Referenzbilder für Produkt auflisten

Ruft eine Liste von Referenzbildern für ein Produkt ab.

Weitere Informationen

Eine ausführliche Dokumentation, die dieses Codebeispiel enthält, finden Sie hier:

Ressourcen abrufen und auflisten

Codebeispiel

Go

Informationen zum Installieren und Verwenden der Clientbibliothek für die Vision API-Produktsuche finden Sie unter Vision API-Produktsuche-Clientbibliotheken. Weitere Informationen finden Sie in der Vision API Produktsuche Go API Referenzdokumentation.

Richten Sie zur Authentifizierung bei der Vision API-Produktsuche Standardanmeldedaten für Anwendungen ein. Weitere Informationen finden Sie unter Authentifizierung für eine lokale Entwicklungsumgebung einrichten.


import (
	"context"
	"fmt"
	"io"

	vision "cloud.google.com/go/vision/apiv1"
	"cloud.google.com/go/vision/v2/apiv1/visionpb"
	"google.golang.org/api/iterator"
)

// listReferenceImages lists reference images of a product.
func listReferenceImages(w io.Writer, projectID string, location string, productID string) error {
	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	defer c.Close()

	req := &visionpb.ListReferenceImagesRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s/products/%s", projectID, location, productID),
	}

	it := c.ListReferenceImages(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("Next: %w", err)
		}

		fmt.Fprintf(w, "Reference image name: %s\n", resp.Name)
		fmt.Fprintf(w, "Reference image uri: %s\n", resp.Uri)
		fmt.Fprintf(w, "Reference image bounding polygons: %s\n", resp.BoundingPolys)
	}

	return nil
}

Java

/**
 * List all images in a product.
 *
 * @param projectId - Id of the project.
 * @param computeRegion - Region name.
 * @param productId - Id of the product.
 * @throws IOException - on I/O errors.
 */
public static void listReferenceImagesOfProduct(
    String projectId, String computeRegion, String productId) throws IOException {
  try (ProductSearchClient client = ProductSearchClient.create()) {

    // Get the full path of the product.
    String formattedParent = ProductName.format(projectId, computeRegion, productId);
    for (ReferenceImage image : client.listReferenceImages(formattedParent).iterateAll()) {
      // Display the reference image information.
      System.out.println(String.format("Reference image name: %s", image.getName()));
      System.out.println(
          String.format(
              "Reference image id: %s",
              image.getName().substring(image.getName().lastIndexOf('/') + 1)));
      System.out.println(String.format("Reference image uri: %s", image.getUri()));
      System.out.println(
          String.format(
              "Reference image bounding polygons: %s \n",
              image.getBoundingPolysList().toString()));
    }
  }
}

Node.js

const vision = require('@google-cloud/vision');

const client = new vision.ProductSearchClient();

async function listReferenceImage() {
  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const projectId = 'Your Google Cloud project Id';

  // const formattedParent = client.productPath(projectId, location, productId);
  // const location = 'A compute region name';
  // const productId = 'Id of the product';
  const formattedParent = client.productPath(projectId, location, productId);
  const request = {
    parent: formattedParent,
  };

  const [response] = await client.listReferenceImages(request);
  response.forEach(image => {
    console.log(`image.name: ${image.name}`);
    console.log(`image.uri: ${image.uri}`);
  });
}
listReferenceImage();

Python

from google.cloud import vision

def list_reference_images(project_id, location, product_id):
    """List all images in a product.
    Args:
        project_id: Id of the project.
        location: A compute region name.
        product_id: Id of the product.
    """
    client = vision.ProductSearchClient()

    # Get the full path of the product.
    product_path = client.product_path(
        project=project_id, location=location, product=product_id
    )

    # List all the reference images available in the product.
    reference_images = client.list_reference_images(parent=product_path)

    # Display the reference image information.
    for image in reference_images:
        print(f"Reference image name: {image.name}")
        print("Reference image id: {}".format(image.name.split("/")[-1]))
        print(f"Reference image uri: {image.uri}")
        print("Reference image bounding polygons: {}".format(image.bounding_polys))

Nächste Schritte

Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser.