public void Nearest() { var pt = JsonConvert.DeserializeObject <Feature>(Tools.GetResource("nearest.pt.geojson")); var pts = JsonConvert.DeserializeObject <FeatureCollection>(Tools.GetResource("nearest.pts.geojson")); var closestPt = Turf.Nearest(pt, pts); Assert.AreEqual(closestPt.Geometry.Type, GeoJSONObjectType.Point, "should be a point"); Assert.AreEqual(((GeographicPosition)((Point)closestPt.Geometry).Coordinates).Longitude, -75.33, "lon -75.33"); Assert.AreEqual(((GeographicPosition)((Point)closestPt.Geometry).Coordinates).Latitude, 39.44, "lat 39.44"); }