forked from MapComplete/MapComplete
47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
/**
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* Generates an overview for which tiles exist and which don't
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*/
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import ScriptUtils from "./ScriptUtils"
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import { writeFileSync } from "fs"
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function main(args: string[]) {
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const directory = args[0]
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let zoomLevel = args[1]
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const files = ScriptUtils.readDirRecSync(directory, 1).filter((f) => f.endsWith(".geojson"))
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const indices /* Map<string, number[]>*/ = {}
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for (const path of files) {
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const match = path.match(".*_([0-9]*)_([0-9]*)_([0-9]*).geojson")
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if (match === null) {
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continue
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}
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const z = match[1]
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if (zoomLevel === undefined) {
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zoomLevel = z
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} else if (zoomLevel !== z) {
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throw "Mixed zoomlevels detected"
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}
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const x = match[2]
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const y = match[3]
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if (indices[x] === undefined) {
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indices[x] = []
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}
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indices[x].push(Number(y))
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}
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indices["zoom"] = zoomLevel
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const match = files[0].match("(.*)_([0-9]*)_([0-9]*)_([0-9]*).geojson")
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const path = match[1] + "_" + zoomLevel + "_overview.json"
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writeFileSync(path, JSON.stringify(indices))
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console.log("Written overview for", files.length, " tiles at", path)
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}
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let args = [...process.argv]
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args.splice(0, 2)
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args.forEach((file) => {
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try {
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main(args)
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} catch (e) {
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console.error("Could not handle file ", file, " due to ", e)
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}
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})
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