private void addDataSourceBtn_Click(object sender, RoutedEventArgs e)
{
var line = plotter.AddLineGraph(CreateSineDataSource(rnd.NextDouble()));
DataFollowChart followChart = new DataFollowChart(line);
plotter.Children.Add(followChart);
//plotter.AddLineGraph(CreateLineDataSource(rnd.NextDouble()), 2);
}
void dataFollowChart_MarkerPositionChanged(object sender, EventArgs e)
{
DataFollowChart chart = (DataFollowChart)sender;
ValueStore store;
if (chart.FollowDataContext.Data == null)
{
store = new ValueStore("X", "Y");
chart.FollowDataContext.Data = store;
}
else
{
store = (ValueStore)chart.FollowDataContext.Data;
}
if (chart.ClosestPointIndex != -1)
{
var closestPoint = ((List <TPoint>)edsLog10.Data)[chart.ClosestPointIndex];
store["X"] = closestPoint.Y.ToString();
store["Y"] = closestPoint.X.ToShortDateString();
}
}
void LogYWindow_Loaded(object sender, RoutedEventArgs e)
{
//ChartPlotter plotter = new ChartPlotter();
//plotter.Children.Add(new CursorCoordinateGraph());
//plotter.DataTransform = new Log10YTransform();
//VerticalAxis axis = new VerticalAxis
//{
// TicksProvider = new LogarithmNumericTicksProvider(10),
// LabelProvider = new UnroundingLabelProvider()
//};
//plotter.MainVerticalAxis = axis;
//plotter.AxisGrid.DrawVerticalMinorTicks = true;
//const int count = 500;
//double[] xs = Enumerable.Range(1, count).Select(x => x * 0.01).ToArray();
//EnumerableDataSource<double> xDS = xs.AsXDataSource();
//var pows = xs.Select(x => Math.Pow(10, x));
//var linear = xs.Select(x => x);
//var logXs = Enumerable.Range(101, count).Select(x => x * 0.01);
//var logarithmic = logXs.Select(x => Math.Log10(x));
//plotter.AddLineGraph(pows.AsYDataSource().Join(xDS), "f(x) = 10^x");
//plotter.AddLineGraph(linear.AsYDataSource().Join(xDS), "f(x) = x");
//plotter.AddLineGraph(logarithmic.AsYDataSource().Join(logXs.AsXDataSource()), "f(x) = log(x)");
//Content = plotter;
ChartPlotter plotter = new ChartPlotter();
plotter.DataTransform = new Log10YTransform();
VerticalAxis yAxis = new VerticalAxis
{
TicksProvider = new LogarithmNumericTicksProvider(10),
LabelProvider = new UnroundingLabelProvider()
};
plotter.MainVerticalAxis = yAxis;
plotter.AxisGrid.DrawVerticalMinorTicks = true;
HorizontalDateTimeAxis xAxis = new HorizontalDateTimeAxis();
plotter.MainHorizontalAxis = xAxis;
EnumerableDataSource <TPoint> edsPow = new EnumerableDataSource <TPoint>(
Enumerable.Range(1, 2000).Select(s =>
new TPoint
{
X = DateTime.Now.AddYears(-20).AddDays(s),
Y = Math.Pow(10, s / 5000.0)
}
).ToList());
//edsPow.SetXYMapping(s => new Point(xax.ConvertToDouble(s.X), s.Y));
edsPow.SetXMapping(s => xAxis.ConvertToDouble(s.X));
edsPow.SetYMapping(s => yAxis.ConvertToDouble(s.Y));
edsPow.AddMapping(ShapeElementPointMarker.ToolTipTextProperty, s => string.Format("Vol:{0}\r\nOn:{1}", s.Y, s.X.ToShortDateString()));
EnumerableDataSource <TPoint> edsLinear = new EnumerableDataSource <TPoint>(
Enumerable.Range(1, 2000).Select(s =>
new TPoint
{
X = DateTime.Now.AddYears(-20).AddDays(s),
Y = s / 2000.0
}
).ToList());
//edsLinear.SetXYMapping(s => new Point(xax.ConvertToDouble(s.X), s.Y));
edsLinear.SetXMapping(s => xAxis.ConvertToDouble(s.X));
edsLinear.SetYMapping(s => yAxis.ConvertToDouble(s.Y));
edsLinear.AddMapping(ShapeElementPointMarker.ToolTipTextProperty, s => string.Format("Vol:{0}\r\nOn:{1}", s.Y, s.X.ToShortDateString()));
edsLog10 = new EnumerableDataSource <TPoint>(
Enumerable.Range(1, 2000).Select(s =>
new TPoint
{
X = DateTime.Now.AddYears(-20).AddDays(s),
Y = Math.Log10(s)
}
).Where(s => s.Y > 0).ToList());
//edsLog10.SetXYMapping(s => new Point(xax.ConvertToDouble(s.X), s.Y));
edsLog10.SetXMapping(s => xAxis.ConvertToDouble(s.X));
edsLog10.SetYMapping(s => yAxis.ConvertToDouble(s.Y));
edsLog10.AddMapping(ShapeElementPointMarker.ToolTipTextProperty, s => string.Format("Vol:{0}\r\nOn:{1}", s.Y, s.X.ToShortDateString()));
SolidColorBrush brushPow = new SolidColorBrush(Colors.Green);
Pen linePenPow = new Pen(brushPow, 2.0);
CircleElementPointMarker markerPow = new CircleElementPointMarker
{
Size = 4,
Brush = brushPow,
Fill = brushPow
};
PenDescription descPow = new PenDescription("f(x) = 10 ^ x");
//var chartPow = plotter.AddLineGraph(edsPow, linePenPow, (ShapeElementPointMarker)null/*markerPow*/, descPow);
SolidColorBrush brushLinear = new SolidColorBrush(Colors.Blue);
Pen linePenLinear = new Pen(brushLinear, 2.0);
CircleElementPointMarker markerLinear = new CircleElementPointMarker
{
Size = 4,
Brush = brushLinear,
Fill = brushLinear
};
PenDescription descLinear = new PenDescription("f(x) = x");
//var chartLinear = plotter.AddLineGraph(edsLinear, linePenLinear, (ShapeElementPointMarker)null/*markerLinear*/, descLinear);
SolidColorBrush brushLog10 = new SolidColorBrush(Colors.Red);
Pen linePenLog10 = new Pen(brushLog10, 2.0);
CircleElementPointMarker markerLog10 = new CircleElementPointMarker
{
Size = 4,
Brush = brushLog10,
Fill = brushLog10
};
PenDescription descLog10 = new PenDescription("f(x) = log(x)");
var chartLog10 = plotter.AddLineGraph(edsLog10, linePenLog10, (ShapeElementPointMarker)null /*markerLog10*/, descLog10);
//plotter.Children.Add(new DataFollowChart(chartPow.LineGraph).WithProperty(c =>
//{
// c.Marker.SetValue(Shape.FillProperty, brushPow);
// c.Marker.SetValue(Shape.StrokeProperty, brushPow.MakeDarker(0.2));
//}));
//plotter.Children.Add(new DataFollowChart(chartLinear.LineGraph).WithProperty(c =>
//{
// c.Marker.SetValue(Shape.FillProperty, brushLinear);
// c.Marker.SetValue(Shape.StrokeProperty, brushLinear.MakeDarker(0.2));
//}));
plotter.Children.Add(new CursorCoordinateGraph());
ValueStore store = new ValueStore();
DataFollowChart dataFollowChart = new DataFollowChart(chartLog10.LineGraph);
dataFollowChart.Marker.SetValue(Shape.FillProperty, brushLog10);
dataFollowChart.Marker.SetValue(Shape.StrokeProperty, brushLog10.ChangeLightness(0.8));
dataFollowChart.MarkerPositionChanged += new EventHandler(dataFollowChart_MarkerPositionChanged);
//dataFollowChart.CustomDataContextCallback = () =>
// {
// if (dataFollowChart.ClosestPointIndex != -1)
// {
// var closestPoint = ((List<TPoint>)edsLog10.Data)[dataFollowChart.ClosestPointIndex];
// return store.SetValue("X", closestPoint.Y.ToString()).SetValue("Y", closestPoint.X.ToShortDateString());
// }
// else return null;
// };
#if true
dataFollowChart.MarkerTemplate = (DataTemplate)FindResource("followMarkerTemplate");
#else
dataFollowChart.MarkerAdjustCallback = marker =>
{
Ellipse ellipse = (Ellipse)marker;
var markerPosition = c.MarkerPosition;
var date = xAxis.ConvertFromDouble(markerPosition.X);
var y = yAxis.ConvertFromDouble(markerPosition.Y);
ellipse.ToolTip = String.Format("Vol:{0}\r\nOn:{1}", y, date.ToShortDateString());
};
#endif
plotter.Children.Add(dataFollowChart);
Content = plotter;
}