From 2298c82da4ca9b73a48ca940365eea8b893f50a5 Mon Sep 17 00:00:00 2001
From: Ruben Verweij <verweij@physics.leidenuniv.nl>
Date: Thu, 6 Apr 2017 15:35:16 +0200
Subject: [PATCH] Fix the number of frames

---
 nd2reader/raw_metadata.py | 13 +++----------
 nd2reader/reader.py       |  5 +++++
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/nd2reader/raw_metadata.py b/nd2reader/raw_metadata.py
index 2a72663..888bb8a 100644
--- a/nd2reader/raw_metadata.py
+++ b/nd2reader/raw_metadata.py
@@ -33,14 +33,15 @@ class RawMetadata(object):
         if self._metadata_parsed is not None:
             return self._metadata_parsed
 
+        frames_per_channel = self._parse_total_images_per_channel()
         self._metadata_parsed = {
             "height": self._parse_if_not_none(self.image_attributes, self._parse_height),
             "width": self._parse_if_not_none(self.image_attributes, self._parse_width),
             "date": self._parse_if_not_none(self.image_text_info, self._parse_date),
             "fields_of_view": self._parse_fields_of_view(),
-            "frames": self._parse_frames(),
+            "frames": np.arange(0, frames_per_channel, 1),
             "z_levels": self._parse_z_levels(),
-            "total_images_per_channel": self._parse_total_images_per_channel(),
+            "total_images_per_channel": frames_per_channel,
             "channels": self._parse_channels(),
             "pixel_microns": self._parse_if_not_none(self.image_calibration, self._parse_calibration),
         }
@@ -114,14 +115,6 @@ class RawMetadata(object):
         """
         return self._parse_dimension(r""".*?XY\((\d+)\).*?""")
 
-    def _parse_frames(self):
-        """The number of cycles.
-
-        Returns:
-            list: list of all the frame numbers
-        """
-        return self._parse_dimension(r""".*?T'?\((\d+)\).*?""")
-
     def _parse_z_levels(self):
         """The different levels in the Z-plane.
 
diff --git a/nd2reader/reader.py b/nd2reader/reader.py
index 663d389..9d5f343 100644
--- a/nd2reader/reader.py
+++ b/nd2reader/reader.py
@@ -147,6 +147,11 @@ class ND2Reader(FramesSequenceND):
             if loop['stimulation']:
                 continue
 
+            if loop['sampling_interval'] == 0:
+                # This is a loop were no data is acquired
+                current_time += loop['duration']
+                continue
+
             timesteps = np.concatenate(
                 (timesteps, np.arange(current_time, current_time + loop['duration'], loop['sampling_interval'])))
             current_time += loop['duration']