void AddVariable(DWSIM.SharedClasses.Flowsheet.Optimization.OPTVariable newiv, StackLayout ivcontainer, List <string> objs)
{
Flowsheet fsheet = (Flowsheet)flowsheet;
var su = flowsheet.FlowsheetOptions.SelectedUnitSystem;
var nf = flowsheet.FlowsheetOptions.NumberFormat;
List <string> proplist = new List <string>();
List <string> proplist2 = new List <string>();
proplist.Add("");
proplist2.Add("");
var container = new DynamicLayout {
Padding = new Padding(5), Width = 300
};
//container.BackgroundColor = Eto.Drawing.Colors.White;
container.Tag = new Random().Next() + mycase.variables.Count + 1;
var slcontainer = new StackLayoutItem(container);
s.CreateAndAddLabelRow(container, "Optimization Variable #" + (ivcontainer.Items.Count + 1).ToString());
var btnremove = s.CreateAndAddButtonRow(container, "Remove Variable", null, (arg1a, arg2a) =>
{
mycase.variables.Remove(newiv.id);
ivcontainer.Items.Remove(slcontainer);
});
s.CreateAndAddLabelRow(container, "Definitions");
s.CreateAndAddStringEditorRow(container, "Name", newiv.name, (arg3b, arg2b) =>
{
newiv.name = arg3b.Text;
});
s.CreateAndAddDropDownRow(container, "Type", new[] { "DEP", "IND", "AUX", "CON" }.ToList(), (int)newiv.type, (arg3, arg2) => { newiv.type = (DWSIM.SharedClasses.Flowsheet.Optimization.OPTVariableType)arg3.SelectedIndex; });
DropDown spinprop = null;
int idx = 0;
if (flowsheet.SimulationObjects.ContainsKey(newiv.objectID))
{
idx = objs.IndexOf(flowsheet.SimulationObjects[newiv.objectID].GraphicObject.Tag);
}
s.CreateAndAddLabelRow(container, "Flowsheet Object Property Link");
s.CreateAndAddDropDownRow(container, "Object", objs, idx, (arg3c, arg2c) =>
{
if (arg3c.SelectedIndex > 0)
{
var obj = flowsheet.GetFlowsheetSimulationObject(objs[arg3c.SelectedIndex]);
newiv.objectID = obj.Name;
if (newiv.type == DWSIM.SharedClasses.Flowsheet.Optimization.OPTVariableType.Independent)
{
proplist = obj.GetProperties(PropertyType.WR).ToList();
}
else
{
proplist = obj.GetProperties(PropertyType.ALL).ToList();
}
proplist.Insert(0, "");
proplist2 = proplist.Select(x => flowsheet.GetTranslatedString(x)).ToList();
spinprop.Items.Clear();
spinprop.Items.AddRange(proplist2.Select((x) => new ListItem {
Key = x, Text = x
}));
}
});
int idx2 = 0;
if (flowsheet.SimulationObjects.ContainsKey(newiv.objectID))
{
var obj = flowsheet.SimulationObjects[newiv.objectID];
if (newiv.type == DWSIM.SharedClasses.Flowsheet.Optimization.OPTVariableType.Independent)
{
proplist = obj.GetProperties(PropertyType.WR).ToList();
}
else
{
proplist = obj.GetProperties(PropertyType.ALL).ToList();
}
proplist.Insert(0, "");
proplist2 = proplist.Select(x => flowsheet.GetTranslatedString(x)).ToList();
idx2 = proplist.IndexOf(newiv.propID);
}
TextBox tviv = null;
spinprop = s.CreateAndAddDropDownRow(container, "Property", proplist2, idx2, (arg3c, arg2c) =>
{
if (spinprop.SelectedIndex > 0)
{
newiv.propID = proplist[arg3c.SelectedIndex];
newiv.unit = fsheet.SimulationObjects[newiv.objectID].GetPropertyUnit(newiv.propID, su);
newiv.initialvalue = (double)fsheet.SimulationObjects[newiv.objectID].GetPropertyValue(newiv.propID, su);
tviv.Text = newiv.initialvalue.ToString(nf);
}
});
s.CreateAndAddLabelRow(container, "Variable Bounds");
s.CreateAndAddDescriptionRow(container, "Bounds will be taken into account only if you use a bounded solver.");
s.CreateAndAddTextBoxRow(container, nf, "Lower Bound", newiv.lowerlimit.GetValueOrDefault(), (arg3, arg2) => { newiv.lowerlimit = arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddTextBoxRow(container, nf, "Upper Bound", newiv.upperlimit.GetValueOrDefault(), (arg3, arg2) => { newiv.upperlimit = arg3.Text.ToDoubleFromCurrent(); });
s.CreateAndAddLabelRow(container, "Initial Value");
s.CreateAndAddDescriptionRow(container, "Set the initial value of the variable (IND only, other variable types will have their values read from the flowsheet).");
tviv = s.CreateAndAddTextBoxRow(container, nf, "Initial Value", newiv.initialvalue, (arg3, arg2) => { newiv.initialvalue = arg3.Text.ToDoubleFromCurrent(); });
ivcontainer.Items.Add(slcontainer);
}
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();
});
}
