private IGrid ReadGridFromFile(int gridNo)
{
Envelope evp = _gridStateIndicator.GetEnvelope(gridNo);
Feature[] fets = _reader.GetFeatures(evp);
if (fets != null && fets.Length > 0)
{
fets = TrySplit(fets);
if (fets == null)
{
return(null);
}
evp = fets[0].Geometry.Envelope.Clone() as Envelope;
foreach (Feature fet in fets)
{
fet.SetFeatureClass(_featureClass);
evp.UnionWith(fet.Geometry.Envelope);
}
return(new Grid(gridNo, evp, fets));
}
return(new Grid(gridNo, evp, null));
}