InstructPixToPixConditioning - ComfyUI Built-in Node Documentation

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

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

Outputs

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

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