public void Section_Check()
{
using var stream = File.OpenRead(GribFileSamples.WmoOneDataSetMessage);
var reader = new Grib2Reader(stream);
var messages = reader.ReadMessages();
Check.That(messages).HasOneElementOnly();
Check.That(messages.Single().DataSets).HasOneElementOnly();
var record = messages.Single().DataSets.Single();
CheckIndicatorSection(record);
CheckIdentificationSection(record);
CheckGridDefinitionSection(record);
CheckProductDefinitionSection(record);
CheckDataRepresentationSection(record);
CheckBitmapSection(record);
CheckDataSection(record);
}
public void Read_PerturbationFile_Test()
{
using var stream = File.OpenRead(GribFileSamples.NcepGefsPerturbationFile);
var reader = new Grib2Reader(stream);
var datasets = reader.ReadAllDataSets().ToArray();
const int expectedEnsembleForecastsNumber = 20;
const int expectedPerturbationNumber = 8;
int perturbationNumber;
int ensembleForecastsNumber;
var tmpDataSet = datasets.Single(datasets => datasets.Parameter.Equals(Parameter.Temperature));
Check.That(tmpDataSet.ProductDefinitionSection.ProductDefinition.TryGet(ProductDefinitionContent.EnsembleForecastsNumber, out ensembleForecastsNumber)).IsTrue();
Check.That(ensembleForecastsNumber).IsEqualTo(expectedEnsembleForecastsNumber);
Check.That(tmpDataSet.ProductDefinitionSection.TryGet(ProductDefinitionContent.PerturbationNumber, out perturbationNumber)).IsTrue();
Check.That(perturbationNumber).IsEqualTo(expectedPerturbationNumber);
var apcpDataset = datasets.Single(d => d.Parameter.Equals(Parameter.TotalPrecipitation));
Check.That(apcpDataset.ProductDefinitionSection.ProductDefinition.TryGet(ProductDefinitionContent.EnsembleForecastsNumber, out ensembleForecastsNumber)).IsTrue();
Check.That(ensembleForecastsNumber).IsEqualTo(expectedEnsembleForecastsNumber);
Check.That(apcpDataset.ProductDefinitionSection.TryGet(ProductDefinitionContent.PerturbationNumber, out perturbationNumber)).IsTrue();
Check.That(perturbationNumber).IsEqualTo(expectedPerturbationNumber);
}
public void Read_AvgFile_Test()
{
using var stream = File.OpenRead(GribFileSamples.NcepGefsAvgFile);
var reader = new Grib2Reader(stream);
var datasets = reader.ReadAllDataSets().ToArray();
var apcpDataset = datasets.Single(d => d.Parameter.Equals(Parameter.TotalPrecipitation));
Check.That(apcpDataset.ProductDefinitionSection.ProductDefinition.TryGet(ProductDefinitionContent.EnsembleForecastsNumber, out var ensembleForecastsNumber)).IsTrue();
Check.That(ensembleForecastsNumber).IsEqualTo(20);
}
public void Test()
{
var reader = new Grib2Reader(GribFileSamples.MfAromeTemperatureFile);
var dsTemperature = reader.ReadAllDataSets().Single();
var items = new Dictionary <Coordinate, float?>(reader.ReadDataSetValues(dsTemperature));
double resolution = 0.025, north = 53, west = -8, east = 12;
double lat = north;
double lon = west;
foreach (var item in expectedAromeValues)
{
var shouldChangeLatitude = lon >= east;
Check.That(items[(lat, lon)]).IsEqualTo(item);
public void Test()
{
using var stream = File.OpenRead(GribFileSamples.NcepGfsTmpApcpFile);
var reader = new Grib2Reader(stream);
var datasets = reader.ReadAllDataSets().ToArray();
Check.That(datasets.Select(d => d.Parameter)).ContainsExactly(
Parameter.Temperature,
Parameter.TotalPrecipitation, // APCP 6 hours accumulation
Parameter.TotalPrecipitation // APCP 96 hours accumulation
);
var temperatureDs = datasets.Single(d => d.Parameter.Equals(Parameter.Temperature));
var data = reader.ReadDataSetValues(temperatureDs).ToList();
// Excepted values read using Panoply
Check.That(data).ContainsExactly(new Dictionary <Coordinate, float?>
{
{ (-21.25, 55), 301.405579f },
public void Test()
{
var reader = new Grib2Reader(GribFileSamples.DwdCosmoTotalPrecipitationFile);
var dsTemperature = reader.ReadAllDataSets().Single();
var items = new Dictionary <Coordinate, float?>(reader.ReadDataSetValues(dsTemperature));
double resolution = 0.02, south = 43, west = 0, east = 17;
double lat = south;
double lon = west;
// Expected values from Panoply
// ordered from West to East then South to North
var expectedCosmoValues = TestUtils.ReadCsvValues("references/DWD-COSMO-Total_precipitation_rate_surface_12_Hour_Accumulation.csv");
foreach (var item in expectedCosmoValues)
{
var shouldChangeLatitude = lon >= east - 1e-8;
Check.That(items[(lat, lon)]).IsEqualTo(item);
public void Data_Check()
{
// Expected values retrieved from Panoply
var expectedValues = new[]
{
5407.5f, 5416.5f, 5360.6f, 5470.8f, 5512.7f,
5449.3f, 5376.0f, 5503.3f, 5515.2f, 5448.4f,
5405.9f, 5467.4f, 5440.7f, 5448.5f, 5403.4f,
5348.1f, 5378.2f, 5417.6f, 5388.2f, 5520.9f,
5367.6f, 5465.7f, 5357.2f, 5475.4f, 5407.3f
};
using var stream = File.OpenRead(GribFileSamples.WmoOneDataSetMessage);
var reader = new Grib2Reader(stream);
var dataSets = reader.ReadAllDataSets().ToArray();
Check.That(dataSets).HasOneElementOnly();
var data = reader.ReadDataSetRawData(dataSets.Single()).ToArray();
Check.That(data).ContainsExactly(expectedValues);
}