public static async Task <NCEPReanalysisGaussT62GridDataHandler> CreateAsync(IStorageContext dataContext)
{
var storageDefinition = dataContext.StorageDefinition;
var timeAxis = await dataContext.GetDataAsync("time");
var timeIntegrator = new TimeAxisAvgProcessing.TimeAxisAvgFacade(
timeAxis,
new TimeAxisProjections.ContinuousHours(new DateTime(1, 1, 1)),
new WeightProviders.StepFunctionInterpolation(),
new DataCoverageEvaluators.ContinousMeansCoverageEvaluator());
var latIntegratorTask = LinearIntegratorsFactory.SmartConstructAsync(dataContext, IntegratorsFactoryHelpers.AutodetectLatName(storageDefinition));
var lonIntegratorTask = LinearIntegratorsFactory.SmartConstructAsync(dataContext, IntegratorsFactoryHelpers.AutodetectLonName(storageDefinition));
var latIntegrator = await latIntegratorTask;
var lonIntegrator = await lonIntegratorTask;
var thinningTimeIntegrator = new TimeAxisIntegratorThinningDecorator(timeIntegrator);
var thinningLatIntegrator = new SpatGridIntegatorThinningDecorator(latIntegrator);
var thinningLonIntegrator = new SpatGridIntegatorThinningDecorator(lonIntegrator);
var baseNodeUncertainty = new NoBaseUncertaintyProvider();
var temporalVarianceCalculaator = new LinearCombination1DVarianceCalc(new StorageContextMetadataTimeVarianceExtractor(storageDefinition), timeIntegrator);
var spatialVarianceCalculator = new LinearCombinationOnSphereVarianceCalculator(new StorageContextMetadataSpatialVarianceExtractor(storageDefinition), latIntegrator, lonIntegrator);
var gaussianFieldUncertaintyEvaluator = new SequentialTimeSpatialUncertaintyEvaluatorFacade(thinningTimeIntegrator, latIntegrator, lonIntegrator, temporalVarianceCalculaator, spatialVarianceCalculator, baseNodeUncertainty);
var coverageCheckUncertaintyEvaluator = new GridUncertaintyConventionsDecorator(gaussianFieldUncertaintyEvaluator, latIntegrator, lonIntegrator, timeIntegrator);
var scaledUncertaintyEvaluator = new Microsoft.Research.Science.FetchClimate2.UncertaintyEvaluators.LinearTransformDecorator(coverageCheckUncertaintyEvaluator);
var variablePresenceCheckEvaluator = new VariablePresenceCheckDecorator(dataContext.StorageDefinition, scaledUncertaintyEvaluator);
scaledUncertaintyEvaluator.SetTranform("prate", new Func <double, double>(v => v * 2592000.0)); //kg/m^2/s to mm/month (assuming month is 30 days)
var gridAggregator = new GridMeanAggregator(dataContext, timeIntegrator, latIntegrator, lonIntegrator, false);
var clusteringAggregator = new GridClusteringDecorator(dataContext.StorageDefinition, gridAggregator, timeIntegrator, latIntegrator, lonIntegrator);
var scaledAggregator = new Microsoft.Research.Science.FetchClimate2.ValueAggregators.LinearTransformDecorator(dataContext, clusteringAggregator);
scaledAggregator.SetAdditionalTranform("prate", new Func <double, double>(v => v * 2592000.0)); //kg/m^2/s to mm/month (assuming month is 30 days)
return(new NCEPReanalysisGaussT62GridDataHandler(dataContext, variablePresenceCheckEvaluator, scaledAggregator));
}
public static async Task <NCEPReanalysisRegularGridDataHandler> CreateAsync(IStorageContext dataContext)
{
var storageDefinition = dataContext.StorageDefinition;
var timeAxis = await dataContext.GetDataAsync("time");
var timeIntegrator = new TimeAxisAvgProcessing.TimeAxisAvgFacade(
timeAxis,
new TimeAxisProjections.ContinuousHours(new DateTime(1, 1, 1)),
new WeightProviders.LinearInterpolation(),
new DataCoverageEvaluators.IndividualObsCoverageEvaluator());
var latIntegratorTask = LinearIntegratorsFactory.SmartConstructAsync(dataContext, IntegratorsFactoryHelpers.AutodetectLatName(storageDefinition));
var lonIntegratorTask = LinearIntegratorsFactory.SmartConstructAsync(dataContext, IntegratorsFactoryHelpers.AutodetectLonName(storageDefinition));
var latIntegrator = await latIntegratorTask;
var lonIntegrator = await lonIntegratorTask;
var thinningTimeIntegrator = new TimeAxisIntegratorThinningDecorator(timeIntegrator);
var thinningLatIntegrator = new SpatGridIntegatorThinningDecorator(latIntegrator);
var thinningLonIntegrator = new SpatGridIntegatorThinningDecorator(lonIntegrator);
var baseNodeUncertainty = new NoBaseUncertaintyProvider();
var temporalVarianceCalculaator = new LinearCombination1DVarianceCalc(new StorageContextMetadataTimeVarianceExtractor(storageDefinition), timeIntegrator);
var spatialVarianceCalculator = new LinearCombinationOnSphereVarianceCalculator(new StorageContextMetadataSpatialVarianceExtractor(storageDefinition), latIntegrator, lonIntegrator);
var gaussianFieldUncertaintyEvaluator = new SequentialTimeSpatialUncertaintyEvaluatorFacade(thinningTimeIntegrator, thinningLatIntegrator, thinningLonIntegrator, temporalVarianceCalculaator, spatialVarianceCalculator, baseNodeUncertainty);
var coverageCheckUncertaintyEvaluator = new GridUncertaintyConventionsDecorator(gaussianFieldUncertaintyEvaluator, latIntegrator, lonIntegrator, timeIntegrator); //we do not need DegK to DegC in uncertainty as uncertainty is based on defference and does not depend on constant ofsets
var variablePresenceCheckEvaluator = new VariablePresenceCheckDecorator(dataContext.StorageDefinition, coverageCheckUncertaintyEvaluator);
var gridAggregator = new GridMeanAggregator(dataContext, timeIntegrator, latIntegrator, lonIntegrator, false);
var clusteringAggregator = new GridClusteringDecorator(dataContext.StorageDefinition, gridAggregator, timeIntegrator, latIntegrator, lonIntegrator);
var scaledAggregator = new Microsoft.Research.Science.FetchClimate2.ValueAggregators.LinearTransformDecorator(dataContext, clusteringAggregator);
scaledAggregator.SetAdditionalTranform("air", new Func <double, double>(v => v - 273.15)); // DegK to DegC
return(new NCEPReanalysisRegularGridDataHandler(dataContext, variablePresenceCheckEvaluator, scaledAggregator));
}
