public void LoadData()
{
var loadedSources = DataSources.Select(s => s.Loaded).ToArray();
try
{
var result = ExpressionToExecute.Evaluate(DataSources);
if (result.Error)
{
throw new XTMFRuntimeException(this, "In '" + Name + "' an exception during the execution of the expression occurred.\r\n" + result.ErrorMessage);
}
// check to see if the result is a scalar
if (result.IsValue)
{
if (Root != null)
{
var data = Root.ZoneSystem.ZoneArray.CreateSquareTwinArray <float>();
var flat = data.GetFlatData();
var row = flat[0];
var val = result.LiteralValue;
for (int i = 0; i < row.Length; i++)
{
row[i] = val;
}
for (int i = 1; i < flat.Length; i++)
{
Array.Copy(row, flat[i], row.Length);
}
Data = data;
}
else
{
throw new XTMFRuntimeException(this, "In '" + Name + "' the result of the expression was a Scalar instead of a Matrix and there was no ITravelDemandModel in the ancestry to copy the zone system from!");
}
}
else if (result.IsVectorResult)
{
throw new XTMFRuntimeException(this, "In '" + Name + "' the result of the expression was a Vector instead of a matrix!");
}
else
{
Data = result.OdData;
}
}
finally
{
// unload the data sources that were loaded to evaluate the expression
for (int i = 0; i < loadedSources.Length; i++)
{
if (!loadedSources[i] && DataSources[i].Loaded)
{
DataSources[i].UnloadData();
}
}
}
Loaded = true;
}
public void LoadData()
{
var loadedSources = DataSources.Select(s => s.Loaded).ToArray();
try
{
var result = ExpressionToExecute.Evaluate(DataSources);
if (result.Error)
{
throw new XTMFRuntimeException(this, "In '" + Name + "' an exception during the execution of the expression occurred.\r\n" + result.ErrorMessage);
}
// check to see if the result is a scalar
if (result.IsValue)
{
Data = result.LiteralValue;
}
else if (result.IsVectorResult)
{
throw new XTMFRuntimeException(this, "In '" + Name + "' the result of the expression was a Vector instead of a scalar!");
}
else
{
throw new XTMFRuntimeException(this, "In '" + Name + "' the result of the expression was a Matrix instead of a scalar!");
}
}
finally
{
// unload the data sources that were loaded to evaluate the expression
for (int i = 0; i < loadedSources.Length; i++)
{
if (!loadedSources[i] && DataSources[i].Loaded)
{
DataSources[i].UnloadData();
}
}
}
Loaded = true;
}
