Polygon Util, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Microsoft (R) Visual C# Compiler version 2.9.0.63208 (958f2354)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using Newtonsoft.Json;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
           var d = CreatePolygon(0,0,0.3048,0.3048,1,2);         
           Console.WriteLine (JsonConvert.SerializeObject(d));
        }
        
        public static Model.Polygonjson CreatePolygon(double X1, double Y1, double xvalue, double yvalue, int Xaxis, int yAxis)
        {
            var JsonOutput = new Model.Polygonjson();
            for (int M = 1; M <= yAxis; M++)
            {

for (int j = 1; j <= Xaxis; j++)
                {
                    var georecord = new Model.GeomCenterCell();
                    georecord.type = "Polygon";
                    if (georecord.coordinates == null)
                    {
                        georecord.coordinates = new List<List<List<double>>>();
                    }

}
                    Coordinates.Add(Point1);
                    Coordinates.Add(Point2);
                    Coordinates.Add(Point3);
                    Coordinates.Add(Point4);
                    Coordinates.Add(Point1);
                    georecord.coordinates.Clear();
                    georecord.coordinates.Add(Coordinates);
                    record.geom_center_cell = georecord;
                   
                    if (JsonOutput.data == null)
                    {
                        JsonOutput.data = new List<Model.Dataum>();
                    }
                    JsonOutput.data.Add(record);

}
                JsonOutput.proj4text = "+proj=tmerc +lat_0=36.666666666667 +lon_0=-90.166666666667 +k_0=0.9999411764706 +a=6378137.0000001015 +b=6356752.314140457 +x_0=699999.9999999898 +y_0=0.0 +towgs84=0.0,0.0,0.0 +units=m +no_defs";
                JsonOutput.machine_id = "G301";

}
            return JsonOutput;
        }
    }
    
    public class Model
    {
        public class GeomCenterCell
        {
            public string type;
            public List<List<List<double>>> coordinates;
        }

public class Dataum
        {
            public object timestamp;
            public GeomCenterCell geom_center_cell;
            public string Case;
            
        }

public class Polygonjson
        {
            public string proj4text;
            public string machine_id;
            public List<Dataum> data;
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,62 sec, absolute running time: 0,53 sec, cpu time: 0,53 sec, average memory usage: 25 Mb, average nr of threads: 5, absolute service time: 1,18 sec