ComfyUI Node: Nuke Corner Pin

Nuke Corner Pin:

The NukeCornerPin node is a powerful tool designed to manipulate the perspective of an image by pinning its corners to specified coordinates. This node is particularly useful in compositing tasks where you need to align or warp an image to fit a particular perspective or shape. By adjusting the corner points, you can effectively transform the image to match the desired geometry, making it an essential tool for tasks such as screen replacements, image stabilization, or any scenario where precise control over image distortion is required. The node's ability to handle complex transformations with ease makes it a valuable asset in any compositing workflow.

Nuke Corner Pin Input Parameters:

image

The image parameter represents the input image that you want to transform using the corner pin technique. This is the base image that will undergo perspective adjustments based on the specified corner coordinates.

to1_x

The to1_x parameter specifies the x-coordinate of the first corner to which the image will be pinned. Adjusting this value changes the horizontal position of the first corner, affecting the overall perspective transformation.

to1_y

The to1_y parameter specifies the y-coordinate of the first corner to which the image will be pinned. Adjusting this value changes the vertical position of the first corner, impacting the image's perspective.

to2_x

The to2_x parameter specifies the x-coordinate of the second corner. This value determines the horizontal alignment of the second corner, contributing to the image's transformation.

to2_y

The to2_y parameter specifies the y-coordinate of the second corner. Modifying this value alters the vertical alignment of the second corner, influencing the perspective effect.

to3_x

The to3_x parameter specifies the x-coordinate of the third corner. This parameter helps define the horizontal position of the third corner, playing a role in the image's distortion.

to3_y

The to3_y parameter specifies the y-coordinate of the third corner. Changing this value affects the vertical position of the third corner, contributing to the overall transformation.

to4_x

The to4_x parameter specifies the x-coordinate of the fourth corner. This value is crucial for setting the horizontal alignment of the fourth corner, impacting the image's perspective.

to4_y

The to4_y parameter specifies the y-coordinate of the fourth corner. Adjusting this value changes the vertical alignment of the fourth corner, affecting the final perspective transformation.

filter

The filter parameter determines the type of filtering applied during the transformation process. This can affect the quality and smoothness of the transformed image, with options typically including different interpolation methods.

Nuke Corner Pin Output Parameters:

transformed_image

The transformed_image is the output of the NukeCornerPin node, representing the input image after it has been transformed according to the specified corner coordinates. This output is crucial for further compositing tasks, as it provides the perspective-adjusted image ready for integration into the final scene.

Nuke Corner Pin Usage Tips:

• To achieve precise alignment, use reference points in your scene to guide the placement of the corner pins.
• Experiment with different filter settings to find the best balance between performance and image quality, especially when dealing with high-resolution images.
• Use the NukeCornerPin node in conjunction with other transformation nodes to achieve complex compositing effects.

Nuke Corner Pin Common Errors and Solutions:

"Invalid corner coordinates"

• Explanation: This error occurs when the specified corner coordinates are outside the bounds of the image or are not logically consistent.
• Solution: Double-check the coordinates to ensure they are within the image dimensions and form a valid quadrilateral.

"Filter type not supported"

• Explanation: This error indicates that the specified filter type is not recognized by the node.
• Solution: Verify the filter parameter and ensure it matches one of the supported filter types, such as bilinear or bicubic.