private IEnumerable <IPs[]> PrepareIPsForCells(string variableName, IEnumerable <ICellRequest> t)
{
bool is2D = dataSetInfo.GetTimeDim(variableName) == -1;
if (is2D)
{
foreach (var item in t)
{
IPs[] ipsArray = new IPs[2];
IPs lat = latAxisIntegrator.GetIPsForCell(item.LatMin, item.LatMax);
IPs lon = lonAxisIntegrator.GetIPsForCell(item.LonMin, item.LonMax);
ipsArray[dataSetInfo.GetLatitudeDim(variableName)] = lat;
ipsArray[dataSetInfo.GetLongitudeDim(variableName)] = lon;
yield return(ipsArray);
}
}
else
{
foreach (var item in t)
{
IPs[] ipsArray = new IPs[3];
IPs time = timeAxisIntegrator.GetTempIPs(item.Time);
IPs lat = latAxisIntegrator.GetIPsForCell(item.LatMin, item.LatMax);
IPs lon = lonAxisIntegrator.GetIPsForCell(item.LonMin, item.LonMax);
ipsArray[dataSetInfo.GetTimeDim(variableName)] = time;
ipsArray[dataSetInfo.GetLatitudeDim(variableName)] = lat;
ipsArray[dataSetInfo.GetLongitudeDim(variableName)] = lon;
yield return(ipsArray);
}
}
}
private IEnumerable <int[][]> PrepareIndicesForCells(string variableName, IEnumerable <ICellRequest> t)
{
bool is2D = dataSetInfo.GetTimeDim(variableName) == -1;
if (is2D)
{
foreach (var item in t)
{
int[][] idxArray = new int[2][];
int[] latIndices = latAxisDataMaskProvider.GetDataIndices(item.LatMin, item.LatMax);
int[] lonIndices = lonAxisDataMaskProvider.GetDataIndices(item.LonMin, item.LonMax);
idxArray[dataSetInfo.GetLatitudeDim(variableName)] = latIndices;
idxArray[dataSetInfo.GetLongitudeDim(variableName)] = lonIndices;
yield return(idxArray);
}
}
else
{
foreach (var item in t)
{
int[][] idxArray = new int[3][];
int[] time = timeAxisDataMaskProvider.GetDataIndices(item.Time);
int[] lat = latAxisDataMaskProvider.GetDataIndices(item.LatMin, item.LatMax);
int[] lon = lonAxisDataMaskProvider.GetDataIndices(item.LonMin, item.LonMax);
idxArray[dataSetInfo.GetTimeDim(variableName)] = time;
idxArray[dataSetInfo.GetLatitudeDim(variableName)] = lat;
idxArray[dataSetInfo.GetLongitudeDim(variableName)] = lon;
yield return(idxArray);
}
}
}
private DataDomain ConstructDataDomain(string variable, IGridDataSetMetaData dataSetInfo, IndexBoundingBox lonBB, IndexBoundingBox latBB, IndexBoundingBox timeBB)
{
int[] origin = null, shape = null;
int varaibleRank = dataSetInfo.GetVariableRank(variable);
if (varaibleRank > 3)
{
throw new InvalidOperationException("Variables with rank >3 are not supported");
}
origin = new int[varaibleRank];
shape = new int[varaibleRank];
int latDimNum = dataSetInfo.GetLatitudeDim(variable);
int lonDimNum = dataSetInfo.GetLongitudeDim(variable);
int timeDimNum = dataSetInfo.GetTimeDim(variable);
origin[latDimNum] = latBB.first; shape[latDimNum] = latBB.last - latBB.first + 1;
if (latDimNum != lonDimNum)
{
origin[lonDimNum] = lonBB.first; shape[lonDimNum] = lonBB.last - lonBB.first + 1;
}
if (timeDimNum != -1)
{
origin[timeDimNum] = timeBB.first; shape[timeDimNum] = timeBB.last - timeBB.first + 1;
}
return(new DataDomain()
{
Origin = origin, Shape = shape
});
}