
|
/**
|
|
* 'true' if tiles are transparent and can be overlaid on another source
|
|
*/
|
|
readonly overlay?: boolean & string
|
|
readonly available_projections?: string[]
|
|
readonly attribution?: {
|
|
readonly url?: string
|
|
readonly text?: string
|
|
readonly html?: string
|
|
readonly required?: boolean
|
|
}
|
|
/**
|
|
* A URL for an image, that can be displayed in the list of imagery layers next to the name
|
|
*/
|
|
readonly icon?: string
|
|
/**
|
|
* 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.
|
|
*/
|
|
readonly eula?: string
|
|
/**
|
|
* A URL for an image, that is displayed in the mapview for attribution
|
|
*/
|
|
readonly "logo-image"?: string
|
|
/**
|
|
* Customized text for the terms of use link (default is "Background Terms of Use")
|
|
*/
|
|
readonly "terms-of-use-text"?: string
|
|
/**
|
|
* 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.
|
|
*/
|
|
readonly "no-tile-checksum"?: string
|
|
/**
|
|
* header-name attribute specifies a header returned by tile server, that will be shown as `metadata-key` attribute in Show Tile Info dialog
|
|
*/
|
|
readonly "metadata-header"?: string
|
|
/**
|
|
* Set to `true` if imagery source is properly aligned and does not need imagery offset adjustments. This is used for OSM based sources too.
|
|
*/
|
|
readonly "valid-georeference"?: boolean
|
|
/**
|
|
* Size of individual tiles delivered by a TMS service
|
|
*/
|
|
readonly "tile-size"?: number
|
|
/**
|
|
* Whether tiles status can be accessed by appending /status to the tile URL and can be submitted for re-rendering by appending /dirty.
|
|
*/
|
|
readonly "mod-tile-features"?: string
|
|
/**
|
|
* HTTP headers to be sent to server. It has two attributes header-name and header-value. May be specified multiple times.
|
|
*/
|
|
readonly "custom-http-headers"?: {
|
|
readonly "header-name"?: string
|
|
readonly "header-value"?: string
|
|
}
|
|
/**
|
|
* 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)
|
|
*/
|
|
readonly "default-layers"?: {
|
|
layer?: {
|
|
"layer-name"?: string
|
|
"layer-style"?: string
|
|
[k: string]: unknown
|
|
}
|
|
[k: string]: unknown
|
|
}[]
|
|
/**
|
|
* format to use when connecting tile server (when using WMS_ENDPOINT type)
|
|
*/
|
|
readonly format?: string
|
|
/**
|
|
* If `true` transparent tiles will be requested from WMS server
|
|
*/
|
|
readonly transparent?: boolean & string
|
|
/**
|
|
* minimum expiry time for tiles in seconds. The larger the value, the longer entry in cache will be considered valid
|
|
*/
|
|
readonly "minimum-tile-expire"?: number
|
|
}
|