protected override Image DoCreateChartImage()
{
var plotter = new Plotter {Width = Parameters.ChartWidth, Height = Parameters.ChartHeight};
plotter.Grid.Padding.Top = 20;
plotter.Grid.Padding.Right = 20;
plotter.Grid.Padding.Left = 40;
plotter.Grid.Padding.Bottom = 40;
plotter.Grid.MinDistance = 40;
plotter.Graph.PointStyle.Radius = 3;
plotter.Graph.PointTextStyle.Enabled = false;
plotter.Title.TextStyle.Foreground = Color.DimGray;
plotter.OutputPath = HttpContext.Current.Server.MapPath("~/tmpImage.png");
if (File.Exists(plotter.OutputPath))
File.Delete(plotter.OutputPath);
plotter.Print(Parameters.SeriaData.Select(d => (float)d.Key).ToArray(), Parameters.SeriaData.Select(d => (float)d.Value).ToArray());
using (var fs = new FileStream(plotter.OutputPath, FileMode.Open, FileAccess.Read))
{
return Image.FromStream(fs);
}
}