From 5f0e3e14fbf131c8bcf0ec0cf60ddf05bb7c8294 Mon Sep 17 00:00:00 2001
From: Ethan Peterson <ethan.peterson@mit.edu>
Date: Mon, 31 Oct 2022 12:18:09 -0400
Subject: [PATCH] added default filter shape and mesh filter shape

---
 openmc/filter.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/openmc/filter.py b/openmc/filter.py
index 99b005351..bcd3dbc36 100644
--- a/openmc/filter.py
+++ b/openmc/filter.py
@@ -102,6 +102,8 @@ class Filter(IDManagerMixin, metaclass=FilterMeta):
         Unique identifier for the filter
     num_bins : Integral
         The number of filter bins
+    shape : tuple
+        The shape of the filter
 
     """
 
@@ -205,6 +207,10 @@ class Filter(IDManagerMixin, metaclass=FilterMeta):
     def num_bins(self):
         return len(self.bins)
 
+    @property
+    def shape(self):
+        return (self.num_bins,)
+
     def check_bins(self, bins):
         """Make sure given bins are valid for this filter.
 
@@ -839,6 +845,10 @@ class MeshFilter(Filter):
         else:
             self.bins = list(mesh.indices)
 
+    @property
+    def shape(self):
+        return self.mesh.dimension
+
     @property
     def translation(self):
         return self._translation