(radius, nsample, xyz1, xyz2)
return grouping_module.query_ball_point(xyz1, xyz2, radius, nsample)
Input:
        radius: float32, ball search radius
        nsample: int32, number of points selected in each ball region
        xyz1: (batch_size, ndataset, 3) float32 array, input points
        xyz2: (batch_size, npoint, 3) float32 array, query points
    Output:
        idx: (batch_size, npoint, nsample) int32 array, indices to input points
        pts_cnt: (batch_size, npoint) int32 array, number of unique points in each local region
Input:
        radius: float32, ball search radius
        nsample: int32, number of points selected in each ball region
        xyz1: (batch_size, ndataset, 3) float32 array, input points
        xyz2: (batch_size, npoint, 3) float32 array, query points
    Output:
        idx: (batch_size, npoint, nsample) int32 array, indices to input points
        pts_cnt: (batch_size, npoint) int32 array, number of unique points in each local region
Input : radius : float32 ball search radius nsample : int32 number of points selected in each ball region xyz1 : ( batch_size ndataset 3 ) float32 array input points xyz2 : ( batch_size npoint 3 ) float32 array query points Output : idx : ( batch_size npoint nsample ) int32 array indices to input points pts_cnt : ( batch_size npoint ) int32 array number of unique points in each local region
def query_ball_point(radius, nsample, xyz1, xyz2):
    """
    Input:
        radius: float32, ball search radius
        nsample: int32, number of points selected in each ball region
        xyz1: (batch_size, ndataset, 3) float32 array, input points
        xyz2: (batch_size, npoint, 3) float32 array, query points
    Output:
        idx: (batch_size, npoint, nsample) int32 array, indices to input points
        pts_cnt: (batch_size, npoint) int32 array, number of unique points in each local region
    """
    # return grouping_module.query_ball_point(radius, nsample, xyz1, xyz2)
    return grouping_module.query_ball_point(xyz1, xyz2, radius, nsample)
def query_ball_point ( radius , nsample , xyz1 , xyz2 ) : # return grouping_module.query_ball_point(radius, nsample, xyz1, xyz2) return grouping_module . query_ball_point ( xyz1 , xyz2 , radius , nsample )