/// <summary>
/// Loads a network from a textfile in which each edge is given by a line of whitespace- or comma-seperated strings representing two nodes
/// </summary>
/// <param name="path">
/// The path of the textfile
/// </param>
/// <returns>
/// The network
/// </returns>
public static Network LoadFromEdgeFile(string path)
{
// First read all lines
string[] lines = System.IO.File.ReadAllLines(path);
Network net = new Network();
// Then process them in parallel
System.Threading.Tasks.Parallel.ForEach(lines, s =>
{
string[] vertices = s.Split(' ', '\t');
if (vertices.Length >= 2)
{
Vertex v1 = net.SearchVertex(vertices[0]);
Vertex v2 = net.SearchVertex(vertices[1]);
// this needs to be atomic
lock (net)
{
if (v1 == null)
{
v1 = net.CreateVertex(vertices[0]);
}
if (v2 == null)
{
v2 = net.CreateVertex(vertices[1]);
}
}
Edge e = net.CreateEdge(v1, v2, EdgeType.Undirected);
if (vertices.Length == 3)
{
try {
e.Weight = float.Parse(vertices[2]);
}
catch
{
Logger.AddMessage(LogEntryType.Warning, "Could not parse edge weight.");
}
}
}
});
return(net);
}
public static Network LoadFromCXF(string filename)
{
string[] cxf = System.IO.File.ReadAllLines(filename);
Network n = new Network();
foreach (string s in cxf)
{
string type = s.Substring(0, s.IndexOf(":"));
if (type == "node")
{
string label = ExtractNodeLabel(s);
n.CreateVertex(label);
// if(colorizer!= null && extractColor(s)!=Color.Empty)
// colorizer[v] = extractColor(s);
}
else if (type == "edge")
{
string sourceLabel = ExtractSourceLabel(s);
string targetLabel = ExtractTargetLabel(s);
n.CreateEdge(n.SearchVertex(sourceLabel), n.SearchVertex(targetLabel));
}
}
return(n);
}
public static void TryAddTypeRelation(Network n, Type v, Type w)
{
if(v == null || w == null || v.FullName == null || w.FullName == null)
return;
Vertex v_Vert = n.SearchVertex(v.FullName);
Vertex w_Vert = n.SearchVertex(w.FullName);
if(v_Vert != null && w_Vert != null)
n.CreateEdge(v_Vert, w_Vert, EdgeType.DirectedAB);
}
/// <summary>
/// Loads a network from a textfile in which each edge is given by a line of whitespace- or comma-seperated strings representing two nodes
/// </summary>
/// <param name="path">
/// The path of the textfile
/// </param>
/// <returns>
/// The network
/// </returns>
public static Network LoadFromEdgeFile(string path)
{
// First read all lines
string[] lines = System.IO.File.ReadAllLines(path);
Network net = new Network();
// Then process them in parallel
System.Threading.Tasks.Parallel.ForEach(lines, s =>
{
string[] vertices = s.Split(' ', '\t');
if(vertices.Length>=2)
{
Vertex v1 = net.SearchVertex(vertices[0]);
Vertex v2 = net.SearchVertex(vertices[1]);
// this needs to be atomic
lock(net)
{
if(v1 == null)
v1 = net.CreateVertex(vertices[0]);
if (v2 == null)
v2 = net.CreateVertex(vertices[1]);
}
Edge e = net.CreateEdge(v1, v2, EdgeType.Undirected);
if (vertices.Length==3) {
try {
e.Weight = float.Parse(vertices[2]);
}
catch
{
Logger.AddMessage(LogEntryType.Warning, "Could not parse edge weight.");
}
}
}
});
return net;
}
public static Network LoadFromCXF(string filename)
{
string[] cxf = System.IO.File.ReadAllLines(filename);
Network n = new Network();
foreach(string s in cxf)
{
string type = s.Substring(0, s.IndexOf(":"));
if(type=="node")
{
string label = ExtractNodeLabel(s);
n.CreateVertex(label);
// if(colorizer!= null && extractColor(s)!=Color.Empty)
// colorizer[v] = extractColor(s);
}
else if (type=="edge")
{
string sourceLabel = ExtractSourceLabel (s);
string targetLabel = ExtractTargetLabel (s);
n.CreateEdge(n.SearchVertex(sourceLabel), n.SearchVertex(targetLabel));
}
}
return n;
}
/// <summary>
/// Loads a network from a textfile in which each edge is given by a line of whitespace- or comma-seperated strings representing two nodes
/// </summary>
/// <param name="path">
/// The path of the textfile
/// </param>
/// <returns>
/// The network
/// </returns>
public static Network LoadFromEdgeFile(string path)
{
// First read all lines
string[] lines = System.IO.File.ReadAllLines(path);
Network net = new Network();
// Then process them in parallel
System.Threading.Tasks.Parallel.ForEach(lines, s =>
{
string[] vertices = s.Split(' ', '\t', ',');
if(vertices.Length==2)
{
Vertex v1 = net.SearchVertex(vertices[0]);
Vertex v2 = net.SearchVertex(vertices[1]);
// this needs to be atomic
lock(net)
{
if(v1 == null)
v1 = net.CreateVertex(vertices[0]);
if (v2 == null)
v2 = net.CreateVertex(vertices[1]);
}
net.CreateEdge(v1, v2, EdgeType.Undirected);
}
});
return net;
}
