/// <summary>
/// This creates solid colored blobs with areas proportional to the number of items contained. When the user
/// mouses over a blob, the caller can show examples of the items as tooltips
/// </summary>
public static void ShowResults2D_Blobs(Border border, SOMResult result, Func<SOMNode, Color> getNodeColor, BlobEvents events = null)
{
#region validate
#if DEBUG
if (!result.Nodes.All(o => o.Position.Length == 2))
{
throw new ArgumentException("Node positions need to be 2D");
}
#endif
#endregion
Point[] points = result.Nodes.
Select(o => new Point(o.Position[0], o.Position[1])).
ToArray();
VoronoiResult2D voronoi = Math2D.GetVoronoi(points, true);
voronoi = Math2D.CapVoronoiCircle(voronoi);
Color[] colors = result.Nodes.
Select(o => getNodeColor(o)).
ToArray();
//ISOMInput[][] inputsByNode = UtilityCore.ConvertJaggedArray<ISOMInput>(result.InputsByNode);
Vector size = new Vector(border.ActualWidth - border.Padding.Left - border.Padding.Right, border.ActualHeight - border.Padding.Top - border.Padding.Bottom);
Canvas canvas = DrawVoronoi_Blobs(voronoi, colors, result.Nodes, result.InputsByNode, size.X.ToInt_Floor(), size.Y.ToInt_Floor(), events);
border.Child = canvas;
}
/// <summary>
/// This creates solid colored blobs with areas proportional to the number of items contained. When the user
/// mouses over a blob, the caller can show examples of the items as tooltips
/// </summary>
public static void ShowResults2D_Blobs(Border border, SOMResult result, Func <SOMNode, Color> getNodeColor, BlobEvents events = null)
{
#region validate
#if DEBUG
if (!result.Nodes.All(o => o.Position.Size == 2))
{
throw new ArgumentException("Node positions need to be 2D");
}
#endif
#endregion
Point[] points = result.Nodes.
Select(o => new Point(o.Position[0], o.Position[1])).
ToArray();
VoronoiResult2D voronoi = Math2D.GetVoronoi(points, true);
voronoi = Math2D.CapVoronoiCircle(voronoi);
Color[] colors = result.Nodes.
Select(o => getNodeColor(o)).
ToArray();
//ISOMInput[][] inputsByNode = UtilityCore.ConvertJaggedArray<ISOMInput>(result.InputsByNode);
Vector size = new Vector(border.ActualWidth - border.Padding.Left - border.Padding.Right, border.ActualHeight - border.Padding.Top - border.Padding.Bottom);
Canvas canvas = DrawVoronoi_Blobs(voronoi, colors, result.Nodes, result.InputsByNode, size.X.ToInt_Floor(), size.Y.ToInt_Floor(), events);
border.Child = canvas;
}
private static Canvas DrawVoronoi_Tiled(VoronoiResult2D voronoi, SOMNode[] nodes, ISOMInput[][] images, int imageWidth, int imageHeight, int tileWidth, int tileHeight, Action <DrawTileArgs> drawTile, BlobEvents events)
{
#region transform
var aabb = Math2D.GetAABB(voronoi.EdgePoints);
TransformGroup transform = new TransformGroup();
transform.Children.Add(new TranslateTransform(-aabb.Item1.X, -aabb.Item1.Y));
transform.Children.Add(new ScaleTransform(imageWidth / (aabb.Item2.X - aabb.Item1.X), imageHeight / (aabb.Item2.Y - aabb.Item1.Y)));
#endregion
Canvas retVal = new Canvas();
for (int cntr = 0; cntr < voronoi.ControlPoints.Length; cntr++)
{
#region polygon
Polygon polygon = new Polygon();
if (voronoi.EdgesByControlPoint[cntr].Length < 3)
{
throw new ApplicationException("Expected at least three edge points");
}
Edge2D[] edges = voronoi.EdgesByControlPoint[cntr].Select(o => voronoi.Edges[o]).ToArray();
Point[] edgePoints = Edge2D.GetPolygon(edges, 1d);
edgePoints = edgePoints.
Select(o => transform.Transform(o)).
ToArray();
foreach (Point point in edgePoints)
{
polygon.Points.Add(point);
}
polygon.Fill = GetTiledSamples(edgePoints, images[cntr], nodes[cntr], tileWidth, tileHeight, drawTile);
polygon.Stroke = new SolidColorBrush(UtilityWPF.GetRandomColor(64, 192));
polygon.StrokeThickness = 2;
polygon.Tag = Tuple.Create(nodes[cntr], images[cntr]);
if (events != null)
{
if (events.MouseMove != null && events.MouseLeave != null)
{
polygon.MouseMove += Polygon2D_MouseMove;
polygon.MouseLeave += Polygon2D_MouseLeave;
}
if (events.Click != null)
{
polygon.MouseUp += Polygon_MouseUp;
}
}
retVal.Children.Add(polygon);
#endregion
}
return(retVal);
}
private static Canvas DrawVoronoi_Blobs(VoronoiResult2D voronoi, Color[] colors, SOMNode[] nodes, ISOMInput[][] inputsByNode, int imageWidth, int imageHeight, BlobEvents events)
{
const double MARGINPERCENT = 1.05;
// Analyze size ratios
double[] areas = AnalyzeVoronoiCellSizes(voronoi, inputsByNode);
#region transform
var aabb = Math2D.GetAABB(voronoi.EdgePoints);
aabb = Tuple.Create((aabb.Item1.ToVector() * MARGINPERCENT).ToPoint(), (aabb.Item2.ToVector() * MARGINPERCENT).ToPoint());
TransformGroup transform = new TransformGroup();
transform.Children.Add(new TranslateTransform(-aabb.Item1.X, -aabb.Item1.Y));
transform.Children.Add(new ScaleTransform(imageWidth / (aabb.Item2.X - aabb.Item1.X), imageHeight / (aabb.Item2.Y - aabb.Item1.Y)));
#endregion
Canvas retVal = new Canvas();
retVal.Effect = new DropShadowEffect()
{
Color = Colors.Gray,
Opacity = .2,
BlurRadius = 5,
Direction = 0,
ShadowDepth = 0,
};
for (int cntr = 0; cntr < voronoi.ControlPoints.Length; cntr++)
{
#region polygon
Polygon polygon = new Polygon();
if (voronoi.EdgesByControlPoint[cntr].Length < 3)
{
throw new ApplicationException("Expected at least three edge points");
}
Edge2D[] edges = voronoi.EdgesByControlPoint[cntr].Select(o => voronoi.Edges[o]).ToArray();
Point[] edgePoints = Edge2D.GetPolygon(edges, 1d);
// Resize to match the desired area
edgePoints = ResizeConvexPolygon(edgePoints, areas[cntr]);
// Convert into a smooth blob
BezierSegment3D[] bezier = BezierUtil.GetBezierSegments(edgePoints.Select(o => o.ToPoint3D()).ToArray(), .25, true);
edgePoints = BezierUtil.GetPath(75, bezier).
Select(o => o.ToPoint2D()).
ToArray();
// Transform to canvas coords
edgePoints = edgePoints.
Select(o => transform.Transform(o)).
ToArray();
foreach (Point point in edgePoints)
{
polygon.Points.Add(point);
}
polygon.Fill = new SolidColorBrush(colors[cntr]);
polygon.Stroke = null; // new SolidColorBrush(UtilityWPF.OppositeColor(colors[cntr], false));
polygon.StrokeThickness = 1;
polygon.Tag = Tuple.Create(events, nodes[cntr], inputsByNode[cntr]);
if (events != null)
{
if (events.MouseMove != null && events.MouseLeave != null)
{
polygon.MouseMove += Polygon2D_MouseMove;
polygon.MouseLeave += Polygon2D_MouseLeave;
}
if (events.Click != null)
{
polygon.MouseUp += Polygon_MouseUp;
}
}
retVal.Children.Add(polygon);
#endregion
}
return(retVal);
}
/// <summary>
/// This divides the border up into a voronoi, then each node is tiled with examples
/// </summary>
public static void ShowResults2D_Tiled(Border border, SOMResult result, int tileWidth, int tileHeight, Action <DrawTileArgs> drawTile, BlobEvents events = null)
{
//TODO: Take a func that will render the input onto a writable bitmap, or something dynamic but efficient?
// or take these in?
//int tileWidth, int tileHeight
Point[] points = result.Nodes.
Select(o => new Point(o.Position[0], o.Position[1])).
ToArray();
Vector size = new Vector(border.ActualWidth - border.Padding.Left - border.Padding.Right, border.ActualHeight - border.Padding.Top - border.Padding.Bottom);
VoronoiResult2D voronoi = Math2D.GetVoronoi(points, true);
voronoi = Math2D.CapVoronoiCircle(voronoi);
//voronoi = Math2D.CapVoronoiRectangle(voronoi, aspectRatio: 1d); //TODO: Implement this
Canvas canvas = DrawVoronoi_Tiled(voronoi, result.Nodes, result.InputsByNode, size.X.ToInt_Floor(), size.Y.ToInt_Floor(), tileWidth, tileHeight, drawTile, events);
border.Child = canvas;
}
private static Canvas DrawVoronoi_Tiled(VoronoiResult2D voronoi, SOMNode[] nodes, ISOMInput[][] images, int imageWidth, int imageHeight, int tileWidth, int tileHeight, Action<DrawTileArgs> drawTile, BlobEvents events)
{
#region transform
var aabb = Math2D.GetAABB(voronoi.EdgePoints);
TransformGroup transform = new TransformGroup();
transform.Children.Add(new TranslateTransform(-aabb.Item1.X, -aabb.Item1.Y));
transform.Children.Add(new ScaleTransform(imageWidth / (aabb.Item2.X - aabb.Item1.X), imageHeight / (aabb.Item2.Y - aabb.Item1.Y)));
#endregion
Canvas retVal = new Canvas();
for (int cntr = 0; cntr < voronoi.ControlPoints.Length; cntr++)
{
#region polygon
Polygon polygon = new Polygon();
if (voronoi.EdgesByControlPoint[cntr].Length < 3)
{
throw new ApplicationException("Expected at least three edge points");
}
Edge2D[] edges = voronoi.EdgesByControlPoint[cntr].Select(o => voronoi.Edges[o]).ToArray();
Point[] edgePoints = Edge2D.GetPolygon(edges, 1d);
edgePoints = edgePoints.
Select(o => transform.Transform(o)).
ToArray();
foreach (Point point in edgePoints)
{
polygon.Points.Add(point);
}
polygon.Fill = GetTiledSamples(edgePoints, images[cntr], nodes[cntr], tileWidth, tileHeight, drawTile);
polygon.Stroke = new SolidColorBrush(UtilityWPF.GetRandomColor(64, 192));
polygon.StrokeThickness = 2;
polygon.Tag = Tuple.Create(nodes[cntr], images[cntr]);
if (events != null)
{
if (events.MouseMove != null && events.MouseLeave != null)
{
polygon.MouseMove += Polygon2D_MouseMove;
polygon.MouseLeave += Polygon2D_MouseLeave;
}
if (events.Click != null)
{
polygon.MouseUp += Polygon_MouseUp;
}
}
retVal.Children.Add(polygon);
#endregion
}
return retVal;
}
private static Canvas DrawVoronoi_Blobs(VoronoiResult2D voronoi, Color[] colors, SOMNode[] nodes, ISOMInput[][] inputsByNode, int imageWidth, int imageHeight, BlobEvents events)
{
const double MARGINPERCENT = 1.05;
// Analyze size ratios
double[] areas = AnalyzeVoronoiCellSizes(voronoi, inputsByNode);
#region transform
var aabb = Math2D.GetAABB(voronoi.EdgePoints);
aabb = Tuple.Create((aabb.Item1.ToVector() * MARGINPERCENT).ToPoint(), (aabb.Item2.ToVector() * MARGINPERCENT).ToPoint());
TransformGroup transform = new TransformGroup();
transform.Children.Add(new TranslateTransform(-aabb.Item1.X, -aabb.Item1.Y));
transform.Children.Add(new ScaleTransform(imageWidth / (aabb.Item2.X - aabb.Item1.X), imageHeight / (aabb.Item2.Y - aabb.Item1.Y)));
#endregion
Canvas retVal = new Canvas();
retVal.Effect = new DropShadowEffect()
{
Color = Colors.Gray,
Opacity = .2,
BlurRadius = 5,
Direction = 0,
ShadowDepth = 0,
};
for (int cntr = 0; cntr < voronoi.ControlPoints.Length; cntr++)
{
#region polygon
Polygon polygon = new Polygon();
if (voronoi.EdgesByControlPoint[cntr].Length < 3)
{
throw new ApplicationException("Expected at least three edge points");
}
Edge2D[] edges = voronoi.EdgesByControlPoint[cntr].Select(o => voronoi.Edges[o]).ToArray();
Point[] edgePoints = Edge2D.GetPolygon(edges, 1d);
// Resize to match the desired area
edgePoints = ResizeConvexPolygon(edgePoints, areas[cntr]);
// Convert into a smooth blob
BezierSegment3D[] bezier = BezierUtil.GetBezierSegments(edgePoints.Select(o => o.ToPoint3D()).ToArray(), .25, true);
edgePoints = BezierUtil.GetPath(75, bezier).
Select(o => o.ToPoint2D()).
ToArray();
// Transform to canvas coords
edgePoints = edgePoints.
Select(o => transform.Transform(o)).
ToArray();
foreach (Point point in edgePoints)
{
polygon.Points.Add(point);
}
polygon.Fill = new SolidColorBrush(colors[cntr]);
polygon.Stroke = null; // new SolidColorBrush(UtilityWPF.OppositeColor(colors[cntr], false));
polygon.StrokeThickness = 1;
polygon.Tag = Tuple.Create(events, nodes[cntr], inputsByNode[cntr]);
if (events != null)
{
if (events.MouseMove != null && events.MouseLeave != null)
{
polygon.MouseMove += Polygon2D_MouseMove;
polygon.MouseLeave += Polygon2D_MouseLeave;
}
if (events.Click != null)
{
polygon.MouseUp += Polygon_MouseUp;
}
}
retVal.Children.Add(polygon);
#endregion
}
return retVal;
}
/// <summary>
/// This divides the border up into a voronoi, then each node is tiled with examples
/// </summary>
public static void ShowResults2D_Tiled(Border border, SOMResult result, int tileWidth, int tileHeight, Action<DrawTileArgs> drawTile, BlobEvents events = null)
{
//TODO: Take a func that will render the input onto a writable bitmap, or something dynamic but efficient?
// or take these in?
//int tileWidth, int tileHeight
Point[] points = result.Nodes.
Select(o => new Point(o.Position[0], o.Position[1])).
ToArray();
Vector size = new Vector(border.ActualWidth - border.Padding.Left - border.Padding.Right, border.ActualHeight - border.Padding.Top - border.Padding.Bottom);
VoronoiResult2D voronoi = Math2D.GetVoronoi(points, true);
voronoi = Math2D.CapVoronoiCircle(voronoi);
//voronoi = Math2D.CapVoronoiRectangle(voronoi, aspectRatio: 1d); //TODO: Implement this
Canvas canvas = DrawVoronoi_Tiled(voronoi, result.Nodes, result.InputsByNode, size.X.ToInt_Floor(), size.Y.ToInt_Floor(), tileWidth, tileHeight, drawTile, events);
border.Child = canvas;
}
