From 560e4228c2edb82ace8c832378ec4792feca795c Mon Sep 17 00:00:00 2001
From: Raphael <raphael.sturgis@lis-lab.fr>
Date: Thu, 9 Dec 2021 15:10:14 +0100
Subject: [PATCH] set to zero negative speeds
---
skais/ais/ais_trajectory.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/skais/ais/ais_trajectory.py b/skais/ais/ais_trajectory.py
index db3e64e..de9b6b0 100644
--- a/skais/ais/ais_trajectory.py
+++ b/skais/ais/ais_trajectory.py
@@ -77,8 +77,8 @@ class AISTrajectory(AISPoints):
kind='nearest', axis=0)(t_interp1d).astype(int)
df = new_df
-
- # self.df = df.dropna()
+ if 'sog' in df.columns:
+ df.loc[df['sog'] < 0, 'sog'] = 0
AISPoints.__init__(self, df)
def sliding_window(self, size=10, offset=1, fields=None):
--
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