// primary function (accepts a style)
public void AddScatter(double[] xs, double[] ys, Style style)
{
xs = xs ?? AscendingNumbers(ys.Length);
var scatter = new Plottables.Scatter(xs, ys, style);
plotObjects.Add(scatter);
}
private void RenderDataScatter(Plottables.Scatter scatter)
{
// convert XY pairs to an array of points scaled to pixel units
Point[] points = new Point[scatter.xs.Length];
for (int i = 0; i < scatter.xs.Length; i++)
{
int pixelX = settings.axisX.UnitToPixel(scatter.xs[i]);
int pixelY = settings.axisY.UnitToPixel(scatter.ys[i]);
pixelY = settings.dataPlotHeight - pixelY;
points[i] = new Point(pixelX, pixelY);
}
// draw lines
if (points.Length > 1 && scatter.style.lineWidth > 0)
{
Pen linePen = new Pen(scatter.style.lineColor, scatter.style.lineWidth);
linePen.StartCap = System.Drawing.Drawing2D.LineCap.Round;
linePen.EndCap = System.Drawing.Drawing2D.LineCap.Round;
linePen.LineJoin = System.Drawing.Drawing2D.LineJoin.Round;
try
{
gfxData.DrawLines(linePen, points);
}
catch
{
Console.WriteLine("Crashed drawing lines");
}
}
// draw markers
int markerSize = scatter.style.markerSize;
var markerPen = new Pen(scatter.style.markerColor);
Brush markerBrush = new SolidBrush(scatter.style.markerColor);
if (markerSize > 0)
{
try
{
foreach (Point point in points)
{
Rectangle rect = new Rectangle(point.X - markerSize, point.Y - markerSize, markerSize * 2, markerSize * 2);
if (scatter.style.markerShape == Style.MarkerShape.circleFilled)
{
gfxData.FillEllipse(markerBrush, rect);
}
else if (scatter.style.markerShape == Style.MarkerShape.circleOpen)
{
gfxData.DrawEllipse(markerPen, rect);
}
else
{
Console.WriteLine("UNKNOWN SHAPE: {scatter.style.markerShape}");
}
}
}
catch
{
Console.WriteLine($"Crashed drawing markers");
}
}
}