private Dictionary <ImmutableList <HeaderLevel>, PointPairList> GetColumnPointPairLists(
PivotedProperties.SeriesGroup seriesGroup, int xAxisIndex, int yAxisIndex)
{
var pointLists = new Dictionary <ImmutableList <HeaderLevel>, PointPairList>();
var results = Clusterer.PerformPcaOnColumnGroup(seriesGroup, Math.Max(xAxisIndex, yAxisIndex) + 1);
var headerLevels = Clusterer.Properties.GetColumnHeaders(seriesGroup).ToList();
for (int iColumn = 0; iColumn < results.ItemComponents.Count; iColumn++)
{
var headers = new List <HeaderLevel>();
foreach (var series in headerLevels)
{
var pd = series.PropertyDescriptors[iColumn];
var objectValue = Clusterer.RowItems.Select(pd.GetValue).FirstOrDefault(value => null != value);
headers.Add(new HeaderLevel(series.SeriesCaption, objectValue, ColorScheme.GetColor(series, objectValue) ?? MISSING_COLOR));
}
var key = ImmutableList.ValueOf(headers);
PointPairList pointPairList;
if (!pointLists.TryGetValue(key, out pointPairList))
{
pointPairList = new PointPairList();
pointLists.Add(key, pointPairList);
}
var pointInfo = new PointInfo(key);
var cellLocator = CellLocator.ForColumn(headerLevels.Select(series => series.PropertyDescriptors[iColumn]).ToList(),
ImmutableList.Empty <DataPropertyDescriptor>());
var rowItem = Clusterer.RowItems[0];
pointInfo = pointInfo.ChangeIdentityPath(cellLocator.GetSkylineDocNode(rowItem)?.IdentityPath)
.ChangeReplicateName(cellLocator.GetReplicate(rowItem)?.Name);
var pointPair = new PointPair(results.ItemComponents[iColumn][xAxisIndex],
results.ItemComponents[iColumn][yAxisIndex])
{
Tag = pointInfo
};
pointPairList.Add(pointPair);
}
return(pointLists);
}