From 7ad36c2305e8cfa61c554a75889b02953ba39a2e Mon Sep 17 00:00:00 2001
From: Marcel <marcel.paffrath@rub.de>
Date: Wed, 20 Jun 2018 13:55:59 +0200
Subject: [PATCH] [bugfix] take width of mainwindow for min/max plot estimation

before width was only 80px for initial plot
---
 pylot/core/util/widgets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pylot/core/util/widgets.py b/pylot/core/util/widgets.py
index dd9de3c6..af41dcdb 100644
--- a/pylot/core/util/widgets.py
+++ b/pylot/core/util/widgets.py
@@ -659,7 +659,7 @@ class WaveformWidgetPG(QtGui.QWidget):
         create min/max array for fast plotting (approach based on obspy __plot_min_max function)
         :returns data, time_ax
         '''
-        npixel = self.width()
+        npixel = self.orig_parent.width()
         ndata = len(trace.data)
         pts_per_pixel = ndata/npixel
         if pts_per_pixel < 2: