From a394fbacd1b4e64f39be82c1cd482bb7053b1834 Mon Sep 17 00:00:00 2001
From: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date: Wed, 14 Jun 2023 12:20:46 +0200
Subject: [PATCH] update of internal cache fixed

---
 playground/charts/StackedChart.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/playground/charts/StackedChart.cpp b/playground/charts/StackedChart.cpp
index 4d7bf219..91aedf7c 100644
--- a/playground/charts/StackedChart.cpp
+++ b/playground/charts/StackedChart.cpp
@@ -79,6 +79,7 @@ void StackedChart::setSeries( const QVector< ChartSample >& samples )
     {
         // caching the cumulated values
 
+        m_data->cumulatedValues.clear();
         m_data->cumulatedValues.reserve( samples.size() );
 
         qreal total = 0.0;