/// <summary>
/// The constructor
/// </summary>
/// <param name="individualEGDL">The EGDL code of an individual</param>
/// <param name="db">The database connection</param>
public InbreedingCalculation(Database db, int PedigreeID)
{
localGraph = new Graph(db);
currentPedigree = PedigreeID;
egdls = null;
}
/// <summary>
/// The constructor of EGDL class uses a database instance as its input parameter.
/// The reason is that we have to access to the databse frequently, and it's better to open the
/// database once, do all the tasks and then close it.
/// </summary>
/// <param name="conn">The connection string of the database</param>
public EGDL(Database conn)
{
//using the database conn to initilize the local graph object
localGraph = new Graph(conn);
}