private static void DrawPlotAxis(Canvas On, AxisSettings axis, Size plotSize, Rect plotRect, Boolean First = true)
{
int dividers = axis.Divider * axis.SubDivider;
Point StartPoint, EndPoint;
//draw dividers and subdividers
for (int i = 0; i < (dividers) + 1; i++)
{
Boolean isDivider = (i % axis.SubDivider == 0);
if (axis.AxisType == AxisType.X)
{
double Coord = plotRect.Left + (i * (plotRect.Width / dividers));
double yPos = (First) ? plotRect.Bottom : plotRect.Top;
StartPoint = new Point(
Coord,
yPos - (isDivider ? axis.DividerShortLength : axis.SubDividerShortLength));
EndPoint = new Point(
Coord,
yPos + (isDivider ? axis.DividerShortLength : axis.SubDividerShortLength));
}
else
{
double Coord = plotRect.Top + (i * (plotRect.Height / dividers));
double xPos = (First) ? plotRect.Left : plotRect.Right;
StartPoint = new Point(
xPos - (isDivider ? axis.DividerShortLength : axis.SubDividerShortLength),
Coord);
EndPoint = new Point(
xPos + (isDivider ? axis.DividerShortLength : axis.SubDividerShortLength),
Coord);
}
Line dividerLine = new Line
{
X1 = StartPoint.X,
Y1 = StartPoint.Y,
X2 = EndPoint.X,
Y2 = EndPoint.Y,
Stroke = (isDivider ? axis.DividerBrush : axis.SubDividerBrush),
StrokeThickness = (isDivider ? axis.DividerBrushThickness : axis.SubDividerBrushThickness),
StrokeStartLineCap = PenLineCap.Flat,
StrokeEndLineCap = PenLineCap.Triangle
};
DocHelper.PutElementOn(dividerLine, On);
//if divider draw text
if (isDivider)
{
double val = 0;
if (axis.AxisType == AxisType.X)
{
val = axis.Info.Min + (i * (axis.Info.Range / dividers));
}
else
{
val = axis.Info.Max - (i * (axis.Info.Range / dividers));
}
string valString = "";
switch (axis.AxisValueType)
{
case AxisValueType.Raw: valString = val.ToString(axis.AxisValueFormat); break;
case AxisValueType.DataPointNumber: valString = (axis.AxisType == AxisType.X)?(i * axis.Info.Values / dividers).ToString():""; break;
case AxisValueType.OADate: valString = (DateTime.FromOADate(val)).ToString(axis.AxisValueFormat); break;
case AxisValueType.OADateRelative: valString = (DateTime.FromOADate(val - axis.Info.Min)).ToString(axis.AxisValueFormat); break;
}
TextBlock axisValueText = DocHelper.NewText(valString,
new DocHelper.FontSettings
{
Size = DocHelper.MM2Dibs(3),
});
Point TextPosition;
if (axis.AxisType == AxisType.X)
{
TextPosition = new Point(StartPoint.X - (axisValueText.Width / 2), 0);
if (First)
{
TextPosition.Y = plotRect.Bottom + (axisValueText.Height * 0.5);
}
else
{
TextPosition.Y = plotRect.Top - (axisValueText.Height * 1.5);
}
}
else
{
TextPosition = new Point(0, StartPoint.Y - (axisValueText.Height / 2));
if (First)
{
TextPosition.X = (plotRect.Left - axisValueText.Width) / 2;
}
else
{
TextPosition.X = plotRect.Right + (((plotSize.Width - plotRect.Right) - axisValueText.Width) / 2);
}
}
DocHelper.PutElementOn(axisValueText, On, Left: TextPosition.X, Top: TextPosition.Y);
}
}
//Draw axis
StartPoint = new Point();
EndPoint = new Point();
if (axis.AxisType == AxisType.X)
{
if (First)
{
StartPoint = plotRect.BottomLeft;
EndPoint = plotRect.BottomRight;
}
else
{
StartPoint = plotRect.TopLeft;
EndPoint = plotRect.TopRight;
}
}
else
{
if (First)
{
StartPoint = plotRect.BottomLeft;
EndPoint = plotRect.TopLeft;
}
else
{
StartPoint = plotRect.TopRight;
EndPoint = plotRect.BottomRight;
}
}
Line axisLine = new Line
{
X1 = StartPoint.X,
Y1 = StartPoint.Y,
X2 = EndPoint.X,
Y2 = EndPoint.Y,
Stroke = axis.AxisBrush,
StrokeThickness = axis.AxisThickness,
StrokeStartLineCap = PenLineCap.Flat,
StrokeEndLineCap = PenLineCap.Flat
};
DocHelper.PutElementOn(axisLine, On);
}
private static Canvas NewPlotLine(PlotData pd, Size sz)
{
//Plot
Canvas plot = new Canvas()
{
Width = sz.Width,
Height = sz.Height,
Background = Brushes.Transparent
};
double xScaler = pd.XAxis.Info.Range / sz.Width;
double yScaler = pd.YAxis.Info.Range / sz.Height;
PointCollection pc = new PointCollection();
for (int i = 0; i < pd.Data.Length; i++)
{
double xPart = ((pd.Data[i].Item1 - pd.XAxis.Info.Min) / pd.XAxis.Info.Range) * sz.Width;
double yPart = (1.0d - ((pd.Data[i].Item2 - pd.YAxis.Info.Min) / pd.YAxis.Info.Range)) * sz.Height;
pc.Add(new Point(xPart, yPart));
}
//plotline
if (pd.pType == PlotType.Line)
{
Polyline pl = new Polyline
{
Points = pc,
Stroke = pd.PlotColor,
StrokeThickness = pd.PlotThickness,
Width = sz.Width,
Height = sz.Height
};
DocHelper.PutElementOn(pl, plot, sz.Width, sz.Height);
}
else if (pd.pType == PlotType.Dots)
{
const float width = 2;
const float radius = width / 2;
foreach (Point point in pc)
{
Ellipse ellipse = new Ellipse();
ellipse.SetValue(Canvas.LeftProperty, point.X - radius);
ellipse.SetValue(Canvas.TopProperty, point.Y - radius);
ellipse.Fill = pd.PlotColor;
ellipse.Stroke = pd.PlotColor;
ellipse.StrokeThickness = pd.PlotThickness;
ellipse.Width = width;
ellipse.Height = width;
plot.Children.Add(ellipse);
}
}
/*
* //draw average line
* double yAvg = y.Average();
* Line yAvgLine = new Line
* {
* X1 = 0,
* X2 = plot.Width,
* Y1 = plot.Height - ((yAvg - minY) / yScaler),
* Y2 = plot.Height - ((yAvg - minY) / yScaler),
* Stroke = Brushes.Red,
* StrokeThickness = DocHelper.MM2Dibs(0.2),
* StrokeStartLineCap = PenLineCap.Flat,
* StrokeEndLineCap = PenLineCap.Flat
* };
*
* DocHelper.PutElementOn(yAvgLine, plot);
*
*
* //simple linear regression
* Tuple<double, double> simpleLinear = Fit.Line(x, y);
*
* double fit = GoodnessOfFit.RSquared(x.Select(x => simpleLinear.Item1 + simpleLinear.Item2 * x), y);
* Line l = new Line
* {
* X1 = 0,
* X2 = Width,
* Y1 = (plot.Height - ((simpleLinear.Item2 - minY) / yScaler)),
* Y2 = (plot.Height - ((((simpleLinear.Item1 * rangeX) + simpleLinear.Item2) - minY) / yScaler)),
* Stroke = Brushes.Blue,
* StrokeThickness = DocHelper.MM2Dibs(0.75)
* };
*
* plot.Children.Add(l);
* //DocHelper.PutElementOn(l, content);
*/
return(plot);
}
public static Canvas NewPlot(double Width, double Height, PlotSettings Options)
{
Canvas content = new Canvas
{
Width = Width,
Height = Height,
Background = Brushes.White,
ClipToBounds = true
};
//PlotSettings plotSettings = Options;
//get info for sizings ...
Thickness Distance = new Thickness(DocHelper.MM2Dibs(15),
DocHelper.MM2Dibs(15),
DocHelper.MM2Dibs(15),
DocHelper.MM2Dibs(7.5));
Size PlotSize = new Size(Width - (Distance.Left + Distance.Right), Height - (Distance.Top + Distance.Bottom));
//Plot
//double xScaler = rangeX / plot.Width;
//double yScaler = rangeY / plot.Height;
Rect plotArea = new Rect(new Point(Distance.Left, Distance.Top), PlotSize);
Size contentSize = new Size(Width, Height);
//draw plots
//plotline
PlotData[] plotData = Options.GetPlotData();
Canvas[] plots = new Canvas[plotData.Count()];
for (int i = 0; i < plotData.Length; i++)
{
DocHelper.PutElementOn(NewPlotLine(plotData[i], PlotSize), content, Top: Distance.Top, Left: Distance.Left);
//
//plots[i] = NewPlotLine(plotData[i], PlotSize);
}
// AXIS
DrawPlotAxis(content, Options.First(AxisType.X), contentSize, plotArea, true);
DrawPlotAxis(content, Options.First(AxisType.Y), contentSize, plotArea, true);
if (Options.Second(AxisType.X) != null)
{
DrawPlotAxis(content, Options.Second(AxisType.X), contentSize, plotArea, false);
}
if (Options.Second(AxisType.Y) != null)
{
DrawPlotAxis(content, Options.Second(AxisType.Y), contentSize, plotArea, false);
}
//draw title
TextBlock titleText = DocHelper.NewText(Options.title,
Options.TitleFont);
DocHelper.PutElementOn(titleText, content, CenterHorizontal: true, Top: DocHelper.MM2Dibs(3));
Rectangle border = new Rectangle
{
Width = Width,
Height = Height,
Stroke = Brushes.DarkGray,
StrokeThickness = DocHelper.MM2Dibs(0.25)
};
DocHelper.PutElementOn(border, content);
return(content);
}
