Se nenhuma função de callback for fornecida, a solicitação será feita de forma síncrona. Se um callback for fornecido, a solicitação será feita de forma assíncrona.
O modo assíncrono é preferido porque o modo síncrono interrompe todos os outros códigos (por exemplo, a interface do editor de código do EE) enquanto aguarda o servidor. Para fazer uma solicitação assíncrona, use evaluate() em vez de getInfo().
Retorna o valor computado desse objeto.
Uso | Retorna |
---|---|
Number.getInfo(callback) | Objeto |
Argumento | Tipo | Detalhes |
---|---|---|
computedobject | ComputedObject | A instância ComputedObject. |
callback | Função, opcional | Um callback opcional. Se não for fornecido, a chamada será feita de forma síncrona. |
Exemplos
Editor de código (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.Number object. var numberServer = ee.Number(10.3); // Use evaluate to transfer server-side number to the client. var numberClient = numberServer.getInfo(); print('Client-side primitive data type', typeof numberClient); // number print('Client-side number', numberClient); // 10.3 print('Client-side number used in expression', numberClient + 10); // 20.3
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.Number object. number_server = ee.Number(10.3) number_client = number_server.getInfo() print('Client-side primitive data type:', type(number_client)) # float print('Client-side number:', number_client) # 10.3 print('Client-side number used in expression:', number_client + 10) # 20.3