convert to DOFDesc

illinois-ceesd · May 16, 2023 · cc7dfc5 · cc7dfc5
1 parent 018ff2f
commit cc7dfc5
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/mirgecom/utils.py b/mirgecom/utils.py
@@ -135,8 +135,11 @@ def normalize_boundaries(boundaries):
 
 def project_from_base(dcoll, tgt_dd, field):
     """Project *field* from *DISCR_TAG_BASE* to the same discr. as *tgt_dd*."""
-    from grudge.dof_desc import DISCR_TAG_BASE
+    from grudge.dof_desc import DISCR_TAG_BASE, as_dofdesc
     from grudge.op import project
+
+    tgt_dd = as_dofdesc(tgt_dd)
+
     if tgt_dd.discretization_tag is not DISCR_TAG_BASE:
         tgt_dd_base = tgt_dd.with_discr_tag(DISCR_TAG_BASE)
         return project(dcoll, tgt_dd_base, tgt_dd, field)