From d1cb6fe41f9d09bb2e641923550b2a7f18730404 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludger=20K=C3=BCperkoch?= <kueperkoch@bestec-for-nature.com>
Date: Wed, 26 Apr 2017 15:59:29 +0200
Subject: [PATCH] Detrend of waveforms for overview plot.

---
 pylot/core/util/widgets.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pylot/core/util/widgets.py b/pylot/core/util/widgets.py
index 8ad102df..028d70bc 100644
--- a/pylot/core/util/widgets.py
+++ b/pylot/core/util/widgets.py
@@ -446,6 +446,7 @@ class WaveformWidget(FigureCanvas):
             stime = trace.stats.starttime - wfstart
             time_ax = prepTimeAxis(stime, trace)
             if not scaleddata:
+                trace.detrend('constant')
                 trace.normalize(np.max(np.abs(trace.data)) * 2)
             self.getAxes().plot(time_ax, trace.data + n, 'k')
             if noiselevel is not None: