coreg.py 文件源码

def _point_cloud_error(src_pts, tgt_pts):
    """Find the distance from each source point to its closest target point

    Parameters
    ----------
    src_pts : array, shape = (n, 3)
        Source points.
    tgt_pts : array, shape = (m, 3)
        Target points.

    Returns
    -------
    dist : array, shape = (n, )
        For each point in ``src_pts``, the distance to the closest point in
        ``tgt_pts``.
    """
    from scipy.spatial.distance import cdist
    Y = cdist(src_pts, tgt_pts, 'euclidean')
    dist = Y.min(axis=1)
    return dist