public override View GetSampleContent(Context context)
{
chart = new SfChart(context);
chart.Title.Text = "Sales Distribution of Car by Region";
chart.Title.TextSize = 15;
chart.SetBackgroundColor(Color.White);
CategoryAxis primaryaxis = new CategoryAxis();
primaryaxis.ShowMajorGridLines = false;
primaryaxis.AxisLineOffset = 10;
primaryaxis.PlotOffset = 10;
primaryaxis.MajorTickStyle.TickSize = 10;
primaryaxis.LabelPlacement = LabelPlacement.BetweenTicks;
chart.PrimaryAxis = primaryaxis;
NumericalAxis secondaryAxis = new NumericalAxis();
secondaryAxis.Minimum = 15;
secondaryAxis.Maximum = 45;
secondaryAxis.Interval = 5;
secondaryAxis.LabelStyle.LabelFormat = "#'%'";
secondaryAxis.LineStyle.StrokeWidth = 0;
secondaryAxis.MajorTickStyle.TickSize = 0;
chart.SecondaryAxis = secondaryAxis;
ScatterSeries scatterSeries = new ScatterSeries();
scatterSeries.ItemsSource = MainPage.GetErrorBarData();
scatterSeries.XBindingPath = "XValue";
scatterSeries.YBindingPath = "YValue";
scatterSeries.ScatterHeight = 20;
scatterSeries.ScatterWidth = 20;
scatterSeries.ColorModel.ColorPalette = ChartColorPalette.Natural;
scatterSeries.ShapeType = ChartScatterShapeType.Ellipse;
chart.Series.Add(scatterSeries);
errorBar = new ErrorBarSeries();
errorBar.ItemsSource = MainPage.GetErrorBarData();
errorBar.XBindingPath = "XVAlue";
errorBar.YBindingPath = "YValue";
errorBar.HorizontalErrorPath = "High";
errorBar.VerticalErrorPath = "Low";
errorBar.HorizontalErrorValue = 3;
errorBar.VerticalErrorValue = 3;
errorBar.Type = ErrorBarType.Fixed;
errorBar.Mode = ErrorBarMode.Vertical;
chart.Series.Add(errorBar);
return(chart);
}
public static PlotModel GetErrorBarSeries()
{
var model = new PlotModel
{
Title = "ErrorBarSeries"
};
var l = new Legend
{
LegendPlacement = LegendPlacement.Outside,
LegendPosition = LegendPosition.BottomCenter,
LegendOrientation = LegendOrientation.Horizontal,
LegendBorderThickness = 0
};
model.Legends.Add(l);
var s1 = new ErrorBarSeries {
Title = "Series 1", IsStacked = false, StrokeColor = OxyColors.Black, StrokeThickness = 1
};
s1.Items.Add(new ErrorBarItem {
Value = 25, Error = 2
});
s1.Items.Add(new ErrorBarItem {
Value = 137, Error = 25
});
s1.Items.Add(new ErrorBarItem {
Value = 18, Error = 4
});
s1.Items.Add(new ErrorBarItem {
Value = 40, Error = 29
});
var s2 = new ErrorBarSeries {
Title = "Series 2", IsStacked = false, StrokeColor = OxyColors.Black, StrokeThickness = 1
};
s2.Items.Add(new ErrorBarItem {
Value = 35, Error = 20
});
s2.Items.Add(new ErrorBarItem {
Value = 17, Error = 7
});
s2.Items.Add(new ErrorBarItem {
Value = 118, Error = 44
});
s2.Items.Add(new ErrorBarItem {
Value = 49, Error = 29
});
var categoryAxis = new CategoryAxis {
Position = AxisPosition.Left
};
categoryAxis.Labels.Add("Category A");
categoryAxis.Labels.Add("Category B");
categoryAxis.Labels.Add("Category C");
categoryAxis.Labels.Add("Category D");
var valueAxis = new LinearAxis {
Position = AxisPosition.Bottom, MinimumPadding = 0, MaximumPadding = 0.06, AbsoluteMinimum = 0
};
model.Series.Add(s1);
model.Series.Add(s2);
model.Axes.Add(categoryAxis);
model.Axes.Add(valueAxis);
return(model);
}
