INNER CODE UNIT · Python

phi

VITA-Group/Diffusion4D · rendering/blender.py:62

    phi = math.acos(2 * random.random() - 1)
    return (
        radius * math.sin(phi) * math.cos(theta),
        radius * math.sin(phi) * math.sin(theta),
        radius * math.cos(phi),
    )


def _sample_spherical(
    radius_min: float = 1.5,
    radius_max: float = 2.0,
    maxz: float = 1.6,
    minz: float = -0.75,
) -> np.ndarray:
    """Sample a random point in a spherical shell.

    Args:
        radius_min (float): Minimum radius of the spherical shell.

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