mapcomplete/scripts/postal_code_tools/createRoutablePoint.ts

92 lines
No EOL
3.5 KiB
TypeScript

import {appendFileSync, existsSync, readFileSync, writeFileSync} from "fs";
import {GeoOperations} from "../../Logic/GeoOperations";
import ScriptUtils from "../ScriptUtils";
import {Utils} from "../../Utils";
async function main(args: string[]) {
ScriptUtils.fixUtils()
const pointCandidates = JSON.parse(readFileSync(args[0], "utf8"))
const postcodes = JSON.parse(readFileSync(args[1], "utf8"))
const output = args[2] ?? "centralCoordinates.csv"
const perPostCode = new Map<string, any[]>()
const alreadyLoaded = new Set<number>()
if (existsSync(output)) {
const lines = readFileSync(output, "UTF8").split("\n")
lines.shift()
lines.forEach(line => {
const postalCode = Number(line.split(",")[0])
alreadyLoaded.add(postalCode)
})
} else {
writeFileSync(output, "postal_code,lon,lat\n", "UTF-8")
}
for (const boundary of postcodes.features) {
const postcode = boundary.properties.nouveau_PO
if (alreadyLoaded.has(Number(postcode))) {
console.log("Skipping ", postcode, "as already loaded")
continue
}
if (perPostCode.has(postcode)) {
perPostCode.get(postcode).push(boundary)
} else {
perPostCode.set(postcode, [boundary])
}
}
for (const postcode of Array.from(perPostCode.keys())) {
const boundaries = perPostCode.get(postcode)
const candidates = []
for (const boundary of boundaries) {
for (const candidate of pointCandidates.features) {
if (!GeoOperations.inside(candidate, boundary)) {
// console.log(JSON.stringify(candidate))
continue
}
candidates.push(candidate.geometry.coordinates)
}
}
if (candidates.length === 0) {
console.log("Postcode ", postcode, "has", candidates.length, "candidates, using centerpoint instead")
candidates.push(...boundaries.map(boundary => GeoOperations.centerpointCoordinates(boundary)))
}
const url = "https://staging.anyways.eu/routing-api/v1/routes?access_token=postal_code_script&turn_by_turn=false&format=geojson&language=en"
const depPoints: [number, number][] = Utils.NoNull(await Promise.all(candidates.map(async candidate => {
try {
const result = await Utils.downloadJson(url + "&loc=" + candidate.join("%2C") + "&loc=3.22000%2C51.21577&profile=car.short")
const depPoint = result.features.filter(f => f.geometry.type === "LineString")[0].geometry.coordinates[0]
return <[number, number]>[depPoint[0], depPoint[1]] // Drop elevation
} catch (e) {
console.error("No result or could not calculate a route")
}
})))
const centers = boundaries.map(b => GeoOperations.centerpointCoordinates(b))
const center = GeoOperations.centerpointCoordinates({
type: "Feature",
geometry: {
type: "LineString",
coordinates: centers
}
})
depPoints.sort((c0, c1) => GeoOperations.distanceBetween(c0, center) - GeoOperations.distanceBetween(c1, center))
console.log("Sorted departure point candidates for ", postcode, " are ", JSON.stringify(depPoints))
appendFileSync(output, [postcode, ...depPoints[0]].join(", ") + "\n", "UTF-8")
}
}
let args = [...process.argv]
args.splice(0, 2)
main(args).then(_ => console.log("Done!"))