private void CalculateDocuments()
{
var scheme = _scheme;
var nodeList = _tree.BFS(_tree.Root);
foreach (var node in nodeList)
{
scheme.SetTopicLeafDocIndices(node, new List <int>());
if (scheme.GetDocIndex(node) >= 0)
{
scheme.GetTopicLeafDocIndices(node).Add(scheme.GetDocIndex(node));
}
}
foreach (var node in nodeList.Reverse())
{
var docList = scheme.GetTopicLeafDocIndices(node);
var parent = _tree.GetParent(node);
if (parent != null)
{
scheme.GetTopicLeafDocIndices(parent).AddRange(docList);
}
}
}
private void ViewTreemap()
{
var polygonTable = Vis.BuildVisualTable("poly", Display, 1);
polygonTable.AddColumn <Brush>(Styles.StrokeBrush, BrushLib.FromColor(Colors.Black));
polygonTable.AddColumn <Brush>(Styles.FillBrush, BrushLib.FromColor(Colors.White));
polygonTable.EnsureStyles(Styles.X, Styles.Y, Styles.Opacity, Styles.StrokeWidth);
polygonTable.AddColumn <List <double> >("polygon", null);
polygonTable.AddColumn <double>("depth", 0);
//polygonTable.AddColumn<INode>("node", null);
int depth_idx = polygonTable.GetColumnIndex("depth");
int polygon_idx = polygonTable.GetColumnIndex("polygon");
//int node_idx = polygonTable.GetColumnIndex("node");
var node_list = Treemap.BFS(Treemap.Root).Reverse <INode>();
foreach (INode i in node_list)
{
int depth = Treemap.GetDepth(i);
if (depth > 0)
{
int height = MaxDepth - depth + 1;
int row = polygonTable.AddRow();
polygonTable.Set <List <double> >(row, polygon_idx, i.Get <Polygon>("attribute").ToListDouble());
//polygonTable.Set<INode>(row, node_idx, i);
polygonTable.Set <double>(row, Styles.StrokeWidth, 1.5 * height / MaxDepth);
if (depth > 2)
{
polygonTable.Set <Brush>(row, Styles.StrokeBrush, BrushLib.FromColor(ColorLib.NewAlpha(Colors.Black, 0.4)));
}
polygonTable.Set <Brush>(row, Styles.FillBrush, BrushLib.FromColor(Color.FromArgb(Convert.ToByte(40 + 20 * height / MaxDepth), Convert.ToByte(30 * depth / MaxDepth), 0, Convert.ToByte(255 * height / MaxDepth))));
//polygonTable.Set<Brush>(row, Styles.FillBrush, BrushLib.FromColor(ColorLib.NewAlpha(ColorLib.Category10[0], 0.3)));
}
}
//polygonTable.AutoRepaint = true;
var polygonRender = new GeometryRender(vi =>
{
var polygon = GeometryLib.Polygon(vi.Get <List <double> >(polygon_idx), true, true);
return(polygon);
});
polygonTable.SetupRender(polygonRender);
}
