def test_SubsetAtomPairs0(): dataset = fetch_alanine_dipeptide() trajectories = dataset["trajectories"] trj0 = trajectories[0][0] atom_indices, pair_indices = subset_featurizer.get_atompair_indices(trj0) featurizer = msmbuilder.featurizer.AtomPairsFeaturizer(pair_indices) X_all0 = featurizer.transform(trajectories) featurizer = subset_featurizer.SubsetAtomPairs(pair_indices, trj0) featurizer.subset = np.arange(len(pair_indices)) X_all = featurizer.transform(trajectories) any([eq(x, x0) for (x, x0) in zip(X_all, X_all0)])
def test_that_all_featurizers_run(): dataset = fetch_alanine_dipeptide() trajectories = dataset["trajectories"] trj0 = trajectories[0][0] atom_indices, pair_indices = subset_featurizer.get_atompair_indices(trj0) featurizer = msmbuilder.featurizer.AtomPairsFeaturizer(pair_indices) X_all = featurizer.transform(trajectories) featurizer = msmbuilder.featurizer.SuperposeFeaturizer(np.arange(15), trj0) X_all = featurizer.transform(trajectories) featurizer = msmbuilder.featurizer.DihedralFeaturizer(["phi", "psi"]) X_all = featurizer.transform(trajectories) #featurizer = msmbuilder.featurizer.ContactFeaturizer() # Doesn't work on ALA dipeptide #X_all = featurizer.transform(trajectories) featurizer = msmbuilder.featurizer.RMSDFeaturizer(trj0) X_all = featurizer.transform(trajectories) atom_featurizer0 = subset_featurizer.SubsetAtomPairs(pair_indices, trj0, exponent=-1.0) cosphi = subset_featurizer.SubsetCosPhiFeaturizer(trj0) sinphi = subset_featurizer.SubsetSinPhiFeaturizer(trj0) cospsi = subset_featurizer.SubsetCosPsiFeaturizer(trj0) sinpsi = subset_featurizer.SubsetSinPsiFeaturizer(trj0) featurizer = subset_featurizer.SubsetFeatureUnion([("pairs", atom_featurizer0), ("cosphi", cosphi), ("sinphi", sinphi), ("cospsi", cospsi), ("sinpsi", sinpsi)]) featurizer.subsets = [ np.arange(1) for i in range(featurizer.n_featurizers) ] X_all = featurizer.transform(trajectories) eq(X_all[0].shape[1], 1 * featurizer.n_featurizers)