From 10d7124204ab880ae2814af644fdc14cfc5bade7 Mon Sep 17 00:00:00 2001
From: Alex Liberzon <alex.liberzon@gmail.com>
Date: Sat, 15 Mar 2014 14:40:33 +0200
Subject: [PATCH] zero length trajectories create errors in post processing.
 set min_traj_len to 2 as default.

---
 flowtracks/io.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/flowtracks/io.py b/flowtracks/io.py
index 94c2719..12dfe98 100644
--- a/flowtracks/io.py
+++ b/flowtracks/io.py
@@ -219,7 +219,7 @@ def trajectories_acc(fname, first=None, last=None):
     return trajects

 def iter_trajectories_ptvis(fname, first=None, last=None, frate=1., xuap=False,
-    traj_min_len=0):
+    traj_min_len = 2):
     """
     Extract all trajectories in a directory of ptv_is files, as generated by
     programs in the 3d-ptv/pyptv family.
@@ -391,7 +391,7 @@ def iter_trajectories_ptvis(fname, first=None, last=None, frate=1., xuap=False,
             yield traj

 def trajectories_ptvis(fname, first=None, last=None, frate=1., xuap=False,
-    traj_min_len=0):
+    traj_min_len=2):
     """
     Extract all trajectories in a directory of ptv_is files, as generated by
     programs in the 3d-ptv/pyptv family.
--
1.8.4.2