Make a deep copy of PatchCollections

The shallow copy previously used (`copy.copy()`) was allowing modifications of attributes to persist across different plots, with unintended consequences.
MPAS-Dev · Jan 2, 2025 · be0e125 · be0e125
1 parent e4d53af
commit be0e125
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/compass/ocean/tests/isomip_plus/viz/plot.py b/compass/ocean/tests/isomip_plus/viz/plot.py
@@ -794,10 +794,10 @@ def _plot_horiz_field(self, field, title, outFileName, oceanDomain=True,
             return
 
         if oceanDomain:
-            localPatches = copy.copy(self.oceanPatches)
+            localPatches = copy.deepcopy(self.oceanPatches)
             localPatches.set_array(field[self.oceanMask])
         else:
-            localPatches = copy.copy(self.cavityPatches)
+            localPatches = copy.deepcopy(self.cavityPatches)
             localPatches.set_array(field[self.cavityMask])
 
         if cmap is not None: