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ComfyUI Node: Calculate Frame Offset šŸ“…šŸ…•šŸ…

Class Name

CalculateFrameOffset

Category
FizzNodes šŸ“…šŸ…•šŸ…/HelperNodes
Author
FizzleDorf (Account age: 1989 days)
Extension
FizzNodes
Latest Updated
6/27/2024
Github Stars
0.3K

How to Install FizzNodes

Install this extension via the ComfyUI Manager by searching for Ā FizzNodes
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter FizzNodes 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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Calculate Frame Offset šŸ“…šŸ…•šŸ… Description

Node for managing and calculating frame offsets in animation/video tasks, ensuring accurate and consistent frame calculations.

Calculate Frame Offset šŸ“…šŸ…•šŸ…:

The CalculateFrameOffset node is designed to help you manage and calculate frame offsets in animation or video processing tasks. This node is particularly useful when you need to determine the correct frame number based on various parameters such as the current frame, the total number of frames, the number of latent inputs, and a specific index. By using this node, you can ensure that your frame calculations are accurate and consistent, which is essential for creating smooth and coherent animations. The main function of this node, assignFrameNum, computes the frame offset based on the provided inputs, making it easier to handle complex frame sequences and transitions.

Calculate Frame Offset šŸ“…šŸ…•šŸ… Input Parameters:

current_frame

The current_frame parameter represents the current frame number in your animation or video sequence. It is an integer value with a default of 0 and a minimum value of 0. This parameter is crucial as it determines the starting point for the frame offset calculation. If the current frame is set to 0, the node will return the index value directly. Otherwise, it will use this value to compute the starting frame for the offset calculation.

max_frames

The max_frames parameter specifies the total number of frames in your animation or video sequence. It is an integer value with a default of 18 and a minimum value of 0. This parameter is important because it defines the range within which the frame offset will be calculated. The node uses this value to ensure that the computed frame number wraps around correctly if it exceeds the total number of frames.

num_latent_inputs

The num_latent_inputs parameter indicates the number of latent inputs used in the frame calculation. It is an integer value with a default of 4 and a minimum value of 0. This parameter affects the spacing between frames in the offset calculation. A higher number of latent inputs will result in a larger gap between frames, while a lower number will produce a smaller gap.

index

The index parameter is an integer value that specifies the specific index to be used in the frame offset calculation. It has a default value of 4 and a minimum value of 0. This parameter is used to determine the exact frame number within the calculated range. The node combines this value with the other parameters to compute the final frame offset.

Calculate Frame Offset šŸ“…šŸ…•šŸ… Output Parameters:

INT

The output of the CalculateFrameOffset node is an integer value representing the calculated frame offset. This value is crucial for determining the correct frame number in your animation or video sequence based on the provided input parameters. The output ensures that your frame calculations are accurate and consistent, allowing for smooth transitions and coherent animations.

Calculate Frame Offset šŸ“…šŸ…•šŸ… Usage Tips:

  • Ensure that the current_frame parameter is set correctly to reflect the actual frame number in your sequence. This will help in accurate frame offset calculations.
  • Adjust the num_latent_inputs parameter based on the desired spacing between frames. A higher value will create larger gaps, while a lower value will produce smaller gaps.
  • Use the max_frames parameter to define the total number of frames in your sequence, ensuring that the frame offset wraps around correctly if it exceeds this value.
  • The index parameter can be used to fine-tune the exact frame number within the calculated range, providing more control over the frame offset.

Calculate Frame Offset šŸ“…šŸ…•šŸ… Common Errors and Solutions:

"Index out of range"

  • Explanation: This error occurs when the index parameter exceeds the range defined by the num_latent_inputs parameter.
  • Solution: Ensure that the index value is within the range of 0 to num_latent_inputs - 1.

"Negative frame number"

  • Explanation: This error happens when the calculated frame offset results in a negative frame number.
  • Solution: Check the values of current_frame, num_latent_inputs, and index to ensure they are set correctly and do not produce a negative result.

"Max frames exceeded"

  • Explanation: This error occurs when the calculated frame offset exceeds the max_frames parameter.
  • Solution: Verify that the max_frames parameter is set correctly and that the input values do not produce a frame number greater than the total number of frames.

Calculate Frame Offset šŸ“…šŸ…•šŸ… Related Nodes

Go back to the extension to check out more related nodes.
FizzNodes
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