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ComfyUI Node: Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘”

Class Name

ADE_ReplaceCameraParameters

Category
Animate Diff šŸŽ­šŸ…šŸ…“/ā‘” Gen2 nodes ā‘”/CameraCtrl/poses
Author
Kosinkadink (Account age: 3712 days)
Extension
AnimateDiff Evolved
Latest Updated
6/17/2024
Github Stars
2.2K

How to Install AnimateDiff Evolved

Install this extension via the ComfyUI Manager by searching for Ā AnimateDiff Evolved
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter AnimateDiff Evolved in the search bar
After installation, click the Ā Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘” Description

Facilitates precise adjustment of camera settings for AI artists in animated scenes, enhancing visual effects and realism.

Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘”:

The ADE_ReplaceCameraParameters node is designed to facilitate the replacement of camera parameters within a set of camera poses. This node is particularly useful for AI artists working with animated scenes, as it allows for the precise adjustment of camera settings such as focal length and intrinsic parameters. By enabling the modification of these parameters, the node helps in achieving the desired visual effects and camera movements, enhancing the overall quality and realism of the animation. The primary goal of this node is to provide a straightforward method for updating camera parameters, ensuring that the camera behaves as intended throughout the animation sequence.

Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘” Input Parameters:

poses

This parameter represents a list of camera poses, where each pose is a list of floating-point numbers that define the camera's position, orientation, and intrinsic parameters. The poses parameter is essential as it provides the baseline data that will be modified by the node. Each pose in the list should follow a specific format, typically including elements such as focal length, principal point coordinates, and transformation matrices.

fx

The focal length in the x-direction. This parameter controls the horizontal scaling of the camera's field of view. The default value is set to CAM.DEFAULT_FX, with a minimum value of 0 and a maximum value of 1. Adjusting this parameter affects how wide or narrow the camera's view appears.

fy

The focal length in the y-direction. Similar to fx, this parameter controls the vertical scaling of the camera's field of view. The default value is set to CAM.DEFAULT_FY, with a minimum value of 0 and a maximum value of 1. Modifying this parameter influences the vertical extent of the camera's view.

cx

The x-coordinate of the principal point, which is the point where the optical axis intersects the image plane. The default value is CAM.DEFAULT_CX, with a minimum value of 0 and a maximum value of 1, and a step size of 0.01. This parameter is crucial for aligning the camera's view with the intended scene.

cy

The y-coordinate of the principal point. This parameter works in conjunction with cx to define the principal point's position on the image plane. The default value is CAM.DEFAULT_CY, with a minimum value of 0 and a maximum value of 1, and a step size of 0.01. Adjusting this parameter helps in fine-tuning the camera's alignment.

Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘” Output Parameters:

CAMERACTRL_POSES

This output parameter is a list of updated camera poses, where each pose has been modified to include the new camera parameters specified by the input parameters fx, fy, cx, and cy. The updated poses ensure that the camera behaves according to the new settings, providing the desired visual effects and camera movements in the animation.

Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘” Usage Tips:

  • Ensure that the input poses list is correctly formatted and includes all necessary elements such as focal length and transformation matrices.
  • Experiment with different values for fx and fy to achieve the desired field of view for your animation. Smaller values will result in a wider view, while larger values will narrow the view.
  • Use cx and cy to fine-tune the alignment of the camera's view with the scene. This is particularly useful for ensuring that the camera's focus is centered on the main subject of the animation.

Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘” Common Errors and Solutions:

Invalid poses format

  • Explanation: This error occurs when the input poses list does not follow the expected format or is missing required elements.
  • Solution: Verify that each pose in the list includes all necessary elements such as focal length and transformation matrices. Ensure that the list is correctly structured and formatted.

Parameter out of range

  • Explanation: This error is triggered when one of the input parameters (fx, fy, cx, cy) is set to a value outside the allowed range.
  • Solution: Check the values of fx, fy, cx, and cy to ensure they fall within the specified minimum and maximum limits. Adjust the values accordingly to resolve the error.

Replace Camera Parameters šŸŽ­šŸ…šŸ…“ā‘” Related Nodes

Go back to the extension to check out more related nodes.
AnimateDiff Evolved
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