From 655c354c9fc0dce41c158570ee7f1ec7df337922 Mon Sep 17 00:00:00 2001
From: Stan Seibert <stan@mtrr.org>
Date: Sat, 10 Sep 2011 15:01:35 -0400
Subject: Implement len() for event.Photons class.

---
 event.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'event.py')

diff --git a/event.py b/event.py
index ed64b63..f611edb 100644
--- a/event.py
+++ b/event.py
@@ -42,6 +42,9 @@ class Photons(object):
         flags = np.concatenate((self.flags, other.flags))
         return Photons(pos, dir, pol, wavelengths, t, last_hit_triangles, flags)
 
+    def __len__(self):
+        return len(self.pos)
+
 class Channels(object):
     def __init__(self, hit, t, q, flags=None):
         self.hit = hit
-- 
cgit