using System;

using System.Linq;

using Bogus;

using Bogus.Locations;

using FileHelpers;

public class Program

{

    public static void Main()

    {

       var faker = new Faker();

​

       //Microsoft Campus in Readmond, WA.

       double centerLat = 47.640320;

       double centerLon = -122.134400;

       //3 mile radius in meters:

       double radiusMeters = 4828.03; 

​

       //Generate 50 random points in a 3 mile radius

       var placemarks = Enumerable.Range(1, 50)

          .Select(_ =>

          {

             var code = faker.Random.Replace("????"); //some 4 alpha code

             var point = faker.Location().AreaCircle(centerLat, centerLon, radiusMeters);

             return new Placemark {

                   Code = code,

                   Latitude = 1,

                   Longitude = 1

                };

          });

​

       //Write this out in a CSV file.

       // -- Import FileHelpers on NuGet

       var csvEngine = new FileHelperEngine<Placemark>()

           {

              HeaderText = $"{nameof(Placemark.Code)},{nameof(Placemark.Latitude)},{nameof(Placemark.Longitude)}"

           };

​

       //Write to a file.

       //csvEngine.WriteFile(@"r:\RandomPlacemarks.csv", placemarks);

       //or a string

       Console.WriteLine(csvEngine.WriteString(placemarks));

    }

}

​

[DelimitedRecord(",")]

public class Placemark

{

   public string Code;

   public double Latitude;

   public double Longitude;

}