private static void YAxisNamePropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
DataStatVisualHost graph = (DataStatVisualHost)obj;
graph.YAxisName = (string)args.NewValue;
graph.Data2Name.Text = graph.YAxisName;
}
private static void YMAXPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
DataStatVisualHost graph = (DataStatVisualHost)obj;
graph.YMAX = (string)args.NewValue;
graph._yMax.Text = graph.YMAX;
}
private static void XMINPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
DataStatVisualHost graph = (DataStatVisualHost)obj;
graph.XMIN = (string)args.NewValue;
graph._xMin.Text = graph.XMIN;
}
/// <summary>
/// Draws the frequency.
/// </summary>
/// <param name="event_">The event.</param>
/// <exception cref="System.ArgumentException">The Amplitudes cannot be null and should include more than 1 frequencies</exception>
public void DrawFrequency(EvaluationEvent event_)
{
if (!event_.HasFrequencies || event_.FrequencyAmplitudes.Length < 2)
{
throw new ArgumentException("The Amplitudes cannot be null and should include more than 1 frequencies");
}
this._children.Clear();
double x0 = 0, x1 = Math.PI, y0 = 0, y1 = double.NegativeInfinity;
for (int i = 0; i < event_.FrequencyAmplitudes.Length; i++)
{
if (event_.FrequencyAmplitudes[i] > y1)
{
y1 = event_.FrequencyAmplitudes[i];
}
}
DataStatVisualHost parent = (DataStatVisualHost)((Grid)this.Parent).Parent;
double h = parent.Width - 10;
double yScale = -this.RenderSize.Height / (y1 - y0);
double xScale = this.RenderSize.Width / (x1 - x0);
this._dataTransformMatrix.M11 = xScale;
this._dataTransformMatrix.M22 = yScale;
this._dataTransformMatrix.OffsetY = this.RenderSize.Height - y0 * yScale;
this._dataTransformMatrix.OffsetX = -x0 * xScale;
this._geometryTransform.Matrix = this._dataTransformMatrix;
double thickness = this._thickness / (2 * xScale);
parent.YMAX = y1.ToString("0.0000");
StreamGeometry geom = new StreamGeometry();
using (var gc = geom.Open())
{
gc.BeginFigure(new Point(0, event_.FrequencyAmplitudes[0]), false, false);
double dist = Math.PI / (event_.FrequencyAmplitudes.Length - 1);
for (int i = 0; i <= event_.FrequencyAmplitudes.Length; i++)
{
gc.LineTo(new Point(i * dist, event_.FrequencyAmplitudes[i]), true, true);
}
}
geom.Transform = this._geometryTransform;
if (geom.CanFreeze)
{
geom.Freeze();
}
DrawingVisual visual = new DrawingVisual();
using (var vc = visual.RenderOpen())
{
vc.DrawGeometry(null, new Pen(this._trendlineBrush, 2.5 * this._thickness), geom);
}
this._children.Add(visual);
}
/// <summary>
/// Adds the trend line.
/// </summary>
/// <param name="points">The points.</param>
public void AddTrendLine(IList <Point> points)
{
this._children.Clear();
DataStatVisualHost parent = (DataStatVisualHost)((Grid)this.Parent).Parent;
double x0, x1, y0, y1;
if (double.TryParse(parent._xMin.Text, out x0) && double.TryParse(parent._xMax.Text, out x1) &&
double.TryParse(parent._yMin.Text, out y0) && double.TryParse(parent._yMax.Text, out y1))
{
Matrix translate0 = new Matrix();
translate0.Translate(-x0, -y0);
double yScale = this.RenderSize.Height / (y1 - y0);
double xScale = this.RenderSize.Width / (x1 - x0);
Matrix scale = new Matrix();
scale.Scale(xScale, -yScale);
Matrix translate1 = new Matrix();
translate1.Translate(0, this.RenderSize.Height);
Matrix mat = new Matrix();
mat.Append(translate0);
mat.Append(scale);
mat.Append(translate1);
this._dataTransformMatrix.M11 = xScale;
this._dataTransformMatrix.M22 = yScale;
this._dataTransformMatrix.OffsetY = y0;
this._dataTransformMatrix.OffsetX = x0;
this._geometryTransform.Matrix = mat;
double thickness = this._thickness / (2 * xScale);
StreamGeometry geom = new StreamGeometry();
using (var gc = geom.Open())
{
gc.BeginFigure(points.First(), false, false);
gc.PolyLineTo(points, true, true);
}
geom.Transform = this._geometryTransform;
DrawingVisual visual = new DrawingVisual();
using (var vc = visual.RenderOpen())
{
vc.DrawGeometry(null, new Pen(this._trendlineBrush, 2.5 * this._thickness), geom);
}
this._children.Add(visual);
}
}
/// <summary>
/// Adds the trend line and data.
/// </summary>
/// <param name="p1">The start point.</param>
/// <param name="p2">The end point</param>
/// <param name="samples">The samples.</param>
public void AddTrendLineAndData(Point p1, Point p2, List <Tuple <double, double> > samples)
{
this._children.Clear();
DataStatVisualHost parent = (DataStatVisualHost)((Grid)this.Parent).Parent;
double x0, x1, y0, y1;
if (double.TryParse(parent._xMin.Text, out x0) && double.TryParse(parent._xMax.Text, out x1) &&
double.TryParse(parent._yMin.Text, out y0) && double.TryParse(parent._yMax.Text, out y1))
{
double yScale = -this.RenderSize.Height / (y1 - y0);
double xScale = this.RenderSize.Width / (x1 - x0);
this._dataTransformMatrix.M11 = xScale;
this._dataTransformMatrix.M22 = yScale;
this._dataTransformMatrix.OffsetY = this.RenderSize.Height - y0 * yScale;
this._dataTransformMatrix.OffsetX = -x0 * xScale;
this._geometryTransform.Matrix = this._dataTransformMatrix;
double thikness = this._thickness / (2 * xScale);
var trendlineGeometry = new LineGeometry(p1, p2);
StreamGeometry geom = new StreamGeometry();
using (var gc = geom.Open())
{
gc.BeginFigure(new Point(samples[0].Item1, samples[0].Item2), false, false);
foreach (var item in samples)
{
gc.LineTo(new Point(item.Item1 - thikness, item.Item2), false, false);
gc.LineTo(new Point(item.Item1 + thikness, item.Item2), true, true);
}
}
trendlineGeometry.Transform = this._geometryTransform;
geom.Transform = this._geometryTransform;
if (trendlineGeometry != null)
{
DrawingVisual visual = new DrawingVisual();
using (var vc = visual.RenderOpen())
{
vc.DrawGeometry(null, new Pen(this._pointsBrush, this._thickness), geom);
vc.DrawGeometry(null, new Pen(this._trendlineBrush, 2.5 * this._thickness), trendlineGeometry);
}
this._children.Add(visual);
}
}
}