Moved some functionality to VTKViewer_Utilities.h

[modules/kernel.git] / src / Plot2d / Plot2d_CurveContainer.h

diff --git a/src/Plot2d/Plot2d_CurveContainer.h b/src/Plot2d/Plot2d_CurveContainer.h
index 7cbf58f856824e186df7423b403b387fec593e68..ff5fdfcd85e0839b513f6130b925dae1cf525b00 100644 (file)
--- a/src/Plot2d/Plot2d_CurveContainer.h
+++ b/src/Plot2d/Plot2d_CurveContainer.h
@@ -23,7 +23,7 @@ public:
   void                removeCurve( const int index, bool alsoDelete = false ) ;
   void                clear( bool alsoDelete = false );
   int                 count();
-  bool                isEmpty();
+  bool                isEmpty() const;
   Plot2d_Curve*       curve( const int index );
 
 private: