289 lines
11 KiB
TypeScript
289 lines
11 KiB
TypeScript
import {GeoOperations} from "./GeoOperations";
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import State from "../State";
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import opening_hours from "opening_hours";
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import {And, Or, Tag} from "./Tags";
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import {Utils} from "../Utils";
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import CountryCoder from "latlon2country"
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class SimpleMetaTagger {
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private _f: (feature: any, index: number) => void;
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public readonly keys: string[];
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public readonly doc: string;
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constructor(keys: string[], doc: string, f: ((feature: any, index: number) => void)) {
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this.keys = keys;
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this.doc = doc;
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this._f = f;
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for (const key of 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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addMetaTags(features: any[]) {
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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, i);
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}
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}
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}
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/**
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* Metatagging adds various tags to the elements, e.g. lat, lon, surface area, ...
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*
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* All metatags start with an underscore
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*/
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export default class MetaTagging {
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private static latlon = new SimpleMetaTagger(["_lat", "_lon"], "The latitude and longitude of the point (or centerpoint in the case of a way/area)",
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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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})
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);
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private static surfaceArea = new SimpleMetaTagger(
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["_surface", "_surface:ha"], "The surface area of the feature, in square meters and in hectare. Not set on points and ways",
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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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})
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);
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private static country = new SimpleMetaTagger(
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["_country"], "The country code of the property (with latlon2country)",
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(feature, index) => {
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const coder = new CountryCoder("https://pietervdvn.github.io/latlon2country/");
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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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coder.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.getEventSourceFor(feature);
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tagsSource.ping();
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} catch (e) {
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console.error(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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["_isOpen", "_isOpen:description"],
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"If 'opening_hours' is present, it will add the current state of the feature (being 'yes' or 'no')",
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(feature => {
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const tagsSource = State.state.allElements.getEventSourceFor(feature);
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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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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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window.setTimeout(
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updateTags,
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(nextChange.getTime() - (new Date()).getTime())
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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.error(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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["_direction:simplified", "_direction:leftright"], "_direction:simplified turns 'camera:direction' and 'direction' into either 0, 45, 90, 135, 180, 225, 270 or 315, whichever is closest. _direction:leftright is either 'left' or 'right', which is left-looking on the map or 'right-looking' on the map",
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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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let n = Number(direction);
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if (isNaN(n)) {
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return;
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}
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// [22.5 -> 67.5] is sector 1
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// [67.5 -> ] is sector 1
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n = (n + 22.5) % 360;
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n = Math.floor(n / 45);
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tags["_direction:simplified"] = n;
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tags["_direction:leftright"] = n <= 3 ? "right" : "left";
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})
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)
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private static carriageWayWidth = new SimpleMetaTagger(
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["_width:needed", "_width:needed:no_pedestrians", "_width:difference"],
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"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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(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 parkingStateKnown = true;
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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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parkingStateKnown = false;
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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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public static metatags = [
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MetaTagging.latlon,
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MetaTagging.surfaceArea,
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MetaTagging.country,
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MetaTagging.isOpen,
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MetaTagging.carriageWayWidth,
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MetaTagging.directionSimplified
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];
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static addMetatags(features: any[]) {
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for (const metatag of MetaTagging.metatags) {
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try {
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metatag.addMetaTags(features);
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} catch (e) {
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console.error("Could not calculate metatag for ", metatag.keys.join(","), ":", e)
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}
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}
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}
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}
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