func ExampleClient_Annotate_oneImage() {
ctx := context.Background()
client, err := vision.NewClient(ctx)
if err != nil {
// TODO: handle error.
}
annsSlice, err := client.Annotate(ctx, &vision.AnnotateRequest{
Image: vision.NewImageFromGCS("gs://my-bucket/my-image.png"),
MaxLogos: 100,
MaxTexts: 100,
SafeSearch: true,
})
if err != nil {
// TODO: handle error.
}
anns := annsSlice[0]
if anns.Logos != nil {
fmt.Println(anns.Logos)
}
if anns.Texts != nil {
fmt.Println(anns.Texts)
}
if anns.SafeSearch != nil {
fmt.Println(anns.SafeSearch)
}
if anns.Error != nil {
fmt.Printf("at least one of the features failed: %v", anns.Error)
}
}
func ExampleNewClient() {
ctx := context.Background()
client, err := vision.NewClient(ctx)
if err != nil {
// TODO: handle error.
}
// Use the client.
// Close the client when finished.
if err := client.Close(); err != nil {
// TODO: handle error.
}
}
func ExampleClient_DetectFaces() {
ctx := context.Background()
client, err := vision.NewClient(ctx)
if err != nil {
// TODO: handle error.
}
img := vision.NewImageFromGCS("gs://my-bucket/my-image.png")
faces, err := client.DetectFaces(ctx, img, 10)
if err != nil {
// TODO: handle error.
}
fmt.Println(faces[0].Face.Nose.Tip)
fmt.Println(faces[0].Face.Eyes.Left.Pupil)
}
// findLabels gets labels from the Vision API for an image at the given file path.
func findLabels(file string) ([]string, error) {
// [START init]
ctx := context.Background()
// Create the client.
client, err := vision.NewClient(ctx)
if err != nil {
return nil, err
}
// [END init]
// [START request]
// Open the file.
f, err := os.Open(file)
if err != nil {
return nil, err
}
image, err := vision.NewImageFromReader(f)
if err != nil {
return nil, err
}
// Perform the request.
annotations, err := client.DetectLabels(ctx, image, 10)
if err != nil {
return nil, err
}
// [END request]
// [START transform]
var labels []string
for _, annotation := range annotations {
labels = append(labels, annotation.Description)
}
return labels, nil
// [END transform]
}
