fix(polyface): Ensuring floor of Polyface3D.from_box() points down

ladybug-tools · Jul 24, 2019 · b147d82 · b147d82
1 parent 9f58472
commit b147d82
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/ladybug_geometry/geometry3d/polyface.py b/ladybug_geometry/geometry3d/polyface.py
@@ -202,11 +202,10 @@ def from_box(cls, width, depth, height, base_plane=None):
         polyface = cls(_verts, _face_indices, {'edge_indices': _edge_indices,
                                                'edge_types': [1] * 12})
         verts = tuple(tuple(_verts[i] for i in face[0]) for face in _face_indices)
-        top_plane = base_plane.move(_h_vec)
-        bottom = (Face3D(verts[0], plane=base_plane, enforce_right_hand=False),)
+        bottom = Face3D(verts[0], plane=base_plane.flip(), enforce_right_hand=False)
         middle = tuple(Face3D(v, enforce_right_hand=False) for v in verts[1:5])
-        top = (Face3D(verts[5], plane=top_plane, enforce_right_hand=False),)
-        polyface._faces = bottom + middle + top
+        top = Face3D(verts[5], plane=base_plane.move(_h_vec), enforce_right_hand=False)
+        polyface._faces = (bottom,) + middle + (top,)
         polyface._volume = width * depth * height
         return polyface