InstructPixToPixConditioning - ComfyUI Built-in Node Documentation

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The InstructPixToPixConditioning node prepares conditioning data for InstructPix2Pix image editing by combining positive and negative text prompts with image data. It processes input images through a VAE encoder to create latent representations and attaches these latents to both positive and negative conditioning data. The node automatically handles image dimensions by cropping to multiples of 8 pixels for compatibility with the VAE encoding process.

Inputs

Parameter	Data Type	Required	Range	Description
`positive`	CONDITIONING	Yes	-	Positive conditioning data containing text prompts and settings for desired image characteristics
`negative`	CONDITIONING	Yes	-	Negative conditioning data containing text prompts and settings for undesired image characteristics
`vae`	VAE	Yes	-	VAE model used for encoding input images into latent representations
`pixels`	IMAGE	Yes	-	Input image to be processed and encoded into latent space

Note: The input image dimensions are automatically adjusted by cropping to the nearest multiple of 8 pixels in both width and height to ensure compatibility with the VAE encoding process.

Outputs

Output Name	Data Type	Description
`positive`	CONDITIONING	Positive conditioning data with attached latent image representation
`negative`	CONDITIONING	Negative conditioning data with attached latent image representation
`latent`	LATENT	Empty latent tensor with the same dimensions as the encoded image

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