// Reading Methods
public void FillInNetwork(string outFile, Sorting S, BackgroundWorker bgw, List <string> cutEdges) // iterates through data and fills in edge loadings accordingly
{
List <FinalLine> data = S.GetRecordsList();
FinalLine newRec = new FinalLine();
FinalLine oldRec = new FinalLine();
PathClass path; // just used as alias
oldRec = data.First();
RouteFinding rf = new RouteFinding(NodeNumber);
rf.SetupFresh(oldRec.StartStn);
path = rf.Retrace(oldRec.EndStn);
SetupPath(path);
//debugging variables
List <string> droppedStations = new List <string>();
string dropName;
// end debugging variables
foreach (var record in data)
{
newRec.CopyFrom(record);
if (newRec.StartStn != oldRec.StartStn) // need to repeat dijkstra forward and backwards
{
OriginChange(newRec, bgw); // report progress
rf.SetupFresh(newRec.StartStn); // redefines origin and performs dijkstra forwards
path = rf.Retrace(newRec.EndStn); // gets path between origin and destination
SetupPath(path); // alters RecLocs for fast access to desired records
}
else if (newRec.EndStn != oldRec.EndStn) // need only repeat dijkstra backwards
{
path = rf.Retrace(newRec.EndStn); // gets path
SetupPath(path); // alters RecLocs
}
if (RecLocs.Any())
{
IncrementAccordingly(newRec.StartTime, newRec.EndTime); // increment desired records
}
else // debugging purposes only
{
dropName = Backend.StationDiction.GetValue(newRec.EndStn);
if (!droppedStations.Contains(dropName))
{
droppedStations.Add(dropName);
}
DroppedRecords++;
}
oldRec.CopyFrom(newRec);
}
WriteFile(outFile, cutEdges);
SetMaximumLoading();
}
private void IncrementAccordingly(int startTime, int endTime) // increments specified records at appropriate times
{
int offset = (endTime - startTime) / RecLocs.Count();
int time = startTime;
foreach (var recLoc in RecLocs)
{
recLoc.IncrementSpecified(time);
time += offset;
}
}
// Path handling methods
private void SetupPath(PathClass p) // edits RecLocs to point at records specified in path
{
RecLocs.Clear();
int stationAId, stationBId, lineIndex, recordIndex;
stationAId = -1; // prevents first iteration going through
foreach (var node in p.Path)
{
stationBId = node.StationId;
lineIndex = node.LineIndex;
if (stationAId != -1) // avoids first iteration
{
recordIndex = LineRecords[lineIndex].GetRecordIndex(stationAId, stationBId);
if (recordIndex != -1)
{
RecLocs.Add(new RecordLocation(lineIndex, recordIndex));
}
}
stationAId = stationBId;
}
}
