public static PointCollection ConvertToPointCollection(int[] values)
{
PointCollection points = new PointCollection();
if (values == null)
{
points.Freeze();
return(points);
}
values = SmoothHistogram(values);
int max = values.Max();
// first point (lower-left corner)
points.Add(new Point(0, max));
// middle points
for (int i = 0; i < values.Length; i++)
{
points.Add(new Point(i, max - values[i]));
}
// last point (lower-right corner)
points.Add(new Point(values.Length - 1, max));
points.Freeze();
return(points);
}
/// <summary>
/// Rebuild connection points.
/// </summary>
private void ComputeConnectionPoints()
{
var computedPoints = new PointCollection();
computedPoints.Add(SourceConnectorHotspot);
var deltaX = Math.Abs(DestConnectorHotspot.X - SourceConnectorHotspot.X);
var deltaY = Math.Abs(DestConnectorHotspot.Y - SourceConnectorHotspot.Y);
if (deltaX > deltaY)
{
var midPointX = SourceConnectorHotspot.X + ((DestConnectorHotspot.X - SourceConnectorHotspot.X) / 2);
computedPoints.Add(new Point(midPointX, SourceConnectorHotspot.Y));
computedPoints.Add(new Point(midPointX, DestConnectorHotspot.Y));
}
else
{
var midPointY = SourceConnectorHotspot.Y + ((DestConnectorHotspot.Y - SourceConnectorHotspot.Y) / 2);
computedPoints.Add(new Point(SourceConnectorHotspot.X, midPointY));
computedPoints.Add(new Point(DestConnectorHotspot.X, midPointY));
}
computedPoints.Add(DestConnectorHotspot);
computedPoints.Freeze();
Points = computedPoints;
}
protected ModelVisual3D MakeVisualModel(LoadResult objmesh, ZipArchiveEntry texture)
{
var r = new ModelVisual3D();
r.Content = MakeModel(objmesh, texture);
Points.Freeze(); // We won't change them anymore
Normals.Freeze();
Indices.Freeze();
TexCoords.Freeze();
r.Transform = new Transform3DGroup();
Transform3DGroup transformGroup = r.Transform as Transform3DGroup;
TranslateTransform3D translation = new TranslateTransform3D(
-(r.Content.Bounds.X + r.Content.Bounds.SizeX / 2),
-(r.Content.Bounds.Y + r.Content.Bounds.SizeY / 2),
-(r.Content.Bounds.Z + r.Content.Bounds.SizeZ / 2)
);
transformGroup.Children.Add(translation);
double scale = Math.Abs(1 / (r.Content.Bounds.SizeX));
scale = Math.Min(scale, Math.Abs(1 / (r.Content.Bounds.SizeY)));
scale = Math.Min(scale, Math.Abs(1 / (r.Content.Bounds.SizeZ)));
ScaleTransform3D scaletr = new ScaleTransform3D(scale, scale, scale);
transformGroup.Children.Add(scaletr);
return(r);
}
/// <summary>
/// Rebuild connection points.
/// </summary>
private void ComputeConnectionPoints()
{
PointCollection computedPoints = new PointCollection();
computedPoints.Add(this.SourceConnectorHotspot);
double deltaX = Math.Abs(this.DestConnectorHotspot.X - this.SourceConnectorHotspot.X);
double deltaY = Math.Abs(this.DestConnectorHotspot.Y - this.SourceConnectorHotspot.Y);
if (deltaX > deltaY)
{
double midPointX = this.SourceConnectorHotspot.X + ((this.DestConnectorHotspot.X - this.SourceConnectorHotspot.X) / 2);
computedPoints.Add(new Point(midPointX, this.SourceConnectorHotspot.Y));
computedPoints.Add(new Point(midPointX, this.DestConnectorHotspot.Y));
}
else
{
double midPointY = this.SourceConnectorHotspot.Y + ((this.DestConnectorHotspot.Y - this.SourceConnectorHotspot.Y) / 2);
computedPoints.Add(new Point(this.SourceConnectorHotspot.X, midPointY));
computedPoints.Add(new Point(this.DestConnectorHotspot.X, midPointY));
}
computedPoints.Add(this.DestConnectorHotspot);
computedPoints.Freeze();
this.Points = computedPoints;
}
protected static void OnPointsSourcePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d is ViewportPolylineBase polyline)
{
var points = new PointCollection(e.NewValue as IEnumerable <Point> ?? Enumerable.Empty <Point>());
points.Freeze();
polyline.Points = points;
}
}
private PointCollection ConvertToPointCollection(int[] values)
{
int max = values.Max();
PointCollection points = new PointCollection();
points.Add(new Point(0, max));
for (int i = 0; i < values.Length; i++)
{
points.Add(new Point(i, max - values[i]));
}
points.Add(new Point(values.Length - 1, max));
points.Freeze();
return(points);
}
public PointCollection GetPoints(int MaxPixelSpan)
{
if (PrevValues == null)
{
return(null);
}
if (Max == Min)
{
return(null);
}
var k = (Max - Min) / MaxPixelSpan;
var Points = PrevValues.Select((x, index) => new Point(index * 10, (MaxPixelSpan - ((x - Min) / k)))).ToList();
var pc = new PointCollection(Points);
pc.Freeze();
return(pc);
}
protected void CreateTextCoordinates()
{
PointCollection coordsCol = new PointCollection(this.Points.Length);
for (int x = 0; x < this.Points.GetLength(0); x++)
{
for (int y = 0; y < this.Points.GetLength(1); y++)
{
for (int i = 0; i < 4; i++)
{
coordsCol.Add(this.TextureBuilder.GetTextureMapping(this.Points[x, y].Z));
}
}
}
coordsCol.Freeze();
_mesh.TextureCoordinates = coordsCol;
}
private PointCollection ConvertToPointCollection(int[] values)
{
values = SmoothHistogram(values);
int max = values.Max();
PointCollection points = new PointCollection();
// first point (lower-left corner)
points.Add(new System.Windows.Point(0, max));
// middle points
for (int i = 0; i < values.Length; i++)
{
points.Add(new System.Windows.Point(i, max - values[i]));
}
// last point (lower-right corner)
points.Add(new System.Windows.Point(values.Length - 1, max));
points.Freeze();
return(points);
}
protected void CreateTextCoordinates()
{
if (_linePoints != null && this.TextureBuilder != null)
{
PointCollection coordsCol = new PointCollection(_linePoints.Count * 2);
for (int i = 0; i < _linePoints.Count / 2; i++)
{
double j = _linePoints[i * 2].Z;
j += _linePoints[i * 2 + 1].Z;
j /= 2.0;
Point pt = this.TextureBuilder.GetTextureMapping(j);
for (int k = 0; k < 4; k++)
{
coordsCol.Add(pt);
}
}
coordsCol.Freeze();
_mesh.TextureCoordinates = coordsCol;
}
}
/// <summary>
/// Rebuild connection points.
/// </summary>
private void ComputeConnectionPoints()
{
const double offset = 120.0;
double srcDeltaX = offset;
double destDeltaX = -offset;
if (SourceConnector != null)
{
if (SourceConnector.Type == ConnectorType.Input ||
SourceConnector.Type == ConnectorType.VariableInput)
{
srcDeltaX = -offset;
}
else if (SourceConnector.Type == ConnectorType.Output ||
SourceConnector.Type == ConnectorType.VariableOutput)
{
srcDeltaX = offset;
}
}
if (DestConnector != null)
{
if (DestConnector.Type == ConnectorType.Output ||
DestConnector.Type == ConnectorType.VariableOutput ||
DestConnector.Type == ConnectorType.VariableInputOutput)
{
destDeltaX = offset;
}
}
PointCollection computedPoints = new PointCollection();
computedPoints.Add(SourceConnectorHotspot);
computedPoints.Add(new Point(SourceConnectorHotspot.X + srcDeltaX, SourceConnectorHotspot.Y));
computedPoints.Add(new Point(DestConnectorHotspot.X + destDeltaX, this.DestConnectorHotspot.Y));
computedPoints.Add(DestConnectorHotspot);
computedPoints.Freeze();
this.Points = computedPoints;
}
/// <summary>
/// Rebuild connection points.
/// </summary>
private void ComputeConnectionPoints()
{
PointCollection computedPoints = new PointCollection();
computedPoints.Add(this.SourceConnectorHotspot);
double midPointX = this.SourceConnectorHotspot.X + ((this.DestConnectorHotspot.X - this.SourceConnectorHotspot.X) / 2);
computedPoints.Add(new Point(midPointX, this.SourceConnectorHotspot.Y));
computedPoints.Add(new Point(midPointX, this.DestConnectorHotspot.Y));
//Add an extra point to the curve that allows the line into the destination look visually pleasing.
const double precedingPoint = 2.5;
if ((this.DestConnectorHotspot.X - precedingPoint) > midPointX)
{
computedPoints.Add(new Point(this.DestConnectorHotspot.X - precedingPoint, this.DestConnectorHotspot.Y));
}
computedPoints.Add(this.DestConnectorHotspot);
computedPoints.Freeze();
this.Points = computedPoints;
}
private void CreateSurface()
{
if (this.Points != null && this.TextureBuilder != null)
{
Material texture = this.TextureBuilder.CreateTexture();
int xWidth = this.Points.GetLength(0);
int yWidth = this.Points.GetLength(1);
int capacity = (xWidth - 1) * (yWidth - 1);
Point3DCollection positions = new Point3DCollection(capacity);
Int32Collection indices = new Int32Collection(capacity);
PointCollection texCoords = new PointCollection(capacity);
Vector3DCollection normals = new Vector3DCollection(capacity);
int indiceCount = 0;
for (int ix = 0; ix < xWidth - 1; ix++)
{
if (!double.IsNaN(this.Points[ix, 0].Z))
{
if (!double.IsNaN(this.Points[ix + 1, 0].Z))
{
for (int iy = 0; iy < yWidth - 1; iy++)
{
// V0-----V3
// | |
// | |
// V1-----V2
//Add Triangle V0--V1--V2
positions.Add(this.Points[ix, iy]);
positions.Add(this.Points[ix + 1, iy]);
positions.Add(this.Points[ix + 1, iy + 1]);
double middleZ = (this.Points[ix, iy].Z + this.Points[ix + 1, iy].Z + this.Points[ix + 1, iy + 1].Z + this.Points[ix, iy + 1].Z) / 4.0;
Point texturePt = this.TextureBuilder.GetTextureMapping(middleZ);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
Vector3D normal = MathHelper.CalculateNormal(this.Points[ix + 1, iy + 1], this.Points[ix + 1, iy], this.Points[ix, iy]);
normals.Add(normal);
normals.Add(normal);
normals.Add(normal);
//Add Triangle V2--V3-V0
positions.Add(this.Points[ix + 1, iy + 1]);
positions.Add(this.Points[ix, iy + 1]);
positions.Add(this.Points[ix, iy]);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
Vector3D normal2 = MathHelper.CalculateNormal(this.Points[ix, iy], this.Points[ix, iy + 1], this.Points[ix + 1, iy + 1]);
normals.Add(normal2);
normals.Add(normal2);
normals.Add(normal2);
}
}
}
}
positions.Freeze();
_mesh.Positions = positions;
indices.Freeze();
_mesh.TriangleIndices = indices;
texCoords.Freeze();
_mesh.TextureCoordinates = texCoords;
normals.Freeze();
_mesh.Normals = normals;
_model3D.Material = texture;
_model3D.BackMaterial = texture;
}
}
public Transition3D()
: base(new Viewport3D())
{
// camera to ue
WrappedElement.Camera = new PerspectiveCamera();
// the model visual 3D
ModelVisual3D mv3D = new ModelVisual3D();
mv3D.Content = new PointLight(Colors.White, new Point3D(0, 0, 0));
WrappedElement.Children.Add(mv3D);
MeshGeometry3D plane = new MeshGeometry3D();
Point3DCollection positions = new Point3DCollection();
positions.Add(new Point3D(-1, -1, 0));
positions.Add(new Point3D(-1, 1, 0));
positions.Add(new Point3D(1, 1, 0));
positions.Add(new Point3D(1, -1, 0));
positions.Freeze();
plane.Positions = positions;
PointCollection textureCoords = new PointCollection();
textureCoords.Add(new Point(0, 1));
textureCoords.Add(new Point(0, 0));
textureCoords.Add(new Point(1, 0));
textureCoords.Add(new Point(1, 1));
textureCoords.Freeze();
plane.TextureCoordinates = textureCoords;
Int32Collection indices = new Int32Collection();
indices.Add(0);
indices.Add(3);
indices.Add(1);
indices.Add(1);
indices.Add(3);
indices.Add(2);
indices.Freeze();
plane.TriangleIndices = indices;
Material planeMaterial = new DiffuseMaterial(Brushes.Blue);
planeMaterial.SetValue(Viewport2DVisual3D.IsVisualHostMaterialProperty, true);
m_visual3D = new Viewport2DVisual3D();
m_visual3D.Geometry = plane;
m_visual3D.Material = planeMaterial;
Transform3DGroup transform = new Transform3DGroup();
m_rotation = new AxisAngleRotation3D(new Vector3D(0, 1, 0), 35);
m_scale = new ScaleTransform3D(0, 0, 0);
m_translation = new TranslateTransform3D(-2.5, 0, -10);
transform.Children.Add(m_scale);
transform.Children.Add(new RotateTransform3D(m_rotation));
transform.Children.Add(m_translation);
m_visual3D.Transform = transform;
WrappedElement.Children.Add(m_visual3D);
}
/// <summary>
/// Rebuild connection points.
/// </summary>
private void ComputeConnectionPoints()
{
PointCollection computedPoints = new PointCollection();
computedPoints.Add(this.SourceConnectorHotspot);
// get the middle of the arc
if ((this.SourceConnectorHotspot.X > 0 || this.SourceConnectorHotspot.Y > 0) &&
(this.DestConnectorHotspot.X > 0 || this.DestConnectorHotspot.Y > 0))
{
var startPoint = Points[0];
var lastPoint = Points[Points.Count - 1];
// Make an arc.
ArcSegment arc = new ArcSegment();
arc.Point = lastPoint;
arc.IsLargeArc = true;
Size arcRadius = new Size();
var distance = startPoint - lastPoint;
if (distance.Length < 30)
{
arc.SweepDirection = SweepDirection.Clockwise;
arc.IsLargeArc = true;
arcRadius.Width = 25;
arcRadius.Height = 25;
}
else
{
arc.SweepDirection = SweepDirection.Counterclockwise;
arc.IsLargeArc = false;
int arcRadiusMin = 100;
arcRadius.Width = Math.Abs(startPoint.X - lastPoint.X);
arcRadius.Height = Math.Abs(startPoint.Y - lastPoint.Y);
if (arcRadius.Width < arcRadiusMin)
{
arcRadius.Width = arcRadiusMin;
}
if (arcRadius.Height < arcRadiusMin)
{
arcRadius.Height = arcRadiusMin;
}
}
arc.Size = arcRadius;
// Make an arc.
PathFigure fig = new PathFigure();
fig.IsClosed = false;
fig.IsFilled = false;
fig.StartPoint = startPoint;
fig.Segments.Add(arc);
PathGeometry pathGeometry = new PathGeometry();
pathGeometry.Figures.Add(fig);
double fractionHalf = 0.5; //the relative point of the curve
Point ptHalf; //the absolute point of the curve
Point tgHalf; //the tangent point of the curve
pathGeometry.GetPointAtFractionLength(
fractionHalf,
out ptHalf,
out tgHalf);
// TODO
if (distance.Length < 30)
{
ptHalf.X -= 15;
ptHalf.Y -= 58;
}
else
{
ptHalf.X -= 5;
ptHalf.Y += 3;
}
computedPoints.Add(ptHalf);
double fractionArrow = 0.9; //the relative point of the curve
Point ptArrow; //the absolute point of the curve
Point tgArrow; //the tangent point of the curve
pathGeometry.GetPointAtFractionLength(
fractionArrow,
out ptArrow,
out tgArrow);
computedPoints.Add(ptArrow);
}
else
{
computedPoints.Add(this.SourceConnectorHotspot);
}
computedPoints.Add(this.DestConnectorHotspot);
computedPoints.Freeze();
this.Points = computedPoints;
LabelPoint = new Thickness(computedPoints[1].X, computedPoints[1].Y, 0, 0);
}
private void UpdateUIRepresentation()
{
if (isUpdating)
{
return;
}
if (plotter == null)
{
return;
}
IPointDataSource dataSource = DataSource;
if (dataSource == null)
{
return;
}
visibleWhileUpdate = plotter.Viewport.Visible;
isUpdating = true;
panel.Children.Clear();
DependencyObject dependencyDataSource = dataSource as DependencyObject;
if (dependencyDataSource != null)
{
DataSource2dContext.SetVisibleRect(dependencyDataSource, plotter.Viewport.Visible);
DataSource2dContext.SetScreenRect(dependencyDataSource, plotter.Viewport.Output);
}
IEnumerable <Point> viewportPoints = dataSource;
var transform = plotter.Viewport.Transform;
if (!(transform.DataTransform is IdentityTransform))
{
viewportPoints = dataSource.DataToViewport(transform.DataTransform);
}
var screenPoints = viewportPoints.ViewportToScreen(transform);
var filteredPoints = filters.Filter(screenPoints, plotter.Viewport);
DataRect bounds = DataRect.Empty;
double strokeThickness = 3;
bool first = true;
Point lastPointOfPrevLine = new Point();
int overallCount = 0;
panel.BeginBatchAdd();
const int ptsInPolyline = 500;
foreach (var pointGroup in filteredPoints.Split(ptsInPolyline))
{
int ptsCount = ptsInPolyline;
if (!first)
{
ptsCount++;
}
PointCollection pointCollection = new PointCollection(ptsCount);
if (!first)
{
pointCollection.Add(lastPointOfPrevLine);
}
else
{
first = false;
}
pointCollection.AddMany(pointGroup);
overallCount += pointCollection.Count - 1;
if (pointCollection.Count == 0)
{
break;
}
lastPointOfPrevLine = pointCollection[pointCollection.Count - 1];
pointCollection.Freeze();
DataRect ithBounds = BoundsHelper.GetViewportBounds(pointCollection.ScreenToViewport(transform));
#if geom
UIElement line = null;
StreamGeometry geometry = new StreamGeometry();
using (var dc = geometry.Open())
{
dc.BeginFigure(pointCollection[0], false, false);
dc.PolyLineTo(pointCollection, true, false);
}
geometry.Freeze();
GeometryDrawing drawing = new GeometryDrawing {
Geometry = geometry, Pen = new Pen(Brushes.Blue, 1)
};
drawing.Freeze();
DrawingBrush brush = new DrawingBrush {
Drawing = drawing
};
brush.Freeze();
var rectangle = new Rectangle {
Fill = brush, IsHitTestVisible = false
};
Rect ithScreenBounds = ithBounds.ViewportToScreen(transform);
if (true || ithScreenBounds.Width > 2000 || ithScreenBounds.Height > 2000 || ithScreenBounds.Width < 1 || ithScreenBounds.Height < 1)
{
line = rectangle;
}
else
{
Size intSize = new Size((int)ithScreenBounds.Width, (int)ithScreenBounds.Height);
rectangle.Measure(intSize);
rectangle.Arrange(new Rect(intSize));
RenderTargetBitmap renderBitmap = new RenderTargetBitmap((int)ithScreenBounds.Width, (int)ithScreenBounds.Height, 96, 96, PixelFormats.Pbgra32);
renderBitmap.Render(rectangle);
renderBitmap.Freeze();
line = new Image {
Source = renderBitmap
};
}
#else
var line = CreateLine();
line.Points = pointCollection;
#endif
bounds.Union(ithBounds);
ViewportRectPanel.SetViewportBounds(line, ithBounds);
#if !geom
ViewportMarginPanel.SetScreenMargin(line, new Size(strokeThickness / 2, strokeThickness / 2));
#endif
panel.Children.Add(line);
isUpdating = false;
}
panel.EndBatchAdd();
Debug.WriteLine("OverallCount = " + (overallCount + 1));
Viewport2D.SetContentBounds(this, bounds);
isUpdating = false;
}