From 278524e2c9d424d4e6af5efc59e475fdb30dc7a5 Mon Sep 17 00:00:00 2001 From: Wesley Roozing Date: Fri, 27 Jul 2018 17:07:05 +0200 Subject: [PATCH] Fix pzmap not showing zeroes due to hardcoded facecolors argument being 'none' --- control/pzmap.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/control/pzmap.py b/control/pzmap.py index ee91ec9b9..e6007ed63 100644 --- a/control/pzmap.py +++ b/control/pzmap.py @@ -79,8 +79,8 @@ def pzmap(sys, Plot=True, title='Pole Zero Map'): if len(poles) > 0: plt.scatter(real(poles), imag(poles), s=50, marker='x') if len(zeros) > 0: - plt.scatter(real(zeros), imag(zeros), s=50, marker='o', - facecolors='none') + plt.scatter(real(zeros), imag(zeros), s=50, marker='o') + # Add axes #Somewhat silly workaround plt.axhline(y=0, color='black')