// true if target set with its name, x/y/z
public static bool GetTargetPosition(out string name, out double x, out double y, out double z)
{
TargetType tt = (TargetType)SQLiteDBClass.GetSettingInt("TargetPositionType", (int)TargetType.None);
name = SQLiteDBClass.GetSettingString("TargetPositionName", "");
x = SQLiteDBClass.GetSettingDouble("TargetPositionX", double.NaN);
y = SQLiteDBClass.GetSettingDouble("TargetPositionY", double.NaN);
z = SQLiteDBClass.GetSettingDouble("TargetPositionZ", double.NaN);
return(tt != TargetType.None);
}