[geom] SDF fixes

tum-pbs · Aug 20, 2024 · f82c5e0 · f82c5e0
1 parent 5a37b24
commit f82c5e0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/phi/geom/_sdf.py b/phi/geom/_sdf.py
@@ -24,7 +24,7 @@ def __init__(self, sdf: Callable, out_shape=None, bounds: BaseBox = None, center
         """
         self._sdf = sdf
         if out_shape is not None:
-            self._out_shape = out_shape
+            self._out_shape = out_shape or math.EMPTY_SHAPE
         else:
             dims = channel([bounds, center, bounding_radius])
             assert 'vector' in dims, f"If out_shape is not specified, either bounds, center or bounding_radius must be given."
@@ -114,7 +114,7 @@ def boundary_faces(self) -> Dict[Any, Dict[str, slice]]:
 
     @property
     def face_shape(self) -> Shape:
-        raise NotImplementedError(f"SDF does not support boundaries")
+        return math.EMPTY_SHAPE
 
     @property
     def corners(self) -> Tensor: