Method newField

openpgl/device/Device.h:88–224

    }

    ISurfaceVolumeField *newField(PGLFieldArguments args) const override
    {
        ISurfaceVolumeField *gField;

        if (args.spatialStructureType == PGL_SPATIAL_STRUCTURE_KDTREE && args.directionalDistributionType == PGL_DIRECTIONAL_DISTRIBUTION_PARALLAX_AWARE_VMM)
        {
            using DirectionalDistributionFactory = AdaptiveSplitAndMergeFactory<ParallaxAwareVonMisesFisherMixture<VecSize, 32, true>>;
            using GuidingField = SurfaceVolumeField<VecSize, DirectionalDistributionFactory, KDTreePartitionBuilder,
                                                    VMMSurfaceSamplingDistribution<typename DirectionalDistributionFactory::Distribution, true>,
                                                    VMMVolumeSamplingDistribution<typename DirectionalDistributionFactory::Distribution, true>>;

            typename GuidingField::Settings gFieldSettings;
            gFieldSettings.settings.decayOnSpatialSplit = 0.25f;
            gFieldSettings.settings.deterministic = args.deterministic;
            gFieldSettings.debugSettings.fitRegions = args.debugArguments.fitRegions;

            PGLKDTreeArguments *spatialSturctureArguments = (PGLKDTreeArguments *)args.spatialSturctureArguments;
            gFieldSettings.settings.useStochasticNNLookUp = spatialSturctureArguments->knnLookup;
            gFieldSettings.settings.useISNNLookUp = spatialSturctureArguments->isKnnLookup;
            gFieldSettings.settings.spatialSubdivBuilderSettings.minSamples = spatialSturctureArguments->minSamples;
            gFieldSettings.settings.spatialSubdivBuilderSettings.maxSamples = spatialSturctureArguments->maxSamples;
            gFieldSettings.settings.spatialSubdivBuilderSettings.maxDepth = spatialSturctureArguments->maxDepth;
            delete spatialSturctureArguments;

            PGLVMMFactoryArguments *directionalDistributionArguments = (PGLVMMFactoryArguments *)args.directionalDistributionArguments;

            gFieldSettings.distributionFactorySettings.weightedEMCfg.initK = directionalDistributionArguments->initK;
            gFieldSettings.distributionFactorySettings.weightedEMCfg.initKappa = directionalDistributionArguments->initKappa;
            gFieldSettings.distributionFactorySettings.weightedEMCfg.maxK = directionalDistributionArguments->maxK;
            gFieldSettings.distributionFactorySettings.weightedEMCfg.maxEMIterrations = directionalDistributionArguments->maxEMIterrations;

            gFieldSettings.distributionFactorySettings.weightedEMCfg.maxKappa = directionalDistributionArguments->maxKappa;
            gFieldSettings.distributionFactorySettings.weightedEMCfg.maxMeanCosine =
                openpgl::KappaToMeanCosine<float>(gFieldSettings.distributionFactorySettings.weightedEMCfg.maxKappa);
            gFieldSettings.distributionFactorySettings.weightedEMCfg.convergenceThreshold = directionalDistributionArguments->convergenceThreshold;
            gFieldSettings.distributionFactorySettings.weightedEMCfg.weightPrior = directionalDistributionArguments->weightPrior;
            gFieldSettings.distributionFactorySettings.weightedEMCfg.meanCosinePriorStrength = directionalDistributionArguments->meanCosinePriorStrength;
            gFieldSettings.distributionFactorySettings.weightedEMCfg.meanCosinePrior = directionalDistributionArguments->meanCosinePrior;

            gFieldSettings.distributionFactorySettings.splittingThreshold = directionalDistributionArguments->splittingThreshold;
            gFieldSettings.distributionFactorySettings.mergingThreshold = directionalDistributionArguments->mergingThreshold;

            gFieldSettings.distributionFactorySettings.partialReFit = directionalDistributionArguments->partialReFit;
            gFieldSettings.distributionFactorySettings.maxSplitItr = directionalDistributionArguments->maxSplitItr;

            gFieldSettings.distributionFactorySettings.useSplitAndMerge = directionalDistributionArguments->useSplitAndMerge;
            gFieldSettings.distributionFactorySettings.minSamplesForSplitting = directionalDistributionArguments->minSamplesForSplitting;
            gFieldSettings.distributionFactorySettings.minSamplesForPartialRefitting = directionalDistributionArguments->minSamplesForPartialRefitting;
            gFieldSettings.distributionFactorySettings.minSamplesForMerging = directionalDistributionArguments->minSamplesForMerging;
            delete directionalDistributionArguments;

            gField = new GuidingField(gFieldSettings);
        }
        else if (args.spatialStructureType == PGL_SPATIAL_STRUCTURE_KDTREE && args.directionalDistributionType == PGL_DIRECTIONAL_DISTRIBUTION_VMM)
        {
            using DirectionalDistributionFactory = AdaptiveSplitAndMergeFactory<ParallaxAwareVonMisesFisherMixture<VecSize, 32, false>>;
            using GuidingField = SurfaceVolumeField<VecSize, DirectionalDistributionFactory, KDTreePartitionBuilder,
                                                    VMMSurfaceSamplingDistribution<typename DirectionalDistributionFactory::Distribution, false>,