X_Y.png filenames to scatter

picPosScatter.cs

using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace picPosScatter
{
    internal class Program
    {
        static void Main(string[] args)
        {
            List<System.Drawing.PointF> points = new List<System.Drawing.PointF>();
            string[] files = Directory.GetFiles(@"C:\Users\delta\Desktop\Images");
            foreach (string file in files)
            {
                string clean = file.Replace(".png", "").Split('\\').Last();
                string[] cols = clean.Split('_');
                points.Add(new System.Drawing.PointF(float.Parse(cols[0]), float.Parse(cols[1])));
            }
            var plt = new ScottPlot.Plot(600, 400);
            plt.Grid(false);
            double[] xs = points.Select(x => (double)x.X).ToArray();
            double[] ys = points.Select(x => (double)x.Y).ToArray();
            plt.AddScatter(xs, ys, lineStyle: ScottPlot.LineStyle.None);
            plt.SaveFig(@"C:\Users\delta\Desktop\fig.png");
        }
    }
}