public void LoadData()
{
var ret = Data;
bool firstTime = false;
if (ret == null)
{
Data = ret = ZoneSystemHelper.CreatePDTwinArray <float>(Root.ZoneSystem.ZoneArray);
firstTime = true;
}
var data = ret.GetFlatData();
// initialize the data
if (data.Length > 0)
{
if (firstTime)
{
for (int i = 0; i < data.Length; i++)
{
var row = data[i];
for (int j = 0; j < row.Length; j++)
{
row[j] = 1.0f;
}
}
}
// now load in our kfactors
for (int i = 0; i < Factors.Length; i++)
{
data[ret.GetFlatIndex(Factors[i].OriginPD)][ret.GetFlatIndex(Factors[i].DestinationPD)] = Factors[i].Factor;
}
}
Loaded = true;
}
public void Start()
{
if (FirstTime || LoadTruthEveryTime)
{
ZoneSystem.LoadData();
foreach (var network in NetworkData)
{
network.LoadData();
}
truth = TruthData.AcquireResource <SparseTwinIndex <float> >().GetFlatData();
TruthData.ReleaseResource();
}
var model = ModelData.AcquireResource <SparseTriIndex <float> >().GetFlatData();
var zones = ZoneSystem.ZoneArray.GetFlatData();
// sum up the truth
if (FirstTime || LoadTruthEveryTime)
{
// we only need to do this once
TruthRows = (from row in truth
select row.Sum()).ToArray();
InverseOfTotalTrips = 1.0f / TruthRows.Sum();
if (AggregateToPlanningDistricts)
{
PDError = ZoneSystemHelper.CreatePDTwinArray <float>(ZoneSystem.ZoneArray);
ZoneToPDIndexMap = (from zone in zones
select PDError.GetFlatIndex(zone.PlanningDistrict)).ToArray();
// transform the truth to be PD based
truth = AggregateResults((new float[][][] { truth }), zones)
.Select(row => row.Select(element => element).ToArray()).ToArray();
}
FirstTime = false;
}
var aggregated = AggregateResults(model, zones);
// calculate the error
float error = ComputeError(truth, aggregated);
// set the value in the root
Root.RetrieveValue = () => error;
if (ModelSaveFile != null)
{
SaveData.SaveMatrix(zones, AggregateResults(model, zones), ModelSaveFile);
}
if (this.DistanceHistogram != null)
{
var distances = ZoneSystem.Distances.GetFlatData();
this.DistanceHistogram.Export(distances, model);
}
ModelData.ReleaseResource();
for (int i = 0; i < PostRun.Length; i++)
{
PostRun[i].Start();
}
}
