public AssetElement()
 {
     ElementType = "ASSET";
     Name        = "Unknown Asset";
     Id          = 0;
     Position    = new PositionElement();
     Subsystems  = new List <SubsystemElement>();
     Constraints = new List <ConstraintElement>();
 }
 public TargetElement()
 {
     ElementType = "TARGET";
     TargetName  = "Unknown Target";
     TargetType  = TargetType.UnknownTarget;
     TaskType    = TaskType.NoTask;
     MaxTimes    = 1000.0;
     Value       = 1.0;
     Position    = new PositionElement();
 }