void Init()
{
DynamicLayout p1, p2;
StackLayout t1;
p1 = UI.Shared.Common.GetDefaultContainer();
p2 = UI.Shared.Common.GetDefaultContainer();
p1.Width = 380;
p2.Width = 380;
p1.Height = 540;
t1 = new StackLayout();
t1.Items.Add(new StackLayoutItem(p1));
t1.Items.Add(new StackLayoutItem(p2));
t1.Orientation = Orientation.Horizontal;
Padding = new Padding(10);
if (flowsheet.OptimizationCollection.Count == 0)
{
flowsheet.OptimizationCollection.Add(new DWSIM.SharedClasses.Flowsheet.Optimization.OptimizationCase());
}
mycase = flowsheet.OptimizationCollection.First();
var su = flowsheet.FlowsheetOptions.SelectedUnitSystem;
var nf = flowsheet.FlowsheetOptions.NumberFormat;
var objlist = flowsheet.SimulationObjects.Values.Select((x2) => x2.GraphicObject.Tag).ToList();
objlist.Insert(0, "");
s.CreateAndAddLabelRow2(this, "Use the optimizer to bring the flowsheet to a new 'state' regarding the maximum or minimum or value of a user-defined parameter.");
this.Add(t1);
s.CreateAndAddLabelRow(p1, "Case ID");
s.CreateAndAddFullTextBoxRow(p1, mycase.name, (arg3, arg2) => { mycase.name = arg3.Text; });
s.CreateAndAddLabelRow(p1, "Case Description");
s.CreateAndAddFullTextBoxRow(p1, mycase.description, (arg3, arg2) => { mycase.description = arg3.Text; });
s.CreateAndAddDropDownRow(p1, "Optimization Type", new[] { "Minimization", "Maximization" }.ToList(), (int)mycase.type, (arg3, arg2) => { mycase.type = (DWSIM.SharedClasses.Flowsheet.Optimization.OPTType)arg3.SelectedIndex; });
s.CreateAndAddDropDownRow(p1, "Objective Function", new[] { "Variable", "Expression" }.ToList(), (int)mycase.objfunctype, (arg3, arg2) => { mycase.objfunctype = (DWSIM.SharedClasses.Flowsheet.Optimization.OPTObjectiveFunctionType)arg3.SelectedIndex; });
s.CreateAndAddTextBoxRow(p1, nf, "Maximum Iterations", (double)mycase.maxits, (arg3, arg2) => { mycase.maxits = (int)arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddTextBoxRow(p1, nf, "Absolute Tolerance", mycase.tolerance, (arg3, arg2) => { mycase.tolerance = arg3.Text.ToDoubleFromCurrent(); });
var varcontainer = new StackLayout {
Orientation = Orientation.Horizontal, Padding = new Eto.Drawing.Padding(0), Spacing = 10
};
var btnAddVar = s.CreateAndAddBoldLabelAndButtonRow(p2, "Variables", "Add Variable", null, (arg1, arg2) =>
{
var newiv = new DWSIM.SharedClasses.Flowsheet.Optimization.OPTVariable();
newiv.id = new Random().Next().ToString();
newiv.name = "var" + mycase.variables.Count.ToString();
mycase.variables.Add(newiv.id, newiv);
AddVariable(newiv, varcontainer, objlist);
});
var desclbl = s.CreateAndAddDescriptionRow(p2, "Variables can be 'INDependent' (actual variables), 'AUXiliary' " +
"(for usage as a parameter in the objective function expression, if applicable), " +
"'DEPendent' (the parameter to be minimized/maximized, if applicable) or CONstraint, " +
"if you don want it to go beyond the defined limits at the solution.");
var sc = new Scrollable {
Border = BorderType.None, Content = varcontainer
};
s.CreateAndAddControlRow(p2, sc);
//t1.SizeChanged += (sender, e) =>
//{
// if (p1.ParentWindow != null)
// {
// p1.Width = (int)(p1.ParentWindow.Width / 2 - 10);
// p2.Width = (int)(p2.ParentWindow.Width / 2 - 10);
// p1.Height = p1.ParentWindow.Height - 140;
// p2.Height = p1.Height;
// sc.Height = p2.Height - btnAddVar.Height - 35 - desclbl.Height;
// foreach (var item in varcontainer.Items)
// {
// item.Control.Width = sc.Width - 25;
// }
// }
//};
foreach (var item in mycase.variables.Values)
{
AddVariable(item, varcontainer, objlist);
}
s.CreateAndAddLabelRow(p1, "Expression");
s.CreateAndAddDescriptionRow(p1, "Enter an expression to be minimized or maximized using IND and AUX variables as parameters, if the Objective Function is defined as 'Expression'.");
s.CreateAndAddFullTextBoxRow(p1, mycase.expression, (arg3, arg2) => { mycase.expression = arg3.Text; });
s.CreateAndAddLabelRow(p1, "Optimization Control");
int solvm = ((int)mycase.solvm - 5);
if (solvm < 0)
{
solvm = 0;
}
s.CreateAndAddDropDownRow(p1, "Method", new[] { "Simplex", "LBFGS", "Truncated Newton", "Simplex (Bounded)", "LBFGS (Bounded)", "Truncated Newton (Bounded)" }.ToList(), solvm, (arg3, arg2) => { mycase.solvm = (DWSIM.SharedClasses.Flowsheet.Optimization.OptimizationCase.SolvingMethod)(arg3.SelectedIndex + 5); });
s.CreateAndAddTextBoxRow(p1, "R", "Numerical derivative step", mycase.epsilon, (arg3, arg2) => { mycase.epsilon = arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddTextBoxRow(p1, "R", "Barrier multiplier", mycase.barriermultiplier, (arg3, arg2) => { mycase.barriermultiplier = arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddEmptySpace(this);
s.CreateAndAddButtonRow(this, "Run Optimization", null, (arg3, arg2) =>
{
StartTask();
});
s.CreateAndAddEmptySpace(this);
s.CreateAndAddEmptySpace(this);
}
void Init()
{
Padding = new Padding(10);
if (flowsheet.OptimizationCollection.Count == 0)
{
flowsheet.OptimizationCollection.Add(new DWSIM.SharedClasses.Flowsheet.Optimization.OptimizationCase());
}
mycase = flowsheet.OptimizationCollection.First();
var su = flowsheet.FlowsheetOptions.SelectedUnitSystem;
var nf = flowsheet.FlowsheetOptions.NumberFormat;
var objlist = flowsheet.SimulationObjects.Values.Select((x2) => x2.GraphicObject.Tag).ToList();
objlist.Insert(0, "");
s.CreateAndAddDescriptionRow(this, "Use the optimizer to bring the flowsheet to a new 'state' regarding the maximum or minimum or value of a user-defined parameter.");
s.CreateAndAddLabelRow(this, "Case ID");
s.CreateAndAddFullTextBoxRow(this, mycase.name, (arg3, arg2) => { mycase.name = arg3.Text; });
s.CreateAndAddLabelRow(this, "Case Description");
s.CreateAndAddFullTextBoxRow(this, mycase.description, (arg3, arg2) => { mycase.description = arg3.Text; });
s.CreateAndAddDropDownRow(this, "Optimization Type", new[] { "Minimization", "Maximization" }.ToList(), (int)mycase.type, (arg3, arg2) => { mycase.type = (DWSIM.SharedClasses.Flowsheet.Optimization.OPTType)arg3.SelectedIndex; });
s.CreateAndAddDropDownRow(this, "Objective Function", new[] { "Variable", "Expression" }.ToList(), (int)mycase.objfunctype, (arg3, arg2) => { mycase.objfunctype = (DWSIM.SharedClasses.Flowsheet.Optimization.OPTObjectiveFunctionType)arg3.SelectedIndex; });
s.CreateAndAddTextBoxRow(this, nf, "Maximum Iterations", (double)mycase.maxits, (arg3, arg2) => { mycase.maxits = (int)arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddTextBoxRow(this, nf, "Absolute Tolerance", mycase.tolerance, (arg3, arg2) => { mycase.tolerance = arg3.Text.ToDoubleFromCurrent(); });
var varcontainer = new StackLayout {
Orientation = Orientation.Horizontal, Padding = new Eto.Drawing.Padding(10), Spacing = 10, BackgroundColor = Colors.White
};
s.CreateAndAddBoldLabelAndButtonRow(this, "Variables", "Add Variable", null, (arg1, arg2) =>
{
var newiv = new DWSIM.SharedClasses.Flowsheet.Optimization.OPTVariable();
newiv.id = new Random().Next().ToString();
newiv.name = "var" + mycase.variables.Count.ToString();
mycase.variables.Add(newiv.id, newiv);
AddVariable(newiv, varcontainer, objlist);
});
s.CreateAndAddDescriptionRow(this, "Variables can be 'INDependent' (actual variables), 'AUXiliary' " +
"(for usage as a parameter in the objective function expression, if applicable), " +
"'DEPendent' (the parameter to be minimized/maximized, if applicable) or CONstraint, " +
"if you don want it to go beyond the defined limits at the solution.");
s.CreateAndAddControlRow(this, new Scrollable {
Border = BorderType.None, Content = varcontainer
});
foreach (var item in mycase.variables.Values)
{
AddVariable(item, varcontainer, objlist);
}
s.CreateAndAddLabelRow(this, "Expression");
s.CreateAndAddDescriptionRow(this, "Enter an expression to be minimized or maximized using IND and AUX variables as parameters, if the Objective Function is defined as 'Expression'.");
s.CreateAndAddFullTextBoxRow(this, mycase.expression, (arg3, arg2) => { mycase.expression = arg3.Text; });
s.CreateAndAddLabelRow(this, "Optimization Control");
int solvm = ((int)mycase.solvm - 5);
if (solvm < 0)
{
solvm = 0;
}
s.CreateAndAddDropDownRow(this, "Method", new[] { "Simplex", "LBFGS", "Truncated Newton", "Simplex (Bounded)", "LBFGS (Bounded)", "Truncated Newton (Bounded)" }.ToList(), solvm, (arg3, arg2) => { mycase.solvm = (DWSIM.SharedClasses.Flowsheet.Optimization.OptimizationCase.SolvingMethod)(arg3.SelectedIndex + 5); });
s.CreateAndAddTextBoxRow(this, "R", "Numerical derivative step", mycase.epsilon, (arg3, arg2) => { mycase.epsilon = arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddTextBoxRow(this, "R", "Barrier multiplier", mycase.barriermultiplier, (arg3, arg2) => { mycase.barriermultiplier = arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddButtonRow(this, "Run Optimization", null, (arg3, arg2) =>
{
StartTask();
});
}
