/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
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* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
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*
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*/
package ucar.nc2.ft.point.standard;
import ucar.nc2.ft.point.PointCollectionImpl;
import ucar.nc2.ft.PointFeatureIterator;
import ucar.nc2.units.DateUnit;
import java.io.IOException;
/**
* Implementation of PointFeatureCollection using a NestedTable
* @author caron
* @since Mar 28, 2008
*/
public class StandardPointCollectionImpl extends PointCollectionImpl {
private DateUnit timeUnit;
private NestedTable ft;
StandardPointCollectionImpl(NestedTable ft, DateUnit timeUnit) {
super(ft.getName());
this.ft = ft;
this.timeUnit = timeUnit;
}
public PointFeatureIterator getPointFeatureIterator(int bufferSize) throws IOException {
// only one Cursor object needed - it will be used for each iteration with different structData's
Cursor tableData = new Cursor(ft.getNumberOfLevels());
PointFeatureIterator iter = new StandardPointFeatureIterator( ft, timeUnit, ft.getObsDataIterator(tableData, bufferSize), tableData);
if ((boundingBox == null) || (dateRange == null) || (npts < 0))
iter.setCalculateBounds(this);
return iter;
}
}