/// <summary>
/// Gets a FeJoint by the given coordinates.
/// </summary>
/// <param name="inPoint">The point. THE COORDINATES MUST HAVE BEEN PREVIOUSLY ROUNDED!</param>
/// <returns>The joint if found, otherwise null.</returns>
public FeJoint Get_JointByCoordinate(Point3d inPoint)
{
return(Joints.FirstOrDefault(a => a.Value.Point == inPoint).Value);
}