/// <summary>
/// Get the points within the specific sphere
/// </summary>
/// <param name="center">The center of the sphere</param>
/// <param name="radius">The radius of the sphere</param>
/// <returns>The points withing the specific sphere</returns>
public MCvPoint3D32f[] GetPointsWithinSphere(MCvPoint3D32f center, float radius)
{
CvInvoke.CvOctreeGetPointsWithinSphere(_ptr, ref center, radius, _pointSeq);
return(_pointSeq.ToArray());
}