From 2881b0f3b1fb2296f08252d7faca38be4f1bdeed Mon Sep 17 00:00:00 2001
From: Gregor Lichtner <gregor.lichtner@charite.de>
Date: Wed, 22 May 2019 13:09:18 +0200
Subject: [PATCH] include only valid loops in experiment metadata

---
 nd2reader/common_raw_metadata.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nd2reader/common_raw_metadata.py b/nd2reader/common_raw_metadata.py
index a195563..c4205f6 100644
--- a/nd2reader/common_raw_metadata.py
+++ b/nd2reader/common_raw_metadata.py
@@ -48,6 +48,11 @@ def get_loops_from_data(loop_data):
 
         # take the first dictionary element, it contains all loop data
         loops = loop_data[six.b('pPeriod')][list(loop_data[six.b('pPeriod')].keys())[0]]
+
+        # exclude invalid periods
+        if six.b('pPeriodValid') in loop_data:
+            loops = [loops[i] for i in range(len(loops)) if loop_data[six.b('pPeriodValid')][i] == 1]
+
     return loops