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| # Copyright (c) Meta Platforms, Inc. and affiliates. | |
| # All rights reserved. | |
| # | |
| # This source code is licensed under the BSD-style license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| import os | |
| import unittest | |
| from pytorch3d.implicitron.dataset.data_source import ImplicitronDataSource | |
| from pytorch3d.implicitron.tools.config import get_default_args | |
| from pytorch3d.renderer import PerspectiveCameras | |
| from tests.common_testing import TestCaseMixin | |
| # These tests are only run internally, where the data is available. | |
| internal = os.environ.get("FB_TEST", False) | |
| inside_re_worker = os.environ.get("INSIDE_RE_WORKER", False) | |
| skip_tests = not internal or inside_re_worker | |
| class TestDataJsonIndex(TestCaseMixin, unittest.TestCase): | |
| def test_loaders(self): | |
| args = get_default_args(ImplicitronDataSource) | |
| args.dataset_map_provider_class_type = "JsonIndexDatasetMapProvider" | |
| dataset_args = args.dataset_map_provider_JsonIndexDatasetMapProvider_args | |
| dataset_args.category = "skateboard" | |
| dataset_args.dataset_root = "manifold://co3d/tree/extracted" | |
| dataset_args.test_restrict_sequence_id = 0 | |
| dataset_args.dataset_JsonIndexDataset_args.limit_sequences_to = 1 | |
| data_source = ImplicitronDataSource(**args) | |
| cameras = data_source.all_train_cameras | |
| self.assertIsInstance(cameras, PerspectiveCameras) | |
| self.assertEqual(len(cameras), 81) | |
| data_sets, data_loaders = data_source.get_datasets_and_dataloaders() | |
| self.assertEqual(len(data_sets.train), 81) | |
| self.assertEqual(len(data_sets.val), 102) | |
| self.assertEqual(len(data_sets.test), 102) | |
| def test_visitor_subsets(self): | |
| args = get_default_args(ImplicitronDataSource) | |
| args.dataset_map_provider_class_type = "JsonIndexDatasetMapProvider" | |
| dataset_args = args.dataset_map_provider_JsonIndexDatasetMapProvider_args | |
| dataset_args.category = "skateboard" | |
| dataset_args.dataset_root = "manifold://co3d/tree/extracted" | |
| dataset_args.test_restrict_sequence_id = 0 | |
| dataset_args.dataset_JsonIndexDataset_args.limit_sequences_to = 1 | |
| data_source = ImplicitronDataSource(**args) | |
| datasets, _ = data_source.get_datasets_and_dataloaders() | |
| dataset = datasets.test | |
| sequences = list(dataset.sequence_names()) | |
| self.assertEqual(len(sequences), 1) | |
| i = 0 | |
| for seq in sequences: | |
| last_ts = float("-Inf") | |
| seq_frames = list(dataset.sequence_frames_in_order(seq)) | |
| self.assertEqual(len(seq_frames), 102) | |
| for ts, _, idx in seq_frames: | |
| self.assertEqual(i, idx) | |
| i += 1 | |
| self.assertGreaterEqual(ts, last_ts) | |
| last_ts = ts | |
| last_ts = float("-Inf") | |
| known_frames = list(dataset.sequence_frames_in_order(seq, "test_known")) | |
| self.assertEqual(len(known_frames), 81) | |
| for ts, _, _ in known_frames: | |
| self.assertGreaterEqual(ts, last_ts) | |
| last_ts = ts | |
| known_indices = list(dataset.sequence_indices_in_order(seq, "test_known")) | |
| self.assertEqual(len(known_indices), 81) | |
| break # testing only the first sequence | |