public NodeGraph GenerateDesignGraph(int count)
{
if (DataSource.Count < count)
{
ResetDataSource(count);
}
//if (DataSource.Count < count)
var result = new NodeGraph();
Random rand = new Random();
try
{
//Create and add vertices using some DataSource for ID's
foreach (var item in DataSource.Take(count))
{
result.AddVertex(new DataVertex()
{
ID = item.ID, Text = item.Text
});
}
var vlist = result.Vertices.ToList();
//Generate random edges for the vertices
int c = 0;
foreach (var vertex1 in vlist)
{
//if (rand.Next(0, count) > count/10) continue;
var vertex2 = vlist[rand.Next(0, result.VertexCount - 1)];
result.AddEdge(new DataEdge(vertex1, vertex2, 1)
{
Text = string.Format("{0} -> {1}", vertex1, vertex2)
});
if (c % 5 == 0)
{
var vertex3 = vlist[rand.Next(0, result.VertexCount - 1)];
result.AddEdge(new DataEdge(vertex1, vertex3, 0.5)
{
Text = string.Format("{0} -> {1}", vertex1, vertex2)
});
}
c++;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return(result);
}
private void initGraphButton_Click(object sender, EventArgs e)
{
graph = new NodeGraph();
try
{
adjmatrix = Helper.MatrixFromString(matrixBox.Text);
}
catch (FormatException ex)
{
MessageBox.Show(ex.Message, "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
int nodeCount = adjmatrix.GetLength(0);
vertices = new Vertex[nodeCount];
for (int k = 0; k < nodeCount; k++)
{
vertices[k] = new Vertex(k.ToString(), 1.0, 0);
graph.AddVertex(vertices[k]);
}
//dreadnaut für orbits starten
string dreadnautcmd = "n=" + nodeCount + " g ";
for (int irow = 0; irow < nodeCount; irow++)
{
for (int icol = 0; icol < nodeCount; icol++)
{
if (adjmatrix[irow, icol] != 0)
{
graph.AddEdge(new Edge<Vertex>(vertices[irow], vertices[icol]));
dreadnautcmd += icol + " ";
}
}
dreadnautcmd += ";";
}
dreadnautcmd += "x o q";
string path = System.IO.Path.Combine(System.IO.Path.GetTempPath(), "dreadnaut.exe");
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.UseShellExecute = false;
startInfo.RedirectStandardInput = true;
startInfo.RedirectStandardOutput = true;
startInfo.WindowStyle = ProcessWindowStyle.Hidden;
startInfo.FileName = path;
Process process = new Process();
process.StartInfo = startInfo;
try
{
System.IO.File.WriteAllBytes(path, ClusterNum.Properties.Resources.dreadnaut);
process.Start();
}
catch (Exception ex)
{
MessageBox.Show("dreadnaut konnte nicht gestartet werden", "dreadnaut-Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
process.StandardInput.WriteLine(dreadnautcmd);
process.WaitForExit();
System.IO.File.Delete(path);
string ergebnis = process.StandardOutput.ReadToEnd();
//cluster auslesen
cluster = Helper.dreadnaut2cluster(ergebnis);
rmsChart.Series.Clear();
gseries = new Series[nodeCount];
clusterBox.Text = "";
for (int nodenum = 0; nodenum < nodeCount; nodenum++)
{
gseries[nodenum] = new Series();
gseries[nodenum].IsVisibleInLegend = false;
gseries[nodenum].ChartArea = "ChartArea1";
rmsChart.Series.Add(gseries[nodenum]);
}
for (int i = 0; i < cluster.Length; i++)
{
clusterBox.Text += "Cluster " + i + " mit Knoten: ";
foreach (int k in cluster[i])
{
clusterBox.Text += +k + " ";
vertices[k].Cluster = i;
}
clusterBox.Text += "\r\n";
System.Windows.Media.Color coltmp = Vertex.cluster_colors[i % Vertex.cluster_colors.Length];
foreach (int nodenum in cluster[i])
{
if (nodenum == cluster[i][0])
{
gseries[nodenum].LegendText = "Cluster " + i.ToString();
gseries[nodenum].IsVisibleInLegend = true;
}
gseries[nodenum].BorderWidth = 2;
gseries[nodenum].ChartType = SeriesChartType.FastLine;
gseries[nodenum].Color = Color.FromArgb(255, coltmp.R, coltmp.G, coltmp.B);
}
}
//Tmat erstellen
if (networkDropdown.SelectedIndex == 3)
{ //nutze relativkoordinaten wenn custom ausgewählt
TMat = Helper.TMat(cluster);
}
else
{//nutze eingespeicherte
TMat = Helper.TMat(networkDropdown.SelectedIndex);
}
//Parameter für die anordnung. einfach irgendwelche genommen. nochmal drüber nachdenken/nachlesen
GraphControl = new GraphSharpControl();
GraphControl.layout.LayoutMode = LayoutMode.Simple;
GraphControl.layout.LayoutAlgorithmType = "CompoundFDP";
GraphSharp.Algorithms.Layout.Compound.FDP.CompoundFDPLayoutParameters layoutParam = new GraphSharp.Algorithms.Layout.Compound.FDP.CompoundFDPLayoutParameters();
layoutParam.ElasticConstant *= 1.5;
GraphControl.layout.LayoutParameters = layoutParam;
GraphControl.layout.OverlapRemovalConstraint = AlgorithmConstraints.Must;
GraphControl.layout.OverlapRemovalAlgorithmType = "FSA";
GraphSharp.Algorithms.OverlapRemoval.OverlapRemovalParameters overlapParam = new GraphSharp.Algorithms.OverlapRemoval.OverlapRemovalParameters();
overlapParam.HorizontalGap = 25;
overlapParam.VerticalGap = 25;
GraphControl.layout.OverlapRemovalParameters = overlapParam;
GraphControl.layout.HighlightAlgorithmType = "Simple";
GraphControl.layout.Graph = graph;
elementHost1.Child = GraphControl;
graph_loaded = true;
iterator_init();
runButton.Enabled = true;
iterateButton.Enabled = true;
layoutButton.Enabled = true;
betaRunButton.Enabled = true;
}