317 lines
12 KiB
TypeScript
317 lines
12 KiB
TypeScript
import {GeoOperations} from "./GeoOperations";
|
|
import State from "../State";
|
|
import opening_hours from "opening_hours";
|
|
import {And, Or, Tag} from "./Tags";
|
|
import {Utils} from "../Utils";
|
|
import CountryCoder from "latlon2country"
|
|
|
|
class SimpleMetaTagger {
|
|
public readonly keys: string[];
|
|
public readonly doc: string;
|
|
private _f: (feature: any, index: number) => void;
|
|
|
|
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 property (with latlon2country)",
|
|
(feature, index) => {
|
|
|
|
const coder = new CountryCoder("https://pietervdvn.github.io/latlon2country/");
|
|
|
|
let centerPoint: any = GeoOperations.centerpoint(feature);
|
|
const lat = centerPoint.geometry.coordinates[1];
|
|
const lon = centerPoint.geometry.coordinates[0];
|
|
coder.GetCountryCodeFor(lon, lat, (countries) => {
|
|
try {
|
|
feature.properties["_country"] = countries[0].trim().toLowerCase();
|
|
const tagsSource = State.state.allElements.getEventSourceFor(feature);
|
|
tagsSource.ping();
|
|
} catch (e) {
|
|
console.warn(e)
|
|
}
|
|
});
|
|
}
|
|
)
|
|
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.getEventSourceFor(feature);
|
|
tagsSource.addCallbackAndRun(tags => {
|
|
if (tags.opening_hours === undefined || tags._country === undefined) {
|
|
return;
|
|
}
|
|
try {
|
|
|
|
const oh = new opening_hours(tags["opening_hours"], {
|
|
lat: tags._lat,
|
|
lon: tags._lon,
|
|
address: {
|
|
country_code: tags._country.toLowerCase()
|
|
}
|
|
}, {tag_key: "opening_hours"});
|
|
// AUtomatically triggered on the next change
|
|
const updateTags = () => {
|
|
const oldValueIsOpen = tags["_isOpen"];
|
|
const oldNextChange =tags["_isOpen:nextTrigger"] ?? 0;
|
|
|
|
if(oldNextChange > (new Date()).getTime() &&
|
|
tags["_isOpen:oldvalue"] === tags["opening_hours"]){
|
|
// Already calculated and should not yet be triggered
|
|
return;
|
|
}
|
|
|
|
tags["_isOpen"] = oh.getState() ? "yes" : "no";
|
|
const comment = oh.getComment();
|
|
if (comment) {
|
|
tags["_isOpen:description"] = comment;
|
|
}
|
|
|
|
if (oldValueIsOpen !== tags._isOpen) {
|
|
tagsSource.ping();
|
|
}
|
|
|
|
const nextChange = oh.getNextChange();
|
|
if (nextChange !== undefined) {
|
|
const timeout = nextChange.getTime() - (new Date()).getTime();
|
|
tags["_isOpen:nextTrigger"] = nextChange.getTime();
|
|
tags["_isOpen:oldvalue"] = tags.opening_hours
|
|
window.setTimeout(
|
|
() => {
|
|
console.log("Updating the _isOpen tag for ", tags.id, ", it's timer expired after", timeout);
|
|
updateTags();
|
|
},
|
|
timeout
|
|
)
|
|
}
|
|
}
|
|
updateTags();
|
|
} catch (e) {
|
|
console.warn("Error while parsing opening hours of ", tags.id, e);
|
|
tags["_isOpen"] = "parse_error";
|
|
}
|
|
|
|
})
|
|
})
|
|
)
|
|
|
|
private static directionSimplified = new SimpleMetaTagger(
|
|
["_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",
|
|
(feature => {
|
|
const tags = feature.properties;
|
|
const direction = tags["camera:direction"] ?? tags["direction"];
|
|
if (direction === undefined) {
|
|
return;
|
|
}
|
|
let n = Number(direction);
|
|
if (isNaN(n)) {
|
|
return;
|
|
}
|
|
|
|
// [22.5 -> 67.5] is sector 1
|
|
// [67.5 -> ] is sector 1
|
|
n = (n + 22.5) % 360;
|
|
n = Math.floor(n / 45);
|
|
tags["_direction:simplified"] = n;
|
|
tags["_direction:leftright"] = n <= 3 ? "right" : "left";
|
|
|
|
|
|
})
|
|
)
|
|
|
|
private 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. Only activated if 'width:carriageway' is present",
|
|
(feature: any, index: number) => {
|
|
|
|
const properties = feature.properties;
|
|
if (properties["width:carriageway"] === undefined) {
|
|
return;
|
|
}
|
|
|
|
const carWidth = 2;
|
|
const cyclistWidth = 1.5;
|
|
const pedestrianWidth = 0.75;
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
);
|
|
|
|
private static currentTime = new SimpleMetaTagger(
|
|
["_date:now"],
|
|
"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",
|
|
feature => {
|
|
const now = new Date();
|
|
// @ts-ignore
|
|
feature.properties["_date:now"] = now.toISOString().splice(0,-5).replace("T", " ");
|
|
}
|
|
)
|
|
|
|
private static metatags = [
|
|
MetaTagging.latlon,
|
|
MetaTagging.surfaceArea,
|
|
MetaTagging.country,
|
|
MetaTagging.isOpen,
|
|
MetaTagging.carriageWayWidth,
|
|
MetaTagging.directionSimplified,
|
|
// MetaTagging.currentTime
|
|
|
|
];
|
|
|
|
/**
|
|
* An actor which adds metatags on every feature in the given object
|
|
* The features are a list of geojson-features, with a "properties"-field and geometry
|
|
*/
|
|
static addMetatags(features: any[]) {
|
|
|
|
for (const metatag of MetaTagging.metatags) {
|
|
try {
|
|
metatag.addMetaTags(features);
|
|
} catch (e) {
|
|
console.error("Could not calculate metatag for ", metatag.keys.join(","), ":", e)
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|