inherit_attrs

WrightTools/data/_data.py

@@ -1891,7 +1891,7 @@ def smooth(self, factors, channel=None, verbose=True) -> "Data":
             print("smoothed data")
 
     def split(
-        self, expression, positions, *, units=None, parent=None, verbose=True
+        self, expression, positions, *, units=None, parent=None, inherit_attrs=False, verbose=True,
     ) -> wt_collection.Collection:
         """
         Split the data object along a given expression, in units.
@@ -1928,7 +1928,7 @@ def split(
         # axis ------------------------------------------------------------------------------------
         old_expr = self.axis_expressions
         old_units = self.units
-        out = wt_collection.Collection(name="split", parent=parent)
+        out = wt_collection.Collection(name=f"{self.name}_split", parent=parent)
         if isinstance(expression, int):
             if units is None:
                 units = self._axes[expression].units
@@ -1962,8 +1962,11 @@ def split(
                 omasks.append(None)
                 cuts.append(None)
         for i in range(len(positions) - 1):
-            out.create_data("split%03i" % i)
-
+            out.create_data(f"{self.name}_{i:0>3}")
+
+        if inherit_attrs:
+            for d in out.values():
+                {d.attrs[k] : self.attrs[k] for k in self.attrs.keys() if k not in d.attrs.keys()}
         for var in self.variables:
             for i, (imask, omask, cut) in enumerate(zip(masks, omasks, cuts)):
                 if omask is None: