INNER CODE UNIT · Python

normalize_scene

VITA-Group/Diffusion4D · rendering/blender.py:448

def normalize_scene() -> None:
    """Normalizes the scene by scaling and translating it to fit in a unit cube centered
    at the origin.

    Mostly taken from the Point-E / Shap-E rendering script
    (https://github.com/openai/point-e/blob/main/point_e/evals/scripts/blender_script.py#L97-L112),
    but fix for multiple root objects: (see bug report here:
    https://github.com/openai/shap-e/pull/60).

    Returns:
        None
    """
    if len(list(get_scene_root_objects())) > 1:
        # create an empty object to be used as a parent for all root objects
        parent_empty = bpy.data.objects.new("ParentEmpty", None)
        bpy.context.scene.collection.objects.link(parent_empty)

        # parent all root objects to the empty object

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