forked from MapComplete/MapComplete
410 lines
16 KiB
TypeScript
410 lines
16 KiB
TypeScript
import {GeoOperations} from "./GeoOperations";
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import State from "../State";
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import {And} from "./Tags/And";
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import {Tag} from "./Tags/Tag";
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import {Or} from "./Tags/Or";
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import {Utils} from "../Utils";
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import opening_hours from "opening_hours";
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import {UIElement} from "../UI/UIElement";
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import Combine from "../UI/Base/Combine";
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const cardinalDirections = {
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N: 0, NNE: 22.5, NE: 45, ENE: 67.5,
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E: 90, ESE: 112.5, SE: 135, SSE: 157.5,
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S: 180, SSW: 202.5, SW: 225, WSW: 247.5,
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W: 270, WNW: 292.5, NW: 315, NNW: 337.5
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}
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export default class SimpleMetaTagger {
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static coder: any;
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public static readonly objectMetaInfo = new SimpleMetaTagger(
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{
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keys: ["_last_edit:contributor",
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"_last_edit:contributor:uid",
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"_last_edit:changeset",
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"_last_edit:timestamp",
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"_version_number"],
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doc: "Information about the last edit of this object."
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},
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(feature) => {/*Note: also handled by 'UpdateTagsFromOsmAPI'*/
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const tgs = feature.properties;
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function move(src: string, target: string){
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if(tgs[src] === undefined){
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return;
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}
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tgs[target] = tgs[src]
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delete tgs[src]
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}
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move("user","_last_edit:contributor")
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move("uid","_last_edit:contributor:uid")
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move("changeset","_last_edit:changeset")
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move("timestamp","_last_edit:timestamp")
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move("version","_version_number")
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}
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)
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private static latlon = new SimpleMetaTagger({
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keys: ["_lat", "_lon"],
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doc: "The latitude and longitude of the point (or centerpoint in the case of a way/area)"
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},
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(feature => {
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const centerPoint = GeoOperations.centerpoint(feature);
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const lat = centerPoint.geometry.coordinates[1];
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const lon = centerPoint.geometry.coordinates[0];
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feature.properties["_lat"] = "" + lat;
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feature.properties["_lon"] = "" + lon;
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feature._lon = lon; // This is dirty, I know
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feature._lat = lat;
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})
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);
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private static surfaceArea = new SimpleMetaTagger(
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{
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keys: ["_surface", "_surface:ha"],
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doc: "The surface area of the feature, in square meters and in hectare. Not set on points and ways"
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},
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(feature => {
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const sqMeters = GeoOperations.surfaceAreaInSqMeters(feature);
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feature.properties["_surface"] = "" + sqMeters;
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feature.properties["_surface:ha"] = "" + Math.floor(sqMeters / 1000) / 10;
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feature.area = sqMeters;
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})
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);
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private static lngth = new SimpleMetaTagger(
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{
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keys: ["_length", "_length:km"],
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doc: "The total length of a feature in meters (and in kilometers, rounded to one decimal for '_length:km'). For a surface, the length of the perimeter"
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},
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(feature => {
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const l = GeoOperations.lengthInMeters(feature)
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feature.properties["_length"] = "" + l
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const km = Math.floor(l / 1000)
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const kmRest = Math.round((l - km * 1000) / 100)
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feature.properties["_length:km"] = "" + km + "." + kmRest
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})
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)
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private static country = new SimpleMetaTagger(
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{
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keys: ["_country"],
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doc: "The country code of the property (with latlon2country)"
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},
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feature => {
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let centerPoint: any = GeoOperations.centerpoint(feature);
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const lat = centerPoint.geometry.coordinates[1];
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const lon = centerPoint.geometry.coordinates[0];
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SimpleMetaTagger.GetCountryCodeFor(lon, lat, (countries) => {
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try {
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feature.properties["_country"] = countries[0].trim().toLowerCase();
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const tagsSource = State.state.allElements.getEventSourceById(feature.properties.id);
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tagsSource.ping();
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} catch (e) {
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console.warn(e)
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}
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});
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}
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)
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private static isOpen = new SimpleMetaTagger(
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{
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keys: ["_isOpen", "_isOpen:description"],
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doc: "If 'opening_hours' is present, it will add the current state of the feature (being 'yes' or 'no')",
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includesDates: true
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},
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(feature => {
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if (Utils.runningFromConsole) {
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// We are running from console, thus probably creating a cache
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// isOpen is irrelevant
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return
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}
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const tagsSource = State.state.allElements.getEventSourceById(feature.properties.id);
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tagsSource.addCallbackAndRun(tags => {
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if (tags.opening_hours === undefined || tags._country === undefined) {
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return;
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}
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try {
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const oh = new opening_hours(tags["opening_hours"], {
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lat: tags._lat,
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lon: tags._lon,
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address: {
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country_code: tags._country.toLowerCase()
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}
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}, {tag_key: "opening_hours"});
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// AUtomatically triggered on the next change
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const updateTags = () => {
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const oldValueIsOpen = tags["_isOpen"];
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const oldNextChange = tags["_isOpen:nextTrigger"] ?? 0;
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if (oldNextChange > (new Date()).getTime() &&
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tags["_isOpen:oldvalue"] === tags["opening_hours"]) {
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// Already calculated and should not yet be triggered
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return;
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}
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tags["_isOpen"] = oh.getState() ? "yes" : "no";
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const comment = oh.getComment();
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if (comment) {
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tags["_isOpen:description"] = comment;
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}
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if (oldValueIsOpen !== tags._isOpen) {
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tagsSource.ping();
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}
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const nextChange = oh.getNextChange();
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if (nextChange !== undefined) {
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const timeout = nextChange.getTime() - (new Date()).getTime();
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tags["_isOpen:nextTrigger"] = nextChange.getTime();
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tags["_isOpen:oldvalue"] = tags.opening_hours
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window.setTimeout(
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() => {
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console.log("Updating the _isOpen tag for ", tags.id, ", it's timer expired after", timeout);
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updateTags();
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},
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timeout
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)
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}
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}
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updateTags();
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} catch (e) {
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console.warn("Error while parsing opening hours of ", tags.id, e);
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tags["_isOpen"] = "parse_error";
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}
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})
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})
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)
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private static directionSimplified = new SimpleMetaTagger(
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{
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keys: ["_direction:numerical", "_direction:leftright"],
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doc: "_direction:numerical is a normalized, numerical direction based on 'camera:direction' or on 'direction'; it is only present if a valid direction is found (e.g. 38.5 or NE). _direction:leftright is either 'left' or 'right', which is left-looking on the map or 'right-looking' on the map"
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},
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(feature => {
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const tags = feature.properties;
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const direction = tags["camera:direction"] ?? tags["direction"];
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if (direction === undefined) {
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return;
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}
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const n = cardinalDirections[direction] ?? Number(direction);
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if (isNaN(n)) {
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return;
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}
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// The % operator has range (-360, 360). We apply a trick to get [0, 360).
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const normalized = ((n % 360) + 360) % 360;
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tags["_direction:numerical"] = normalized;
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tags["_direction:leftright"] = normalized <= 180 ? "right" : "left";
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})
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)
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private static carriageWayWidth = new SimpleMetaTagger(
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{
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keys: ["_width:needed", "_width:needed:no_pedestrians", "_width:difference"],
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doc: "Legacy for a specific project calculating the needed width for safe traffic on a road. Only activated if 'width:carriageway' is present"
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},
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(feature: any, index: number) => {
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const properties = feature.properties;
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if (properties["width:carriageway"] === undefined) {
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return;
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}
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const carWidth = 2;
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const cyclistWidth = 1.5;
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const pedestrianWidth = 0.75;
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const _leftSideParking =
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new And([new Tag("parking:lane:left", "parallel"), new Tag("parking:lane:right", "no_parking")]);
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const _rightSideParking =
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new And([new Tag("parking:lane:right", "parallel"), new Tag("parking:lane:left", "no_parking")]);
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const _bothSideParking = new Tag("parking:lane:both", "parallel");
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const _noSideParking = new Tag("parking:lane:both", "no_parking");
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const _otherParkingMode =
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new Or([
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new Tag("parking:lane:both", "perpendicular"),
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new Tag("parking:lane:left", "perpendicular"),
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new Tag("parking:lane:right", "perpendicular"),
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new Tag("parking:lane:both", "diagonal"),
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new Tag("parking:lane:left", "diagonal"),
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new Tag("parking:lane:right", "diagonal"),
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])
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const _sidewalkBoth = new Tag("sidewalk", "both");
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const _sidewalkLeft = new Tag("sidewalk", "left");
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const _sidewalkRight = new Tag("sidewalk", "right");
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const _sidewalkNone = new Tag("sidewalk", "none");
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let parallelParkingCount = 0;
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const _oneSideParking = new Or([_leftSideParking, _rightSideParking]);
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if (_oneSideParking.matchesProperties(properties)) {
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parallelParkingCount = 1;
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} else if (_bothSideParking.matchesProperties(properties)) {
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parallelParkingCount = 2;
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} else if (_noSideParking.matchesProperties(properties)) {
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parallelParkingCount = 0;
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} else if (_otherParkingMode.matchesProperties(properties)) {
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parallelParkingCount = 0;
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} else {
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console.log("No parking data for ", properties.name, properties.id, properties)
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}
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let pedestrianFlowNeeded;
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if (_sidewalkBoth.matchesProperties(properties)) {
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pedestrianFlowNeeded = 0;
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} else if (_sidewalkNone.matchesProperties(properties)) {
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pedestrianFlowNeeded = 2;
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} else if (_sidewalkLeft.matchesProperties(properties) || _sidewalkRight.matchesProperties(properties)) {
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pedestrianFlowNeeded = 1;
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} else {
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pedestrianFlowNeeded = -1;
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}
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let onewayCar = properties.oneway === "yes";
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let onewayBike = properties["oneway:bicycle"] === "yes" ||
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(onewayCar && properties["oneway:bicycle"] === undefined)
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let cyclingAllowed =
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!(properties.bicycle === "use_sidepath"
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|| properties.bicycle === "no");
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let carWidthUsed = (onewayCar ? 1 : 2) * carWidth;
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properties["_width:needed:cars"] = Utils.Round(carWidthUsed);
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properties["_width:needed:parking"] = Utils.Round(parallelParkingCount * carWidth)
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let cyclistWidthUsed = 0;
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if (cyclingAllowed) {
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cyclistWidthUsed = (onewayBike ? 1 : 2) * cyclistWidth;
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}
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properties["_width:needed:cyclists"] = Utils.Round(cyclistWidthUsed)
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const width = parseFloat(properties["width:carriageway"]);
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const targetWidthIgnoringPedestrians =
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carWidthUsed +
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cyclistWidthUsed +
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parallelParkingCount * carWidthUsed;
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properties["_width:needed:no_pedestrians"] = Utils.Round(targetWidthIgnoringPedestrians);
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const pedestriansNeed = Math.max(0, pedestrianFlowNeeded) * pedestrianWidth;
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const targetWidth = targetWidthIgnoringPedestrians + pedestriansNeed;
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properties["_width:needed"] = Utils.Round(targetWidth);
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properties["_width:needed:pedestrians"] = Utils.Round(pedestriansNeed)
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properties["_width:difference"] = Utils.Round(targetWidth - width);
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properties["_width:difference:no_pedestrians"] = Utils.Round(targetWidthIgnoringPedestrians - width);
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}
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);
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private static currentTime = new SimpleMetaTagger(
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{
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keys: ["_now:date", "_now:datetime", "_loaded:date", "_loaded:_datetime"],
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doc: "Adds the time that the data got loaded - pretty much the time of downloading from overpass. The format is YYYY-MM-DD hh:mm, aka 'sortable' aka ISO-8601-but-not-entirely",
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includesDates: true
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},
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(feature, _, freshness) => {
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const now = new Date();
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if (typeof freshness === "string") {
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freshness = new Date(freshness)
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}
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function date(d: Date) {
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return d.toISOString().slice(0, 10);
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}
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function datetime(d: Date) {
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return d.toISOString().slice(0, -5).replace("T", " ");
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}
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feature.properties["_now:date"] = date(now);
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feature.properties["_now:datetime"] = datetime(now);
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feature.properties["_loaded:date"] = date(freshness);
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feature.properties["_loaded:datetime"] = datetime(freshness);
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}
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)
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public static metatags = [
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SimpleMetaTagger.latlon,
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SimpleMetaTagger.surfaceArea,
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SimpleMetaTagger.lngth,
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SimpleMetaTagger.country,
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SimpleMetaTagger.isOpen,
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SimpleMetaTagger.carriageWayWidth,
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SimpleMetaTagger.directionSimplified,
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SimpleMetaTagger.currentTime,
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SimpleMetaTagger.objectMetaInfo
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];
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public readonly keys: string[];
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public readonly doc: string;
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public readonly includesDates: boolean
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private readonly _f: (feature: any, index: number, freshness: Date) => void;
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constructor(docs: { keys: string[], doc: string, includesDates?: boolean }, f: ((feature: any, index: number, freshness: Date) => void)) {
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this.keys = docs.keys;
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this.doc = docs.doc;
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this._f = f;
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this.includesDates = docs.includesDates ?? false;
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for (const key of docs.keys) {
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if (!key.startsWith('_')) {
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throw `Incorrect metakey ${key}: it should start with underscore (_)`
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}
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}
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}
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static GetCountryCodeFor(lon: number, lat: number, callback: (country: string) => void) {
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SimpleMetaTagger.coder?.GetCountryCodeFor(lon, lat, callback)
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}
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static HelpText(): UIElement {
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const subElements: UIElement[] = [
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new Combine([
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"<h2>Metatags</h2>",
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"<p>Metatags are extra tags available, in order to display more data or to give better questions.</p>",
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"<p>The are calculated automatically on every feature when the data arrives in the webbrowser. This document gives an overview of the available metatags.</p>",
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"<p><b>Hint:</b> when using metatags, add the <a href='URL_Parameters.md'>query parameter</a> <code>debug=true</code> to the URL. This will include a box in the popup for features which shows all the properties of the object</p>"
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])
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];
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for (const metatag of SimpleMetaTagger.metatags) {
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subElements.push(
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new Combine([
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"<h3>", metatag.keys.join(", "), "</h3>",
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metatag.doc]
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)
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)
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}
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return new Combine(subElements)
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}
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addMetaTags(features: { feature: any, freshness: Date }[]) {
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for (let i = 0; i < features.length; i++) {
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let feature = features[i];
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this._f(feature.feature, i, feature.freshness);
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}
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}
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}
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