// Test script to check Valhalla isochrone functionality and save as GeoJSON
import axios from 'axios';
import fs from 'fs';
import path from 'path';
async function testValhalla() {
const testLocation = {
latitude: 19.999644,
longitude: 73.78963
};
const contours = [
{ time: 5 },
{ time: 10 },
{ time: 15 }
];
// Test with public Valhalla instance
const publicValhallaUrl = 'https://valhalla1.openstreetmap.de';
console.log('Testing Valhalla isochrone...');
console.log(`Location: ${testLocation.latitude}, ${testLocation.longitude}`);
console.log(`Contours: ${contours.map(c => `${c.time} min`).join(', ')}`);
console.log(`Using public instance: ${publicValhallaUrl}\n`);
try {
const requestBody = {
locations: [{ lat: testLocation.latitude, lon: testLocation.longitude }],
costing: 'auto',
contours: contours,
polygons: true
};
const response = await axios.get(`${publicValhallaUrl}/isochrone`, {
params: {
json: JSON.stringify(requestBody)
},
timeout: 30000
});
console.log('✅ SUCCESS: Valhalla isochrone request succeeded!');
console.log(`Response status: ${response.status}`);
console.log(`Features returned: ${response.data.features?.length || 0}`);
if (response.data.features && response.data.features.length > 0) {
console.log('\nContour details:');
response.data.features.forEach((feature, index) => {
const contour = feature.properties?.contour;
const metric = feature.properties?.metric;
console.log(` Contour ${index + 1}: ${contour} ${metric} (${feature.geometry.type})`);
});
}
// Save as GeoJSON file
const geojson = {
type: 'FeatureCollection',
features: response.data.features || [],
properties: {
center: {
latitude: testLocation.latitude,
longitude: testLocation.longitude
},
costing: 'auto',
contours: contours,
generated_at: new Date().toISOString(),
source: 'Valhalla isochrone API'
}
};
const outputPath = path.join(process.cwd(), 'valhalla-isochrone-example.geojson');
fs.writeFileSync(outputPath, JSON.stringify(geojson, null, 2));
console.log(`\n💾 GeoJSON saved to: ${outputPath}`);
return true;
} catch (error) {
console.error('❌ FAILED: Valhalla isochrone request failed');
if (error.response) {
console.error(`Status: ${error.response.status}`);
console.error(`Error: ${JSON.stringify(error.response.data, null, 2)}`);
} else if (error.request) {
console.error('Network error: Unable to reach Valhalla server');
} else {
console.error(`Error: ${error.message}`);
}
return false;
}
}
testValhalla()
.then(success => {
process.exit(success ? 0 : 1);
})
.catch(error => {
console.error('Unexpected error:', error);
process.exit(1);
});
