C# GIS Polygon and Distance / Area Example using NetTopologySuite

NetTopologySuite_Distance_Area_Example.cs

using System;
using NetTopologySuite.Geometries;
using GeoAPI.Geometries;
/*
this looks wrong. SRID is not used?
Edge (West-East) of Central Park: 0.00906435667878181
Margin Distance of Central Park: 0.0983743244869002
Central Park Area: 0.000354214827500022
*/
namespace NetTopologySuiteTest {
	class MainClass {
		public static void Main (string[] args) {		
		GeometryFactory factory = new GeometryFactory (new PrecisionModel(), 4326);

			// Edge of Central Park
			Point p1 = (Point)factory.CreatePoint(new Coordinate (-73.957986, 40.800566));
			Point p2 = (Point)factory.CreatePoint(new Coordinate (-73.949575,40.797187));
			double dist = p1.Distance (p2);
			Console.WriteLine ("Edge (West-East) of Central Park: " + dist);

			// Around Central Park
			Coordinate[] coords = new Coordinate[]{
				new Coordinate(-73.957986,40.800566),
				new Coordinate(-73.949575,40.797187),
				new Coordinate(-73.972921,40.764951),
				new Coordinate(-73.981676,40.768071),
				new Coordinate(-73.957986,40.800566) // Close this polygon!
			};
			LineString lineStr = (LineString)factory.CreateLineString (coords);		
			double marginDist = lineStr.Length; 
			Console.WriteLine ("Margin Distance of Central Park: " + marginDist);

			Polygon poly = (Polygon)factory.CreatePolygon(new LinearRing(coords));
			Console.WriteLine ("Central Park Area: " + poly.Area);
			
		}
	}
}

Were you able to find a solution to this? I'm struggling with the same issue.

Were you able to find a solution to this?