public GridAggregator(IDataStorage context, IGridDataSetMetaData metadata, IArrayAggregator arrayAggregator, ITimeAxisBoundingBoxCalculator timeBBCalc, ISpatGridBoundingBoxCalculator latBBcalc, ISpatGridBoundingBoxCalculator lonBBcalc)
{
this.latBBcalc = latBBcalc;
this.lonBBcalc = lonBBcalc;
this.timeBBCalc = timeBBCalc;
this.arrayAggregator = arrayAggregator;
this.dataStorage = context;
this.metadata = metadata;
}
public GridClusteringDecorator(IDataStorageDefinition storageDefinition, IBatchValueAggregator component, ITimeAxisBoundingBoxCalculator timeAxisBBcalc, ISpatGridBoundingBoxCalculator latAxisBBcalc, ISpatGridBoundingBoxCalculator lonAxisBBcalc, int clusterSizeInMegabytes = 128)
{
this.component = component;
this.clusterSizeInMegabytes = clusterSizeInMegabytes;
this.latAxisBBcalc = latAxisBBcalc;
this.lonAxisBBcalc = lonAxisBBcalc;
this.timeAxisBBcalc = timeAxisBBcalc;
varDataTypes = storageDefinition.VariablesTypes;
}
protected DataDomain CalcDataDomain(ICellRequest[] cells, ITimeAxisBoundingBoxCalculator timeBBcalc, ISpatGridBoundingBoxCalculator latBBcalc, ISpatGridBoundingBoxCalculator lonBBcalc)
{
if (cells.Length == 0)
{
throw new ArgumentException("cells array must contain elements");
}
string variable = cells[0].VariableName;
//calculating bounding box
IndexBoundingBox timeBB = new IndexBoundingBox();
IndexBoundingBox latBB = new IndexBoundingBox();
IndexBoundingBox lonBB = new IndexBoundingBox();
Stopwatch bbCalc = Stopwatch.StartNew();
ts.TraceEvent(TraceEventType.Start, 1, "Calculating bounding box");
var cellArray = cells.ToArray();
foreach (var geoCellTuple in cellArray)
{
IndexBoundingBox timeBB2 = timeBBcalc.GetBoundingBox(geoCellTuple.Time);
IndexBoundingBox latBB2 = latBBcalc.GetBoundingBox(geoCellTuple.LatMin, geoCellTuple.LatMax);
IndexBoundingBox lonBB2 = lonBBcalc.GetBoundingBox(geoCellTuple.LonMin, geoCellTuple.LonMax);
timeBB = IndexBoundingBox.Union(timeBB, timeBB2);
latBB = IndexBoundingBox.Union(latBB, latBB2);
lonBB = IndexBoundingBox.Union(lonBB, lonBB2);
}
bbCalc.Stop();
ts.TraceEvent(TraceEventType.Stop, 1, string.Format("Bounding box calculated in {0}", bbCalc.Elapsed));
if (timeBB.IsSingular || latBB.IsSingular || lonBB.IsSingular)
{
ts.TraceEvent(TraceEventType.Information, 4, "Bounding box is singular. (all cells are out of the data) Returning NoData");
return(null);
}
else
{
ts.TraceEvent(TraceEventType.Information, 5, string.Format("{0} elements in bounding box",
(timeBB.last - timeBB.first + 1) * (latBB.last - latBB.first + 1) * (lonBB.last - lonBB.first + 1)));
}
var dataDomain = ConstructDataDomain(variable, metadata, lonBB, latBB, timeBB);
return(dataDomain);
}
