if(xy.kind == 2) {
					VectorXY& h = data.Create<VectorXY>(x, y);
					SplineEquation& e = spline.Add();
					e.Fit(h);
					scatter.AddSeries(e).NoMark().NoSeriesLegend().ExplicitRange(Min(x), Max(x));
				}
				else
					scatter.AddSeries(x, y);
				if(xy.title.GetCount() && xy.kind != 2)
					scatter.Legend(xy.title);
				if(xy.kind)
					scatter.Stroke(DPI(2), xy.color);
				else
					scatter.NoPlot();
				if(xy.point) {
					if(xy.kind == 2) {
						scatter.AddSeries(x, y).NoPlot();
						scatter.Legend(xy.title);
					}
					scatter.MarkWidth(DPI(12)).MarkColor(xy.point_color);
					switch(xy.point) {
					case 1: scatter.MarkStyle<RhombMarkPlot>(); break;
					case 2: scatter.MarkStyle<CircleMarkPlot>(); break;
					case 3: scatter.MarkStyle<SquareMarkPlot>(); break;
					case 4: scatter.MarkStyle<TriangleMarkPlot>(); break;
					}
				}
				else
					scatter.NoMark();