public void SingleEnsemble()
        {
            var fn = @"c:\temp\ensemble-single.h5";

            File.Delete(fn);
            string     fileName = Path.Combine(EnsembleTester.CacheDir, "test.csv");
            RfcCsvFile csv      = new RfcCsvFile(fileName);

            float[,] data = csv.GetEnsemble("SCRN2");
            Watershed ws = new Watershed("simple");
            DateTime  t  = DateTime.Now.Date.AddHours(12);

            ws.AddForecast("scrn2", t, data, new DateTime[] { t });

            H5Assist.H5Writer h5 = new H5Assist.H5Writer(fn);
            HDF5Ensemble.Write(h5, ws);

            var w = HDF5Ensemble.Read(h5, "simple");

            Assert.AreEqual(1, w.Locations.Count);

            var ensemble = w.Locations[0].Forecasts[0].Ensemble;

            Assert.AreEqual(337, ensemble.GetLength(1));
            Assert.AreEqual(59, ensemble.GetLength(0));


            Assert.AreEqual(-59.0f, ensemble[58, 0]);
            Assert.AreEqual(-59.1f, ensemble[58, 1]);
        }