Strip the slash on fov_name for valid anchors on the triplet (#313)

* strip the slash on the triplet

* remove the copy(). not related to this PR

* test was assuming a forward slash

Author: edyoshikun

tests/data/test_triplet.py

@@ -45,7 +45,7 @@ def test_datamodule_setup_fit(
     assert len(dm.train_dataset) == len_train
     assert len(dm.val_dataset) == len_val
     all_tracks = pd.concat([dm.train_dataset.tracks, dm.val_dataset.tracks])
-    filtered_fov_names = all_tracks["fov_name"].str[1:].unique()
+    filtered_fov_names = all_tracks["fov_name"].unique()
     for fov_name in filtered_fov_names:
         well_name, _ = fov_name.rsplit("/", 1)
         if include_wells is not None:

viscy/data/triplet.py

@@ -180,7 +180,7 @@ def _filter_tracks(self, tracks_tables: list[pd.DataFrame]) -> pd.DataFrame:
         y_exclude, x_exclude = (self.yx_patch_size[0] // 2, self.yx_patch_size[1] // 2)
         for pos, tracks in zip(self.positions, tracks_tables, strict=True):
             tracks["position"] = [pos] * len(tracks)
-            tracks["fov_name"] = pos.zgroup.name
+            tracks["fov_name"] = pos.zgroup.name.strip("/")
             tracks["global_track_id"] = tracks["fov_name"].str.cat(
                 tracks["track_id"].astype(str), sep="_"
             )