comparison layer/SpectrogramLayer.h @ 1242:b10bd0611d16

Fix various "model deleted with no aboutToDelete notification" warnings (and one associated potential memory leak)

 
     typedef std::map<int, Colour3DPlotRenderer *> ViewRendererMap; // key is view id
     mutable ViewRendererMap m_renderers;
     Colour3DPlotRenderer *getRenderer(LayerGeometryProvider *) const;
     void invalidateRenderers();
+
+    void deleteDerivedModels();
     
     void paintWithRenderer(LayerGeometryProvider *v, QPainter &paint, QRect rect) const;
 
     void paintDetailedScale(LayerGeometryProvider *v,
                             QPainter &paint, QRect rect) const;