fix(itool): ensure DataArray is readable on load

kmnhan · May 3, 2024 · 5a0ff00 · 5a0ff00
1 parent 23c3520
commit 5a0ff00
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/erlab/interactive/imagetool/core.py b/src/erlab/interactive/imagetool/core.py
@@ -650,13 +650,13 @@ def set_data(
 
         if not isinstance(data, xr.DataArray):
             if isinstance(data, xr.Dataset):
-                try:
-                    data = data.spectrum
-                except AttributeError:
-                    data = data[next(iter(data.data_vars.keys()))]
+                data = data[next(iter(data.data_vars.keys()))]
             else:
                 data = xr.DataArray(np.asarray(data))
 
+        if not data.data.flags["WRITEABLE"]:
+            data = data.copy()
+
         if not rad2deg:
             self._data = data
         else: