public void Tag()
{
var points = JsonConvert.DeserializeObject <FeatureCollection>(Tools.GetResource("tagPoints.geojson"));
var polygons = JsonConvert.DeserializeObject <FeatureCollection>(Tools.GetResource("tagPolygons.geojson"));
var taggedPoints = Turf.Tag(points, polygons, "polyID", "containingPolyID");
Assert.AreEqual(taggedPoints.Features.Count, points.Features.Count,
"tagged points should have the same length as the input points");
var count = taggedPoints.Features.Where(x =>
{
object val;
x.Properties.TryGetValue("containingPolyID", out val);
return(val != null && int.Parse(val.ToString()) == 4);
}).Count();
Assert.AreEqual(count, 6, "polygon 4 should have tagged 6 points");
}
