Case Studies
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Spline Area Chart
A Spline Area chart is very similar to a spline chart. Data is displayed using different colors in the "area" below the line. Each series of points is represented with a different color. Area charts are commonly used to display accumulated values over a period of time.
// Sample Code
'Spline Area Sample ChartControl.Content.Legend.Visible = True ChartControl.Content.Legend.HorizontalAlignment = xtpChartLegendNearOutside Dim Series As ChartSeries Set Series = ChartControl.Content.Series.Add("New York") Series.Points.Add 1900, 7268 Series.Points.Add 1950, 14830 Series.Points.Add 1990, 17990 Series.Points.Add 2000, 18976 Series.Points.Add 2008, 20323 Set Series = ChartControl.Content.Series.Add("California") Series.Points.Add 1900, 1485 Series.Points.Add 1950, 10586 Series.Points.Add 1990, 29760 Series.Points.Add 2000, 33871 Series.Points.Add 2008, 36756 Set Series = ChartControl.Content.Series.Add("Florida") Series.Points.Add 1900, 528 Series.Points.Add 1950, 2771 Series.Points.Add 1990, 12937 Series.Points.Add 2000, 15982 Series.Points.Add 2008, 18328 Set Series = ChartControl.Content.Series.Add("Texas") Series.Points.Add 1900, 3048 Series.Points.Add 1950, 7711 Series.Points.Add 1990, 14986 Series.Points.Add 2000, 20851 Series.Points.Add 2008, 24326 ChartControl.Content.Titles.Add "Population by U.S. State" ChartControl.Content.Legend.Visible = True Set ChartControl.Content.Series(3).Style = New ChartSplineAreaSeriesStyle Set ChartControl.Content.Series(2).Style = New ChartSplineAreaSeriesStyle Set ChartControl.Content.Series(1).Style = New ChartSplineAreaSeriesStyle Set ChartControl.Content.Series(0).Style = New ChartSplineAreaSeriesStyle Dim Diagram As ChartDiagram2D Set Diagram = ChartControl.Content.Series(0).Diagram Diagram.AxisY.Title = "Population Growth (Millions)" Diagram.AxisY.Title.Visible = True Diagram.AxisX.Title = "Decade / Year" Diagram.AxisX.Title.Visible = True
// Sample C# Code
