Steema Central

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		public MainPage()
		{
			InitializeComponent();

			tChart1.Header.Visible = false;
			tChart1.Aspect.ClipPoints = false;

			Radar series = new Radar(tChart1.Chart);
			series.Add(100, "Source");
			series.Add(25, "Seal");
			series.Add(100, "Closure");
			series.Add(50, "Reservoir");
			series.Add(90, "Timing");

			
			series.GetVertAxis.SetMinMax(0, 100);
			series.CircleLabels = true;
			series.Brush.Visible = false;
		}

Code: Select all

		Radar series;
		public MainPage()
		{
			InitializeComponent();

			tChart1.Header.Visible = false;
			tChart1.Aspect.ClipPoints = false;

			series = new Radar(tChart1.Chart);
			series.Add(100, "Source");
			series.Add(25, "Seal");
			series.Add(100, "Closure");
			series.Add(50, "Reservoir");
			series.Add(90, "Timing");

			
			series.GetVertAxis.SetMinMax(0, 100);
			series.CircleLabels = true;
			series.Brush.Visible = false;

			tChart1.AfterDraw += TChart1_AfterDraw;
		}

		private void TChart1_AfterDraw(object sender, Steema.TeeChart.Silverlight.Drawing.Graphics3D g)
		{
			Point center = new Point(series.CalcXPos(1), series.CalcYPos(1));
			Rect rect = Utils.FromLTRB(center.X - 20, center.Y - 10, center.X + 20, center.Y + 10);

			g.Pen.Color = Colors.Red;

			g.HorizontalLine(rect.Left, rect.Right, center.Y);
			g.VerticalLine(rect.Left, rect.Top, rect.Bottom);
			g.VerticalLine(rect.Right, rect.Top, rect.Bottom);
		}

Code: Select all

		Radar series;
		public MainPage()
		{
			InitializeComponent();

			tChart1.Header.Visible = false;
			tChart1.Aspect.ClipPoints = false;

			series = new Radar(tChart1.Chart);
			series.Add(100, "Source");
			series.Add(25, "Seal");
			series.Add(100, "Closure");
			series.Add(50, "Reservoir");
			series.Add(90, "Timing");

			series.GetVertAxis.SetMinMax(0, 100);
			series.CircleLabels = true;
			series.Brush.Visible = false;

			tChart1.AfterDraw += TChart1_AfterDraw;
		}


		private void CalcXYPos(double xvalue, double yvalue, double aRadius, Axis axis, out double x, out double y)
		{
			double tmp = axis.Maximum - axis.Minimum;
			double tmpDif = axis.Inverted ? axis.Maximum - yvalue : yvalue - axis.Minimum;

			bool tmpAtEnd = tmpDif < 0;

			if ((tmp == 0) || tmpAtEnd)
			{
				x = series.CircleXCenter;
				y = series.CircleYCenter;
			}
			else
			{
				double tmpRadius = tmpDif * aRadius / tmp;
				series.AngleToPos((series.ClockWiseLabels ? -Utils.PiStep : Utils.PiStep) * xvalue, tmpRadius, tmpRadius, out x, out y);
			}
		}

		private void TChart1_AfterDraw(object sender, Steema.TeeChart.Silverlight.Drawing.Graphics3D g)
		{
			Func<Point, Point, Tuple<double, double>> CalculateLine = (first, second) =>
			{
				//y − y1 = m(x − x1)
				double m = (first.Y - second.Y) / (first.X - second.X);
				//y = mx + b
				double b = (m * (-1 * second.X)) + second.Y;
				return new Tuple<double, double>(m, b);
			};

			Func<Tuple<double, double>, Point, Tuple<double, double>> CalculatePerpendicularLine = (aline, apoint) =>
			{
				double m = Math.Pow(aline.Item1, -1) * -1;
				double b = (m * (-1 * apoint.X)) + apoint.Y;
				return new Tuple<double, double>(m, b);
			};

			Func<int, double> GetXValue = (valueIndex) =>
			{
				Func<int> GetMaxValuesCount = () =>
				{
					int result = 0;
					bool FirstTime = true;
					foreach (Series s in tChart1.Series)
					{
						if (s.Active && (FirstTime || ((s.Count > result) && s.Function == null)))
						{
							result = s.Count;
							FirstTime = false;
						}
					}
					return result;
				};

				int tmpIndex = series.ClockWiseLabels ? series.Count - valueIndex : valueIndex;
				return (GetMaxValuesCount() > 0) ? tmpIndex * (360.0 / GetMaxValuesCount()) : 0;
			};

			int index = 1;

			Point center = new Point(series.CalcXPos(index), series.CalcYPos(index));

			g.Pen.Color = Colors.Red;

			double plusValue = series.YValues[index] + (series.YValues[index] * 0.45); //45% of value
			double minusValue = series.YValues[index] - (series.YValues[index] * 0.22); //22% of value

			double x, y;
			CalcXYPos(GetXValue(index), plusValue, series.XRadius, series.GetVertAxis, out x, out y);
			Point max = new Point(x, y);

			CalcXYPos(GetXValue(index), minusValue, series.XRadius, series.GetVertAxis, out x, out y);
			Point min = new Point(x, y);

			g.Line(center, max);
			g.Line(center, min);

			Tuple<double, double> line = CalculateLine(min, max);
			Tuple<double, double> maxline = CalculatePerpendicularLine(line, max);
			Tuple<double, double> minline = CalculatePerpendicularLine(line, min);

			//draw whiskers
			int offset = 3;
			g.Line(max, new Point(max.X + offset, (max.X + offset) * maxline.Item1 + maxline.Item2));
			g.Line(max, new Point(max.X - offset, (max.X - offset) * maxline.Item1 + maxline.Item2));

			g.Line(min, new Point(min.X + offset, (min.X + offset) * minline.Item1 + minline.Item2));
			g.Line(min, new Point(min.X - offset, (min.X - offset) * minline.Item1 + minline.Item2));
		}