Rufen Sie ein gerendertes DICOM-Bild ab.
Dokumentationsseiten mit diesem Codebeispiel
Das Codebeispiel im Kontext finden Sie in der folgenden Dokumentation:
Codebeispiel
Go
import (
"context"
"fmt"
"io"
"os"
healthcare "google.golang.org/api/healthcare/v1"
)
// dicomWebRetrieveRendered retrieves a consumer imaging format like JPEG or PNG.
func dicomWebRetrieveRendered(w io.Writer, projectID, location, datasetID, dicomStoreID, dicomWebPath string, outputFile string) error {
// projectID := "my-project"
// location := "us-central1"
// datasetID := "my-dataset"
// dicomStoreID := "my-dicom-store"
// dicomWebPath := "studies/1.3.6.1.4.1.11129.5.5.1113639985/series/1.3.6.1.4.1.11129.5.5.1953511724/instances/1.3.6.1.4.1.11129.5.5.9562821369/rendered"
// outputFile := "rendered_image.png"
ctx := context.Background()
healthcareService, err := healthcare.NewService(ctx)
if err != nil {
return fmt.Errorf("healthcare.NewService: %v", err)
}
storesService := healthcareService.Projects.Locations.Datasets.DicomStores.Studies.Series.Instances
parent := fmt.Sprintf("projects/%s/locations/%s/datasets/%s/dicomStores/%s", projectID, location, datasetID, dicomStoreID)
call := storesService.RetrieveRendered(parent, dicomWebPath)
call.Header().Set("Accept", "image/png")
resp, err := call.Do()
if err != nil {
return fmt.Errorf("RetrieveRendered: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode > 299 {
return fmt.Errorf("RetrieveRendered: status %d %s: %s", resp.StatusCode, resp.Status, resp.Body)
}
file, err := os.Create(outputFile)
if err != nil {
return fmt.Errorf("os.Create: %v", err)
}
defer file.Close()
if _, err := io.Copy(file, resp.Body); err != nil {
return fmt.Errorf("io.Copy: %v", err)
}
fmt.Fprintf(w, "Rendered PNG image retrieved and downloaded to file: %v\n", outputFile)
return nil
}
Java
import com.google.api.client.http.HttpHeaders;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpResponse;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.healthcare.v1.CloudHealthcare;
import com.google.api.services.healthcare.v1.CloudHealthcare.Projects.Locations.Datasets.DicomStores.Studies.Series.Instances;
import com.google.api.services.healthcare.v1.CloudHealthcareScopes;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Collections;
public class DicomWebRetrieveRendered {
private static final String DICOM_NAME = "projects/%s/locations/%s/datasets/%s/dicomStores/%s";
private static final String DICOMWEB_PATH = "studies/%s/series/%s/instances/%s/rendered";
private static final JsonFactory JSON_FACTORY = new JacksonFactory();
private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();
public static void dicomWebRetrieveRendered(String dicomStoreName, String dicomWebPath)
throws IOException {
// String dicomStoreName =
// String.format(
// DICOM_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-dicom-id");
// String dicomWebPath = String.format(DICOMWEB_PATH, "your-study-id", "your-series-id",
// "your-instance-id");
// Initialize the client, which will be used to interact with the service.
CloudHealthcare client = createClient();
// Create request and configure any parameters.
Instances.RetrieveRendered request =
client
.projects()
.locations()
.datasets()
.dicomStores()
.studies()
.series()
.instances()
.retrieveRendered(dicomStoreName, dicomWebPath);
// Execute the request and process the results.
HttpResponse response = request.executeUnparsed();
String outputPath = "image.png";
OutputStream outputStream = new FileOutputStream(new File(outputPath));
try {
response.download(outputStream);
System.out.println("DICOM rendered PNG image written to file " + outputPath);
} finally {
outputStream.close();
}
if (!response.isSuccessStatusCode()) {
System.err.print(
String.format(
"Exception retrieving DICOM rendered image: %s\n", response.getStatusMessage()));
throw new RuntimeException();
}
}
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));
HttpHeaders headers = new HttpHeaders();
headers.set("X-GFE-SSL", "yes");
// Retrieve using the PNG consumer imaging format.
headers.setAccept("image/png");
// 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
const {google} = require('googleapis');
const healthcare = google.healthcare('v1');
const fs = require('fs');
const util = require('util');
const writeFile = util.promisify(fs.writeFile);
const fileName = 'rendered_image.png';
const dicomWebRetrieveRendered = async () => {
const auth = await google.auth.getClient({
scopes: ['https://www.googleapis.com/auth/cloud-platform'],
});
google.options({
auth,
headers: {Accept: 'image/png'},
responseType: 'arraybuffer',
});
// 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 studyUid = '1.3.6.1.4.1.5062.55.1.2270943358.716200484.1363785608958.61.0';
// const seriesUid = '2.24.52329571877967561426579904912379710633';
// const instanceUid = '1.3.6.2.4.2.14619.5.2.1.6280.6001.129311971280445372188125744148';
const parent = `projects/${projectId}/locations/${cloudRegion}/datasets/${datasetId}/dicomStores/${dicomStoreId}`;
const dicomWebPath = `studies/${studyUid}/series/${seriesUid}/instances/${instanceUid}/rendered`;
const request = {parent, dicomWebPath};
const rendered = await healthcare.projects.locations.datasets.dicomStores.studies.series.instances.retrieveRendered(
request
);
const fileBytes = Buffer.from(rendered.data);
await writeFile(fileName, fileBytes);
console.log(
`Retrieved rendered image and saved to ${fileName} in current directory`
);
};
dicomWebRetrieveRendered();Python
def dicomweb_retrieve_rendered(
base_url,
project_id,
cloud_region,
dataset_id,
dicom_store_id,
study_uid,
series_uid,
instance_uid,
):
"""Handles the GET requests specified in the DICOMweb standard."""
url = "{}/projects/{}/locations/{}".format(base_url, project_id, cloud_region)
dicom_store_path = "{}/datasets/{}/dicomStores/{}".format(
url, dataset_id, dicom_store_id
)
instance_path = "{}/dicomWeb/studies/{}/series/{}/instances/{}".format(
dicom_store_path, study_uid, series_uid, instance_uid
)
dicomweb_path = "{}/rendered".format(instance_path)
file_name = "rendered_image.png"
# Make an authenticated API request
session = get_session()
headers = {"Accept": "image/png"}
response = session.get(dicomweb_path, headers=headers)
response.raise_for_status()
with open(file_name, "wb") as f:
f.write(response.content)
print(
"Retrieved rendered image and saved to {} in current directory".format(
file_name
)
)
return response
Nächste Schritte
Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser