LTXVCropGuides - ComfyUI Built-in Node Documentation

The LTXVCropGuides node processes conditioning and latent inputs for video generation by removing keyframe information and adjusting the latent dimensions. It crops the latent image and noise mask to exclude keyframe sections while clearing keyframe indices and guide attention entries from both positive and negative conditioning inputs. This prepares the data for video generation workflows that don’t require keyframe guidance.

Inputs

Parameter	Description	Data Type	Required	Range
`positive`	The positive conditioning input containing guidance information for generation. Its keyframe indices determine how many frames are cropped from the latent.	CONDITIONING	Yes	-
`negative`	The negative conditioning input containing guidance information for what to avoid in generation. Its keyframe data is cleared along with the positive conditioning.	CONDITIONING	Yes	-
`latent`	The latent representation containing image samples and noise mask data. When keyframes are present in the positive conditioning, the last keyframe frames are removed from both the samples and the noise mask.	LATENT	Yes	-

Note: Cropping only occurs when the positive conditioning contains keyframe indices. If no keyframes are detected, the positive and negative conditioning pass through unchanged along with the latent.

Outputs

Output Name	Description	Data Type
`positive`	The processed positive conditioning with keyframe indices and guide attention entries cleared	CONDITIONING
`negative`	The processed negative conditioning with keyframe indices and guide attention entries cleared	CONDITIONING
`latent`	The cropped latent representation with adjusted samples and noise mask, where keyframe sections have been removed	LATENT

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Inputs

Outputs