public static async Task <DataHandler> CreateAsync(IStorageContext dataContext) { IScatteredPointContextBasedLinearWeightProviderOnSphere <IDelaunay_Voronoi> weightsProvider = new AlexNNIAdapter(); IAsyncMap <INodes, IDelaunay_Voronoi> interpolationContextFactory = new AlexNNIContextProvider(); //NOTE: interpolation context is cached in the produced interpolators (e.g. Delaunay triangulation is computed only once for each nodes set) //We can use one cache for all of the requests (cache is not cleaned) as we use AllStationsStationLocator which returns all stations for any request IScatteredPointsLinearInterpolatorOnSphereFactory pointsInterpolatorOnSphereFactory = new CachingLinearWeightsProviderFactory2 <IDelaunay_Voronoi>(weightsProvider, interpolationContextFactory); int stationsCount = dataContext.StorageDefinition.DimensionsLengths["stations"]; var timeAxis = await dataContext.GetDataAsync("time"); ITimeAxisAvgProcessing timeAxisIntegrator = new TimeAxisAvgProcessing.TimeAxisAvgFacade( timeAxis, new TimeAxisProjections.DateTimeMoments(), new WeightProviders.StepFunctionInterpolation(), new DataCoverageEvaluators.ContinousMeansCoverageEvaluator()); IStationLocator stationLocator = new AllStationsStationLocator(stationsCount); ICellRequestMapFactory <RealValueNodes> timeSeriesAveragerFactory = (await TimeIntegratorBasedAveragerFactory.CreateAsync(dataContext, timeAxisIntegrator, stationLocator)); ICellRequestMap <RealValueNodes> timeSeriesAverager = await timeSeriesAveragerFactory.CreateAsync(); //NOTE: Here we engage caching of timeseries. Timeseries is cached for all cells having the same time segment. It is acheived by HashBasedTimeSegmentOnlyConverter ICellRequestMapFactory <RealValueNodes> cachingTimeSeriesAveragerFactory = new CellRequestMapCachingFactory <RealValueNodes>(timeSeriesAverager, new HashBasedTimeSegmentOnlyConverter()); ILinearCombintaionContextFactory compContextFactory = new LinearWeightsContextFactoryFacade <RealValueNodes>(pointsInterpolatorOnSphereFactory, cachingTimeSeriesAveragerFactory); //NOTE: Hege caching is engaged as well. We cache the variogram for the cells with the same corresponding node set. IVariogramProvider lmVariogramFitter = new LmDotNetVariogramProvider(); IVariogramProviderFactory variogramProviderFactory = new VariogramProviderCachingFactory(lmVariogramFitter); IUncertaintyEvaluatorOfLinearCombination uncertatintyEvaluator = new PointsGausianFieldUncertaintyEvaluator(variogramProviderFactory); return(new DataHandler(dataContext, compContextFactory, uncertatintyEvaluator)); }
public LinearWeightsContextFactoryFacade(IScatteredPointsLinearInterpolatorOnSphereFactory linearInterpolatorFactory, ICellRequestMapFactory <TNodes> timeSeriesAveragerFactory) { this.linearInterpolatorFactory = linearInterpolatorFactory; this.timeSeriesAveragerFactory = timeSeriesAveragerFactory; }