ComfyUI Node: Hunyuan 3D 2.1 HighPoly to LowPoly Bake MultiViews With MetaData

Hunyuan 3D 2.1 HighPoly to LowPoly Bake MultiViews With MetaData:

The Hy3DHighPolyToLowPolyBakeMultiViewsWithMetaData node is designed to streamline the process of converting high-poly 3D models into low-poly versions while simultaneously baking multiple views and incorporating metadata. This node is particularly beneficial for AI artists who need to optimize 3D models for real-time applications or reduce file sizes without sacrificing essential details. By leveraging multi-view baking, the node ensures that textures and details from various angles are accurately captured and transferred to the low-poly model. The inclusion of metadata further enhances the usability of the output by providing additional context and information about the model, which can be crucial for further processing or integration into larger projects. This node is an essential tool for artists looking to maintain visual fidelity while optimizing their 3D assets for performance.

Hunyuan 3D 2.1 HighPoly to LowPoly Bake MultiViews With MetaData Input Parameters:

albedo

The albedo parameter represents the base color texture of the 3D model. It is crucial for defining the surface color of the model without any lighting effects. This parameter impacts the final appearance of the baked textures, ensuring that the color information is accurately transferred from the high-poly to the low-poly model. There are no specific minimum, maximum, or default values, as it depends on the texture used.

mr

The mr parameter stands for the metallic-roughness texture, which defines the metallic and roughness properties of the model's surface. This texture is essential for achieving realistic material appearances, as it influences how light interacts with the surface. Like the albedo, this parameter does not have predefined limits and is determined by the input texture.

selected_camera_elevs

This parameter specifies the elevation angles of the cameras used during the multi-view baking process. It determines the vertical positioning of the cameras relative to the model, affecting the coverage and detail captured in the baked textures. The range of values is typically between 0 and 90 degrees, with no default value specified.

selected_camera_azims

The selected_camera_azims parameter defines the azimuth angles of the cameras, which control the horizontal positioning around the model. This parameter is crucial for ensuring comprehensive coverage of the model from all sides during the baking process. Values typically range from 0 to 360 degrees, with no default value specified.

selected_view_weights

This parameter assigns weights to the selected views, influencing the contribution of each view to the final baked texture. It allows for prioritizing certain angles or perspectives based on their importance or relevance to the final output. The values are typically normalized, with no specific default value.

Hunyuan 3D 2.1 HighPoly to LowPoly Bake MultiViews With MetaData Output Parameters:

texture

The texture output is the final baked texture map that combines information from all selected views. It is crucial for applying detailed surface information to the low-poly model, ensuring that it retains the visual fidelity of the high-poly version.

mask

The mask output is a binary map indicating the areas of the texture that have been successfully baked. It is useful for identifying regions that may require additional attention or correction during post-processing.

texture_mr

The texture_mr output is the baked metallic-roughness texture map, which is essential for replicating the material properties of the high-poly model on the low-poly version. It ensures that the model's surface interactions with light are preserved.

mask_mr

The mask_mr output is similar to the mask but specifically for the metallic-roughness texture. It helps in identifying areas where the metallic-roughness information has been accurately transferred.

Hunyuan 3D 2.1 HighPoly to LowPoly Bake MultiViews With MetaData Usage Tips:

• Ensure that the input textures (albedo and mr) are of high quality to achieve the best results in the baked outputs.
• Carefully select camera angles and weights to prioritize views that capture the most critical details of the model.
• Regularly check the mask outputs to identify and address any areas that may require additional baking or correction.

Hunyuan 3D 2.1 HighPoly to LowPoly Bake MultiViews With MetaData Common Errors and Solutions:

"Baking MultiViews failed"

• Explanation: This error may occur if the input textures or camera configurations are incorrect or incompatible.
• Solution: Verify that all input textures are correctly formatted and that camera angles are within valid ranges. Adjust the view weights if necessary.

"Memory allocation error"

• Explanation: This error indicates that the system has run out of memory during the baking process.
• Solution: Reduce the resolution of input textures or simplify the model to decrease memory usage. Ensure that your system meets the necessary hardware requirements for the task.