fixed index type issue

meteor/rsmap.py

@@ -36,11 +36,17 @@ def _assert_is_map(obj: Any, *, require_uncertainties: bool) -> None:
 def extend_resolution(dataset: Map, *, extend_by: float, anomalous: bool = False) -> rs.DataSet:
     # TODO: clean this up and unit test, should probably also work for DataSets (!)
     MINIMUM_POSSIBLE_RESOLUTION = 0.1
+
     _, old_dmin = dataset.resolution_limits
     new_dmin = max(old_dmin - extend_by, MINIMUM_POSSIBLE_RESOLUTION)
     new_hkls = generate_reciprocal_asu(dataset.cell, dataset.spacegroup, new_dmin, anomalous=anomalous)
-    new_hkls = pd.MultiIndex.from_arrays(new_hkls, names=("H", "K", "L"))
-    return dataset.reindex(dataset.index.union(new_hkls)).fillna(0)
+    new_hkls = pd.MultiIndex.from_arrays(new_hkls.T, names=("H", "K", "L"))
+
+    extended_hkls = dataset.index.union(new_hkls)
+    extended = dataset.copy().reindex(extended_hkls).fillna(0)
+    extended.infer_mtz_dtypes()
+
+    return extended
 
 
 class Map(rs.DataSet):

meteor/tv.py

@@ -107,7 +107,7 @@ def tv_denoise_difference_map(
     *,
     full_output: bool = False,
     weights_to_scan: Sequence[float] | np.ndarray | None = None,
-    extend_resolution_by: float = 1.0,
+    extend_resolution_by: float = 0.5,
 ) -> Map | tuple[Map, TvDenoiseResult]:
     """Single-pass TV denoising of a difference map.