@Override
public PointFeatureCollection flatten(
List<String> stations, CalendarDateRange dateRange, List<VariableSimpleIF> varList)
throws IOException {
TimedCollection subsetCollection =
(dateRange != null) ? dataCollection.subset(dateRange) : dataCollection;
return new CompositeStationCollectionFlattened(
getName(), getTimeUnit(), getAltUnits(), stations, dateRange, varList, subsetCollection);
}
@Override
public PointFeatureCollection flatten(LatLonRect boundingBox, CalendarDateRange dateRange)
throws IOException {
TimedCollection subsetCollection =
(dateRange != null) ? dataCollection.subset(dateRange) : dataCollection;
return new CompositeStationCollectionFlattened(
getName(), getTimeUnit(), getAltUnits(), boundingBox, dateRange, subsetCollection);
// return flatten(stationHelper.getStations(boundingBox), dateRange, null);
}
@Override
public StationTimeSeriesFeature subset(CalendarDateRange dateRange) throws IOException {
if (dateRange == null) return this;
// Extract the collection members that intersect dateRange. For example, if we have:
// collForFeature == CollectionManager{
// Dataset{location='foo_20141015.nc', dateRange=2014-10-15T00:00:00Z -
// 2014-10-16T00:00:00Z}
// Dataset{location='foo_20141016.nc', dateRange=2014-10-16T00:00:00Z -
// 2014-10-17T00:00:00Z}
// Dataset{location='foo_20141017.nc', dateRange=2014-10-17T00:00:00Z -
// 2014-10-18T00:00:00Z}
// Dataset{location='foo_20141018.nc', dateRange=2014-10-18T00:00:00Z -
// 2014-10-19T00:00:00Z}
// }
// and we want to subset it with:
// dateRange == 2014-10-16T12:00:00Z - 2014-10-17T12:00:00Z
// the result will be:
// collectionSubset == CollectionManager{
// Dataset{location='foo_20141016.nc', dateRange=2014-10-16T00:00:00Z -
// 2014-10-17T00:00:00Z}
// Dataset{location='foo_20141017.nc', dateRange=2014-10-17T00:00:00Z -
// 2014-10-18T00:00:00Z}
// }
TimedCollection collectionSubset = collForFeature.subset(dateRange);
// Create a new CompositeStationFeature from the subsetted collection.
CompositeStationFeature compStnFeatSubset =
new CompositeStationFeature(s, getTimeUnit(), getAltUnits(), sdata, collectionSubset);
// We're not done yet! While compStnFeatSubset has been limited to only include datasets that
// intersect dateRange,
// it'll often be the case that those datasets contain some times that we don't want. In the
// example above,
// we only want:
// dateRange == 2014-10-16T12:00:00Z - 2014-10-17T12:00:00Z
// but the range of compStnFeatSubset is:
// 2014-10-16T00:00:00Z - 2014-10-18T00:00:00Z
// We don't want the first or last 12 hours! So, wrap in a StationFeatureSubset to do
// per-feature filtering.
// Note that the TimedCollection.subset() call above is still worth doing, as it limits the
// number of features
// we must iterate over.
return new StationFeatureSubset(compStnFeatSubset, dateRange);
}
