private void GenerateImageForSolution(LPsolveSolution solution)
{
// apply solution settings
for (int i = 0; i < solution.Names.Count; i++)
{
if (!reactionTextTable.ContainsKey(solution.Names[i]))
continue;
var label = (TempLabel) reactionTextTable[solution.Names[i]];
for (int j = 0; j < label.LocalStyle.Group.Children.Count; j++)
{
if (label.LocalStyle.Group.Children[j] is Text)
{
var text = (Text) label.LocalStyle.Group.Children[j];
double value = 0.0;
if (solution.Solution.Length > i)
value = solution.Solution[i];
text.TheText = String.Format("{0} = {1}", solution.Names[i], value);
}
}
}
SetImage();
}
private LPsolveSolution SolveIt(int lp)
{
LPsolve.write_lp(lp, OutputFileName + ".lp");
LPsolve.delete_lp(lp);
lp = LPsolve.read_LP(OutputFileName + ".lp", 0, "");
LastResult = LPsolve.solve(lp);
ObjectiveValue = LastResult == lpsolve_return.INFEASIBLE ? double.NaN :
LPsolve.get_objective(lp);
if (LastResult == lpsolve_return.INFEASIBLE)
{
LPsolve.delete_lp(lp);
lp = LPsolve.read_LP(OutputFileName + ".lp", 0, "");
LPsolve.set_preferdual(lp, PreferDual);
//LPsolve.set_simplextype(lp, lpsolve_simplextypes.SIMPLEX_DUAL_DUAL);
LPsolve.set_basiscrash(lp, lpsolve_basiscrash.CRASH_MOSTFEASIBLE);
LPsolve.set_presolve(lp, lpsolve_presolve.PRESOLVE_ROWS | lpsolve_presolve.PRESOLVE_COLS, LPsolve.get_presolveloops(lp));
LastResult = LPsolve.solve(lp);
ObjectiveValue = LastResult == lpsolve_return.INFEASIBLE ? double.NaN :
LPsolve.get_objective(lp);
}
if (LastResult == lpsolve_return.INFEASIBLE)
{
LPsolve.delete_lp(lp);
lp = LPsolve.read_LP(OutputFileName + ".lp", 0, "");
LPsolve.set_simplextype(lp, lpsolve_simplextypes.SIMPLEX_DUAL_PRIMAL);
LPsolve.set_scaling(lp, lpsolve_scales.SCALE_EQUILIBRATE | lpsolve_scales.SCALE_INTEGERS);
LPsolve.set_pivoting(lp, lpsolve_piv_rules.PRICER_STEEPESTEDGE | lpsolve_piv_rules.PRICE_ADAPTIVE);
LPsolve.set_anti_degen(lp, lpsolve_anti_degen.ANTIDEGEN_FIXEDVARS | lpsolve_anti_degen.ANTIDEGEN_STALLING);
LPsolve.set_basiscrash(lp, lpsolve_basiscrash.CRASH_NOTHING);
LPsolve.set_presolve(lp, lpsolve_presolve.PRESOLVE_NONE, LPsolve.get_presolveloops(lp));
LPsolve.set_improve(lp, lpsolve_improves.IMPROVE_DUALFEAS | lpsolve_improves.IMPROVE_THETAGAP);
LastResult = LPsolve.solve(lp);
ObjectiveValue = LastResult == lpsolve_return.INFEASIBLE ? double.NaN :
LPsolve.get_objective(lp);
}
if (OutputFileName != "" && PrintDebug)
{
LPsolve.print_str(lp,
string.Concat(new object[] { LastResult, ": ", LPsolve.get_objective(lp), "\n" }));
LPsolve.print_lp(lp);
LPsolve.print_objective(lp);
LPsolve.print_solution(lp, 1);
LPsolve.print_constraints(lp, 1);
LPsolve.set_outputfile(lp, null);
}
int numColumns = LPsolve.get_Ncolumns(lp);
var numArray2 = new double[numColumns];
LPsolve.get_variables(lp, ref numArray2[0]);
var solution = new double[numColumns];
var solutionNames = new List<string>();
for (var i = 0; i < numColumns; i++)
{
solution[i] = numArray2[i];
string name = LPsolve.get_col_name(lp, i + 1);
solutionNames.Add(name);
}
LPsolve.delete_lp(lp);
// generate results
LastSolution = new LPsolveSolution(solution, solutionNames);
return LastSolution;
}