Program.cs

using Simplify.NET;
using System;
using System.Collections.Generic;

namespace Simplify.NetTest
{
    class Program
    {
        static void Main(string[] args)
        {
            var points = new List<Point> {
                new Point(224.55,250.15),new Point(226.91,244.19),new Point(233.31,241.45),new Point(234.98,236.06),
                new Point(244.21,232.76),new Point(262.59,215.31),new Point(267.76,213.81),new Point(273.57,201.84),
                new Point(273.12,192.16),new Point(277.62,189.03),new Point(280.36,181.41),new Point(286.51,177.74),
                new Point(292.41,159.37),new Point(296.91,155.64),new Point(314.95,151.37),new Point(319.75,145.16),
                new Point(330.33,137.57),new Point(341.48,139.96),new Point(369.98,137.89),new Point(387.39,142.51),
                new Point(391.28,139.39),new Point(409.52,141.14),new Point(414.82,139.75),new Point(427.72,127.30),
                new Point(439.60,119.74),new Point(474.93,107.87),new Point(486.51,106.75),new Point(489.20,109.45),
                new Point(493.79,108.63),new Point(504.74,119.66),new Point(512.96,122.35),new Point(518.63,120.89),
                new Point(524.09,126.88),new Point(529.57,127.86),new Point(534.21,140.93),new Point(539.27,147.24),
                new Point(567.69,148.91),new Point(575.25,157.26),new Point(580.62,158.15),new Point(601.53,156.85),
                new Point(617.74,159.86),new Point(622.00,167.04),new Point(629.55,194.60),new Point(638.90,195.61),
                new Point(641.26,200.81),new Point(651.77,204.56),new Point(671.55,222.55),new Point(683.68,217.45),
                new Point(695.25,219.15),new Point(700.64,217.98),new Point(703.12,214.36),new Point(712.26,215.87),
                new Point(721.49,212.81),new Point(727.81,213.36),new Point(729.98,208.73),new Point(735.32,208.20),
                new Point(739.94,204.77),new Point(769.98,208.42),new Point(779.60,216.87),new Point(784.20,218.16),
                new Point(800.24,214.62),new Point(810.53,219.73),new Point(817.19,226.82),new Point(820.77,236.17),
                new Point(827.23,236.16),new Point(829.89,239.89),new Point(851.00,248.94),new Point(859.88,255.49),
                new Point(865.21,268.53),new Point(857.95,280.30),new Point(865.48,291.45),new Point(866.81,298.66),
                new Point(864.68,302.71),new Point(867.79,306.17),new Point(859.87,311.37),new Point(860.08,314.35),
                new Point(858.29,314.94),new Point(858.10,327.60),new Point(854.54,335.40),new Point(860.92,343.00),
                new Point(856.43,350.15),new Point(851.42,352.96),new Point(849.84,359.59),new Point(854.56,365.53),
                new Point(849.74,370.38),new Point(844.09,371.89),new Point(844.75,380.44),new Point(841.52,383.67),
                new Point(839.57,390.40),new Point(845.59,399.05),new Point(848.40,407.55),new Point(843.71,411.30),
                new Point(844.09,419.88),new Point(839.51,432.76),new Point(841.33,441.04),new Point(847.62,449.22),
                new Point(847.16,458.44),new Point(851.38,462.79),new Point(853.97,471.15),new Point(866.36,480.77)
            };

            var result = SimplifyNet.Simplify(points, 5);

            Console.WriteLine($"{points.Count} vs. {result.Count}");
        }
    }
}