mapcomplete/scripts/postal_code_tools/createRoutablePoint.ts
2023-01-17 00:50:42 +01:00

113 lines
4.1 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, { encoding: "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", { encoding: "utf8" })
}
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", { encoding: "utf8" })
}
}
let args = [...process.argv]
args.splice(0, 2)
main(args).then((_) => console.log("Done!"))