次のフィールドを含むコレクションの説明を返します。
- features: コレクション内の特徴に関するメタデータを含むリスト。
- properties: コレクションのメタデータ プロパティを含むオプションの辞書。
用途 | 戻り値 |
---|---|
FeatureCollection.getInfo(callback) | FeatureCollectionDescription |
引数 | タイプ | 詳細 |
---|---|---|
これ: featurecollection | FeatureCollection | FeatureCollection インスタンス。 |
callback | 関数(省略可) | オプションのコールバック。指定しない場合、呼び出しは同期的に行われます。指定された場合、成功した場合は最初のパラメータで、失敗した場合は 2 番目のパラメータで呼び出されます。 |
例
コードエディタ(JavaScript)
/** * WARNING: this function transfers data from Earth Engine servers to the * client. Doing so can negatively affect request processing and client * performance. Server-side options should be used whenever possible. * Learn more about the distinction between server and client: * https://developers.google.com/earth-engine/guides/client_server */ // A server-side ee.FeatureCollection of power plants in Belgium. var fcServer = ee.FeatureCollection('WRI/GPPD/power_plants') .filter('country_lg == "Belgium"'); // Use getInfo to transfer server-side feature collection to the client. The // result is an object. var fcClient = fcServer.getInfo(); print('Client-side feature collection is an object', typeof fcClient); print('Feature collection object keys', Object.keys(fcClient)); print('Array of features', fcClient.features); print('Properties of first feature', fcClient.features[0].properties);
import ee import geemap.core as geemap
Colab(Python)
"""WARNING: this function transfers data from Earth Engine servers to the client. Doing so can negatively affect request processing and client performance. Server-side options should be used whenever possible. Learn more about the distinction between server and client: https://developers.google.com/earth-engine/guides/client_server """ # A server-side ee.FeatureCollection of power plants in Belgium. fc_server = ee.FeatureCollection('WRI/GPPD/power_plants').filter( 'country_lg == "Belgium"') # Use getInfo to transfer server-side feature collection to the client. The # result is an object. fc_client = fc_server.getInfo() print('Client-side feature collection is a dictionary:', type(fc_client)) print('Feature collection dictionary keys:', fc_client.keys()) print('Array of features:', fc_client['features']) print('Properties of first feature:', fc_client['features'][0]['properties'])