private static SketchSample[] GetNearbySketches(SketchSample sketch, SketchSample[] all, double radius)
{
double radiusSquared = radius * radius;
return(all.
Where(o => o.Token != sketch.Token).
Select(o => new { Sketch = o, DistSquared = (o.Position - sketch.Position).LengthSquared }).
Where(o => o.DistSquared <= radiusSquared).
OrderBy(o => o.DistSquared).
Select(o => o.Sketch).
ToArray());
}
private void ShowImage(SketchSample sketch, Point position, bool isLarge)
{
double size = isLarge ? SKETCHSIZE_LARGE : SKETCHSIZE_SMALL;
#region Get image
UIElement image = isLarge ? sketch.Image_Large : sketch.Image_Small;
if (image == null)
{
var bitmap = GetBitmap(sketch.NNInput);
Color?borderColor = null;
if (sketch.IsMatch)
{
borderColor = sketch.Color.ToRGB();
}
image = GetImageCtrl(bitmap, size, borderColor);
if (isLarge)
{
sketch.Image_Large = image;
}
else
{
sketch.Image_Small = image;
}
}
#endregion
double halfSize = size / 2;
Canvas.SetLeft(image, position.X - halfSize);
Canvas.SetTop(image, position.Y - halfSize);
canvas.Children.Add(image);
}
private static SketchSample[] GetNearbySketches(SketchSample sketch, SketchSample[] all, double radius)
{
double radiusSquared = radius * radius;
return all.
Where(o => o.Token != sketch.Token).
Select(o => new { Sketch = o, DistSquared = (o.Position - sketch.Position).LengthSquared }).
Where(o => o.DistSquared <= radiusSquared).
OrderBy(o => o.DistSquared).
Select(o => o.Sketch).
ToArray();
}
private void ShowImage(SketchSample sketch, Point position, bool isLarge)
{
double size = isLarge ? SKETCHSIZE_LARGE : SKETCHSIZE_SMALL;
#region Get image
UIElement image = isLarge ? sketch.Image_Large : sketch.Image_Small;
if (image == null)
{
var bitmap = GetBitmap(sketch.NNInput);
Color? borderColor = null;
if (sketch.IsMatch)
{
borderColor = sketch.Color.ToRGB();
}
image = GetImageCtrl(bitmap, size, borderColor);
if (isLarge)
{
sketch.Image_Large = image;
}
else
{
sketch.Image_Small = image;
}
}
#endregion
double halfSize = size / 2;
Canvas.SetLeft(image, position.X - halfSize);
Canvas.SetTop(image, position.Y - halfSize);
canvas.Children.Add(image);
}
private void ShowNearbySketches(SketchSample[] nearby, Point3D center3D, RayHitTestParameters cameraRay, Point center2D)
{
// Get a plane that is perpendicular to the look ray
ITriangle plane = Math3D.GetPlane(center3D, cameraRay.Direction);
// Project the points onto that plane
var nearbyOnPlane = nearby.
Select(o => new { Sketch = o, PlanePoint = Math3D.GetClosestPoint_Plane_Point(plane, o.Position) }).
ToArray();
RotateTransform3D rotate = new RotateTransform3D(new QuaternionRotation3D(Math3D.GetRotation(new DoubleVector(cameraRay.Direction, _camera.UpDirection), new DoubleVector(new Vector3D(0, 0, -1), new Vector3D(0, 1, 0)))));
// Lay these images down along the directions of the projected points
// nearby is sorted by distance from the center image
#region Attempt1
double halfLarge = SKETCHSIZE_LARGE / 2;
double halfSmall = SKETCHSIZE_SMALL / 2;
double stepDist = SKETCHSIZE_SMALL * .05;
int startIncrement = Convert.ToInt32(Math.Floor((halfSmall + halfLarge) / stepDist));
List<Rect> existing = new List<Rect>();
existing.Add(new Rect(center2D.X - halfLarge, center2D.Y - halfLarge, SKETCHSIZE_LARGE, SKETCHSIZE_LARGE));
foreach (var nextSketch in nearbyOnPlane)
{
Vector direction = rotate.Transform(nextSketch.PlanePoint - center3D).ToVector2D();
Vector dirUnit = direction.ToUnit();
if (Math2D.IsInvalid(dirUnit))
{
dirUnit = Math3D.GetRandomVector_Circular_Shell(1).ToVector2D();
}
dirUnit = new Vector(dirUnit.X, -dirUnit.Y);
Point point = new Point();
Rect rect = new Rect();
for (int cntr = startIncrement; cntr < 1000; cntr++)
{
point = center2D + (dirUnit * (stepDist * cntr));
rect = new Rect(point.X - halfSmall, point.Y - halfSmall, SKETCHSIZE_SMALL, SKETCHSIZE_SMALL);
if (!existing.Any(o => o.IntersectsWith(rect)))
{
break;
}
}
existing.Add(rect);
//ShowImage(nextSketch.Sketch, center2D + (dirUnit * 100), false);
ShowImage(nextSketch.Sketch, point, false);
}
#endregion
}
private static void TestSamples_Distance(out Tuple<int, int, double>[] distance_Input, out Tuple<int, int, double>[] distance_Output, SketchSample[] sketches)
{
#region Get Distances
var inputs = new List<Tuple<int, int, double>>();
var outputs = new List<Tuple<int, int, double>>();
for (int outer = 0; outer < sketches.Length - 1; outer++)
{
for (int inner = outer + 1; inner < sketches.Length; inner++)
{
double distance = Math3D.GetDistance(sketches[outer].NNInput, sketches[inner].NNInput);
inputs.Add(Tuple.Create(outer, inner, distance));
distance = Math3D.GetDistance(sketches[outer].NNOutput, sketches[inner].NNOutput);
outputs.Add(Tuple.Create(outer, inner, distance));
}
}
distance_Input = inputs.ToArray();
distance_Output = outputs.ToArray();
#endregion
if (distance_Input.Length == 0)
{
return;
}
//#region Normalize
//double inputMax = distance_Input.Max(o => o.Item3);
//double outputMax = distance_Output.Max(o => o.Item3);
//distance_Input = distance_Input.
// Select(o => Tuple.Create(o.Item1, o.Item2, o.Item3 / inputMax)).
// ToArray();
//distance_Output = distance_Output.
// Select(o => Tuple.Create(o.Item1, o.Item2, o.Item3 / inputMax)).
// ToArray();
//#endregion
}
private static Visual3D TestSamples_Draw(SketchSample[] sketches, double[] hues)
{
const double RADIUS = .5;
const double DOTRADIUS = .035;
#region Materials
SpecularMaterial specular = new SpecularMaterial(new SolidColorBrush(UtilityWPF.ColorFromHex("50FFFFFF")), 2);
var material_Color = hues.Select(o =>
{
ColorHSV color = new ColorHSV(o, 75, 75);
MaterialGroup material = new MaterialGroup();
material.Children.Add(new DiffuseMaterial(new SolidColorBrush(color.ToRGB())));
material.Children.Add(specular);
return new { Color = color, Material = material };
}).ToArray();
ColorHSV color_Gray = new ColorHSV(0, 0, 50);
MaterialGroup material_Gray = new MaterialGroup();
material_Gray.Children.Add(new DiffuseMaterial(new SolidColorBrush(color_Gray.ToRGB())));
material_Gray.Children.Add(specular);
#endregion
Model3DGroup group = new Model3DGroup();
foreach (SketchSample sketch in sketches)
{
int? matchIndex = UtilityEncog.IsMatch(sketch.NNOutput);
Material material;
if (matchIndex == null)
{
sketch.IsMatch = false;
sketch.Color = color_Gray;
material = material_Gray;
}
else
{
sketch.IsMatch = true;
sketch.Color = material_Color[matchIndex.Value].Color;
material = material_Color[matchIndex.Value].Material;
}
sketch.Position = Math3D.GetRandomVector_Spherical(RADIUS).ToPoint();
sketch.Translate_3DDot = new TranslateTransform3D(sketch.Position.ToVector());
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
geometry.Geometry = UtilityWPF.GetSphere_Ico(DOTRADIUS, 1, true);
geometry.Transform = sketch.Translate_3DDot;
group.Children.Add(geometry);
}
ModelVisual3D visual = new ModelVisual3D();
visual.Content = group;
return visual;
}
