From 33c41ccb31ef091de9a28653c7d96b1aff68adff Mon Sep 17 00:00:00 2001
From: Yannik Schmidt <yannik.schmidt@thermoscan.de>
Date: Sat, 15 Aug 2020 12:29:31 +0200
Subject: [PATCH] allow negative values for y

---
 plot_graphutils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plot_graphutils.py b/plot_graphutils.py
index cc6a772..e59e21f 100644
--- a/plot_graphutils.py
+++ b/plot_graphutils.py
@@ -17,7 +17,7 @@ def getlimits_y(y):
         if y_min_height != 0 and y_min_height > ymax:
                 ymax = y_min_height
         y_start_val = CFG("yaxis_start_value")
-        if y_start_val < min(y) or CFG("yaxis_force_start_value"):
+        if y_start_val < min(y) or ( CFG("yaxis_force_start_value") and not min(y) < 0):
                 ymin=y_start_val
         else:
                 ymin=min(y)