anchor.diff:  
   -define(DBSizeKey, rr_eval_admin_dbsize).    %Process Dictionary Key for generated db size
   -define(REP_FACTOR, 4).
  --define(EVAL_DIR, "../../eval"). %execution path is ~/scalaris/bin/
   -define(TAB, 9).
   
   -define(BINOM, 0.2).       %binomial(N, p) - this is p
  
positive.code:     Options = [{eval_time, {Hour, Min, Sec}} | _Options],
      
      StartEPId = proplists:get_value(start_ep_id, Options, 0),
      Dir = proplists:get_value(eval_dir, Options, ?EVAL_DIR),
      FileName = proplists:get_value(filename, Options, io_lib:format("~p.dat", [StepParam])),
      
      EPFile = rr_eval_export:create_file([{filename, FileName},
  
negative.code:         a0 -> eval(sys,
                     gen_setup([uniform], ?EVAL_FTYPES, [random],
                               Scenario, Ring, [Bloom0]),
                     rounds, 2*Nodes, 2*Nodes, 0,
                     [{eval_dir, Dir}, {file_suffix, atom_to_list(EvalName)}, {start_ep_id, 1}])
      end,
      ok.
  
  