topology.py -> add check for solids to volume calculation, else None

jdegenstein · Jan 19, 2024 · 4758b3b · 4758b3b
1 parent 4e66f03
commit 4758b3b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/build123d/topology.py b/src/build123d/topology.py
@@ -2242,7 +2242,10 @@ def area(self) -> float:
     def volume(self) -> float:
         """volume - the volume of this Shape"""
         # when density == 1, mass == volume
-        return Shape.compute_mass(self)
+        if self.solids():
+            return Shape.compute_mass(self)
+        else:
+            return None
 
     def _apply_transform(self, transformation: gp_Trsf) -> Self:
         """Private Apply Transform