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84ce00d026
Adds India (IN) to country-boundary-overrides.geojson using the same Natural Earth 50m Admin 0 Countries dataset already used for Pakistan. The override system automatically replaces the base geometry on app load, providing a higher-resolution MultiPolygon boundary (1518 points). Renames the fetch script to reflect its broader purpose and updates doc references in CONTRIBUTING.md and maps-and-geocoding.mdx. Fixes koala73/worldmonitor#1721 Co-authored-by: stablegenius49 <185121704+stablegenius49@users.noreply.github.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> Co-authored-by: Elie Habib <elie.habib@gmail.com>
71 lines
2.5 KiB
JavaScript
71 lines
2.5 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Fetches country boundaries from Natural Earth 50m Admin 0 Countries and writes
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* country-boundary-overrides.geojson locally. After running, upload to R2:
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* rclone copy public/data/country-boundary-overrides.geojson r2:worldmonitor-maps/
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*
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* Currently extracts: Pakistan (PK), India (IN)
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*
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* Note: downloads the full NE 50m countries file (~24 MB) to extract boundaries.
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*
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* Usage: node scripts/fetch-country-boundary-overrides.mjs
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* Requires network access.
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*/
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import { writeFileSync, mkdirSync } from 'node:fs';
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import { fileURLToPath } from 'node:url';
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import { dirname, join } from 'node:path';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const NE_50M_URL = 'https://raw.githubusercontent.com/nvkelso/natural-earth-vector/master/geojson/ne_50m_admin_0_countries.geojson';
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const OUT_DIR = join(__dirname, '..', 'public', 'data');
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const OUT_FILE = join(OUT_DIR, 'country-boundary-overrides.geojson');
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/** Countries to extract from Natural Earth and include as boundary overrides. */
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const OVERRIDE_COUNTRIES = [
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{ iso2: 'PK', iso3: 'PAK', name: 'Pakistan' },
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{ iso2: 'IN', iso3: 'IND', name: 'India' },
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];
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async function main() {
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console.log('Fetching Natural Earth 50m countries...');
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const resp = await fetch(NE_50M_URL, { signal: AbortSignal.timeout(60_000) });
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if (!resp.ok) {
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throw new Error(`Fetch failed: ${resp.status} ${resp.statusText}`);
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}
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const data = await resp.json();
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if (!data?.features?.length) {
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throw new Error('Invalid GeoJSON: no features');
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}
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const features = [];
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for (const country of OVERRIDE_COUNTRIES) {
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const feature = data.features.find(
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(f) => f.properties?.ISO_A2 === country.iso2 || f.properties?.['ISO3166-1-Alpha-2'] === country.iso2,
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);
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if (!feature) {
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throw new Error(`${country.name} (${country.iso2}) feature not found in Natural Earth data`);
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}
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features.push({
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type: 'Feature',
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properties: {
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name: country.name,
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'ISO3166-1-Alpha-2': country.iso2,
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'ISO3166-1-Alpha-3': country.iso3,
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},
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geometry: feature.geometry,
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});
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console.log(`Extracted ${country.name} (${country.iso2})`);
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}
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const override = { type: 'FeatureCollection', features };
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mkdirSync(OUT_DIR, { recursive: true });
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writeFileSync(OUT_FILE, JSON.stringify(override) + '\n', 'utf8');
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console.log('Wrote', OUT_FILE, `(${features.length} countries)`);
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}
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main().catch((err) => {
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console.error(err);
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process.exit(1);
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});
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