Add caveat

lanl · Sep 19, 2024 · dae6367 · dae6367
1 parent 0557592
commit dae6367
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/scico/linop/xray/_xray.py b/scico/linop/xray/_xray.py
@@ -235,6 +235,9 @@ def _calc_weights(
 class XRayTransform3D(LinearOperator):
     r"""General-purpose, 3D, parallel ray X-ray projector.
 
+    Warning: This class is experimental and may be up to ten times slower
+    than :class:`~scico.linop.astra.XRayTransform3D`.
+
     For each view, the projection geometry is specified by an array
     with shape (2, 4) that specifies a :math:`2 \times 3` projection
     matrix and a :math:`2 \times 1` offset vector. Denoting the matrix