From 699bec83ba50f7cc56292956f34e195d43444cd4 Mon Sep 17 00:00:00 2001
From: "giacomo.strangolino" <giacomo.strangolino@elettra.eu>
Date: Wed, 7 Oct 2020 17:13:18 +0200
Subject: [PATCH] fixes issues #4

---
 src/i0mmtopobarchart.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/i0mmtopobarchart.cpp b/src/i0mmtopobarchart.cpp
index d06545c..6e3e698 100644
--- a/src/i0mmtopobarchart.cpp
+++ b/src/i0mmtopobarchart.cpp
@@ -151,7 +151,8 @@ void I0MMTopoBarChart::enableLogScale(bool en) {
 
 void I0MMTopoBarChart::setLambdas(const QVector<int> lidxs) {
     m_update_bars(lidxs);
-    update(m_cur_data);
+    if(m_cur_data.size() > 0)
+        update(m_cur_data);
 }
 
 void I0MMTopoBarChart::m_onBarsModeChanged(int mode) {
-- 
GitLab