public void DistanceReturnsCorrectDistance()
        {
            double latitude1 = 0.929302344;
            double longitude1 = -0.108879486;
            double latitude2 = 0.930927181;
            double longitude2 = -0.109244654;

            double expectedDistance = 10.444825879238;

            GPSPoint point1 = new GPSPoint(latitude1, longitude1);
            GPSPoint point2 = new GPSPoint(latitude2, longitude2);

            double actualDistance = point1.Distance(point2);

            Assert.AreEqual(expectedDistance, actualDistance, 0.000001, "Distance not calculated correctly");
        }
예제 #2
0
        static void Main(string[] args)
        {
            //URL where a text file containing JSON objects is located
            const string URI = "https://gist.githubusercontent.com/brianw/19896c50afa89ad4dec3/raw/" +
                "6c11047887a03483c50017c1d451667fd62a53ca/gistfile1.txt";

            //initialize a GPSPoint with Dublin GPS coordiantes
            GPSPoint DublinLocation = new GPSPoint(53.3381985 * Math.PI / 180,
                -6.2592576 * Math.PI / 180);

            //initialize a customer list using the classes UrlReader and JsonObjectReader
            //that implements the interfaces IReader and IObjectreader respectively
            try
            {
                SystemWebClientFactory myWebClientFactory = new SystemWebClientFactory();
                UriToStream myUriToStream = new UriToStream(myWebClientFactory, URI);
                StreamToStreamReader myStreamReader = new StreamToStreamReader(myUriToStream);
                JsonDeserializer<Customer> myJsonDeserializer =
                    new JsonDeserializer<Customer>(myStreamReader);
                List<Customer> customers = myJsonDeserializer.Deserialize().ToList();

                //sort list of customers by User_id
                List<Customer> sortedCustomers = (from c in customers orderby c.User_id select c)
                    .ToList<Customer>();

                //print out the list of invited customers
                foreach (Customer customer in sortedCustomers)
                {
                    GPSPoint customerLocation = new GPSPoint(customer.Latitude * Math.PI / 180,
                        customer.Longitude * Math.PI / 180);
                    double customerDistance = customerLocation.Distance(DublinLocation);
                    if (customerDistance <= 100)
                    {
                        Console.WriteLine("User ID: {0} Customer Name: {1} Distance: {2}",
                        customer.User_id, customer.Name, customerDistance);
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
            Console.ReadLine();
        }