/// <summary>
/// The main method
/// </summary>
/// <param name="args">
/// no arguments required
/// </param>
static void Main(string[] args)
{
// create example Nodes
INode pb = new Node("Paderborn", 50);
INode ny = new Node("New York", -100);
INode b = new Node("Beijing", 50);
INode sp = new Node("São Paulo", 50);
INode sf = new Node("San Francisco", -50);
// assign these nodes to a list of INodes
var nodes = new List <INode> {
pb, ny, b, sp, sf
};
// create example Edges
IEdge one = new Edge(ny, pb, null, 3, 6100);
IEdge two = new Edge(b, ny, null, 2, 11000);
IEdge three = new Edge(sp, b, 75, 1, 17600);
IEdge four = new Edge(sf, sp, null, 4, 10500);
IEdge five = new Edge(sp, pb, null, 5, 9900);
IEdge six = new Edge(pb, b, 50, 1, 7600);
// assign these edges to a list of IEdges
var edges = new List <IEdge> {
one, two, three, four, five, six
};
// Use long names for easier debugging/model understanding.
var config = new Configuration();
config.NameHandling = NameHandlingStyle.UniqueLongNames;
config.ComputeRemovedVariables = true;
using (var scope = new ModelScope(config))
{
// create a model, based on given data and the model scope
var designModel = new NetworkDesignModel(nodes, edges);
// Get a solver instance, change your solver
using (var solver = new GurobiSolver())
{
// solve the model
var solution = solver.Solve(designModel.Model);
// import the results back into the model
designModel.Model.VariableCollections.ForEach(vc => vc.SetVariableValues(solution.VariableValues));
// print objective and variable decisions
Console.WriteLine($"{solution.ObjectiveValues.Single()}");
designModel.x.Variables.ForEach(x => Console.WriteLine($"{x.ToString().PadRight(36)}: {x.Value}"));
designModel.y.Variables.ForEach(y => Console.WriteLine($"{y.ToString().PadRight(36)}: {y.Value}"));
designModel.Model.VariableStatistics.WriteCSV(AppDomain.CurrentDomain.BaseDirectory);
}
}
}
public void Init()
{
// create example Nodes
INode pb = new Node("Paderborn", 50);
INode ny = new Node("New York", -100);
INode b = new Node("Beijing", 50);
INode sp = new Node("São Paulo", 50);
INode sf = new Node("San Francisco", -50);
// assign these nodes to a list of INodes
nodes = new List <INode> {
pb, ny, b, sp, sf
};
// create example Edges
IEdge one = new Edge(ny, pb, null, 3, 6100);
IEdge two = new Edge(b, ny, null, 2, 11000);
IEdge three = new Edge(sp, b, 75, 1, 17600);
IEdge four = new Edge(sf, sp, null, 4, 10500);
IEdge five = new Edge(sp, pb, null, 5, 9900);
IEdge six = new Edge(pb, b, 50, 1, 7600);
// assign these edges to a list of IEdges
edges = new List <IEdge> {
one, two, three, four, five, six
};
// Use long names for easier debugging/model understanding.
configuration = new Configuration();
configuration.NameHandling = NameHandlingStyle.UniqueLongNames;
configuration.ComputeRemovedVariables = true;
using (var scope = new ModelScope(configuration))
{
// create a model, based on given data and the model scope
designModel = new NetworkDesignModel(nodes, edges);
// Get a solver instance, change your solver
using (var solver = new GurobiSolver())
{
// solve the model
// if this fails: check if this project references the solver. Add one and update the using, if required.
var solution = solver.Solve(designModel.Model);
// import the results back into the model
designModel.Model.VariableCollections.ForEach(vc => vc.SetVariableValues(solution.VariableValues));
scope.ModelBehavior = OPTANO.Modeling.Optimization.Configuration.ModelBehavior.Manual;
}
}
}
