Se usó la API de Cloud Translation para traducir esta página.

Exportar almacén de DICOM a Cloud Storage

Exporta datos de DICOM a Cloud Storage

Explora más

Para obtener documentación detallada en la que se incluye esta muestra de código, consulta lo siguiente:

Importar y exportar datos de DICOM con Cloud Storage

Muestra de código

Go

Antes de probar esta muestra, sigue las instrucciones de configuración para Go que se encuentran en la guía de inicio rápido de la API de Cloud Healthcare con el uso de bibliotecas cliente. Para obtener más información, consulta la documentación de referencia de la API de Go de la API de Cloud Healthcare.

Para autenticarte en la API de Cloud Healthcare, configura las credenciales predeterminadas de la aplicación. Si deseas obtener más información, consulta Configura la autenticación para un entorno de desarrollo local.

import (
	"context"
	"fmt"
	"io"

	healthcare "google.golang.org/api/healthcare/v1"
)

// exportDICOMInstance exports DICOM objects to GCS.
func exportDICOMInstance(w io.Writer, projectID, location, datasetID, dicomStoreID, destination string) error {
	ctx := context.Background()

	healthcareService, err := healthcare.NewService(ctx)
	if err != nil {
		return fmt.Errorf("healthcare.NewService: %w", err)
	}

	storesService := healthcareService.Projects.Locations.Datasets.DicomStores

	req := &healthcare.ExportDicomDataRequest{
		GcsDestination: &healthcare.GoogleCloudHealthcareV1DicomGcsDestination{
			UriPrefix: destination, // "gs://my-bucket/path/to/prefix/"
		},
	}
	name := fmt.Sprintf("projects/%s/locations/%s/datasets/%s/dicomStores/%s", projectID, location, datasetID, dicomStoreID)

	lro, err := storesService.Export(name, req).Do()
	if err != nil {
		return fmt.Errorf("Export: %w", err)
	}

	fmt.Fprintf(w, "Export to DICOM store started. Operation: %q\n", lro.Name)
	return nil
}

Java

Antes de probar esta muestra, sigue las instrucciones de configuración para Java que se encuentran en la guía de inicio rápido de la API de Cloud Healthcare con el uso de bibliotecas cliente. Para obtener más información, consulta la documentación de referencia de la API de Java de la API de Cloud Healthcare.

import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.healthcare.v1.CloudHealthcare;
import com.google.api.services.healthcare.v1.CloudHealthcare.Projects.Locations.Datasets.DicomStores;
import com.google.api.services.healthcare.v1.CloudHealthcareScopes;
import com.google.api.services.healthcare.v1.model.ExportDicomDataRequest;
import com.google.api.services.healthcare.v1.model.GoogleCloudHealthcareV1DicomGcsDestination;
import com.google.api.services.healthcare.v1.model.Operation;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import java.io.IOException;
import java.util.Collections;

public class DicomStoreExport {
  private static final String DICOM_NAME = "projects/%s/locations/%s/datasets/%s/dicomStores/%s";
  private static final JsonFactory JSON_FACTORY = new GsonFactory();
  private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();

  public static void dicomStoreExport(String dicomStoreName, String gcsUri) throws IOException {
    // String dicomStoreName =
    //    String.format(
    //        DICOM_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-dicom-id");
    // String gcsUri = "gs://your-bucket-id/path/to/destination/dir"

    // Initialize the client, which will be used to interact with the service.
    CloudHealthcare client = createClient();

    // Configure where the store will be exported too.
    GoogleCloudHealthcareV1DicomGcsDestination gcsDestination =
        new GoogleCloudHealthcareV1DicomGcsDestination().setUriPrefix(gcsUri);
    ExportDicomDataRequest exportRequest =
        new ExportDicomDataRequest().setGcsDestination(gcsDestination);

    // Create request and configure any parameters.
    DicomStores.Export request =
        client
            .projects()
            .locations()
            .datasets()
            .dicomStores()
            .export(dicomStoreName, exportRequest);

    // Execute the request, wait for the operation to complete, and process the results.
    try {
      Operation operation = request.execute();
      while (operation.getDone() == null || !operation.getDone()) {
        // Update the status of the operation with another request.
        Thread.sleep(500); // Pause for 500ms between requests.
        operation =
            client
                .projects()
                .locations()
                .datasets()
                .operations()
                .get(operation.getName())
                .execute();
      }
      System.out.println("DICOM store export complete." + operation.getResponse());
    } catch (Exception ex) {
      System.out.printf("Error during request execution: %s", ex.toString());
      ex.printStackTrace(System.out);
    }
  }

  private static CloudHealthcare createClient() throws IOException {
    // Use Application Default Credentials (ADC) to authenticate the requests
    // For more information see https://cloud.google.com/docs/authentication/production
    GoogleCredentials credential =
        GoogleCredentials.getApplicationDefault()
            .createScoped(Collections.singleton(CloudHealthcareScopes.CLOUD_PLATFORM));

    // Create a HttpRequestInitializer, which will provide a baseline configuration to all requests.
    HttpRequestInitializer requestInitializer =
        request -> {
          new HttpCredentialsAdapter(credential).initialize(request);
          request.setConnectTimeout(60000); // 1 minute connect timeout
          request.setReadTimeout(60000); // 1 minute read timeout
        };

    // Build the client for interacting with the service.
    return new CloudHealthcare.Builder(HTTP_TRANSPORT, JSON_FACTORY, requestInitializer)
        .setApplicationName("your-application-name")
        .build();
  }
}

Node.js

Antes de probar esta muestra, sigue las instrucciones de configuración para Node.js que se encuentran en la guía de inicio rápido de la API de Cloud Healthcare con el uso de bibliotecas cliente. Para obtener más información, consulta la documentación de referencia de la API de Node.js de la API de Cloud Healthcare.

const google = require('@googleapis/healthcare');
const healthcare = google.healthcare({
  version: 'v1',
  auth: new google.auth.GoogleAuth({
    scopes: ['https://www.googleapis.com/auth/cloud-platform'],
  }),
});

const exportDicomInstanceGcs = async () => {
  // TODO(developer): uncomment these lines before running the sample
  // const cloudRegion = 'us-central1';
  // const projectId = 'adjective-noun-123';
  // const datasetId = 'my-dataset';
  // const dicomStoreId = 'my-dicom-store';
  // const gcsUri = 'my-bucket/my-directory'
  const name = `projects/${projectId}/locations/${cloudRegion}/datasets/${datasetId}/dicomStores/${dicomStoreId}`;
  const request = {
    name,
    resource: {
      gcsDestination: {
        // The destination location of the DICOM instances in Cloud Storage
        uriPrefix: `gs://${gcsUri}`,
        // The format to use for the output files, per the MIME types supported in the DICOM spec
        mimeType: 'application/dicom',
      },
    },
  };

  await healthcare.projects.locations.datasets.dicomStores.export(request);
  console.log(`Exported DICOM instances to ${gcsUri}`);
};

exportDicomInstanceGcs();

Python

Antes de probar esta muestra, sigue las instrucciones de configuración para Python que se encuentran en la guía de inicio rápido de la API de Cloud Healthcare con el uso de bibliotecas cliente. Para obtener más información, consulta la documentación de referencia de la API de Python de la API de Cloud Healthcare.

def export_dicom_instance(project_id, location, dataset_id, dicom_store_id, uri_prefix):
    """Export data to a Google Cloud Storage bucket by copying
    it from the DICOM store.

    See https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/healthcare/api-client/v1/dicom
    before running the sample."""
    # Imports the Google API Discovery Service.
    from googleapiclient import discovery

    api_version = "v1"
    service_name = "healthcare"
    # Returns an authorized API client by discovering the Healthcare API
    # and using GOOGLE_APPLICATION_CREDENTIALS environment variable.
    client = discovery.build(service_name, api_version)

    # TODO(developer): Uncomment these lines and replace with your values.
    # project_id = 'my-project'  # replace with your GCP project ID
    # location = 'us-central1'  # replace with the parent dataset's location
    # dataset_id = 'my-dataset'  # replace with the DICOM store's parent dataset ID
    # dicom_store_id = 'my-dicom-store'  # replace with the DICOM store's ID
    # uri_prefix = 'my-bucket'  # replace with a Cloud Storage bucket
    dicom_store_parent = "projects/{}/locations/{}/datasets/{}".format(
        project_id, location, dataset_id
    )
    dicom_store_name = f"{dicom_store_parent}/dicomStores/{dicom_store_id}"

    body = {"gcsDestination": {"uriPrefix": f"gs://{uri_prefix}"}}

    request = (
        client.projects()
        .locations()
        .datasets()
        .dicomStores()
        .export(name=dicom_store_name, body=body)
    )

    response = request.execute()
    print(f"Exported DICOM instances to bucket: gs://{uri_prefix}")

    return response

¿Qué sigue?

Para buscar y filtrar muestras de código para otros productos de Google Cloud , consulta el navegador de muestras deGoogle Cloud .