Visual Synthesis: Generative Expand

Master Outpainting. Extend canvases, maintain consistency, and hallucinate new worlds.

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Guide: Welcome to 'Generative Expand'. Unlike Inpainting (fixing inside), Outpainting expands the canvas beyond the original borders, hallucinating new content that matches the style.

Generative Flow Mastery

Unlock nodes by expanding your canvas.

Step 1: The Canvas

Before generating, we must create space. If you are using Photoshop Generative Fill, this means using the Crop Tool to expand the borders.

Breaking the Frame: The Art of Outpainting

Generative Expand (often called Outpainting) allows us to extend an image in any direction. Unlike standard generation where you start from noise, here you start from an existing "truth" and ask the AI to hallucinate the rest.

1. The Importance of Context Overlap

The most common mistake is selecting only the empty space. The AI needs to "see" the edge of the original image to understand texture, lighting, and style. Always overlap your selection mask by at least 10-20%.

2. Denoising Strength

For outpainting, we typically use a high Denoising Strength (0.7 - 1.0). Since the empty area is purely transparent or noise, we want the AI to be creative. If you set it too low, you'll just get gray sludge.

AI Vocabulary

Outpainting
The process of extending an image beyond its original borders.
"task": "outpainting", "direction": "all"
Inpainting
Modifying pixels INSIDE the original image frame (e.g., removing an object).
"task": "inpainting", "mask_blur": 4
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