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sampleterrain.js
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sampleterrain.js
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'use strict';
const cli = require('cli');
const sampleterrain = require('./lib/');
const fs = require('fs');
let start = new Date();
console.warn('Sampling terrain...');
let options = cli.parse({
file: ['f', 'GeoJson File', 'file'],
level: ['l', 'Terrain level of detail', 'int'],
url: ['u', 'Terrain provider url', 'url'],
token: ['t', 'Cesium Ion access token', 'string']
});
options.token = options.token ? options.token : process.env.CESIUM_ION_TOKEN
let fOptions;
if (options.level || options.url || options.token) {
fOptions = {level: options.level, terrainProviderUrl: options.url, token: options.token};
}
if (options.file) {
fs.readFile(options.file, 'utf8', (err, data) => {
if (err) {throw err;}
sampleterrain.sample(JSON.parse(data), fOptions).then((o) => {
console.warn('Terrain sampled...', new Date() - start, 'ms');
console.log(JSON.stringify(o));
}).catch(e => {
console.warn('Sample terrain error', e);
});
});
} else {
cli.getUsage();
return;
}