mapcomplete/Logic/MetaTagging.ts

249 lines
9.4 KiB
TypeScript

import {GeoOperations} from "./GeoOperations";
import CodeGrid from "./Web/CodeGrid";
import State from "../State";
import opening_hours from "opening_hours";
import {And, Or, Tag} from "./Tags";
import {Utils} from "../Utils";
class SimpleMetaTagger {
private _f: (feature: any, index: number) => void;
public readonly keys: string[];
public readonly doc: string;
constructor(keys: string[], doc: string, f: ((feature: any, index: number) => void)) {
this.keys = keys;
this.doc = doc;
this._f = f;
for (const key of keys) {
if (!key.startsWith('_')) {
throw `Incorrect metakey ${key}: it should start with underscore (_)`
}
}
}
addMetaTags(features: any[]) {
for (let i = 0; i < features.length; i++) {
let feature = features[i];
this._f(feature, i);
}
}
}
/**
* Metatagging adds various tags to the elements, e.g. lat, lon, surface area, ...
*
* All metatags start with an underscore
*/
export default class MetaTagging {
private static latlon = new SimpleMetaTagger(["_lat", "_lon"], "The latitude and longitude of the point (or centerpoint in the case of a way/area)",
(feature => {
const centerPoint = GeoOperations.centerpoint(feature);
const lat = centerPoint.geometry.coordinates[1];
const lon = centerPoint.geometry.coordinates[0];
feature.properties["_lat"] = "" + lat;
feature.properties["_lon"] = "" + lon;
})
);
private static surfaceArea = new SimpleMetaTagger(
["_surface", "_surface:ha"], "The surface area of the feature, in square meters and in hectare. Not set on points and ways",
(feature => {
const sqMeters = GeoOperations.surfaceAreaInSqMeters(feature);
feature.properties["_surface"] = "" + sqMeters;
feature.properties["_surface:ha"] = "" + Math.floor(sqMeters / 1000) / 10;
})
);
private static country = new SimpleMetaTagger(
["_country"], "The country code of the point",
((feature, index) => {
const centerPoint = GeoOperations.centerpoint(feature);
const lat = centerPoint.geometry.coordinates[1];
const lon = centerPoint.geometry.coordinates[0]
// But the codegrid SHOULD be a number!
CodeGrid.getCode(lat, lon, (error, code) => {
if (error === null) {
feature.properties["_country"] = code;
// There is a huge performance issue: if there are ~1000 features receiving a ping at the same time,
// The application hangs big time
// So we disable pinging all together
} else {
console.warn("Could not determine country for", feature.properties.id, error);
}
});
})
)
private static isOpen = new SimpleMetaTagger(
["_isOpen", "_isOpen:description"], "If 'opening_hours' is present, it will add the current state of the feature (being 'yes' or 'no",
(feature => {
const tagsSource = State.state.allElements.addOrGetElement(feature);
tagsSource.addCallback(tags => {
if (tags["opening_hours"] !== undefined && tags["_country"] !== undefined) {
if (tags._isOpen !== undefined) {
// Already defined
return;
}
const oh = new opening_hours(tags["opening_hours"], {
lat: tags._lat,
lon: tags._lon,
address: {
country_code: tags._country
}
}, {tag_key: "opening_hours"});
const updateTags = () => {
tags["_isOpen"] = oh.getState() ? "yes" : "no";
const comment = oh.getComment();
if (comment) {
tags["_isOpen:description"] = comment;
}
const nextChange = oh.getNextChange() as Date;
if (nextChange !== undefined) {
window.setTimeout(
updateTags,
(nextChange.getTime() - (new Date()).getTime())
)
}
}
updateTags();
}
})
})
)
public static carriageWayWidth = new SimpleMetaTagger(
["_width:needed","_width:needed:no_pedestrians", "_width:difference"],
"Legacy for a specific project calculating the needed width for safe traffic on a road",
(feature: any, index: number) => {
const carWidth = 2;
const cyclistWidth = 1.5;
const pedestrianWidth = 0.75;
const properties = feature.properties;
const _leftSideParking =
new And([new Tag("parking:lane:left", "parallel"), new Tag("parking:lane:right", "no_parking")]);
const _rightSideParking =
new And([new Tag("parking:lane:right", "parallel"), new Tag("parking:lane:left", "no_parking")]);
const _bothSideParking = new Tag("parking:lane:both", "parallel");
const _noSideParking = new Tag("parking:lane:both", "no_parking");
const _otherParkingMode =
new Or([
new Tag("parking:lane:both", "perpendicular"),
new Tag("parking:lane:left", "perpendicular"),
new Tag("parking:lane:right", "perpendicular"),
new Tag("parking:lane:both", "diagonal"),
new Tag("parking:lane:left", "diagonal"),
new Tag("parking:lane:right", "diagonal"),
])
const _sidewalkBoth = new Tag("sidewalk", "both");
const _sidewalkLeft = new Tag("sidewalk", "left");
const _sidewalkRight = new Tag("sidewalk", "right");
const _sidewalkNone = new Tag("sidewalk", "none");
let parkingStateKnown = true;
let parallelParkingCount = 0;
const _oneSideParking = new Or([_leftSideParking, _rightSideParking]);
if (_oneSideParking.matchesProperties(properties)) {
parallelParkingCount = 1;
} else if (_bothSideParking.matchesProperties(properties)) {
parallelParkingCount = 2;
} else if (_noSideParking.matchesProperties(properties)) {
parallelParkingCount = 0;
} else if (_otherParkingMode.matchesProperties(properties)) {
parallelParkingCount = 0;
} else {
parkingStateKnown = false;
console.log("No parking data for ", properties.name, properties.id, properties)
}
let pedestrianFlowNeeded;
if (_sidewalkBoth.matchesProperties(properties)) {
pedestrianFlowNeeded = 0;
} else if (_sidewalkNone.matchesProperties(properties)) {
pedestrianFlowNeeded = 2;
} else if (_sidewalkLeft.matchesProperties(properties) || _sidewalkRight.matchesProperties(properties)) {
pedestrianFlowNeeded = 1;
} else {
pedestrianFlowNeeded = -1;
}
let onewayCar = properties.oneway === "yes";
let onewayBike = properties["oneway:bicycle"] === "yes" ||
(onewayCar && properties["oneway:bicycle"] === undefined)
let cyclingAllowed =
!(properties.bicycle === "use_sidepath"
|| properties.bicycle === "no");
let carWidthUsed = (onewayCar ? 1 : 2) * carWidth;
properties["_width:needed:cars"] = Utils.Round(carWidthUsed);
properties["_width:needed:parking"] = Utils.Round(parallelParkingCount * carWidth)
let cyclistWidthUsed = 0;
if (cyclingAllowed) {
cyclistWidthUsed = (onewayBike ? 1 : 2) * cyclistWidth;
}
properties["_width:needed:cyclists"] = Utils.Round(cyclistWidthUsed)
const width = parseFloat(properties["width:carriageway"]);
const targetWidthIgnoringPedestrians =
carWidthUsed +
cyclistWidthUsed +
parallelParkingCount * carWidthUsed;
properties["_width:needed:no_pedestrians"] =Utils.Round(targetWidthIgnoringPedestrians);
const pedestriansNeed = Math.max(0, pedestrianFlowNeeded) * pedestrianWidth;
const targetWidth = targetWidthIgnoringPedestrians + pedestriansNeed ;
properties["_width:needed"] = Utils.Round(targetWidth);
properties["_width:needed:pedestrians"] = Utils.Round(pedestriansNeed)
properties["_width:difference"] = Utils.Round(targetWidth - width );
properties["_width:difference:no_pedestrians"] = Utils.Round(targetWidthIgnoringPedestrians - width) ;
}
);
public static metatags = [
MetaTagging.latlon,
MetaTagging.surfaceArea,
MetaTagging.country,
MetaTagging.isOpen,
MetaTagging.carriageWayWidth
];
static addMetatags(features: any[]) {
for (const metatag of MetaTagging.metatags) {
metatag.addMetaTags(features);
}
}
}