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Overview

The node integrates with the nele.ai service to generate images using AI models. It allows users to specify an AI model and provide a textual prompt, which the model uses to create a corresponding image. This node is useful for creative content generation, marketing materials, concept art, or any scenario where automated image creation from text descriptions is needed.

For example, a user can input a prompt like "a futuristic cityscape at sunset" and select a specific AI model to generate a unique image matching that description. The node supports customization of image quality, size, style, and background depending on the chosen model.

Properties

Name Meaning
Model Name or ID Select the AI model that will generate the image. Options are dynamically loaded from available models marked as usable. Users can also specify a model ID via expression.
Prompt The textual description or instruction that guides the AI in generating the image. This is a required multi-line string input.
Quality Name or ID (Optional) Defines the quality setting for the generated image. Available options depend on the selected model and can be chosen from a list or specified by ID via expression.
Size Name or ID (Optional) Specifies the size of the output image. Options vary based on the selected model and can be selected from a list or provided as an ID through expressions.
Style Name or ID (Optional, only for certain models like "azure-dall-e-3" or "dall-e-3") Allows selection of an artistic style for the image generation. Options are dynamically loaded based on the model and can be set by expression.
Background Name or ID (Optional, only for the "gpt-image-1" model) Lets users choose a background setting for the image. Options depend on the model and can be selected or specified via expression.

Output

The node outputs JSON data containing the generated image information. Typically, this includes URLs or base64-encoded data representing the created image(s). If binary data output is supported, it would represent the actual image file content suitable for further processing or saving.

Dependencies

  • Requires an API key credential for authentication with the nele.ai service.
  • Depends on the external nele.ai API endpoints to fetch models, qualities, sizes, styles, and backgrounds dynamically.
  • Network access to the configured base URL of the nele.ai API is necessary.

Troubleshooting

  • Common Issues:

    • Invalid or missing API key: Ensure the API key credential is correctly configured.
    • Unsupported model or operation: Verify that the selected model supports the requested options.
    • Network errors: Check internet connectivity and API endpoint availability.
    • Empty or invalid prompt: The prompt must be a non-empty string describing the desired image.

  • Error Messages:

    • Authentication failures typically indicate issues with the API key.
    • Validation errors may occur if incompatible options are selected for a given model.
    • Timeout or connection errors suggest network problems or API downtime.

Resolving these usually involves verifying credentials, checking property values, and ensuring stable network conditions.

Links and References

Discussion