public WpfMultiChart()
{
InitializeComponent();
LoadImages();
//do not show no data label by default
ShowNoDataLabel(false);
dataSeries = new List<TimeSeriesData>();
plotSeries = new TimeSeriesData();
shapeTransform = new MatrixTransform();
chartClip = new PathGeometry();
optimalGridLineSpacing = new Point(100, 50);
adorner = new AdornerCursor2(ChartInteractiveCanvas, shapeTransform);
adorner.CanvasSize = new Size(ChartInteractiveCanvas.ActualWidth, ChartInteractiveCanvas.ActualHeight);
adorner.PanCursorImage = panCursor;
panZoomCalculator = new PanZoomCalculator();
ChartCanvas.SizeChanged += new SizeChangedEventHandler(ChartCanvas_SizeChanged);
ChartCanvas.IsVisibleChanged += new DependencyPropertyChangedEventHandler(ChartCanvas_IsVisibleChanged);
NoDataLabel.MouseMove += new MouseEventHandler(NoDataLabel_MouseMove);
AttachEventsToCanvas(ChartInteractiveCanvas);
ResizeChart();
}
private TimeSeriesDataPoint GetInterpolatedDataPointFromMouseCoordinates(TimeSeriesData Series, Point mousePos)
{
TimeSeriesDataPoint dataPoint = new TimeSeriesDataPoint();
dataPoint.TimeStamp = DateTime.Now;
dataPoint.Value = double.NaN;
Point pos = mousePos;
pos.Y = ChartInteractiveCanvas.ActualHeight - pos.Y;
GeneralTransform inverse = shapeTransform.Inverse;
if (inverse != null)
{
pos = inverse.Transform(pos);
DateTime xVal = Series.FromPointSeconds(pos.X);
double yVal = Series.GetClosedInterpolatedValue(xVal);
dataPoint.TimeStamp = xVal;
dataPoint.Value = yVal;
}
return dataPoint;
}
public void AddSeries(TimeSeriesData series)
{
series.PlotSizeChanged += new PlotSizeChangedDelegate(dataSeries_PlotSizeChanged);
dataSeries.Add(series);
}
private void FillSampleData()
{
mChart.ClearAllSeries();
TimeSeriesData data1 = new TimeSeriesData();
data1.Name = "LG001";
data1.StrokeColor = Colors.DarkBlue;
data1.IsAreaMode = false;
data1.Clear();
TimeSeriesData data2 = new TimeSeriesData();
data2.Name = "LG002";
data2.StrokeColor = Colors.Red;
data2.IsAreaMode = false;
data2.Clear();
TimeSeriesData data3 = new TimeSeriesData();
data3.Name = "LG003";
data3.StrokeColor = Colors.Green;
data3.IsAreaMode = false;
data3.Clear();
RandomDataSeries ranData1 = new RandomDataSeries();
Thread.Sleep(137);
RandomDataSeries ranData2 = new RandomDataSeries();
Thread.Sleep(153);
RandomDataSeries ranData3 = new RandomDataSeries();
ranData1.ValueScale = 300;
ranData2.ValueScale = 400;
ranData2.SampleFrequencyPerMin = 0.8;
ranData3.ValueScale = 200;
ranData3.SampleFrequencyPerMin = 0.5;
List<TimeSeriesDataPoint> points1 = new List<TimeSeriesDataPoint>();
ranData1.ReSeed();
for (int i = 0; i <= 65; i++)
{
points1.Add(ranData1.NextDataPoint);
}
List<TimeSeriesDataPoint> points2 = new List<TimeSeriesDataPoint>();
ranData2.ReSeed();
for (int i = 0; i <= 13; i++)
{
points2.Add(ranData2.NextDataPoint);
}
List<TimeSeriesDataPoint> points3 = new List<TimeSeriesDataPoint>();
ranData3.ReSeed();
for (int i = 0; i <= 8; i++)
{
points3.Add(ranData3.NextDataPoint);
}
mChart.AddSeries(data1);
mChart.AddSeries(data2);
mChart.AddSeries(data3);
data1.AddPointsRange(points1.ToArray());
data2.AddPointsRange(points2.ToArray());
data3.AddPointsRange(points3.ToArray());
}