/// <summary>
/// Load the network from a 211 file
/// </summary>
/// <param name="fileName211"></param>
public void LoadNetwork(string fileName211)
{
Dictionary<int, Node> nodes = new Dictionary<int, Node>();
Dictionary<Pair<int, int>, Link> links = new Dictionary<Pair<int, int>, Link>();
using ( StreamReader reader = new StreamReader( fileName211 ) )
{
string line = null;
// run until we get to the link information
while ( ( line = reader.ReadLine() ) != null )
{
string[] parts = line.Split( SplitCharacters, StringSplitOptions.RemoveEmptyEntries );
try
{
var numberOfParts = parts.Length;
if ( numberOfParts >= 3 && parts[0].Length > 0 )
{
int offset = -1;
if ( parts[0][0] == 'a' )
{
offset = 0;
}
else if ( parts[0][0] == 'c' )
{
continue;
}
Node node = new Node();
if ( offset == -1 )
{
node.IsCentroid = false;
}
else
{
node.IsCentroid = ( parts[0].Length >= 2 && parts[0] == "a*" );
}
node.Number = int.Parse( parts[1 + offset] );
node.X = float.Parse( parts[2 + offset] );
node.Y = float.Parse( parts[3 + offset] );
if ( numberOfParts > 4 + offset )
{
node.USER1 = int.Parse( parts[4 + offset] );
if ( numberOfParts > 5 + offset )
{
node.USER2 = int.Parse( parts[5 + offset] );
if ( numberOfParts > 6 + offset )
{
node.NodeType = int.Parse( parts[6 + offset] );
node.Modified = false;
if ( parts.Length > 7 + offset )
{
node.NodeLabel = parts[7 + offset];
}
else
{
node.NodeLabel = node.Number.ToString();
}
}
}
}
nodes.Add( node.Number, node );
}
}
catch { }
if ( line != null && line.StartsWith( "t links" ) )
{
break;
}
}
while ( ( line = reader.ReadLine() ) != null )
{
try
{
string[] parts = line.Split( SplitCharacters, StringSplitOptions.RemoveEmptyEntries );
if ( parts.Length > 7 )
{
Link link;
link.I = int.Parse( parts[1] );
link.J = int.Parse( parts[2] );
link.Length = float.Parse( parts[3] );
link.Modes = parts[4].ToLower().ToCharArray();
link.LinkType = int.Parse( parts[5] );
link.Lanes = float.Parse( parts[6] );
link.VDF = float.Parse( parts[7] );
// We don't load [8]
link.Speed = float.Parse( parts[9] );
link.Capacity = float.Parse( parts[10] );
link.Modified = false;
links.Add( new Pair<int, int>( link.I, link.J ), link );
}
}
catch { }
}
}
// Now that we have loaded the data it is time to create the sparse structures
var numberOfLinks = links.Count;
var first = new int[numberOfLinks];
var second = new int[numberOfLinks];
var data = new Link[numberOfLinks];
int i = 0;
foreach ( var l in links.Values )
{
first[i] = l.I;
second[i] = l.J;
data[i] = l;
i++;
}
if ( nodes.Values.Count == 0 )
{
this.Nodes = null;
}
else
{
this.Nodes = SparseArray<Node>.CreateSparseArray( ( n => n.Number ), nodes.Values.ToArray() );
}
if ( numberOfLinks == 0 )
{
this.Links = null;
}
else
{
this.Links = SparseTwinIndex<Link>.CreateTwinIndex( first, second, data );
}
}
private void WriteLink(StreamWriter writer, Link link)
{
writer.WriteLine( "m {0} {1} {2} {3} {4} {5} {6} 0 {7} {8}",
link.I, link.J, link.Length, new string( link.Modes ), link.LinkType, link.Lanes, link.VDF, link.Speed, link.Capacity );
}