Fix crash when changing to slice selection mode with no data visible

Not all selection related stuff was cleaned when data array changed

Change-Id: Ifb8c960f2bd9b3fb38137ef09296fa098a123c25
Reviewed-by: Mika Salmela <mika.salmela@digia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/datavisualization/engine/surface3drenderer.cpp b/src/datavisualization/engine/surface3drenderer.cpp
index 4a718066..a1dfc7e8 100644
--- a/src/datavisualization/engine/surface3drenderer.cpp
+++ b/src/datavisualization/engine/surface3drenderer.cpp
@@ -256,6 +256,10 @@ void Surface3DRenderer::updateDataModel(QSurfaceDataProxy *dataProxy)
     }
 
     m_selectionActive = false;
+    m_cachedSelectionId = 0;
+    for (int i = 0; i < m_sliceDataArray.size(); i++)
+        delete m_sliceDataArray.at(i);
+    m_sliceDataArray.clear();
 
     Abstract3DRenderer::updateDataModel(dataProxy);
 }